diff --git a/UIs/BeetRoundWidgets/CMakeLists.txt b/UIs/BeetRoundWidgets/CMakeLists.txt
index 1e558a0..7cbf417 100644
--- a/UIs/BeetRoundWidgets/CMakeLists.txt
+++ b/UIs/BeetRoundWidgets/CMakeLists.txt
@@ -11,7 +11,7 @@ set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 find_package(QT NAMES Qt6 Qt5 REQUIRED COMPONENTS Widgets LinguistTools)
-find_package(Qt${QT_VERSION_MAJOR} REQUIRED COMPONENTS Widgets LinguistTools)
+find_package(Qt${QT_VERSION_MAJOR} REQUIRED COMPONENTS Widgets LinguistTools Charts)
 
 set(TS_FILES ${TARGET_APP}_en_US.ts)
 
@@ -37,6 +37,9 @@ if(${QT_VERSION_MAJOR} GREATER_EQUAL 6)
         widgets/comboboxdelegate.h widgets/comboboxdelegate.cpp
         widgets/spinboxdelegate.h widgets/spinboxdelegate.cpp
         widgets/biddingroundcontrol.h widgets/biddingroundcontrol.cpp
+        widgets/summarywidget.h widgets/summarywidget.cpp
+        widgets/biddingroundstatuswidget.h widgets/biddingroundstatuswidget.cpp
+        widgets/biddingroundprogresslayout.h widgets/biddingroundprogresslayout.cpp
     )
 # Define target properties for Android with Qt 6 as:
 #    set_property(TARGET ${TARGET_APP} APPEND PROPERTY QT_ANDROID_PACKAGE_SOURCE_DIR
@@ -63,7 +66,7 @@ endif()
 
 include_directories(${CMAKE_CURRENT_BINARY_DIR})
 
-target_link_libraries(${TARGET_APP} PRIVATE Qt${QT_VERSION_MAJOR}::Widgets)
+target_link_libraries(${TARGET_APP} PRIVATE Qt${QT_VERSION_MAJOR}::Widgets Qt${QT_VERSION_MAJOR}::Charts)
 
 target_include_directories(${TARGET_APP} PRIVATE ${CORE_LIB_DIR}/)
 target_link_libraries(${TARGET_APP} PRIVATE BeetRoundCore)
diff --git a/UIs/BeetRoundWidgets/mainwindow.cpp b/UIs/BeetRoundWidgets/mainwindow.cpp
index 1fb23d4..a042a03 100644
--- a/UIs/BeetRoundWidgets/mainwindow.cpp
+++ b/UIs/BeetRoundWidgets/mainwindow.cpp
@@ -16,10 +16,12 @@
 #include "genericcore.h"
 #include "model/generalsortfiltermodel.h"
 #include "model/metadata.h"
+#include "model/modelsummary.h"
 #include "model/tablemodel.h"
 #include "widgets/biddingroundcontrol.h"
 #include "widgets/comboboxdelegate.h"
 #include "widgets/spinboxdelegate.h"
+#include "widgets/summarywidget.h"
 
 static int intColumnWidth = 30;
 
@@ -349,6 +351,8 @@ void MainWindow::setupModelViews() {
   ui->tableView->setModel((QAbstractItemModel*)m_proxyModel.get());
   ui->tableView->setSortingEnabled(true);
   ui->tableView->setColumnWidth(0, intColumnWidth);
+
+  m_modelSummary = m_core->getModelSummary();
 }
 
 void MainWindow::createActions() {
@@ -554,5 +558,8 @@ void MainWindow::setupEventTab() {
   connect(m_core.get(), &GenericCore::currentBiddingRoundChanged, m_biddingRoundControl.get(),
           &BiddingRoundControl::onCurrentBiddingRoundChanged);
 
+  SummaryWidget* summaryWidget = new SummaryWidget(m_modelSummary, this);
+  containerLayout->addWidget(summaryWidget);
+
   ui->tabWidget->insertTab(0, containerWidget, "Event (&1)");
 }
diff --git a/UIs/BeetRoundWidgets/mainwindow.h b/UIs/BeetRoundWidgets/mainwindow.h
index 75f610d..2d081a7 100644
--- a/UIs/BeetRoundWidgets/mainwindow.h
+++ b/UIs/BeetRoundWidgets/mainwindow.h
@@ -17,6 +17,7 @@ QT_END_NAMESPACE
 class GenericCore;
 class TableModel;
 class GeneralSortFilterModel;
+class ModelSummary;
 class NewItemDialog;
 class EditItemDialog;
 class BiddingRoundControl;
@@ -73,9 +74,12 @@ class MainWindow : public QMainWindow {
 
   unique_ptr<GenericCore> m_core;
   shared_ptr<GeneralSortFilterModel> m_proxyModel;
+  shared_ptr<ModelSummary> m_modelSummary;
+
   QUndoStack* m_modelUndoStack;
   unique_ptr<QUndoView> m_modelUndoView;
   unique_ptr<BiddingRoundControl> m_biddingRoundControl;
+
   /// File actions
   unique_ptr<QAction> m_newFileAct;
   unique_ptr<QAction> m_openAct;
diff --git a/UIs/BeetRoundWidgets/widgets/biddingroundprogresslayout.cpp b/UIs/BeetRoundWidgets/widgets/biddingroundprogresslayout.cpp
new file mode 100644
index 0000000..7dd7c84
--- /dev/null
+++ b/UIs/BeetRoundWidgets/widgets/biddingroundprogresslayout.cpp
@@ -0,0 +1,44 @@
+#include "biddingroundprogresslayout.h"
+
+#include <QLabel>
+#include <QProgressBar>
+
+BiddingRoundProgressLayout::BiddingRoundProgressLayout(const int nCurrentBiddings,
+                                                       const int nExpectedBiddings,
+                                                       QWidget* parent)
+    : QHBoxLayout(parent)
+    , m_nCurrentBiddings(nCurrentBiddings)
+    , m_nExpectedBiddings(nExpectedBiddings) {
+  QLabel* nBidsText = new QLabel("Abgegeben:");
+  addWidget(nBidsText);
+
+  m_nBiddings1Label = new QLabel(QString::number(m_nCurrentBiddings));
+  addWidget(m_nBiddings1Label);
+
+  QLabel* nExpectedText = new QLabel("Erwartet:");
+  addWidget(nExpectedText);
+
+  m_nExpectedBidding1Label = new QLabel(QString::number(m_nExpectedBiddings));
+  addWidget(m_nExpectedBidding1Label);
+
+  m_biddingRound1ProgressBar = new QProgressBar(parent);
+  m_biddingRound1ProgressBar->setMinimum(0);
+  m_biddingRound1ProgressBar->setMaximum(m_nExpectedBiddings);
+  m_biddingRound1ProgressBar->setValue(m_nCurrentBiddings);
+
+  addWidget(m_biddingRound1ProgressBar);
+}
+
+void BiddingRoundProgressLayout::setCurrentBiddings(const int value) {
+  m_nCurrentBiddings           = value;
+  const QString bidCountString = QString::number(value);
+  m_nBiddings1Label->setText(bidCountString);
+  m_biddingRound1ProgressBar->setValue(value);
+}
+
+void BiddingRoundProgressLayout::setExpectedBiddings(const int value) {
+  m_nExpectedBiddings                  = value;
+  const QString expectedBiddingsString = QString::number(value);
+  m_nExpectedBidding1Label->setText(expectedBiddingsString);
+  m_biddingRound1ProgressBar->setMaximum(value);
+}
diff --git a/UIs/BeetRoundWidgets/widgets/biddingroundprogresslayout.h b/UIs/BeetRoundWidgets/widgets/biddingroundprogresslayout.h
new file mode 100644
index 0000000..a25e18d
--- /dev/null
+++ b/UIs/BeetRoundWidgets/widgets/biddingroundprogresslayout.h
@@ -0,0 +1,28 @@
+#ifndef BIDDINGROUNDPROGRESSLAYOUT_H
+#define BIDDINGROUNDPROGRESSLAYOUT_H
+
+#include <QHBoxLayout>
+
+class QLabel;
+class QProgressBar;
+
+class BiddingRoundProgressLayout : public QHBoxLayout {
+  Q_OBJECT
+ public:
+  BiddingRoundProgressLayout(const int nCurrentBiddings,
+                             const int nExpectedBiddings,
+                             QWidget* parent = nullptr);
+
+  void setCurrentBiddings(const int value);
+  void setExpectedBiddings(const int value);
+
+ private:
+  int m_nCurrentBiddings;
+  int m_nExpectedBiddings;
+
+  QLabel* m_nBiddings1Label                = nullptr;
+  QLabel* m_nExpectedBidding1Label         = nullptr;
+  QProgressBar* m_biddingRound1ProgressBar = nullptr;
+};
+
+#endif  // BIDDINGROUNDPROGRESSLAYOUT_H
diff --git a/UIs/BeetRoundWidgets/widgets/biddingroundstatuswidget.cpp b/UIs/BeetRoundWidgets/widgets/biddingroundstatuswidget.cpp
new file mode 100644
index 0000000..31a1538
--- /dev/null
+++ b/UIs/BeetRoundWidgets/widgets/biddingroundstatuswidget.cpp
@@ -0,0 +1,110 @@
+#include "biddingroundstatuswidget.h"
+
+#include <QChartView>
+#include <QLabel>
+#include <QPieSeries>
+#include <QVBoxLayout>
+
+BiddingRoundStatusWidget::BiddingRoundStatusWidget(const QString& title,
+                                                   const int placedBiddings,
+                                                   const int expectedBiddings,
+                                                   const int financialNeed,
+                                                   const int currentSum,
+                                                   const qreal currentAverage,
+                                                   QWidget* parent)
+    : QWidget{parent}
+    , m_title(title)
+    , m_financialNeed(financialNeed)
+    , m_currentSum(currentSum) {
+  m_moneyDonutSeries = new QPieSeries();
+  m_moneyDonutSeries->setHoleSize(0.35);
+  const QString sumText = QString("Summe: %1 €").arg(currentSum);
+  m_sumSlice            = m_moneyDonutSeries->append(sumText, currentSum);
+  m_sumSlice->setLabelVisible();
+
+  const int currentGap  = m_financialNeed - currentSum;
+  const QString gapText = QString("offen: %1 €").arg(currentGap);
+  m_gapSlice            = m_moneyDonutSeries->append(gapText, currentGap);
+  m_gapSlice->setLabelVisible();
+
+  m_chartView = new QChartView();
+  m_chartView->setMinimumWidth(100);
+  // m_chartView->setMaximumWidth(500);
+  m_chartView->setRenderHint(QPainter::Antialiasing);
+  m_chartView->chart()->setTitle(m_title);
+  m_chartView->chart()->addSeries(m_moneyDonutSeries);
+  m_chartView->chart()->legend()->setAlignment(Qt::AlignBottom);
+  m_chartView->chart()->setTheme(QChart::ChartThemeBlueCerulean);
+  m_chartView->chart()->legend()->setFont(QFont("Arial", 8));
+
+  QVBoxLayout* layout = new QVBoxLayout();
+  layout->addWidget(m_chartView, 5);
+  QBoxLayout* progressLayout = createProgressLayout(placedBiddings, expectedBiddings);
+  layout->addLayout(progressLayout);
+
+  /// bidding average
+  QHBoxLayout* averageLayout   = new QHBoxLayout();
+  m_biddingAverageDescription  = new QLabel("Durchschnittsgebot: ");
+  const QString currencyString = createCurrencyString(currentAverage);
+  m_biddingAverageValue        = new QLabel(currencyString);
+  averageLayout->addWidget(m_biddingAverageDescription);
+  averageLayout->addWidget(m_biddingAverageValue);
+  layout->addLayout(averageLayout);
+
+  setLayout(layout);
+}
+
+void BiddingRoundStatusWidget::onExpectedBiddingsChanged(const int nExpected) {
+  m_biddingRoundProgress->setExpectedBiddings(nExpected);
+}
+
+void BiddingRoundStatusWidget::onNPlacedBiddingsChanged(const int nPlaced) {
+  m_biddingRoundProgress->setCurrentBiddings(nPlaced);
+}
+
+void BiddingRoundStatusWidget::onBiddingSumChanged(const int sum) {
+  m_currentSum = sum;
+  updateDonutChart();
+}
+
+void BiddingRoundStatusWidget::onBiddingAverageChanged(const qreal average) {
+  if (m_biddingAverageValue) {
+    m_biddingAverageValue->setText(createCurrencyString(average));
+  }
+}
+
+void BiddingRoundStatusWidget::onFinancialNeedChanged(const int financialNeed) {
+  m_financialNeed = financialNeed;
+  updateDonutChart();
+}
+
+QBoxLayout* BiddingRoundStatusWidget::createProgressLayout(const int nPlaced, const int nExpected) {
+  QVBoxLayout* progressLayout = new QVBoxLayout();
+
+  m_biddingRoundProgress = new BiddingRoundProgressLayout(nPlaced, nExpected);
+  progressLayout->addLayout(m_biddingRoundProgress);
+
+  return progressLayout;
+}
+
+void BiddingRoundStatusWidget::updateDonutChart() {
+  int currentGap;
+  if (m_currentSum < m_financialNeed) {
+    currentGap = m_financialNeed - m_currentSum;
+  } else {
+    currentGap = 0;
+  }
+  const QString sumText = QString("Summe: %1 €").arg(m_currentSum);
+  m_sumSlice->setValue(m_currentSum);
+  m_sumSlice->setLabel(sumText);
+
+  const QString gapText = QString("offen: %1 €").arg(currentGap);
+  m_gapSlice->setValue(currentGap);
+  m_gapSlice->setLabel(gapText);
+  const bool gapLabelVisible = currentGap != 0;
+  m_gapSlice->setLabelVisible(gapLabelVisible);
+}
+
+QString BiddingRoundStatusWidget::createCurrencyString(const qreal value) const {
+  return QString::number(value) + " €";
+}
diff --git a/UIs/BeetRoundWidgets/widgets/biddingroundstatuswidget.h b/UIs/BeetRoundWidgets/widgets/biddingroundstatuswidget.h
new file mode 100644
index 0000000..f1fb835
--- /dev/null
+++ b/UIs/BeetRoundWidgets/widgets/biddingroundstatuswidget.h
@@ -0,0 +1,53 @@
+#ifndef BIDDINGROUNDSTATUSWIDGET_H
+#define BIDDINGROUNDSTATUSWIDGET_H
+
+#include "biddingroundprogresslayout.h"
+
+#include <QWidget>
+
+class QBoxLayout;
+class QChartView;
+class QPieSeries;
+class QPieSlice;
+
+class BiddingRoundStatusWidget : public QWidget {
+  Q_OBJECT
+ public:
+  explicit BiddingRoundStatusWidget(const QString& title,
+                                    const int placedBiddings,
+                                    const int expectedBiddings,
+                                    const int financialNeed,
+                                    const int currentSum,
+                                    const qreal currentAverage,
+                                    QWidget* parent = nullptr);
+
+ public slots:
+  void onExpectedBiddingsChanged(const int nExpected);
+  void onNPlacedBiddingsChanged(const int nPlaced);
+  void onBiddingSumChanged(const int sum);
+  void onBiddingAverageChanged(const qreal average);
+  void onFinancialNeedChanged(const int financialNeed);
+
+ signals:
+
+ private:
+  QString m_title;
+  int m_financialNeed;
+  int m_currentSum;
+
+  QChartView* m_chartView             = nullptr;
+  QPieSeries* m_moneyDonutSeries      = nullptr;
+  QPieSlice* m_sumSlice               = nullptr;
+  QPieSlice* m_gapSlice               = nullptr;
+  QLabel* m_biddingAverageDescription = nullptr;
+  QLabel* m_biddingAverageValue       = nullptr;
+
+  BiddingRoundProgressLayout* m_biddingRoundProgress = nullptr;
+
+  QBoxLayout* createProgressLayout(const int nPlaced, const int nExpected);
+  void updateDonutChart();
+
+  QString createCurrencyString(const qreal value) const;
+};
+
+#endif  // BIDDINGROUNDSTATUSWIDGET_H
diff --git a/UIs/BeetRoundWidgets/widgets/summarywidget.cpp b/UIs/BeetRoundWidgets/widgets/summarywidget.cpp
new file mode 100644
index 0000000..129b5be
--- /dev/null
+++ b/UIs/BeetRoundWidgets/widgets/summarywidget.cpp
@@ -0,0 +1,149 @@
+#include "summarywidget.h"
+
+#include "biddingroundstatuswidget.h"
+
+#include <QLabel>
+#include <QProperty>
+#include <QSpinBox>
+#include <QVBoxLayout>
+
+#include <model/modelsummary.h>
+
+SummaryWidget::SummaryWidget(std::shared_ptr<ModelSummary> modelSummary, QWidget* parent)
+    : QWidget{parent}
+    , m_modelSummary(modelSummary) {
+  /// Layouting
+  QVBoxLayout* mainLayout = new QVBoxLayout(this);
+
+  /// monthly need
+  QHBoxLayout* footerLayout  = new QHBoxLayout();
+  QLabel* financialNeedLabel = new QLabel("monatlicher Finanzbedarf:");
+  m_financialNeedBox         = new QSpinBox();
+  m_financialNeedBox->setMaximum(50000);
+  m_financialNeedBox->setValue(m_financialNeed);
+  connect(m_financialNeedBox, &QSpinBox::valueChanged, this,
+          &SummaryWidget::onFinancialNeedChanged);
+
+  footerLayout->addWidget(financialNeedLabel);
+  footerLayout->addWidget(m_financialNeedBox);
+  footerLayout->addStretch(1);
+
+  QBoxLayout* roundsLayout = createBiddingOverviewLayout();
+  mainLayout->addLayout(roundsLayout);
+  mainLayout->addLayout(footerLayout);
+
+  mainLayout->setSpacing(50);
+  setLayout(mainLayout);
+
+  setupConnections();
+}
+
+void SummaryWidget::onFinancialNeedChanged(int newFinancialNeed) {
+  m_biddingStatus1->onFinancialNeedChanged(newFinancialNeed);
+  m_biddingStatus2->onFinancialNeedChanged(newFinancialNeed);
+  m_biddingStatus3->onFinancialNeedChanged(newFinancialNeed);
+}
+
+void SummaryWidget::onNExpectedBiddingChanged(int newNExpected) {
+  m_biddingStatus1->onExpectedBiddingsChanged(newNExpected);
+  m_biddingStatus2->onExpectedBiddingsChanged(newNExpected);
+  m_biddingStatus3->onExpectedBiddingsChanged(newNExpected);
+}
+
+void SummaryWidget::onNPlacedBiddingsChanged(const int roundNumber) {
+  switch (roundNumber) {
+    case 1:
+      m_biddingStatus1->onNPlacedBiddingsChanged(m_modelSummary->nPlacedBiddings1());
+      break;
+    case 2:
+      m_biddingStatus2->onNPlacedBiddingsChanged(m_modelSummary->nPlacedBiddings2());
+      break;
+    case 3:
+      m_biddingStatus3->onNPlacedBiddingsChanged(m_modelSummary->nPlacedBiddings3());
+      break;
+    default:
+      qWarning() << "Unknown round number:" << roundNumber;
+      break;
+  }
+}
+
+void SummaryWidget::onBiddingSumChanged(const int roundNumber) {
+  switch (roundNumber) {
+    case 1:
+      m_biddingStatus1->onBiddingSumChanged(m_modelSummary->biddingSum1());
+      break;
+    case 2:
+      m_biddingStatus2->onBiddingSumChanged(m_modelSummary->biddingSum2());
+      break;
+    case 3:
+      m_biddingStatus3->onBiddingSumChanged(m_modelSummary->biddingSum3());
+      break;
+    default:
+      qWarning() << "Unknown round number:" << roundNumber;
+      break;
+  }
+}
+
+void SummaryWidget::onBiddingAverageChanged(const int roundNumber) {
+  switch (roundNumber) {
+    case 1:
+      m_biddingStatus1->onBiddingAverageChanged(m_modelSummary->biddingAverage1());
+      break;
+    case 2:
+      m_biddingStatus2->onBiddingAverageChanged(m_modelSummary->biddingAverage2());
+      break;
+    case 3:
+      m_biddingStatus3->onBiddingAverageChanged(m_modelSummary->biddingAverage3());
+      break;
+    default:
+      qWarning() << "Unknown round number:" << roundNumber;
+      break;
+  }
+}
+
+QBoxLayout* SummaryWidget::createBiddingOverviewLayout() {
+  QHBoxLayout* layout = new QHBoxLayout();
+
+  const int expectedBiddings = m_modelSummary->nExpectedBiddings();
+
+  /// bidding round 1
+  const int placedBiddings1   = m_modelSummary->nPlacedBiddings1();
+  const int biddingSum1       = m_modelSummary->biddingSum1();
+  const qreal biddingAverage1 = m_modelSummary->biddingAverage1();
+  m_biddingStatus1 =
+      make_unique<BiddingRoundStatusWidget>("Bietrunde 1", placedBiddings1, expectedBiddings,
+                                            m_financialNeed, biddingSum1, biddingAverage1);
+  /// bidding round 2
+  const int placedBiddings2   = m_modelSummary->nPlacedBiddings2();
+  const int biddingSum2       = m_modelSummary->biddingSum2();
+  const qreal biddingAverage2 = m_modelSummary->biddingAverage2();
+  m_biddingStatus2 =
+      make_unique<BiddingRoundStatusWidget>("Bietrunde 2", placedBiddings2, expectedBiddings,
+                                            m_financialNeed, biddingSum2, biddingAverage2);
+  /// bidding round 3
+  const int placedBiddings3   = m_modelSummary->nPlacedBiddings3();
+  const int biddingSum3       = m_modelSummary->biddingSum3();
+  const qreal biddingAverage3 = m_modelSummary->biddingAverage3();
+  m_biddingStatus3 =
+      make_unique<BiddingRoundStatusWidget>("Bietrunde 3", placedBiddings3, expectedBiddings,
+                                            m_financialNeed, biddingSum3, biddingAverage3);
+
+  layout->addWidget(m_biddingStatus1.get());
+  layout->addWidget(m_biddingStatus2.get());
+  layout->addWidget(m_biddingStatus3.get());
+
+  return layout;
+}
+
+void SummaryWidget::setupConnections() {
+  // TODO figure out how to encapsulate each property binding into a dedicated function:
+  //      "bindProperty(&bindable, &signal, &getter, widget)"
+  QObject::connect(m_modelSummary.get(), &ModelSummary::nExpectedBiddingsChanged,
+                   [&]() { onNExpectedBiddingChanged(m_modelSummary->nExpectedBiddings()); });
+  QObject::connect(m_modelSummary.get(), &ModelSummary::nPlacedBiddingsChanged, this,
+                   &SummaryWidget::onNPlacedBiddingsChanged);
+  QObject::connect(m_modelSummary.get(), &ModelSummary::biddingSumChanged, this,
+                   &SummaryWidget::onBiddingSumChanged);
+  QObject::connect(m_modelSummary.get(), &ModelSummary::biddingAverageChanged, this,
+                   &SummaryWidget::onBiddingAverageChanged);
+}
diff --git a/UIs/BeetRoundWidgets/widgets/summarywidget.h b/UIs/BeetRoundWidgets/widgets/summarywidget.h
new file mode 100644
index 0000000..10f7252
--- /dev/null
+++ b/UIs/BeetRoundWidgets/widgets/summarywidget.h
@@ -0,0 +1,45 @@
+#ifndef SUMMARYWIDGET_H
+#define SUMMARYWIDGET_H
+
+#include <QWidget>
+
+class BiddingRoundStatusWidget;
+class ModelSummary;
+class QLabel;
+class QSpinBox;
+class QBoxLayout;
+
+class SummaryWidget : public QWidget {
+  Q_OBJECT
+
+ public:
+  explicit SummaryWidget(std::shared_ptr<ModelSummary> modelSummary, QWidget* parent = nullptr);
+
+ private slots:
+  void onFinancialNeedChanged(int newFinancialNeed);
+  void onNExpectedBiddingChanged(int newNExpected);
+
+  void onNPlacedBiddingsChanged(const int roundNumber);
+  void onBiddingSumChanged(const int roundNumber);
+  void onBiddingAverageChanged(const int roundNumber);
+
+ private:
+  std::shared_ptr<ModelSummary> m_modelSummary;
+
+  std::unique_ptr<BiddingRoundStatusWidget> m_biddingStatus1;
+  std::unique_ptr<BiddingRoundStatusWidget> m_biddingStatus2;
+  std::unique_ptr<BiddingRoundStatusWidget> m_biddingStatus3;
+
+  // TODO read from settings (maybe via model/core; maybe set in constructor)
+  const int m_financialNeed    = 13942;
+  QSpinBox* m_financialNeedBox = nullptr;
+
+  QLabel* m_rowCountValueLabel;
+  QLabel* m_nExpectedBiddingsValueLabel;
+
+  /// functions
+  QBoxLayout* createBiddingOverviewLayout();
+  void setupConnections();
+};
+
+#endif  // SUMMARYWIDGET_H
diff --git a/libs/BeetRoundCore/CMakeLists.txt b/libs/BeetRoundCore/CMakeLists.txt
index fcda6a6..f852dd9 100644
--- a/libs/BeetRoundCore/CMakeLists.txt
+++ b/libs/BeetRoundCore/CMakeLists.txt
@@ -32,6 +32,7 @@ add_library(${TARGET_APP} STATIC
   model/tablemodel.h model/tablemodel.cpp
   model/modelitem.h model/modelitem.cpp
   model/generalsortfiltermodel.h model/generalsortfiltermodel.cpp
+  model/modelsummary.h model/modelsummary.cpp
   model/commands/insertrowscommand.h model/commands/insertrowscommand.cpp
   model/commands/removerowscommand.h model/commands/removerowscommand.cpp
   model/commands/edititemcommand.h model/commands/edititemcommand.cpp
diff --git a/libs/BeetRoundCore/genericcore.cpp b/libs/BeetRoundCore/genericcore.cpp
index 3942fc0..015705a 100644
--- a/libs/BeetRoundCore/genericcore.cpp
+++ b/libs/BeetRoundCore/genericcore.cpp
@@ -17,11 +17,10 @@
 #include "data/settingshandler.h"
 #include "model/generalsortfiltermodel.h"
 #include "model/metadata.h"
+#include "model/modelsummary.h"
 #include "model/tablemodel.h"
 #include "network/servercommunicator.h"
 
-using namespace std;
-
 GenericCore::GenericCore() {
   qDebug() << "Creating core...";
 
@@ -97,6 +96,8 @@ std::shared_ptr<GeneralSortFilterModel> GenericCore::getSortFilterModel() const
   return m_sortFilterModel;
 }
 
+shared_ptr<ModelSummary> GenericCore::getModelSummary() const { return m_modelSummary; }
+
 /**
  * Save items to default file (in standard location).
  * @brief GenericCore::saveItems Saves item fo file.
@@ -160,9 +161,11 @@ void GenericCore::onBiddingsChanged(int round, QList<bidding> biddings) {
 }
 
 void GenericCore::setupModels() {
-  m_mainModel       = make_shared<TableModel>(m_modelUndoStack, this);
+  m_mainModel       = make_shared<TableModel>(m_modelUndoStack);
   m_sortFilterModel = make_shared<GeneralSortFilterModel>(m_mainModel);
 
+  m_modelSummary = make_shared<ModelSummary>(m_mainModel);
+
   /// QAbstractItemModelTester
 #ifdef QT_DEBUG
   m_mainModelTester = make_unique<QAbstractItemModelTester>(
diff --git a/libs/BeetRoundCore/genericcore.h b/libs/BeetRoundCore/genericcore.h
index 9df744b..8751648 100644
--- a/libs/BeetRoundCore/genericcore.h
+++ b/libs/BeetRoundCore/genericcore.h
@@ -14,8 +14,11 @@ class QString;
 
 class TableModel;
 class GeneralSortFilterModel;
+class ModelSummary;
 class ServerCommunicator;
 
+using namespace std;
+
 class GenericCore : public QObject {
   Q_OBJECT
 
@@ -30,8 +33,10 @@ class GenericCore : public QObject {
   void triggerApplicationUpdate(const bool saveChanges);
 
   QUndoStack* getModelUndoStack() const;
-  std::shared_ptr<TableModel> getModel() const;
-  std::shared_ptr<GeneralSortFilterModel> getSortFilterModel() const;
+
+  shared_ptr<TableModel> getModel() const;
+  shared_ptr<GeneralSortFilterModel> getSortFilterModel() const;
+  shared_ptr<ModelSummary> getModelSummary() const;
 
   void saveItems();
   void importCSVFile(const QString& filePath);
@@ -60,10 +65,11 @@ class GenericCore : public QObject {
 
  private:
   QUndoStack* m_modelUndoStack;
-  std::shared_ptr<TableModel> m_mainModel;
-  std::shared_ptr<GeneralSortFilterModel> m_sortFilterModel;
-  std::unique_ptr<QAbstractItemModelTester> m_mainModelTester;
-  std::unique_ptr<QAbstractItemModelTester> m_proxyModelTester;
+  shared_ptr<TableModel> m_mainModel;
+  shared_ptr<GeneralSortFilterModel> m_sortFilterModel;
+  shared_ptr<ModelSummary> m_modelSummary;
+  unique_ptr<QAbstractItemModelTester> m_mainModelTester;
+  unique_ptr<QAbstractItemModelTester> m_proxyModelTester;
 
   void setupModels();
   void initModelData();
@@ -71,7 +77,7 @@ class GenericCore : public QObject {
   QString getMaintenanceToolFilePath() const;
 
   /// Network communication
-  std::unique_ptr<ServerCommunicator> m_serverCommunicator;
+  unique_ptr<ServerCommunicator> m_serverCommunicator;
   void setupServerConfiguration();
   void applyServerConfiguration();
 };
diff --git a/libs/BeetRoundCore/model/modelsummary.cpp b/libs/BeetRoundCore/model/modelsummary.cpp
new file mode 100644
index 0000000..17b471e
--- /dev/null
+++ b/libs/BeetRoundCore/model/modelsummary.cpp
@@ -0,0 +1,44 @@
+#include "modelsummary.h"
+
+#include "tablemodel.h"
+
+ModelSummary::ModelSummary(std::shared_ptr<TableModel> model, QObject* parent)
+    : QObject(parent)
+    , m_model(model) {
+  Q_ASSERT(model);
+  connect(m_model.get(), &TableModel::rowCountChanged, this, &ModelSummary::rowCountChanged);
+  // TODO ? use existing model signals (dataChanged(role),...) instead of special signals
+  connect(m_model.get(), &TableModel::nExpectedBiddingsChanged, this,
+          &ModelSummary::nExpectedBiddingsChanged);
+  connect(m_model.get(), &TableModel::nPlacedBiddingsChanged, this,
+          &ModelSummary::nPlacedBiddingsChanged);
+  connect(m_model.get(), &TableModel::biddingSumChanged, this, &ModelSummary::biddingSumChanged);
+  connect(m_model.get(), &TableModel::biddingAverageChanged, this,
+          &ModelSummary::biddingAverageChanged);
+}
+
+ModelSummary::~ModelSummary() {}
+
+int ModelSummary::rowCount() const {
+  const int nRows = m_model->rowCount();
+  return nRows;
+}
+
+QBindable<int> ModelSummary::bindableRowCount() {
+  m_rowCount = m_model->rowCount();
+  return &m_rowCount;
+}
+
+int ModelSummary::nExpectedBiddings() const { return m_model->nExpectedBiddings(); }
+
+int ModelSummary::nPlacedBiddings1() const { return m_model->nPlacedBiddings1(); }
+int ModelSummary::nPlacedBiddings2() const { return m_model->nPlacedBiddings2(); }
+int ModelSummary::nPlacedBiddings3() const { return m_model->nPlacedBiddings3(); }
+
+int ModelSummary::biddingSum1() const { return m_model->biddingSum1(); }
+int ModelSummary::biddingSum2() const { return m_model->biddingSum2(); }
+int ModelSummary::biddingSum3() const { return m_model->biddingSum3(); }
+
+qreal ModelSummary::biddingAverage1() const { return m_model->biddingAverage1(); }
+qreal ModelSummary::biddingAverage2() const { return m_model->biddingAverage2(); }
+qreal ModelSummary::biddingAverage3() const { return m_model->biddingAverage3(); }
diff --git a/libs/BeetRoundCore/model/modelsummary.h b/libs/BeetRoundCore/model/modelsummary.h
new file mode 100644
index 0000000..cc98771
--- /dev/null
+++ b/libs/BeetRoundCore/model/modelsummary.h
@@ -0,0 +1,49 @@
+#ifndef MODELSUMMARY_H
+#define MODELSUMMARY_H
+
+#include <QObject>
+#include <QProperty>
+
+class TableModel;
+
+using namespace std;
+
+class ModelSummary : public QObject {
+  Q_OBJECT
+
+  Q_PROPERTY(int rowCount READ rowCount NOTIFY rowCountChanged BINDABLE bindableRowCount)
+
+ public:
+  ModelSummary(shared_ptr<TableModel> model, QObject* parent = nullptr);
+  ~ModelSummary();
+
+  int rowCount() const;
+  QBindable<int> bindableRowCount();
+  int nExpectedBiddings() const;
+  int nPlacedBiddings1() const;
+  int nPlacedBiddings2() const;
+  int nPlacedBiddings3() const;
+
+  int biddingSum1() const;
+  int biddingSum2() const;
+  int biddingSum3() const;
+
+  qreal biddingAverage1() const;
+  qreal biddingAverage2() const;
+  qreal biddingAverage3() const;
+
+ signals:
+  void rowCountChanged();
+
+  void nExpectedBiddingsChanged();
+  void nPlacedBiddingsChanged(const int roundNumber);
+  void biddingSumChanged(const int roundNumber);
+  void biddingAverageChanged(const int roundNumber);
+
+ private:
+  shared_ptr<TableModel> m_model;
+
+  Q_OBJECT_BINDABLE_PROPERTY(ModelSummary, int, m_rowCount, &ModelSummary::rowCountChanged);
+};
+
+#endif  // MODELSUMMARY_H
diff --git a/libs/BeetRoundCore/model/tablemodel.cpp b/libs/BeetRoundCore/model/tablemodel.cpp
index 94f5334..8e638e3 100644
--- a/libs/BeetRoundCore/model/tablemodel.cpp
+++ b/libs/BeetRoundCore/model/tablemodel.cpp
@@ -46,7 +46,10 @@ QByteArray TableModel::generateExampleItems() {
 
 TableModel::TableModel(QUndoStack* undoStack, QObject* parent)
     : QAbstractTableModel{parent}
-    , m_undoStack(undoStack) {}
+    , m_undoStack(undoStack) {
+  connect(this, &TableModel::rowsInserted, this, &TableModel::onRowCountChanged);
+  connect(this, &TableModel::rowsRemoved, this, &TableModel::onRowCountChanged);
+}
 
 Qt::ItemFlags TableModel::flags(const QModelIndex& index) const {
   if (!index.isValid()) {
@@ -279,6 +282,77 @@ void TableModel::insertItems(int startPosition,
   m_undoStack->push(insertCommand);
 }
 
+void TableModel::onRowCountChanged(const QModelIndex& parent, int first, int last) {
+  Q_UNUSED(first);
+  Q_UNUSED(last);
+
+  if (parent != QModelIndex()) {
+    return;
+  }
+  emit rowCountChanged();
+  emit nExpectedBiddingsChanged();
+
+  emit nPlacedBiddingsChanged(1);
+  emit nPlacedBiddingsChanged(2);
+  emit nPlacedBiddingsChanged(3);
+
+  emit biddingSumChanged(1);
+  emit biddingSumChanged(2);
+  emit biddingSumChanged(3);
+
+  emit biddingAverageChanged(1);
+  emit biddingAverageChanged(2);
+  emit biddingAverageChanged(3);
+}
+
+int TableModel::nExpectedBiddings() const {
+  int result = 0;
+  for (auto i = m_items.begin(), end = m_items.end(); i != end; ++i) {
+    const QString biddingType = (*i)->data(BiddingTypeRole).toString();
+    if (biddingType.isEmpty()) {
+      continue;
+    }
+    const QString shareType = (*i)->data(ShareTypeRole).toString();
+    if (shareType.isEmpty() || shareType == "erarbeitet") {
+      continue;
+    }
+    const double shareAmount = (*i)->data(ShareAmountRole).toDouble();
+    if (shareAmount == 0.0) {
+      continue;
+    }
+    result++;
+  }
+  return result;
+}
+
+int TableModel::nPlacedBiddings1() const { return nPlacedBiddings(Bidding1Role); }
+int TableModel::nPlacedBiddings2() const { return nPlacedBiddings(Bidding2Role); }
+int TableModel::nPlacedBiddings3() const { return nPlacedBiddings(Bidding3Role); }
+
+int TableModel::biddingSum1() const { return biddingSum(Bidding1Role); }
+int TableModel::biddingSum2() const { return biddingSum(Bidding2Role); }
+int TableModel::biddingSum3() const { return biddingSum(Bidding3Role); }
+
+qreal TableModel::biddingAverage1() const {
+  const UserRoles biddingRole = Bidding1Role;
+  const qreal averageBidding  = averageBiddingAmount(biddingRole);
+  qInfo() << "average calculation (1):" << averageBidding;
+  return averageBidding;
+}
+
+qreal TableModel::biddingAverage2() const {
+  const UserRoles biddingRole = Bidding2Role;
+  const qreal averageBidding  = averageBiddingAmount(biddingRole);
+  qInfo() << "average calculation (2):" << averageBidding;
+  return averageBidding;
+}
+qreal TableModel::biddingAverage3() const {
+  const UserRoles biddingRole = Bidding3Role;
+  const qreal averageBidding  = averageBiddingAmount(biddingRole);
+  qInfo() << "average calculation (3):" << averageBidding;
+  return averageBidding;
+}
+
 void TableModel::execInsertItems(const int firstRow, const QList<ModelItemValues> valueList) {
   const int nRows = valueList.size();
   qDebug() << "Inserting" << nRows << "items...";
@@ -313,6 +387,39 @@ void TableModel::execEditItemData(const int row, const QMap<int, QVariant>& chan
     QList<int> roles             = changedValues.keys();
     roles.insert(0, Qt::DisplayRole);
     emit dataChanged(firstIndex, lastIndex, roles.toVector());
+
+    // NEXT check which roles are changed & trigger only changed properties
+    if (roles.contains(BiddingTypeRole) || roles.contains(ShareAmountRole)) {
+      emit nExpectedBiddingsChanged();
+    }
+    if (roles.contains(ShareAmountRole) || roles.contains(ShareTypeRole)) {
+      emit nPlacedBiddingsChanged(1);
+      emit nPlacedBiddingsChanged(2);
+      emit nPlacedBiddingsChanged(3);
+      emit biddingSumChanged(1);
+      emit biddingSumChanged(2);
+      emit biddingSumChanged(3);
+      emit biddingAverageChanged(1);
+      emit biddingAverageChanged(2);
+      emit biddingAverageChanged(3);
+    } else {
+      /// no changes to share amount or type, but maybe to the biddings:
+      if (roles.contains(Bidding1Role)) {
+        emit nPlacedBiddingsChanged(1);
+        emit biddingSumChanged(1);
+        emit biddingAverageChanged(1);
+      }
+      if (roles.contains(Bidding2Role)) {
+        emit nPlacedBiddingsChanged(2);
+        emit biddingSumChanged(2);
+        emit biddingAverageChanged(2);
+      }
+      if (roles.contains(Bidding3Role)) {
+        emit nPlacedBiddingsChanged(3);
+        emit biddingSumChanged(3);
+        emit biddingAverageChanged(3);
+      }
+    }
   }
 }
 
@@ -408,3 +515,64 @@ bool TableModel::isItemEqualToItemValues(const QModelIndex& itemIndex,
     return true;
   }
 }
+
+int TableModel::nPlacedBiddings(const UserRoles biddingRole) const {
+  int result = 0;
+  for (auto i = m_items.begin(), end = m_items.end(); i != end; ++i) {
+    int localBidding = (*i)->data(biddingRole).toInt();
+    if (localBidding > 0) {
+      result++;
+    }
+  }
+  return result;
+}
+
+int TableModel::biddingSum(const UserRoles biddingRole) const {
+  int result = 0;
+  for (auto i = m_items.begin(), end = m_items.end(); i != end; ++i) {
+    result += (*i)->data(biddingRole).toInt();
+  }
+  return result;
+}
+
+qreal TableModel::averageBiddingAmount(const UserRoles biddingRole) const {
+  qInfo() << "Calculating average bidding for role:" << ROLE_NAMES.value(biddingRole);
+  const qreal localTotalSharesWithBiddings = totalSharesWithBiddings(biddingRole);
+
+  if (localTotalSharesWithBiddings <= 0) {
+    qInfo() << "No biddings found. Aborting calculation...";
+    return 0;
+  }
+
+  const qreal localTotalBiddingAmount = biddingSum(biddingRole);
+  const qreal alternateBiddingAverage = localTotalBiddingAmount / localTotalSharesWithBiddings;
+  qDebug() << "Total bidding amount:" << localTotalBiddingAmount;
+  qDebug() << "Total bidding shares:" << localTotalSharesWithBiddings;
+  return alternateBiddingAverage;
+}
+
+qreal TableModel::totalSharesWithBiddings(const UserRoles biddingRole) const {
+  qreal result = 0;
+  for (auto i = m_items.begin(), end = m_items.end(); i != end; ++i) {
+    const qreal bidding     = (*i)->data(biddingRole).toReal();
+    const qreal shareAmount = (*i)->data(ShareAmountRole).toReal();
+    const QString shareType = (*i)->data(ShareTypeRole).toString();
+    const bool isValid      = bidding != 0 && shareAmount != 0;
+    if (isValid) {
+      // qInfo() << "Including entry in bidding average calculation. MailRole:"
+      //         << (*i)->data(MailRole);
+      // qreal bidForWholeShare = 0;
+      if (shareType == "bezahlt") {
+        result += shareAmount;
+      } else if (shareType == "teils/teils") {
+        result += shareAmount / 2;
+      } else {
+        qInfo() << "Share type not 'bezahlt' nor 'teils/teils'. Will be ignored..";
+        qDebug() << "Share type:" << shareType;
+        continue;
+      }
+    }
+  }
+  qInfo() << "Biddings exist for " << result << "shares!";
+  return result;
+}
diff --git a/libs/BeetRoundCore/model/tablemodel.h b/libs/BeetRoundCore/model/tablemodel.h
index a7d2089..9d7d03d 100644
--- a/libs/BeetRoundCore/model/tablemodel.h
+++ b/libs/BeetRoundCore/model/tablemodel.h
@@ -2,6 +2,7 @@
 #define TABLEMODEL_H
 
 #include <QAbstractTableModel>
+#include "metadata.h"
 
 class QUndoStack;
 class ModelItem;
@@ -55,6 +56,31 @@ class TableModel : public QAbstractTableModel {
                    const QList<ModelItemValues>& itemValuesList,
                    const QModelIndex& parentIndex = QModelIndex());
 
+  /// property functions
+  int nExpectedBiddings() const;
+  int nPlacedBiddings1() const;
+  int nPlacedBiddings2() const;
+  int nPlacedBiddings3() const;
+
+  int biddingSum1() const;
+  int biddingSum2() const;
+  int biddingSum3() const;
+
+  qreal biddingAverage1() const;
+  qreal biddingAverage2() const;
+  qreal biddingAverage3() const;
+
+ signals:
+  void rowCountChanged();
+
+  void nExpectedBiddingsChanged();
+  void nPlacedBiddingsChanged(const int roundNumber);
+  void biddingSumChanged(const int roundNumber);
+  void biddingAverageChanged(const int roundNumber);
+
+ private slots:
+  void onRowCountChanged(const QModelIndex& parent, int first, int last);
+
  private:
   /// *** members ***
   // TODO shared_ptr -> unique_ptr
@@ -74,6 +100,11 @@ class TableModel : public QAbstractTableModel {
   QModelIndex searchItemIndex(const ModelItemValues givenItemValues) const;
   bool isItemEqualToItemValues(const QModelIndex& itemIndex,
                                const ModelItemValues givenItemValues) const;
+
+  int nPlacedBiddings(const UserRoles biddingRole) const;
+  int biddingSum(const UserRoles biddingRole) const;
+  qreal averageBiddingAmount(const UserRoles biddingRole) const;
+  qreal totalSharesWithBiddings(const UserRoles biddingRole) const;
 };
 
 #endif  // TABLEMODEL_H