Hi, while playing games on mobile phone you can't see your opponent's draw offer. It happens to me a few times and i only saw that i declined the draw offers after the game when i scrolled down. …

I had the same situation several times. I could jump an opposite piece in two directions but the computer enforced only one. As if it had something to do with the opposite piece's previous move. (E…

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…

Puzzle 1438: 33-29 39-33 30x50 38-32 48-43 also wins After being told 33-29 was not the correct move, I continued looking and found the intended solution, which is very nice. I didn't see that aft…

Puzzle 1002: 46-41 and 39-34 can be swapped, but only one order is accepted.

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 1726: 3. 43-38 is also winning. It's not quite as good as 44-39, but it makes the final shot even better.

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 …

Puzzle 1204: a lot of winning moves are missing from the endgame, such as 8. 2-16 and 8. 2-35 6-11 9. 35-44 11-16 10. 44-39.

Frisian puzzle 65 has another way of winning: 2...26-31 3.41x21 16x7 4.12x1 33-39 5.40x38 3-8