Not a mistake as such, but for puzzle 1167 it opens with a forced capture after which the opponent has a choice of captures, one of which results in a winning position. In order to get a winning shot …

@Kirill_3 I dont know if studies allow for move order variations, but the move 29-23 can be played at several moments in the shot, but only the last moment is accepted.

For puzzle 1129 the moves 40-34 and 22-28 can be reversed, but this isnt accepted.

https://lidraughts.org/aZrqaIDh/black#125 In this game after white's 63'rd move the engine is telling me there is a win in 4 moves. However, after playing the suggested move, 42-48, the evaluation c…

puzzle 1548: 23-28 is also winning a piece

I can beat scan at level 8 without much issue for puzzle 1521. How is black supposed to make a draw there?

Puzzle 1366: after 38-32 the moves 35-30 and 26-21 can be played in either order, but only 35-30 first is accepted.

Puzzle 1150: 28-22 and 22-17 is also winning, although not with a direct shot. Scan gives it a +3.5 for white with depth 35.

for puzzle 834, 12-17 and 24-29 is also winning

Puzzle 471: 12-17 instead of 21-26 as a waiting move is also winning.