enter image description here

The above image is clearly not a draw. Why is ChessBase giving this errant line?

After I play 10...Kd6!! Now White is winning. Why is ChessBase giving this error?

  • What is the engine? Is it standard chess or some variant? Maybe you could review some settings... Sep 10, 2018 at 17:34
  • It's Deep Fritz 14 @Daniel Sep 10, 2018 at 17:36

2 Answers 2


Has the position after 10....Kd6 occurred earlier in this game? If yes, the engine thinks it's a repetition and shows "0.00".

More information on the repetition issue can be found on this thread on TalkChess, a forum dedicated to computer chess.

  • 1
    Maybe, but the line finishes after f7. Furthermore, OP wrote that he did play ...Kd6 himself on the board in the question. If ...Kd6 was a repetition, OP should have notified by the program.
    – SmallChess
    Sep 11, 2018 at 5:42
  • 3
    The fact that the engine suddenly says that white is winning once 10....Kd6 is played, is a strong indication that it's a classical repetition issue. 10....Kd6 could be the second occurence only. In such a case, as far as I know, it doesn't matter if the line itself is winning or not.
    – Maxwell86
    Sep 11, 2018 at 7:34
  • 1
    I'm not saying you're wrong, you could be right! However, the app should have shown a three repetition message if 10...Kd6 was indeed the drawing move. I don't know! We're both guessing!!
    – SmallChess
    Sep 11, 2018 at 9:38
  • I agree, it's hard to tell!
    – Maxwell86
    Sep 11, 2018 at 9:42
  • @Smallchess it normally does notify me. There is not enough information to answer the question: I should have provided the notation. Sep 11, 2018 at 15:04

This is a bug. The position should be simple enough for the engine to work out a promotion. You should report the incident to ChessBase.

  • I don't think that does anything; I feel they overlook all of these bug reports. I was hoping I would get more publicity here. Sep 11, 2018 at 15:05

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