Tcheran - UCI chess engine Author: Jonathan Gilchrist
Rating Chess Engines Diary CEDR=2242
If you want to know what the ranking of the Tcheran engine is, we encourage you to visit the website with the monthly updated CEDR ranking - RATING page.
v.5.0:
Unreleased
Evaluate passed pawns (38.30 +- 13.27)
5.0
Tune all evaluation parameters with https://github.com/GediminasMasaitis/texel-tuner (53.17 +- 16.76)
Evaluate piece mobility (41.36 +- 13.82)
Add a texel tuner in-repo and tune, resolving an issue where mobility scores were not computed correctly (28.53 +- 11.44)
Evaluate king safety (24.27 +- 10.43)
Tcheran 4.1 - results:
| Opponent | score | +- | Games |
| Mayhem 8.4 | 3/12 | -6 | 12 Games |
| Puffin 5.0 | 1/12 | -10 | 12 Games |
| Motsog 19 | 8/8 | +8 | 8 Games |
| Dual 0.2.5 | 8/8 | +8 | 8 Games |
| Eubos 3.7 | 7/8 | +6 | 8 Games |
| Chess Jai 1.0 | 5.5/8 | +3 | 8 Games |
| Nectar 0.2.0 | 7/7 | +7 | 7 Games |
| Turbulence v4 0.0.3 | 5.5/6 | +5 | 6 Games |
| KnightX 4.2 | 1/6 | -4 | 6 Games |
| Cfish 12.7 | 0/6 | -6 | 6 Games |
| Cool Iris 13.90 | 0/6 | -6 | 6 Games |
| Nectar 0.1.8 | 4/4 | +4 | 4 Games |
| Dual 0.2.1 | 4/4 | +4 | 4 Games |
| Eubos 3.7 JA | 2/4 | +0 | 4 Games |
| Critter 1.6a | 0.5/4 | -3 | 4 Games |
| Elixir 3.0 JA | 0/4 | -4 | 4 Games |
| Illumina 2.0 | 0/4 | -4 | 4 Games |
| Astra 4.0.1 | 0/4 | -4 | 4 Games |
| Chess-dot cpp 4.10 | 3/3 | +3 | 3 Games |
| LazySMP 4.0 | 2/2 | +2 | 2 Games |
| Kairuku 1.0.1 JA | 2/2 | +2 | 2 Games |
Jim Ablett compiles:
[Event "2024.09.14.NewEnginesTest"]
[Site "Chess Engines Diary"]
[Date "2024.09.17"]
[Round "1.32"]
[White "Tcheran 3.0"]
[Black "StoneChess 2024-09-13"]
[Result "1-0"]
[ECO "B00"]
[PlyCount "72"]
[EventDate "2024.??.??"]
{[%evp
0,72,19,31,42,25,25,33,56,29,66,76,56,24,36,21,11,4,-5,-3,16,4,10,-56,-5,-36,-18,-61,-61,-18,-15,-1,7,3,-6,-10,5,-13,9,3,10,13,10,49,46,43,67,31,56,45,49,47,71,43,90,58,61,73,114,133,184,186,153,187,235,243,654,652,873,1006,2044,2497,29979,29984,29985]}
1. e4 Nc6 2. d4 d5 3. e5 f6 4. Nf3 g5 5. h3 Bg7 6. Bb5 Nh6 7. O-O O-O
8. Re1 g4 9. hxg4 Bxg4 10. Bxc6 bxc6 11. e6 Qd6 12. Qe2 Nf5 13. c3 c5
14. Qc2 Bxf3 15. dxc5 Qc6 16. Qxf5 Be4 17. Qh3 Qxc5 18. Be3 Qb5 19. Nd2
Bg6 20. b3 Qd3 21. Nf3 c6 22. Rac1 Qa6 23. a4 Rfb8 24. Nd4 Rb7 25. b4
Rc8 26. a5 c5 27. bxc5 Rxc5 28. Nb3 Rcb5 29. Nc5 Qxa5 30. Nxb7 Rxb7 31.
Red1 Rc7 32. Qf3 Be4 33. Qxe4 Rxc3 34. Qb1 Rxc1 35. Qb8+ Bf8 36. Rxc1
h5 1-0
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