Puzzle 6594: 24-30 is winning.

Puzzle 1888: 22-27 16x27 19-23 17x30 is winning.

Puzzle 1823: 40-44 42-47 is winning.

Puzzle 794: 22x33, and after combination those moves are also winning - 36-31, 48-43, 35-30.

Puzzle 524: 40-35 is winning.

Puzzle 497: 27-22 is winning.

Puzzle 23: 37-31 39-33 48-43 is winning.

@roepstoep this should be fixed immediately

Probably it's using resources from your phone, and on a computer it works only in cloud.

Puzzle 4958: 35-44 1-6 12-1 is winning.