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Coakley-Wyllie

© Copyright 1997, Jim Loy
You may print this and show it to others. But, this article will eventually be part of a book that I am writing. So, please do not distribute it widely.

If you need help reading checkers notation, please print out the numbered board.


Both players missed moves, right at the end. First Coakley missed the draw, then Wyllie missed the win.

Coakley - J. Wyllie
11-15 22-18 (Single Corner) 15-22 25-18 8-11 24-19 11-16 29-25 4-8 27-24 16-20 31-27 10-14 25-22 7-10 30-25 3-7 18-15 9-13 19-16 12-19 23-16 10-19 24-15 8-12 (Here Coakley said that he had Wyllie beaten. He was wrong) 15-11 12-19 11-8 6-10 8-3 2-6 27-24 20-27 32-16 6-9 28-24 7-11 16-7 14-17 21-14 10-17 (White looks lost, as he can't move 25-21) 3-8 17-21 7-3 21-30 8-12 30-23 24-19 23-16 12-19 (with a "man-down draw") 9-14 19-23 14-17 23-26 17-21 26-30 1-6 3-7 5-9 7-2 6-10 2-6 [diagram]

This is a tough position. What would you move? Coakley chose the wrong move: 10-14?(A) 22-17?(B) (a clever draw, but there are two ways to win, in note B) 13-22 6-13 14-18 13-17 22-25 17-22 18-23 draw.

A - 9-14! (10-15 6-10 15-19 22-18 13-17 10-15 19-23 18-14 draws) 6-15 14-18 (looks like a RW) 30-26! 18-25 15-18 draw!

B - 6-1! (6-10! is a similar WW) 14-17 22-18 17-22 1-5 WW. This line looks fairly obvious to me.


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