There are tactics where the point is to win, and there are tactics where the point is not to lose @playdraughts In puzzle 27 the solution is the only way to draw, everything else loses

https://lidraughts.org/training/russian/27 the final position is not winning, its a draw

Tjalling's Pre-Course in draughts is also available as studies here on lidraughts: https://lidraughts.org/study/search?q=tjalling%27s+pre+course

https://lidraughts.org/training/1189 31-27 is also winning by force. scan gives +4.5 at depth 32, with best response being 20-24

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Puzzel 1177 (https://lidraughts.org/training/1177): 27-21 on the first move seems just as good with the same combination.

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27-21 also good

Hi all, 1427: yes, it also wins after the dry 39-33 move with possibly the same combination (the opponent can choose to play 22-27 instead of 14-20) 632: indeed, 37-31 forcing is also winning. …