Search "user:Berder"

Lately I've been getting the warning, "letting time run out may result in a temporary ban" several times when I was thinking about a move for a while before concluding there was no way to save the pos…

Usually you want to predict Elo from how many inaccuracies/mistakes the player makes. Your model doesn't attempt to do that, does it? For that you need a different dataset - not the graph of eval, but…

Thanks thibault!

Yes - bogus puzzle. Re1+ is actually a mate in 3. Qf3 is also a mate in 3, which the puzzle also rejects. The only move accepted by the puzzle, Qf6, is a mate in 6. Also, the opponent's move g4 is a b…

Oops, I wrote down the moves wrong (however, my point was correct; the puzzle is bogus). The sequence i was talking about was: 28... Qe3+ 29. Kd1 Bg2 30. c5 Qd3+ 31. Kc1 Qxf1+ 32. Qd1 followed by my m…

http://en.lichess.org/training/35232 After Qe3+ Kd1 Bb2 c5 Qd3+ Ke1 Qxb1+ Qd1, black is fully winning, up a piece and with the ability to trade queens and simplify. I played Kf8 to start centralizing …

You're right, this needs to be fixed for all puzzles.

somerandomoves, you're absolutely right, and this has been brought up many times. If tactics trainer allowed as an alternate move all moves over a threshold, such as +2 or +3, it would not be a proble…

Yup.

http://en.lichess.org/training/54840 The solution accepted is 1. axb6 Qd7 2. Rxa8 ... with a +10 eval in local analysis. A better solution is 1. axb6 Qd7 2. bxc7 ... with a +14 eval in local analysis.…