One of the important lessons Nelson reminds us to do is to see what has changed when your opponent makes a move. I neglected to do that in this game when my opponent, playing black, moved his bishop to g5 on move #26. I was so focused on mating him, that I missed that his rook was protecting the mating square after he moved the bishop and he took my queen when I thought I had mate.

I was so disgusted with myself, I almost resigned. Glad I didn’t because I think I still have a chance.

https://www.chess.com/game/daily/918464659

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Chess: Buttoneer vs Pashodwinter

Buttoneer (1369) vs Pashodwinter (1079). Black to move. Game in progress. 35 moves over 1 week. Moving into the endgame — how many moves left? Click to review the game, move by move.