Puzzle 1726: 3. 43-38 is also winning. It's not quite as good as 44-39, but it makes the final shot even better.

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 …

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

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…

3: 48-43 and 40-34 are also winning

Also winning is 4.49-43! 5.43x34

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

It is also possible to change the move order: 25-20, 34-30, 43-38 etc.

Oi amigos @BumperBalloonCars e @Arkun. Após exaustiva análise no Scan3.0 e KingsRow, pode-se afirmar que realmente a partida está ganha para as pretas. Segue: [Event "Game 1, opening start …

What's the main variant? Black wants to force white to give three pieces to capture the king, but it seems like white may only have to give two, leading to an equal 9x9: after the king shot, white can…