Chess engine: Caissa 1.21.7

Another version of a very powerful chess engine has appeared, which wants to beat Stockfish. We are very happy about this - we will do the first tests of this version of the engine for you soon.

Caissa - UCI chess engine,  Author: Michał Witanowski

Rating Chess Engines Diary CEDR=3706

v.1.21.7:

Update 2-ply-back continuation history

Elo   | 0.72 +- 0.62 (95%)

SPRT  | 10.0+0.10s Threads=1 Hash=16MB

LLR   | 2.11 (-2.94, 2.94) [0.00, 2.00]

Games | N: 332766 W: 80290 L: 79598 D: 172878

Penta | [1333, 39748, 83523, 40452, 1327]

Bench 7141438

Caissa 1.21 - results:

Alexandria 7.1.0	72/136	+8	136 Games
Starzix 6.0	67.5/104	+31	104 Games
RubiChess 20240817	57.5/96	+19	96 Games
Berserk 20241119	44/85	+3	85 Games
Motor 0.8.0 JA	46.5/79	+14	79 Games
PlentyChess 3.0.1	44.5/77	+12	77 Games
Dragon 3.3	39.5/75	+4	75 Games
Viridithas 15.0.0	40.5/71	+10	71 Games
Integral v5	32.5/55	+10	55 Games
Stormphrax 6.0.0	32/55	+9	55 Games
Integral v6	31/54	+8	54 Games
Berserk 13	27.5/53	+2	53 Games
Velvet 8.1.1 JA	33.5/49	+18	49 Games
PlentyChess 4.0.1	22/47	-3	47 Games
Alexandria 7.0.14 JA	26.5/45	+8	45 Games
Lizard 11.2.0	21/40	+2	40 Games
Lizard 11.1.0	23.5/39	+8	39 Games
Stockfish 17	17.5/36	-1	36 Games
PlentyChess 3.0.0	18.5/34	+3	34 Games
Devre 6.39 JA	20/33	+7	33 Games
Horsie 1.0.6 JA	18/33	+3	33 Games
Obsidian 14.01 SE	16.5/32	+1	32 Games
Uralochka 3.42 dev7	18/28	+8	28 Games
Clover 8.1 JA	16/27	+5	27 Games
Berserk 20250203	14/27	+1	27 Games
Yuliana 5.50	12/27	-3	27 Games
Integral 7.0.0 JA	14.5/25	+4	25 Games
Obsidian 15.04 SE	12.5/25	+0	25 Games
Big Yuli GM 221024	12/25	-1	25 Games
Velvet 8.1.0	14.5/23	+6	23 Games
Obsidian 14.23 SE	11/22	+0	22 Games
Chess-System-Tal-2	13.5/21	+6	21 Games
Obsidian 14.05 SE	11/21	+1	21 Games
Titan 1.1.0	12/20	+4	20 Games

Caissa 1.21.7 download