Frisian puzzle #22: Alternative solution 1. .. 18-23 (natural idea which comes into mind because of many holes) 3. 24x4 (maximum capturing rule) 13-19 (free tempo) 3. 4x36 (king's primacy rule) …

There is an alternative solution, although it is a bit longer, but the tactical motif can be spotted easier: 1.48-42 37x48 2.17-12 7x18 3.15-10 5x14 4.44-39 48x34 5.35x4 18-22 6.4x27 36-41 7.27-31 …

Puzzle 1059: 7. 38-33 has been brought up before, but it's still marked as incorrect.

43-38 + 48-42 and 43-38 + 38-32 are also winning

About 1059: yes, lots of moves and final squares for the King are correct. 42-37 and 47-41 are considered correct in the puzzle (as well as the different squares to end with the King). Unfotunately 38…

Puzzle 1059: on the sixth move (with opposite kings) multiple wins are possible apart from the expected 38-32. My 38-33 (29x38 43x32 etc. try) was deemed wrong. I didn't check 42-37 and 47-41, but tho…

Puzzle 1542 can be solved in two ways: the solution as is, but also 1.33-29! (24x33) 2.38x29 (22x24) 3.34-29 (24x33) 4.42-38 (33x42) 5.32-27 (21x41) 6.36x38 (26x37) 7.48-42 (37x48) 8.40-34(48x30) 9.35…

I was testing Scan's endgame technique in International draughts by comparing human approach and AI approach. There is a nice puzzle by Noome and Hortsman (I quote their names by cyrillic retransla…

33-29 is also good 24*33 *33 *24 34-29 42-38 32-27 and so on and it's more beautiful

after 27-21 and 33-39, the move sequence 30-34, 48-43 and 42-38 also lead to a winning position.