Puzzle 4286, 28-23 is also winning, but is seen as wrong

Mistake in puzzle 2236. 18-22 or 8-12 is followed by the 34-30, 24-30 etc is better. Somehow the solutions wants you to sacrifice 2 pieces in the beginning.

There is another way to win in puzzle 1352 29-24 3-8, 24-20 14x25, 15-10 and you will have a king later in the game

In puzzel 497 there is another combination. 27-22 18x36, 23-19 14x23, 29x9 3x14, 24-20 15x24, 34-30 25x45, 44-40 45x34 The given solution in the puzzle is better, but this combination is also winning