Peacekeeper - UCI engine
Author: Kyle Zhang Rating CEDR=2750
v.1.30:
This release adds some missed features and improves on some existing features. Features added and improved on include:
Improved TT replacement scheme
Killers
Relative History Heuristic
LMR (Fixed for hopefully the last time)
King relative PST's
This release is 82.7 elo stronger in selfplay, and 71 elo stronger in a gauntlet against other opponents of similar strength.
# PLAYER : RATING ERROR POINTS PLAYED (%)
1 peacekeeper-more : 82.7 20.1 369.5 600 61.6%
2 peacekeeper-less : 0.0 ---- 230.5 600 38.4%
Based on the strength gains, I predict a blitz elo of about 2640, and LTC elo at 2530.
Last but not least, Peacekeeper v1.30 seems to be significantly more aggressive in its gauntlet games, with more sacrifices and short games, possibly due to the King Relative Piece Square Tables.
Individual statistics: Peacekeeper 1.1 - 98 games (+ 18,= 14,- 66), 25.5 %
Critter 1.6a : 4 (+ 0,= 0,- 4), 0.0 %
Fritz 17 : 2 (+ 0,= 0,- 2), 0.0 %
Admete 1.5.0 : 1 (+ 0,= 0,- 1), 0.0 %
OliThink 5.10.1 : 1 (+ 0,= 0,- 1), 0.0 %
Novice 3.1 : 1 (+ 0,= 1,- 0), 50.0 %
Colossus 2022a : 1 (+ 0,= 0,- 1), 0.0 %
Vafra 12.2 Cfish : 2 (+ 0,= 0,- 2), 0.0 %
Caissa 1.4 : 2 (+ 0,= 0,- 2), 0.0 %
Knightx 3.6a : 2 (+ 0,= 1,- 1), 25.0 %
Little Goliath 3.16 : 2 (+ 0,= 0,- 2), 0.0 %
Lc0 0.29.0 : 2 (+ 0,= 0,- 2), 0.0 %
Charisma Diamond : 2 (+ 0,= 0,- 2), 0.0 %
Mittens 0.9 : 2 (+ 0,= 1,- 1), 25.0 %
Uralochka 3.39d : 2 (+ 0,= 0,- 2), 0.0 %
RukChess 3.0.13 NNUE2 : 2 (+ 0,= 0,- 2), 0.0 %
Seawall 20230105 : 2 (+ 0,= 1,- 1), 25.0 %
Rebel 16.1 : 2 (+ 0,= 0,- 2), 0.0 %
Captain 3.1 : 2 (+ 2,= 0,- 0), 100.0 %
Sting Black Hole 3 : 4 (+ 0,= 0,- 4), 0.0 %
Blue Marlin 15.6 : 4 (+ 0,= 0,- 4), 0.0 %
BrainLearn 21.1 : 4 (+ 0,= 0,- 4), 0.0 %
Carp 1.1.0 : 4 (+ 3,= 1,- 0), 87.5 %
Zagreus 1.1.0 : 4 (+ 4,= 0,- 0), 100.0 %
Clovis I : 6 (+ 1,= 2,- 3), 33.3 %
Raven 1.30 : 4 (+ 0,= 3,- 1), 37.5 %
Koivisto 8.17 : 4 (+ 0,= 0,- 4), 0.0 %
Akimbo 0.1.1 : 6 (+ 0,= 3,- 3), 25.0 %
BlackCore 5.0 : 4 (+ 0,= 0,- 4), 0.0 %
Stockfish 20230114 : 2 (+ 0,= 0,- 2), 0.0 %
4ku 1.1 : 2 (+ 0,= 1,- 1), 25.0 %
Polyfish 230115 : 2 (+ 0,= 0,- 2), 0.0 %
Charisma Saphir : 2 (+ 0,= 0,- 2), 0.0 %
ShashChess 27.2 : 2 (+ 0,= 0,- 2), 0.0 %
Frozenight 6.0.0 : 2 (+ 0,= 0,- 2), 0.0 %
Jangine 2023-01-15 : 3 (+ 3,= 0,- 0), 100.0 %
Renegade 0.7.0 : 3 (+ 3,= 0,- 0), 100.0 %
Mess 0.0.2 : 2 (+ 2,= 0,- 0), 100.0 %
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