You can check this site: http://poolcheckers.com/e-library/ Many useful books, for instance: http://checkersusa.com/books/Filipino/Kacher_Brazilian_Collection_2021.pdf

Puzzle 1754: 17-22 23-28 is winning a piece

Puzzle 1328: 34-29 23x34 27-22 37-31 47-41 28-23 25x34, at this moment there are many correct solutions, completely winning moves are 7-1, 48-42, 50-44, 50-45, 43-38, 43-39, 35-30, and 7-2 which is co…

Puzzle 1207: 28-22 32-28 35x22 is also winning, white have 1 piece extra

Puzzle 926: 28-22 31-26 26-21 37x26 42x24 is also winning, white have 1 piece extra Puzzle 1137: 37-31 is also winning, just another move order

Puzzle 712: many solutions, 28-22, 28-23 also works

Puzzle 634: 29-33 23-28 12-17, at this moment 13-19 is solution, but 3-9 is also winning, as black will have 1 piece extra after capturing the black king

Puzzle 382: 40-34 48-43 36-31 27-21, both taking on 4 and 24 wins the game, but 24 is wrong answer

Puzzle 376: 25-30 22-27, both kings on 50 and 48 wins the game, but 48 is wrong answer

Puzzle 325: 42-37 46x50 1-6 50-44, 49x40 is marked as a wrong move