#13 level 6, 87 ply

playstrategy.org/mZAnHBFh44S2

playstrategy.org/forum/weekly-challenges/weekly-challenge-13-crazyhouse-full-pockets?page=1

1

#42 35 ply

playstrategy.org/iWrU8U4H

playstrategy.org/forum/weekly-challenges/weekly-challenge-42-mini-crazy-domination

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#50 31 ply

playstrategy.org/7AsGVIrjX0qR

playstrategy.org/forum/weekly-challenges/weekly-challenge-50-forbidden-dragon?page=2

I am guessing it doesn't matter which side is playing as long as it doesn't touch/cross the 6th rank? Most entries were with Player 2

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Improved #3.
Beat PS-random-mover at Othello with greatest difference : 64. Impossible to do better!
Sorry, I had seen only page 1 for the answers. This had been done before...

playstrategy.org/plJg8k2E3h0d

Il hope it's correct this time. I improved #91.
White had 44 discs after its move 27 but got only 25 at the end.

playstrategy.org/Wl7a5QgN

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#86 287 plies

playstrategy.org/study/YTkgFG31

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#42 20 moves 40 plies

playstrategy.org/4E91KZDU6Qhw

@woll For challenge 42, I have 35 ply solution in post #12

I improved #96 by flipping 12 discs on the last move of the game.
playstrategy.org/YWEpdNGc

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I think I improved #18 also with a difference of 49 and no corner.
playstrategy.org/6h7pmOvz

1