diff --git a/TODO b/TODO
index 9374d6088cd975e72490d6b0e5df584266dd93cf..5163084640932a2aa85432c53d5563475be1fb3c 100644
--- a/TODO
+++ b/TODO
@@ -12,10 +12,8 @@
 ============================================================================
 
 ====== BUGS AND ISSUES ===============================================
-
+- melody tip may display result text for every attempt
 - played note in single mode wrongly shows enharmonic
-- key signatures chart is wrongly scaled when Y axis is different
-- Y axis in empty chart has to be adjusted to window height (it has fixed size)
 - remove some console debug messages
 - clean tartini unused code
 
diff --git a/changes b/changes
index ba19ee69ab336141b80d7163467e8fd86e4dee8c..5a2905c3d5622602e95c9ae8d4a1fef1cfd52453 100644
--- a/changes
+++ b/changes
@@ -5,6 +5,7 @@
     BUGS FIXES
      - checking intonation properly respects level accuracy setting
      - fixed determining mistake types for melodies
+     - fixed chart issues when melodies are analyzing
 
 1.1.7 rc2
      - improvements/fixes related to low latency and real-time audio
diff --git a/src/plugins/charts/tchart.cpp b/src/plugins/charts/tchart.cpp
index 0f9330c639d6b357536f735ff1849fcee6961a3a..b532cb0b0d17e249f42a7d8a788b86c31959991f 100644
--- a/src/plugins/charts/tchart.cpp
+++ b/src/plugins/charts/tchart.cpp
@@ -40,7 +40,7 @@ Tchart::Tchart(QWidget* parent) :
     
   yAxis = new TYaxis();
   scene->addItem(yAxis);
-  yAxis->setLength(400);
+  yAxis->setLength(300);
   yAxis->setMaxValue(3);
   yAxis->setPos(45, 0);
   yAxis->setZValue(55);
diff --git a/src/plugins/charts/tlinearchart.cpp b/src/plugins/charts/tlinearchart.cpp
index a7ae0011fb9380fd582f5dbe2f14aaff7b360786..ac12719c2fe4ed8a028d0d2e8c91fd006873e730 100644
--- a/src/plugins/charts/tlinearchart.cpp
+++ b/src/plugins/charts/tlinearchart.cpp
@@ -138,7 +138,7 @@ TlinearChart::TlinearChart(Texam* exam, Tchart::Tsettings& settings, QWidget* pa
       for (int i = 0; i < sortedLists.size(); i++)
         ln += sortedLists[i].size();
       prepareChart(ln);
-      m_mainLine = new TmainLine(sortedLists, this);
+      m_mainLine = new TmainLine(sortedLists, this, settings.yValue);
       
       int goodOffset = 0; // 0 when not unrelated question list inside
       if (hasListUnrelated)
diff --git a/src/plugins/charts/tmainline.cpp b/src/plugins/charts/tmainline.cpp
index cebf39d736f721e99141015c7c1318252759a956..eee9b9fd1ceee8990b00260d8767e995fd3078c3 100644
--- a/src/plugins/charts/tmainline.cpp
+++ b/src/plugins/charts/tmainline.cpp
@@ -30,6 +30,25 @@
 // #include <QDebug>
 
 
+inline qreal TmainLine::yValue(TQAunit* question, TmainLine::EyValue valType) {
+  switch (valType) {
+    case e_playedCount:
+      return m_chart->yAxis->mapValue(question->totalPlayBacks());
+    case e_prepareTime:
+      return m_chart->yAxis->mapValue((double)question->attempt(0)->prepareTime() / 10.0);
+    case e_attemptsCount:
+      return m_chart->yAxis->mapValue(question->attemptsCount());
+    case e_effectiveness:
+      return m_chart->yAxis->mapValue(question->effectiveness());
+    default:
+      return m_chart->yAxis->mapValue(question->getTime()); // default - answer time
+  }
+}
+
+//#################################################################################################
+//###################                PUBLIC            ############################################
+//#################################################################################################
+
 TmainLine::TmainLine(QList<TQAunit*>* answers, Tchart* chart, TmainLine::EyValue yVal) :
   m_answers(answers),
   m_chart(chart)
@@ -42,25 +61,7 @@ TmainLine::TmainLine(QList<TQAunit*>* answers, Tchart* chart, TmainLine::EyValue
     m_points <<  new TquestionPoint(tmpQA);
     m_chart->scene->addItem(m_points[i]);
     m_points[i]->setZValue(50);
-		qreal yy;
-    switch (yVal) {
-      case e_playedCount:
-        yy = m_chart->yAxis->mapValue(m_answers->operator[](i)->totalPlayBacks());
-        break;
-      case e_prepareTime:
-        yy = m_chart->yAxis->mapValue((double)m_answers->operator[](i)->attempt(0)->prepareTime() / 10.0);
-        break;
-      case e_attemptsCount:
-        yy = m_chart->yAxis->mapValue(m_answers->operator[](i)->attemptsCount());
-        break;
-      case e_effectiveness:
-        yy = m_chart->yAxis->mapValue(m_answers->operator[](i)->effectiveness());
-        break;
-      default:
-        yy = m_chart->yAxis->mapValue(m_answers->operator[](i)->getTime()); // default - answer time 
-        break;
-    }
-    m_points[i]->setPos(xPos, yy);
+    m_points[i]->setPos(xPos, yValue(m_answers->operator[](i), yVal));
     if (i) {
       TstaffLineChart *line = new TstaffLineChart();
         m_chart->scene->addItem(line);
@@ -72,7 +73,7 @@ TmainLine::TmainLine(QList<TQAunit*>* answers, Tchart* chart, TmainLine::EyValue
 }
 
 
-TmainLine::TmainLine(QList<TgroupedQAunit>& listOfLists, Tchart* chart) :
+TmainLine::TmainLine(QList< TgroupedQAunit >& listOfLists, Tchart* chart, TmainLine::EyValue yVal) :
   m_chart(chart)
 {
 	int ln = 0, cnt = 0;
@@ -86,7 +87,7 @@ TmainLine::TmainLine(QList<TgroupedQAunit>& listOfLists, Tchart* chart) :
       m_points << new TquestionPoint(listOfLists[i].operator[](j));
       m_chart->scene->addItem(m_points[cnt]);
       m_points[cnt]->setZValue(50);
-      m_points[cnt]->setPos(xPos, m_chart->yAxis->mapValue(listOfLists[i].operator[](j).qaPtr->getTime()));
+      m_points[cnt]->setPos(xPos, yValue(listOfLists[i].operator[](j).qaPtr, yVal));
       if (cnt) {
         TstaffLineChart *line = new TstaffLineChart();
           m_chart->scene->addItem(line);
diff --git a/src/plugins/charts/tmainline.h b/src/plugins/charts/tmainline.h
index dcabf95287e9bc9023b1c4801b19f8355f7d9be9..ba75869883b6b554817ed71d8ae57c91c2ef0a33 100644
--- a/src/plugins/charts/tmainline.h
+++ b/src/plugins/charts/tmainline.h
@@ -54,9 +54,12 @@ public:
 	};
 	
   TmainLine(QList<TQAunit*> *answers, Tchart *chart, EyValue yVal = e_questionTime);
-  TmainLine(QList<TgroupedQAunit> &listOfLists, Tchart *chart);
+  TmainLine(QList<TgroupedQAunit> &listOfLists, Tchart *chart, EyValue yVal = e_questionTime);
   virtual ~TmainLine();
   
+protected:
+      /** Returns answer result (Y value) depend on chart type, mapped to Y axis */
+  inline qreal yValue(TQAunit* question, EyValue valType);
   
 private:
   QList<TQAunit*> *m_answers;