The fingerslip

Every now and then we lose due to a fingerslip. Often this is because we calculate a tactical sequence, and then play the moves out of order. It is even worse when we skip over a move ie having calculated a tactical sequence we start with the second move, forgetting the capture/recapture that kicks the whole thing off.

And it doesn't just happen in over the board chess. I've fallen victim to it in CC, losing the game after dropping a pawn for nothing. However the following game is far worse. Played in a CC Thematic event, both players were still in book when White played 16.Qc2?? which dropped a piece. He simply forgot to play 16.Nxd6+ first!

Simon,Bernard (2354) - Mason,Ian J (2195)
WSTT/6/08/F ICCF, 25.01.2010

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 cxd4 5. Qa4+ Bd7 6. Qxd4 exd5 7. Qxd5 Nc6 8. e3 Nf6 9. Qb3 Bc5 10. Nf3 Qe7 11. Be2 O-O-O 12. Bd2 g5 13. Na4 Bd6 14. Nxg5 Rhg8 15. Nxf7 Be6 16. Qc2 Qxf7 0-1