After testing a bit with Tor, it appears they present either a 'Pay with Debit or Credit Card' or a 'Create an Account' button, depending on the country your IP is from. I'm sorry about that, I wasn't…

If you like tactical games, your best choice would be to play (1) classical positions; as white you can easily reach them by 1. 31-27 or 1. 33-28; (2) dyke positions (ones where white has a checker…

Puzzle 935: both 27-22 and 38-33 also seem to be winning.

Puzzle 663: 38-33 without 37-31 is also winning.

Puzzle 1371: The forcing 1. 31-27 is also winning. Afterwards 22-18 and then several moves to win.

Puzzle 1369: 1. 37-31 is also a good combination.

I often find puzzles where a winning move isn't counted as correct because another move is even better. I get that the exercise is to find the best move, but at the same time it can be quite frustrati…

Puzzle 2155: 1. 38-32 27x47 2. 37-31 47x20 3. 26-21 is also winning.

Puzzle 2062: several winning variants are missed: - 2. 27-21 3. 34-29 - 2. 27-21 3. 37-31 - 3. 27-21

There is an alternative solution, although it is a bit longer, but the tactical motif can be spotted easier: 1.48-42 37x48 2.17-12 7x18 3.15-10 5x14 4.44-39 48x34 5.35x4 18-22 6.4x27 36-41 7.27-31 …