-1

Playing as black against the chess.com computer, the following position was reached and chess.com declared checkmate in its favor. However, I don't see that the black king is in check. So is this a bug?

[FEN "2r2r2/p6k/2b1p1R1/2pp2Qp/P2P4/1PN5/1K6/8 b - - 0 1"]

There was no time limit in effect and this is the final position. There was a message that said "Checkmate" and I couldn't make any more moves. (White's last move was Qg5; it had been on h4.)

  • Can you link the game ? Without the game link it feels unconclusive – Isac Nov 22 '18 at 14:57
  • Or maybe a screenshot of the actual chess.com interface could help as well. – itub Nov 22 '18 at 15:08
  • Does it matter? It was game over. – HelloWorld Nov 22 '18 at 15:11
  • @Isac: It seems chess.com doesn't provide a link; it certainly didn't save the game so I could refer back to it. I believe that's the case whenever you play a game against the computer. – GreenMatt Nov 22 '18 at 17:46
  • @itub: I tried to capture one, but my software wasn't cooperating; thus the PGN diagram. – GreenMatt Nov 22 '18 at 17:47
4

Obviously, this is not a checkmate. Something else must have happened. Here is what I could imagine:

  • Maybe you have lost on time, and not by checkmate
  • Maybe this is the position before White's last move (Qh6# or Qxh5#), which was played a mili-second before the computer claimed victory - so that the mating position wouldn't have been visible on your screen for long enough for you to notice.
  • Maybe (but unlikely) there is some bug in the software. Possibly the software 'played' Qh4xh5# but somehow sent Qh4-g5 to the virtual board for unknown reason.
  • Neither of the first two suggestions apply; I've updated the question. – GreenMatt Nov 22 '18 at 15:00

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