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  DOWNLOAD Booot 6.4 (Apr 5, 2020)  Author: Alex Morozov (Ukraine) Rating elo: 3355 (18 Place CCRL 40/4)  

DOWNLOAD Laser 1.7 (Feb 7, 2019)   Author: Jeffrey An, Michael An Rating Elo: 3365 ELO (CCRL 40/4) Note released:  Regressions vs. 1.6: +114 in 12000 games at 3+0.02 +127 in 12000 games at 15+0.05 Major changes from 1.6: Search and evaluation tweaks Speed improvements and bugfixes, especially on multiple threads Remove EvalCache option  

Author: Jonathan Kreuzer (USA) Rating Elo 2615 ComputerChess DOWNLOAD Slow Blitz Classic 2.2 (Jun 17, 2020) Note  released: Version 2.2 (+100 elo)  - Fix bug where history update would try to decrease the score of wrong or invalid moves. This also increased search depths. (+55 elo)  - More evaluation tuning. Added some terms, removed some terms, and changed some logic. More work than it sounds. Also ran some more FRC training games. (+30 elo)  - syzygy Tablebase support. Is functional for playing games, but needs work to choose most reasonable move.  Various small search changes of which my elo measurement is mostly meaningless (+15 elo)  - Use SEE in for LMR Reduction of quiet piece moves  - History Extension  - Limit IID to PV or eval > alpha  - counter history shallow pruning increase active depth, and check scores are below k*d*d  - Adjust history delta amounts, max amount, and LMR history adjustment threshold  GUI : hig...

Author: Ronald Friederich (Netherlands) Rating Elo: 3318 ComputerChess DOWNLOAD Rofchade 2.3 (Apr 21, 2020) New RofChade released: version 2.3 RofChade but it looks like this version is stronger than 2.202 by 30 to 40 elo. RofChade 2.3 Support for Windows, Linux, Mac and Raspberry Pi. Under the tab “Releases” the version changes are defined.

Author: Milos Tatarevic (USA) Rating Elo 3339 ComputerChess DOWNLOAD Xiphos 0.6 (Nov 6, 2019) Note  released v0.6: tc=15+0.15 Score of Xiphos 0.6 SSE vs Xiphos 0.5 SSE: 5264 - 2346 - 12762  [0.572] 20372 Elo difference: 50.11 +/- 2.89

Author: Norman Schmidt Rating Elo: 3427 computerchess TOP 10 most powerful engines Download Fire 7.1 (May 27, 2018) Support: Windows UCI 32-bit or 64-bit SMP (to 64 threads) configurable hash ponder multiPV analysis mode chess960 (Fischer Random) Syzygy tablebases ajustable contempt setting Note  released: 05/27/2018 significant maintenance release which addresses multiple critical issues: - losses on time in Arena GUI - loss of communication to GUI while pondering - multi-threading crashes with 'unknown exception' error - freezing/unpredictable behavior due to buffer under/over runs It is highly recommended to upgrade any previous Fire 7 binaries to this release

Chess Engine Open Source - Rating elo 3469 Author: Andrew Grant (USA) DOWNLOAD Ethereal 12.25 Note  released: 12.01   Only partial evaluate stacked Passed Pawns 12.02   Always try to prove singularity if we have a candidate move 12.03   Increase LMR by 1 when extending to negate the impact 12.04   Save TB hits into the TT with the actual search depth 12.05   Only apply History Extensions on the PV to fix depth issues 12.06   Restore defaults for ContemptDrawPenalty and ContemptComplexity to 0 12.07 + Fix storing TB wins/losses into the TT ( Terje ) 12.08   Fix an issue causing singular moves to be mistaken as MultiCut moves 12.09   Update the Tuning mechanism to have an output closer to what we want 12.10   Add ARMv7 and ARMv8 build targets to the makefile 12.11   Improve mate detection around aspiration windows and correct a ucicurrmove issue 12.12   Update the Kille...