Pawnocchio 1.7 - new version chess engine

 

Pawnocchio - UCI chess engine
Author: Jonathan Hallstrom 

v1.7:

STC vs 1.6.1

Elo   | 51.98 +- 7.42 (95%)

Conf  | 8.0+0.08s Threads=1 Hash=16MB

Games | N: 3010 W: 1086 L: 639 D: 1285

Penta | [18, 217, 652, 536, 82]

https://pyronomy.pythonanywhere.com/test/2891/

LTC vs 1.6.1

Elo   | 53.31 +- 5.52 (95%)

Conf  | 40.0+0.40s Threads=1 Hash=128MB

Games | N: 4000 W: 1379 L: 770 D: 1851

Penta | [5, 239, 930, 794, 32]

https://pyronomy.pythonanywhere.com/test/2890/

STC 2v1 Thread odds

Elo   | 91.70 +- 12.07 (95%)

Conf  | 8.0+0.08s Threads=2 Hash=128MB

Games | N: 1004 W: 376 L: 117 D: 511

Penta | [4, 32, 195, 243, 28]

https://pyronomy.pythonanywhere.com/test/2901/

STC 4v1 Thread odds

Elo   | 158.69 +- 11.25 (95%)

Conf  | 8.0+0.08s Threads=4 Hash=128MB

Games | N: 1006 W: 485 L: 55 D: 466

Penta | [0, 6, 113, 332, 52]

https://pyronomy.pythonanywhere.com/test/2903/

New bigger net, SPSA tune, score normalization, and some minor search improvements. Also made an effort to make the engine scale better to more threads.

Pawnocchio 1.6.1 vs other engines:

Whitespine 1.3.0	4/4	+4	4 Games
Obsidian 15.22	1/4	-2	4 Games
Kobra 2.0 JA	2/2	+2	2 Games
Halcyon 1 JA	2/2	+2	2 Games
Spaghet BologNNese 1.1.3 JA	2/2	+2	2 Games
Critter 1.6a	2/2	+2	2 Games
RapCpw	2/2	+2	2 Games
Qapla 0.3.2	2/2	+2	2 Games
Pluto 1.0.0	2/2	+2	2 Games
Beast 3.1.0	2/2	+2	2 Games
Feuerstein 0.4.6.1 JA	1.5/2	+1	2 Games
DarkSeid 5.9	1/2	+0	2 Games
Astra 5.2	1/2	+0	2 Games
Arasan 25.1	1/2	+0	2 Games
Zangdar 4.01	1/2	+0	2 Games
Horsie 1.1.0	1/2	+0	2 Games
Patricia 4.0 JA	1/2	+0	2 Games
Artemis 14TR	0.5/2	-1	2 Games
Cool Iris v19	0.5/2	-1	2 Games
Cool Iris v18	0.5/2	-1	2 Games
Crystal 9	0.5/2	-1	2 Games

Pawnocchio 1.7 download