those accuracy tests are not accurate at all.
sad life for me
in reference to the Q v R endgame https://chess-db.com/public/game.jsp?id=2072823.2090759.63273216.30454
They say u win like this....
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A had a horrible one. One time I was about to win a chess tournament against a 2135 rated player on chess.com (because he blundered badly) and I was just about to place checkmate until my time ran out and I lost. Ugggggggghhhhhhh , just one move away from winning!!!!!!!! Why???