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Thank you for testing!

To be honest, it is much higher than i thought (i was thinking it would be ~2550 at best)
I guess some of the patches have god scaling at LTC

Looks like update to 2.1.0 was barely enough to avoid relegation

Thanks for the great tournament!

As it is white-to-move and white have no good capture it makes sense to stop here. I guess its just you overall search depth is low being the problem here. Weak engines are often try to prolong inevitable losses by giving checks and/or trading pieces (as here) during the search. This would be somewh...

At first iterations if you are using well-known techniques (like implementing hashtable, LMR, null move) a few hundred game match between _dev and master version would be enough to confirm that your code is right and will give you rough estimate of how much elo you gained from it. But later in devel...

Great stuff! Keep up your work! =) Despite the fact of the lower win rate the games actually won by SF eval looks like a positional masterpiece, while lost games are mostly forced mate occurred due to unfortunate openings. I wouldnt say that the winrate is necessarily lower. You need at least couple...

I was leaving town for the half of the week, so decided to host some tourney on my PC. Sadly i was unable to compile / find a net for some engines, but overall i suppose it was interesting. Conditions: TC: 15` + 15`` per move. Hardware: each engine 4CPU (AMD Ryzen 5, 3600X), 2GB hash, 5-man syzygy o...

I tried to implement Aspiration windows in Drofa two times, both were unsuccessful. But on the first try i still had TT bug in the engine that made aspiration search very bad (plagued TT with worthless entries basically). In the second try engine searched much less nodes, but still was ~-7 elo. I su...

I think allowing multiple nullmoves in a row may cause the issue here

It is really strange. I just checked my file with ~40000 Drofa_dev testgames and it has no single loss by illegal move. I activated logging, and the problem isn't actually illegal moves, but no "bestmove" at all. The error message was a bit ambigous. This happens because the time grows short toward...

What does "rules infractions" means exactly? Actually illegal "bestmove", thus losing the game. I dont really understand what you mean by FEN notation The UCI driving GUI or CLI can either use "position startpos moves ..." followed by all the moves in the game, or it can use "position fen ... moves...