The Computer Blitz Chess Championship is back!!!
Here is the link of the tournament:
https://www.chess.com/hr/computer-chess-championship
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PGN:
1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Rb1 O-O 9. Be2 Nc6 10. d5 Ne5 11. Nxe5 Bxe5 12. Qd2 e6 13. f4 Bc7 14. O-O exd5 15. exd5 Ba5 16. d6 Rb8 17. Rb5 Bd7 18. f5 Bxb5 19. Bxb5 Qh4 20. Rf4 Qh5 21. Rf3 Qh4 22. d7 a6 23. Bf1 Bc7 24. g3 Qf6 25. Qh6 b5 26. Bh3 Qg7 27. Qxg7+ Kxg7 28. f6+ Kg8 29. Bh6 Rfd8 30. Re3 a5 31. Kf2 b4 32. Ke1 c4 33. cxb4 axb4 34. Kd2 b3 35. axb3 cxb3 36. Kc1 Bb6 37. Re4 Bc7 38. Kb1 Bd6 39. Re2 Bc7 40. Re7 Bd6 41. Re2 Bc7 42. Bg4 Bd6 43. Bd2 Bc7 44. Re7 h6 45. Be2 Bb6 46. Bc4 Bd4 47. Bf4 Ra8 48. Bxf7+ Kh8 49. Bxb3 Bxf6 50. Rf7 g5 51. Bd6 Ra1+ 52. Kc2 Ra7 53. Rxf6 Rdxd7 54. Rxh6+ Kg7 55. Re6 Kh7 56. Bf8 Kh8 57. Rh6+ Rh7 58. Kd2 g4 59. Bc2 Rxh6 60. Bxh6 Ra2 61. Kc3 Ra3+ 62. Kd4 Ra2 63. Bf5 Ra5 64. Ke4 Ra4+ 65. Ke5 Ra5+ 66. Kf6 Ra6+ 67. Be6 Kh7 68. Bf8 Ra8 69. Kf7 Ra7+ 70. Be7 Ra6 71. Bxg4 Ra4 72. Be6 Kh6 73. g4 Rf4+ 74. Bf5 Ra4 75. g5+ Kh5 76. g6 Ra5 77. g7 Rxf5+ 78. Ke6 Kg4 79. g8=Q+ Kf3 80. Kxf5 Ke2 81. Bb4 Kd1 82. Qa2 Kc1 83. Ke5 Kd1 84. Qd2#
# PLAYER : RATING POINTS PLAYED (%)
1 Stockfish : 3652.8 85.0 120 71
2 Lc0 : 3610.5 78.5 120 65
3 Dragon : 3591.9 75.5 120 63
4 Allie : 3576.7 73.0 120 61
5 Ethereal : 3529.5 64.5 119 54
6 Stoofvlees : 3529.5 65.0 120 54
7 Igel : 3526.5 64.0 119 54
8 Rubi : 3512.0 62.0 120 52
9 Koivisto : 3503.3 60.5 120 50
10 Komodo : 3500.4 60.0 120 50
11 SlowChess : 3488.9 58.0 120 48
13 Xiphos : 3421.1 46.5 120 39
14 Rofchade : 3383.9 40.5 120 34
15 Halogen : 3380.7 40.0 120 33
16 Defenchess : 3326.9 32.0 120 27
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Format:
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CCC Rapid 2021: Qualifiers
engines: Rubichess, Defenchess, Arasan, Wasp, Winter, Fabchess, Weiss, Koivisto
time: 15m+3s
book: 2-ply balanced
5 rounds
280 games
~7 days
CCC Rapid 2021: NNUE League
engines: Dragon, Igel, Nemorino, Minic, Pedone, Seer, Halogen, Ethereal
time: 15m+3s
book: 2-ply balanced
5 rounds
280 games
~7 days
CCC Rapid 2021: Main League
engines: Stockfish Classic, Stoofvlees, Komodo, SlowChess, Xiphos, RofChade, qualifier #1, qualifier #2
15m+3s
Feobos (c3)
6 rounds
336 games
~8 days
CCC Rapid 2021: NN vs Classic
engines: Stockfish, Leela, #1 NNUE League, #2 NNUE League, #3 NNUE League, #1 Main League, #2 Main League, #3 Main League, #4 Main League, #5 Main League
time: 15m+3s
book: Feobos (c3) (different part of the book than the main league)
5 rounds
450 games
~11.5 days
CCC Rapid 2021: Elite Round
Engines ranked #1 to #6 of the “NN vs Classic” event. One engine max from the same engine family.
15m+3s
8 moves Pohl’s Unbalanced Human Openings
20 rounds
600 games
~15 days
CCC Rapid 2021: Finals
Engines ranked #1 and #2 in the elite round
15m+3s
8 moves Pohl’s Unbalanced Human Openings (different part of the book than the elite round)
20 rounds
500 games
~13 days
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PGN:
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https://cccfiles.chess.com/archive/tournament-184250.pgn
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Openings:
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Perfect 2017
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Rules:
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Tablebases: Up to 6-man.
Games will be played until mate or draw by threefold repetition, stalemate, 50-move rule, or adjudication (see Adjudication).
Tied matches will continue in sets of 5 openings (10 games), until a set does not finish tied.
Tiebreaks will reuse match openings, restarting from the first opening.
For crashes and unfinished games, see “Technical Mishaps and Engine Crashes” below.
Engines may be updated between rounds.
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Adjudication:
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Drawn 6-man tablebase positions will be adjudicated as a draw.
Games longer than 50 moves, with no pawn moves or captures for 20 ply, and an evaluation from both participating engines that is between +/- 0.09, will be ruled a draw.
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Technical Specifications:
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The CCC will run on cutting-edge technology.
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Engine Server:
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CPUs: 2 x AMD EPYC 7H12
GPU: 2x A100 (40 GB GPU memory)
Cores: 256 cores (128 physical)
RAM: 512GB DIMM DDR4 2933 MHz (0.3 ns)
SSD: 2x Micron 5210 MTFD (2TB) in RAID1
OS: CentOS 8
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Kibitzer:
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Stockfish 12
CPU: 80 physical cores (Intel Xeon Platinum 8168 @ 2.70 GHz 33 MB L3)
RAM: 2048 MB
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