- 4ku-mini uses source code that is stripped, minified, compressed, and then appended to the launch script. When run, the launch script compiles the source code to a temporary executable and then runs it.
- 4ku is a normal compile of the same source code. It is not stripped so retains support for UCI `setoption`, info strings, and perhaps other quality of life improvements.
4ku and 4ku-mini should be identical in terms of their play, but 4ku's info strings mean it is probably slightly slower and slightly weaker. Despite this, 4ku's ease of use and cross-platform compatibility means it should probably be favoured for use in any circumstance other than being limited to 4,096 bytes.
- 4ku is a normal compile of the same source code. It is not stripped so retains support for UCI `setoption`, info strings, and perhaps other quality of life improvements.
4ku and 4ku-mini should be identical in terms of their play, but 4ku's info strings mean it is probably slightly slower and slightly weaker. Despite this, 4ku's ease of use and cross-platform compatibility means it should probably be favoured for use in any circumstance other than being limited to 4,096 bytes.
Rating CEDR=2876 Author:kz04px
v.3.1:
This version of 4ku is playing in the TCEC S25 Swiss event.
10+0.1s:
Score of 4ku 3.1 vs 4ku 3.0: 833 - 774 - 993 [0.511] 2600
Elo difference: 7.9 +/- 10.5, LOS: 92.9 %, DrawRatio: 38.2 %
100+1s:
Score of 4ku 3.1 vs 4ku 3.0: 2322 - 1611 - 3067 [0.551] 7000
Elo difference: 35.4 +/- 6.1, LOS: 100.0 %, DrawRatio: 43.8 %
Individual statistics: 4ku 3.0 - 229 games (+ 41,= 39,-149), 26.4 %
Critter 1.6a : 10 (+ 0,= 1,- 9), 5.0 %
Hopper 1.7 : 2 (+ 2,= 0,- 0), 100.0 %
Fisherov chess monk 1.2 : 6 (+ 0,= 1,- 5), 8.3 %
Seer 2.6 : 2 (+ 0,= 0,- 2), 0.0 %
CDrill 2000 : 2 (+ 2,= 0,- 0), 100.0 %
MadChess 3.2 beta : 2 (+ 1,= 0,- 1), 50.0 %
Stockfish 15.1 : 8 (+ 0,= 1,- 7), 6.2 %
Axon 0.2 : 1 (+ 1,= 0,- 0), 100.0 %
Raven 1.30 : 2 (+ 2,= 0,- 0), 100.0 %
Protej 0.6.4 : 4 (+ 1,= 1,- 2), 37.5 %
Rebel 16.2 : 4 (+ 0,= 0,- 4), 0.0 %
Wasp 6.50 : 2 (+ 0,= 0,- 2), 0.0 %
Clovis III : 4 (+ 1,= 2,- 1), 50.0 %
Captain 4.0 : 2 (+ 2,= 0,- 0), 100.0 %
Pawn 1.0 : 2 (+ 0,= 0,- 2), 0.0 %
Komodo 14.1 : 2 (+ 0,= 0,- 2), 0.0 %
Arasan 23.5 : 4 (+ 0,= 1,- 3), 12.5 %
Knightx 3.7b : 4 (+ 3,= 1,- 0), 87.5 %
Altair 2.0.0 : 2 (+ 0,= 0,- 2), 0.0 %
Jangine 2023-03-31 : 4 (+ 4,= 0,- 0), 100.0 %
MrBob 1.2.0 : 6 (+ 0,= 0,- 6), 0.0 %
Tenax 0.7.9 : 2 (+ 0,= 0,- 2), 0.0 %
Caissa 1.8 : 10 (+ 0,= 0,- 10), 0.0 %
SFT 26.04.2023 : 2 (+ 0,= 0,- 2), 0.0 %
CatroPOLY 1.7 20230505 : 2 (+ 0,= 0,- 2), 0.0 %
CorChess dev-20230504 : 2 (+ 0,= 0,- 2), 0.0 %
KnightX 3.7b : 2 (+ 2,= 0,- 0), 100.0 %
Polyfish 230426 : 2 (+ 0,= 0,- 2), 0.0 %
Stockfish dev-20230503 Ivec : 6 (+ 0,= 0,- 6), 0.0 %
Stockfish dev-20230503 : 4 (+ 0,= 0,- 4), 0.0 %
Polaris 1.6.1 : 2 (+ 0,= 2,- 0), 50.0 %
Bagatur 3.7c : 6 (+ 0,= 4,- 2), 33.3 %
Viridithas 9.0.0 : 2 (+ 0,= 0,- 2), 0.0 %
Vengeance 2.0.0 : 4 (+ 1,= 1,- 2), 37.5 %
Midnight 6 : 8 (+ 1,= 2,- 5), 25.0 %
Vafra 12.4 Cfish : 4 (+ 0,= 0,- 4), 0.0 %
ShashChess GZ : 4 (+ 0,= 0,- 4), 0.0 %
Ice4 v3 : 10 (+ 3,= 4,- 3), 50.0 %
Kuma 1.1 : 6 (+ 0,= 2,- 4), 16.7 %
Apotheosis 4.0.1 : 8 (+ 3,= 3,- 2), 56.2 %
Fire 5032023 : 4 (+ 0,= 0,- 4), 0.0 %
Ippolit 051323 : 4 (+ 0,= 2,- 2), 25.0 %
Velvet 5.2.0 : 2 (+ 0,= 1,- 1), 25.0 %
Willow 2.8 : 2 (+ 1,= 0,- 1), 50.0 %
Akimbo 0.3.0 : 2 (+ 1,= 1,- 0), 75.0 %
Princhess 0.11.0 : 2 (+ 2,= 0,- 0), 100.0 %
QuintBot 1.2.0 : 2 (+ 2,= 0,- 0), 100.0 %
Axon 0.3 : 2 (+ 2,= 0,- 0), 100.0 %
Drofa 4.0.0 : 2 (+ 0,= 0,- 2), 0.0 %
NIppolit : 4 (+ 1,= 2,- 1), 50.0 %
Fire 4292023 : 2 (+ 0,= 0,- 2), 0.0 %
Flounder 0.5.0.0 : 2 (+ 0,= 1,- 1), 25.0 %
Roc 2.0.0 : 6 (+ 0,= 3,- 3), 25.0 %
Fire NN 5162023 : 2 (+ 0,= 0,- 2), 0.0 %
ShashChess 32 : 2 (+ 0,= 0,- 2), 0.0 %
Polyfish 230510 : 2 (+ 0,= 0,- 2), 0.0 %
Crystal 6 PMT : 2 (+ 0,= 0,- 2), 0.0 %
Fire Zero 5192023 : 2 (+ 0,= 0,- 2), 0.0 %
Stockfish dev-20230520 Ivec : 2 (+ 0,= 0,- 2), 0.0 %
CorChess dev-20230521 : 2 (+ 0,= 0,- 2), 0.0 %
SFT-BIN-CTG : 2 (+ 0,= 0,- 2), 0.0 %
Little Beast 2 sl : 4 (+ 0,= 0,- 4), 0.0 %
Raid v1 : 2 (+ 0,= 0,- 2), 0.0 %
Polaris 1.6.0 : 6 (+ 2,= 1,- 3), 41.7 %
nIPPOLIT : 4 (+ 1,= 2,- 1), 50.0 %
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