The Chess Engines Diary CUP 05/2025 has begun.
The eight best engines in the CEDR ranking as of May 1, 2025 are competing in a knockout system.
The first match pitted the Caissa 1.22 engine against the favorite, Stockfish 17.1.
A match consists of 10 games. The engine that wins the match advances to the next round. In the event of a tie after 10 games, the match continues until the first win by either engine. In this particular match, 35 games were required to decide the winner, which proves that the new Caissa 1.22 engine plays very well."
The eight best engines in the CEDR ranking as of May 1, 2025 are competing in a knockout system.
The first match pitted the Caissa 1.22 engine against the favorite, Stockfish 17.1.
A match consists of 10 games. The engine that wins the match advances to the next round. In the event of a tie after 10 games, the match continues until the first win by either engine. In this particular match, 35 games were required to decide the winner, which proves that the new Caissa 1.22 engine plays very well."
All CEDR games 449.407 download
@chessenginesdiary Country - Poland, City - Malbork 🕓 Time 3'+3"
💻Asus Zenbook, AMD Ryzen 9 6900HX, RAM 32,0 GB 🖬 GUI-Fritz 17
[Event
"CEDRCUP.05.2025.Stockfish_Caissa, Błys"]
[Site "?"]
[Date "2025.05.18"]
[Round "1.35"]
[White "Stockfish 17.1"]
[Black "Caissa 1.22 BMI2"]
[Result "1-0"]
[ECO "B12"]
[Annotator "0.29;0.23"]
[PlyCount "199"]
[EventDate "2025.05.18"]
[EventType "k.o."]
[SourceTitle "Fritz Engine Tournament"]
[TimeControl "180+3"]
{AMD Ryzen 9 6900HX with Radeon Graphics 3294 MHz W=36.1 plies;
622kN/s; 2 125 634 TBAs B=35.4 plies;
7 914kN/s; 5 022 658 TBAs} 1. e4 {[%eval
29,32] [%emt 0:00:10]} c6 {[%eval 23,31] [%emt 0:00:20]} 2. d4 {[%eval
39,28] [%emt 0:00:08] (Nc3)} d5 {[%eval 28,32] [%emt 0:00:06]} 3. e5
{[%eval 41,24] [%emt 0:00:04] (Nd2)} Bf5 {[%eval 32,34] [%emt 0:00:08]
(c5)} 4. Be2 {[%eval 44,27] [%emt 0:00:06] (h4)} e6 {[%eval 20,29]
[%emt 0:00:09]} 5. Nf3 {[%eval 51,24] [%emt 0:00:04]} c5 {[%eval 30,29]
[%emt 0:00:04] (Ne7)} 6. Be3 {[%eval 48,28] [%emt 0:00:09] (0-0)} Qb6
{[%eval 42,28] [%emt 0:00:10] (Nd7)} 7. Nc3 {[%eval 66,25] [%emt
0:00:04]} Nc6 {[%eval 47,31] [%emt 0:00:16]} 8. O-O {[%eval 75,26]
[%emt 0:00:08]} Qxb2 {[%eval 66,31] [%emt 0:00:14] (c4)} 9. Qe1 {[%eval
50,31] [%emt 0:00:14]} c4 {[%eval 47,33] [%emt 0:00:08] (cxd4)} 10. Rb1
{[%eval 93,23] [%emt 0:00:04]} Qa3 {[%eval 79,29] [%emt 0:00:05]} 11.
Nb5 {[%eval 95,27] [%emt 0:00:10]} Qa4 {[%eval 60,29] [%emt 0:00:02]}
12. Nc7+ {[%eval 107,25] [%emt 0:00:04]} Kd7 {[%eval 48,27] [%emt
0:00:03]} 13. Nxa8 {[%eval 100,26] [%emt 0:00:07]} Kc8 {[%eval 69,33]
[%emt 0:00:16]} 14. Ng5 {[%eval 96,27] [%emt 0:00:09]} Nh6 {[%eval
90,28] [%emt 0:00:05]} 15. Bh5 {[%eval 110,24] [%emt 0:00:05]} Bb4
{[%eval 86,33] [%emt 0:00:12]} 16. c3 {[%eval 109,25] [%emt 0:00:05]}
Be7 {[%eval 84,31] [%emt 0:00:03]} 17. Nh3 {[%eval 110,25] [%emt
0:00:04] (Ra1)} Kb8 {[%eval 84,33] [%emt 0:00:19] (g6)} 18. Ra1 {[%eval
115,28] [%emt 0:00:19]} Rf8 {[%eval 78,34] [%emt 0:00:12] (Ba3)} 19.
Nf4 {[%eval 113,26] [%emt 0:00:04]} Kxa8 {[%eval 86,29] [%emt 0:00:03]}
20. Bf3 {[%eval 107,29] [%emt 0:00:17] (Be2)} Qa3 {[%eval 60,30] [%emt
0:00:18] (Rc8)} 21. Nh5 {[%eval 121,23] [%emt 0:00:03] (Bd2)} Bd3
{[%eval 72,30] [%emt 0:00:06]} 22. Bc1 {[%eval 114,26] [%emt 0:00:07]}
Qa5 {[%eval 86,35] [%emt 0:00:25]} 23. Nxg7 {[%eval 106,29] [%emt
0:00:08]} Bxf1 {[%eval 84,32] [%emt 0:00:06]} 24. Kxf1 {[%eval 107,27]
[%emt 0:00:04]} Ng8 {[%eval 86,28] [%emt 0:00:02]} 25. a3 {[%eval
107,24] [%emt 0:00:04]} Qb6 {[%eval 90,33] [%emt 0:00:06]} 26. g3
{[%eval 117,27] [%emt 0:00:06]} Na5 {[%eval 95,32] [%emt 0:00:03]} 27.
Kg2 {[%eval 123,29] [%emt 0:00:10]} Nb3 {[%eval 98,31] [%emt 0:00:03]
(a6)} 28. Ra2 {[%eval 109,26] [%emt 0:00:08]} Nxc1 {[%eval 102,28]
[%emt 0:00:03]} 29. Qxc1 {[%eval 114,26] [%emt 0:00:05]} Qb3 {[%eval
99,34] [%emt 0:00:09] (a6)} 30. Ra1 {[%eval 115,26] [%emt 0:00:04]} Bd8
{[%eval 100,32] [%emt 0:00:13] (Qa4)} 31. Bd1 {[%eval 132,25] [%emt
0:00:04]} Qb5 {[%eval 95,37] [%emt 0:00:02]} 32. Bc2 {[%eval 123,29]
[%emt 0:00:06] (Rb1)} h6 {[%eval 93,39] [%emt 0:00:03] (Qd7)} 33. Rb1
{[%eval 127,30] [%emt 0:00:11]} Qc6 {[%eval 93,38] [%emt 0:00:02]
(Qd7)} 34. a4 {[%eval 117,29] [%emt 0:00:08]} a6 {[%eval 93,31] [%emt
0:00:03] (Qd7)} 35. Qa3 {[%eval 119,25] [%emt 0:00:04]} Ne7 {[%eval
93,39] [%emt 0:00:04] (Be7)} 36. Re1 {[%eval 139,27] [%emt 0:00:04]}
Qd7 {[%eval 111,34] [%emt 0:00:06]} 37. Nh5 {[%eval 139,26] [%emt
0:00:03]} Rh8 {[%eval 111,37] [%emt 0:00:03] (Ba5)} 38. Nf6 {[%eval
130,26] [%emt 0:00:05] (Re3)} Qc7 {[%eval 92,28] [%emt 0:00:04] (Qc8)}
39. Re3 {[%eval 133,26] [%emt 0:00:04]} Nc6 {[%eval 65,25] [%emt
0:00:02]} 40. Rf3 {[%eval 127,24] [%emt 0:00:04]} Qa5 {[%eval 61,25]
[%emt 0:00:02] (Qe7)} 41. Ng4 {[%eval 110,31] [%emt 0:00:32] (Qb2)} Be7
{[%eval 76,28] [%emt 0:00:05]} 42. Qc1 {[%eval 107,21] [%emt 0:00:01]
(Qb2)} h5 {[%eval 74,26] [%emt 0:00:04] (Bg5)} 43. Nh6 {[%eval 135,19]
[%emt 0:00:01]} h4 {[%eval 78,26] [%emt 0:00:02]} 44. gxh4 {[%eval
104,29] [%emt 0:00:12]} b5 {[%eval 65,26] [%emt 0:00:02]} 45. axb5
{[%eval 109,25] [%emt 0:00:02]} axb5 {[%eval 98,24] [%emt 0:00:01]} 46.
Nxf7 {[%eval 106,21] [%emt 0:00:01]} Rxh4 {[%eval 72,25] [%emt
0:00:01]} 47. Rg3 {[%eval 104,20] [%emt 0:00:01] (h3)} b4 {[%eval
107,25] [%emt 0:00:04] (Ka7)} 48. Rg8+ {[%eval 108,21] [%emt 0:00:02]
(cxb4)} Ka7 {[%eval 70,22] [%emt 0:00:02]} 49. Nd6 {[%eval 135,21]
[%emt 0:00:03]} b3 {[%eval 79,23] [%emt 0:00:02]} 50. Bb1 {[%eval
117,20] [%emt 0:00:01]} Bd8 {[%eval 57,25] [%emt 0:00:03]} 51. Rg7+
{[%eval 118,24] [%emt 0:00:03] (Kg3)} Kb6 {[%eval 63,24] [%emt
0:00:05]} 52. h3 {[%eval 123,28] [%emt 0:00:11] (Rg6)} Qa1 {[%eval
104,27] [%emt 0:00:08] (Bc7)} 53. Rb7+ {[%eval 135,21] [%emt 0:00:01]}
Ka5 {[%eval 135,24] [%emt 0:00:01]} 54. Rb5+ {[%eval 152,17] [%emt
0:00:01]} Ka4 {[%eval 133,23] [%emt 0:00:01]} 55. Rc5 {[%eval 152,23]
[%emt 0:00:01]} Na5 {[%eval 187,28] [%emt 0:00:07]} 56. Rb5 {[%eval
166,25] [%emt 0:00:05] (Rc8)} Nc6 {[%eval 196,26] [%emt 0:00:02]} 57.
Rc5 {[%eval 179,21] [%emt 0:00:01]} Qa3 {[%eval 206,28] [%emt 0:00:04]}
58. Qe1 {[%eval 194,22] [%emt 0:00:01]} Na7 {[%eval 238,31] [%emt
0:00:05] (Na5)} 59. Nxc4 {[%eval 249,28] [%emt 0:00:07] (Qf1)} dxc4
{[%eval 272,26] [%emt 0:00:03]} 60. Qf1 {[%eval 255,22] [%emt 0:00:01]}
Qa1 {[%eval 269,27] [%emt 0:00:02]} 61. Rxc4+ {[%eval 263,20] [%emt
0:00:01]} Ka5 {[%eval 300,25] [%emt 0:00:01]} 62. Qd3 {[%eval 263,20]
[%emt 0:00:02]} Bb6 {[%eval 301,27] [%emt 0:00:02]} 63. Rb4 {[%eval
252,23] [%emt 0:00:02]} Rxd4 {[%eval 311,27] [%emt 0:00:04]} 64. Rxd4
{[%eval 257,22] [%emt 0:00:02]} Bxd4 {[%eval 316,26] [%emt 0:00:01]}
65. cxd4 {[%eval 275,20] [%emt 0:00:03]} Qb2 {[%eval 326,25] [%emt
0:00:06] (Kb4)} 66. d5 {[%eval 284,22] [%emt 0:00:02]} Qxe5 {[%eval
324,26] [%emt 0:00:02]} 67. Qxb3 {[%eval 285,22] [%emt 0:00:02]} Qg5+
{[%eval 317,25] [%emt 0:00:03]} 68. Qg3 {[%eval 293,23] [%emt 0:00:03]
(Kh2)} Qxd5+ {[%eval 260,22] [%emt 0:00:01]} 69. Qf3 {[%eval 306,24]
[%emt 0:00:02]} Qe5 {[%eval 347,26] [%emt 0:00:06] (Qd6)} 70. h4
{[%eval 319,29] [%emt 0:00:08]} Nb5 {[%eval 377,25] [%emt 0:00:04]} 71.
Qe3 {[%eval 317,23] [%emt 0:00:01]} Qd5+ {[%eval 394,23] [%emt 0:00:03]
(Qh8)} 72. Be4 {[%eval 351,24] [%emt 0:00:02]} Qh5 {[%eval 410,24]
[%emt 0:00:02] (Qe5)} 73. Qg5 {[%eval 411,23] [%emt 0:00:02] (Kg3)} Qd1
{[%eval 509,28] [%emt 0:00:05] (Qh8)} 74. h5 {[%eval 463,24] [%emt
0:00:03] (Bc6)} Qd4 {[%eval 565,20] [%emt 0:00:03]} 75. Bf3 {[%eval
504,23] [%emt 0:00:02] (Qe3)} e5 {[%eval 752,22] [%emt 0:00:03]} 76. h6
{[%eval 558,22] [%emt 0:00:02]} Qd3 {[%eval 1061,20] [%emt 0:00:03]}
77. Qg8 {[%eval 597,19] [%emt 0:00:02] (Qg4)} Nd4 {[%eval 1046,18]
[%emt 0:00:03]} 78. Qa8+ {[%eval 696,22] [%emt 0:00:03] (Qd5+)} Kb4
{[%eval 1138,18] [%emt 0:00:02]} 79. Qe4 {[%eval 745,22] [%emt 0:00:03]
(Qb7+)} Qd2 {[%eval 905,23] [%emt 0:00:03]} 80. Qe3 {[%eval 768,23]
[%emt 0:00:03] (h7)} Qc2 {[%eval 1235,24] [%emt 0:00:03]} 81. Qe1+
{[%eval 802,22] [%emt 0:00:02]} Ka3 {[%eval 1448,22] [%emt 0:00:03]}
82. Qe4 {[%eval 835,23] [%emt 0:00:03]} Qc1 {[%eval 1536,24] [%emt
0:00:03]} 83. Qe3+ {[%eval 6719,26] [%emt 0:00:04] (h7)} Qxe3 {[%eval
-31417,31] [%emt 0:00:03]} 84. fxe3 {[%eval 19979,43] [%emt 0:00:02]}
Nf5 {[%eval -31211,38] [%emt 0:00:03]} 85. h7 {[%eval 19985,44] [%emt
0:00:03]} Nh4+ {[%eval -31203,42] [%emt 0:00:03]} 86. Kg3 {[%eval
19990,41] [%emt 0:00:03]} Ng6 {[%eval 32722,41] [%emt 0:00:03]} 87. Kg4
{[%eval 19994,39] [%emt 0:00:03] (Be4)} e4 {[%eval -31005,33] [%emt
0:00:03] (Kb2)} 88. Bxe4 {[%eval 32736,48] [%emt 0:00:04]} Nh8 {[%eval
-30993,32] [%emt 0:00:03]} 89. Kg5 {[%eval 32740,50] [%emt 0:00:03]
(Kf5)} Nf7+ {[%eval 32738,31] [%emt 0:00:03] (Kb4)} 90. Kf6 {[%eval
32742,49] [%emt 0:00:03] (Kg6)} Nd6 {[%eval -30985,32] [%emt 0:00:03]}
91. Bc6 {[%eval 32746,47] [%emt 0:00:04] (Kg6)} Nc4 {[%eval 32748,34]
[%emt 0:00:03] (Kb4)} 92. h8=Q {[%eval 32748,49] [%emt 0:00:03]} Na5
{[%eval 32750,41] [%emt 0:00:03] (Kb2)} 93. Bd5 {[%eval 32752,56] [%emt
0:00:03] (Qf8+)} Kb4 {[%eval 32754,47] [%emt 0:00:03]} 94. Ke6 {[%eval
32754,59] [%emt 0:00:03]} Kb5 {[%eval 32756,52] [%emt 0:00:02]} 95. Qd4
{[%eval 32756,81] [%emt 0:00:03] (Qc3)} Nb3 {[%eval 32758,81] [%emt
0:00:02] (Nc6)} 96. Bxb3 {[%eval 32758,195] [%emt 0:00:03] (Qc4+)} Kc6
{[%eval 32760,206] [%emt 0:00:02]} 97. Bd5+ {[%eval 32760,245] [%emt
0:00:01] (Qb4)} Kb5 {[%eval 32762,226] [%emt 0:00:00] (Kc7)} 98. Kd6
{[%eval 32762,245] [%emt 0:00:00]} Ka5 {[%eval 32764,208] [%emt
0:00:00]} 99. Kc6 {[%eval 32764,245] [%emt 0:00:00]} Ka6 {[%eval 1,0]
[%emt 0:00:00]} 100. Qa4# {[%eval 32766,245] [%emt 0:00:00]} 1-0
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