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ChessVA computer program . Program for playing numerous Chess variants against your PC.[All Comments] [Add Comment or Rating]
B.E. Dolata wrote on Fri, Apr 30, 2021 01:14 PM UTC:

Hi Greg, Thanks for the updated version. I received an exception while playing Tripunch chess

ChessV.Exceptions.ChessVException: An item with the same key has already been added. ---> System.ArgumentException: An item with the same key has already been added.
   at System.ThrowHelper.ThrowArgumentException(ExceptionResource resource)
   at System.Collections.Generic.Dictionary`2.Insert(TKey key, TValue value, Boolean add)
   at ChessV.Game.SearchRoot(Int32 alpha, Int32 beta, Int32 depth, List`1 movesToExclude)
   at ChessV.Game.Think(TimeControl timeControl, Int32 multiPV)
   --- End of inner exception stack trace ---
   at ChessV.Game.Think(TimeControl timeControl, Int32 multiPV)
   at ChessV.InternalEngine.startThinking()
   at ChessV.Match.OnMoveMade(Player sender, List`1 moves)
   at ChessV.MoveMadeEventHandler.Invoke(Player sender, List`1 moves)
   at ChessV.Player.emitMove(List`1 moves)
   at ChessV.GUI.BoardControl.tryMoveToLocation(Location location)
   at ChessV.GUI.BoardControl.BoardControl_MouseUp(Object sender, MouseEventArgs e)
   at System.Windows.Forms.Control.OnMouseUp(MouseEventArgs e)
   at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
   at System.Windows.Forms.Control.WndProc(Message& m)
   at System.Windows.Forms.UserControl.WndProc(Message& m)
   at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

The final board state was

r1h1kh1r/ppp1pppp/3p4/8/4n1c1/3PPN2/PPP1K1PP/RNH5 b ha - 2 10

I had just moved my Nightrider from g1 to f3.