Stockfish breaks Fischerrandom Chess Rating Record!
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PGN OF THE GAME:
[Event “CCRL 40/2 FRC”]
[Site “CCRL”]
[Date “2022.12.06”]
[Round “344.2.306”]
[White “Fat Fritz 2 (in SF)”]
[Black “Stockfish 15.1”]
[Result “0-1”]
[WhiteElo “3787”]
[BlackElo “?”]
[Variant “From Position”]
[TimeControl “-“]
[ECO “?”]
[Opening “?”]
[Termination “Unknown”]
[FEN “rqkbnnbr/pppppppp/8/8/8/8/PPPPPPPP/RQKBNNBR w KQkq – 0 1”]
[SetUp “1”]
[Annotator “lichess.org”]
1. e4 e5 2. c3 c6 3. Ne3 h6 4. Bb3 Bh7 5. f3 Nf6 6. Qc2 d5 7. d3 Ne6 8. O-O-O Bb6 9. Kb1 Bxe3 10. Bxe3 b5 11. g4 a5 12. a3 Qb7 13. h4 Nd7 14. Qd2 O-O 15. Nc2 Rfb8 16. g5 h5 17. Bg1?! { (-1.38 → -2.00) Inaccuracy. Ba2 was best. } (17. Ba2 b4) 17… Rd8 18. Qh2 Nc7 19. Ba2 c5 20. Ne3 c4 21. dxc4 dxe4 22. cxb5 exf3+ 23. Ka1 Nc5 24. c4 Bg6 25. Nd5 Nxd5 26. Bxc5 Nf4 27. b6 Nd3 28. Bf2 Rac8 29. Rd2 Kh7 30. Rhd1 Qe4 31. Qg1 Nxf2 32. Qxf2 Qf4 33. Bb3 a4 34. Bc2?! { (-4.03 → -5.62) Inaccuracy. Bxa4 was best. } (34. Bxa4 Rxd2) 34… Rxd2 35. Rxd2 Qxc4 36. Qxf3 Bxc2 37. Qxh5+ Kg8 38. b7 Rb8 39. Qe2 Qxe2 40. Rxe2 Bb3 41. Rxe5 Rxb7 42. g6 fxg6 43. Re1 Rd7 44. Kb1 Kh7 45. Ka1 Kh6 46. Kb1 g5 47. hxg5+ Kxg5 48. Rg1+ Kf4 49. Rf1+ Ke3?! { (Mate in 14 → -57.33) Lost forced checkmate sequence. Kg3 was best. } (49… Kg3 50. Rc1 Kf2 51. Rh1 g5 52. Rh2+ Kg1 53. Rc2 Kf1 54. Rc1+ Ke2 55. Rc2+ Ke1 56. Rc3) 50. Kc1 g5 51. Re1+ Kf2 52. Rh1 g4 53. Rh2+ Ke3 54. Rh1 g3 55. Kb1 Ke2 56. Rc1 Rd1 57. Rxd1 Kxd1 58. Ka1 g2 59. Kb1 g1=Q 60. Ka1 Kc2# { Black wins. } 0-1
CCRL 40/2 FRC
This is the first FRC testing project, done in 40/2 time control.
Our members are free to choose any engines they like to test, as long as the testing is done under conditions stated below. Please note that our role as a group is not to decide on the originality of engines as we have neither the legal or technical expertise. Viewers of the website must make their own judgements. Inclusion or non-inclusion of an engine should not be interpreted as a statement by us of the status of that engine
CCRL 40/2 FRC Testing Conditions
Time Control: Equivalent to 40 moves in 2 minutes on an Intel i7-4770K. We use Stockfish 10 as a benchmark to determine the equivalent time control for particular machine.
We use repeating time control. It means that, say, in 40/2 the engines have 2 minutes for the first 40 moves. Then they get another 2 minutes for the next 40 moves, and so on.
Endgame tablebases: 4 or 5 piece tablebases.
Pondering: OFF.
Executables: 64-bit where available, otherwise 32-bit.
Tournament format: Any format of tester’s choice: Match, Round-robin, Gauntlet, Swiss, etc.
Hash size: Should be set to the same value of 256 MB for all engines in a match or tourney. There are two exeptions: 1) Engines using 2 CPUs should have double hash size, compared to single-CPU engines in the same tourney. 4-CPU engines should have 4 times amount of hash. 2) Smaller hash size can be used if an engine has problems with particular hash size, or if it does not allow to configure hash size.
EGTB hash: 32 MB.
Tournament Interface: Any. Examples: Winboard, Arena, Shredder, Chessbase, Chess Partner, CuteChess, ChessGUI.
Opening book: Not permitted for FRC.
Engines with their own books should have them disabled (deleted or switched off in parameters). Engines which can’t disable their own book can’t participate in CCRL FRC testing.
Book learning: Off for all engines.
Position learning: Off for all engines.