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============================== My email: jotes@go2.pl



Chess Engines Diary Rating Cup 05/2025, semi-final: Obsidian 16 - Plentychess 5.0.0


Second semi-final of the Chess Engines Diary Rating Cup 05/2025. After the playoffs, the chess engine Obsidian 16 won and will play in the final with Stockfish 17.1.

All CEDR games 646.387 download 

@chessenginesdiary Country - Poland, City - Malbork  🕓 Time 3'+3" 
💻Asus Zenbook, AMD Ryzen 9 6900HX, RAM 32,0 GB 🖬 GUI-Fritz 20




Partia mi się podobała (Fritz 20)
[Event "CEDRCUP.05.2025.Stockfish_Obsidian.Final"] [Site "?"] [Date "2025.05.26"] [Round "1.13"] [White "Stockfish 17.1"] [Black "Obsidian 16.0"] [Result "1-0"] [Annotator "0.19;0.19"] [ECO "C54"] [PlyCount "203"] [GameId "2181746984153280"] [EventDate "2025.05.26"] [EventType "k.o."] [SourceTitle "Fritz Engine Tournament"] [TimeControl "180+3"] {AMD Ryzen 9 6900HX with Radeon Graphics 3294 MHz W=37.3 plies; 609kN/s; 52 235 TBAs B=26.3 plies; 740kN/s; 14 604 TBAs} 1. e4 {[%eval 19,33] [%emt 0:00:14]} e5 {[%eval 19,26] [%emt 0:00:15]} 2. Nf3 {[%eval 22,30] [%emt 0:00:05]} Nc6 {[%eval 27,28] [%emt 0:00:11]} 3. Bc4 {[%eval 14,35] [%emt 0:00:16] (b5)} Bc5 {[%eval 15,26] [%emt 0:00:13] (f6)} 4. O-O {[%eval 13,29] [%emt 0:00:04] (c3)} Nf6 {[%eval 15,24] [%emt 0:00:05]} 5. d3 {[%eval 21,34] [%emt 0:00:14]} d6 {[%eval 18,25] [%emt 0:00:08]} 6. c3 {[%eval 25,28] [%emt 0:00:03]} O-O {[%eval 20,25] [%emt 0:00:14]} 7. h3 {[%eval 24,28] [%emt 0:00:06]} a6 {[%eval 15,24] [%emt 0:00:07]} 8. a4 {[%eval 19,29] [%emt 0:00:07]} Ba7 {[%eval 15,24] [%emt 0:00:04] (a5)} 9. Nbd2 {[%eval 21,29] [%emt 0:00:06]} h6 {[%eval 16,23] [%emt 0:00:06] (e8)} 10. b4 {[%eval 20,33] [%emt 0:00:13] (e1)} Ne7 {[%eval 14,27] [%emt 0:00:15] (e8)} 11. Re1 {[%eval 31,28] [%emt 0:00:07]} Be6 {[%eval 21,26] [%emt 0:00:21] (g6)} 12. Bxe6 {[%eval 33,25] [%emt 0:00:05]} fxe6 {[%eval 28,25] [%emt 0:00:08]} 13. Nf1 {[%eval 24,28] [%emt 0:00:10]} Qe8 {[%eval 26,27] [%emt 0:00:16] (g6)} 14. d4 {[%eval 35,28] [%emt 0:00:06] (e3)} Ng6 {[%eval 19,22] [%emt 0:00:05]} 15. Ng3 {[%eval 30,28] [%emt 0:00:08]} Nd7 {[%eval 30,25] [%emt 0:00:09] (e7)} 16. Be3 {[%eval 32,24] [%emt 0:00:04]} Rf7 {[%eval 30,24] [%emt 0:00:08] (e7)} 17. Ra2 {[%eval 33,27] [%emt 0:00:06] (h2)} Qe7 {[%eval 25,24] [%emt 0:00:09] (c8)} 18. Kh2 {[%eval 27,27] [%emt 0:00:07]} exd4 {[%eval 23,23] [%emt 0:00:04] (af8)} 19. cxd4 {[%eval 27,25] [%emt 0:00:05]} Raf8 {[%eval 17,24] [%emt 0:00:05]} 20. Rd2 {[%eval 31,29] [%emt 0:00:14]} Bb8 {[%eval 19,22] [%emt 0:00:06]} 21. Rb2 {[%eval 37,28] [%emt 0:00:11]} c6 {[%eval 17,24] [%emt 0:00:05]} 22. Rb3 {[%eval 29,26] [%emt 0:00:06]} d5 {[%eval 12,26] [%emt 0:00:13]} 23. e5 {[%eval 42,27] [%emt 0:00:04]} Nb6 {[%eval 26,27] [%emt 0:00:08]} 24. a5 {[%eval 38,28] [%emt 0:00:06] (b5)} Nc4 {[%eval 21,24] [%emt 0:00:04]} 25. Bc1 {[%eval 34,32] [%emt 0:00:06] (c2)} Ba7 {[%eval 31,24] [%emt 0:00:10] (f4)} 26. Ne2 {[%eval 54,26] [%emt 0:00:04]} Qd8 {[%eval 42,26] [%emt 0:00:12] (e8)} 27. Rf1 {[%eval 56,28] [%emt 0:00:05]} Qb8 {[%eval 39,26] [%emt 0:00:04] (h8)} 28. Ne1 {[%eval 58,29] [%emt 0:00:06] (h1)} Ne7 {[%eval 70,25] [%emt 0:00:15] (cxe5)} 29. Nd3 {[%eval 85,24] [%emt 0:00:06]} Qc8 {[%eval 80,22] [%emt 0:00:03]} 30. f4 {[%eval 75,30] [%emt 0:00:15]} Qc7 {[%eval 77,22] [%emt 0:00:04] (b6)} 31. Nb2 {[%eval 90,27] [%emt 0:00:08]} c5 {[%eval 55,19] [%emt 0:00:01]} 32. bxc5 {[%eval 97,29] [%emt 0:00:05]} Nxa5 {[%eval 82,19] [%emt 0:00:02]} 33. Ra3 {[%eval 98,26] [%emt 0:00:05]} b6 {[%eval 99,24] [%emt 0:00:03]} 34. Bd2 {[%eval 88,28] [%emt 0:00:05]} Nac6 {[%eval 88,22] [%emt 0:00:02]} 35. Nd3 {[%eval 97,27] [%emt 0:00:04]} a5 {[%eval 82,24] [%emt 0:00:04]} 36. Qa4 {[%eval 99,27] [%emt 0:00:06]} Qb7 {[%eval 78,23] [%emt 0:00:02]} 37. Rb1 {[%eval 97,28] [%emt 0:00:05]} Qa6 {[%eval 88,24] [%emt 0:00:03]} 38. cxb6 {[%eval 99,25] [%emt 0:00:03]} Bxb6 {[%eval 93,24] [%emt 0:00:03]} 39. Bb4 {[%eval 95,25] [%emt 0:00:04]} Nxb4 {[%eval 91,23] [%emt 0:00:01]} 40. Rxb4 {[%eval 94,25] [%emt 0:00:03]} Rc8 {[%eval 107,21] [%emt 0:00:04]} 41. Rb5 {[%eval 93,28] [%emt 0:00:12]} Qa7 {[%eval 85,23] [%emt 0:00:07] (ff8)} 42. Qb3 {[%eval 123,20] [%emt 0:00:02] (c5)} Rc6 {[%eval 137,21] [%emt 0:00:02]} 43. Qb1 {[%eval 126,23] [%emt 0:00:02]} Rf8 {[%eval 130,24] [%emt 0:00:03]} 44. Rab3 {[%eval 125,26] [%emt 0:00:03]} a4 {[%eval 129,22] [%emt 0:00:01]} 45. Ra3 {[%eval 115,23] [%emt 0:00:02]} Nf5 {[%eval 134,24] [%emt 0:00:02]} 46. Rb4 {[%eval 130,25] [%emt 0:00:02]} Qc7 {[%eval 139,22] [%emt 0:00:03]} 47. Rbxa4 {[%eval 127,23] [%emt 0:00:03]} Rc2 {[%eval 140,21] [%emt 0:00:02]} 48. Ra2 {[%eval 135,23] [%emt 0:00:03]} Rxa2 {[%eval 137,23] [%emt 0:00:02]} 49. Qxa2 {[%eval 121,24] [%emt 0:00:03]} Rb8 {[%eval 134,21] [%emt 0:00:03] (c6)} 50. Qd2 {[%eval 126,26] [%emt 0:00:06] (e1)} Rb7 {[%eval 147,23] [%emt 0:00:10] (c6)} 51. g4 {[%eval 142,24] [%emt 0:00:02]} Ne7 {[%eval 142,19] [%emt 0:00:01]} 52. Ne1 {[%eval 161,29] [%emt 0:00:08] (a8+)} Qc6 {[%eval 156,24] [%emt 0:00:06] (a7)} 53. Qa2 {[%eval 159,26] [%emt 0:00:08]} Qb5 {[%eval 150,19] [%emt 0:00:01]} 54. Kg3 {[%eval 153,22] [%emt 0:00:01]} Kf7 {[%eval 152,21] [%emt 0:00:02] (c7)} 55. Nf3 {[%eval 156,25] [%emt 0:00:04] (a8)} Bc7 {[%eval 147,22] [%emt 0:00:03]} 56. Ra8 {[%eval 152,31] [%emt 0:00:10]} Qb3 {[%eval 168,24] [%emt 0:00:06] (b2)} 57. h4 {[%eval 162,22] [%emt 0:00:01]} Qxa2 {[%eval 157,23] [%emt 0:00:01]} 58. Rxa2 {[%eval 164,23] [%emt 0:00:01]} g6 {[%eval 178,23] [%emt 0:00:03] (b3)} 59. f5 {[%eval 160,23] [%emt 0:00:03]} exf5 {[%eval 173,22] [%emt 0:00:02]} 60. g5 {[%eval 129,26] [%emt 0:00:04]} h5 {[%eval 175,20] [%emt 0:00:01]} 61. Ra6 {[%eval 134,29] [%emt 0:00:06] (a8)} Rb6 {[%eval 171,22] [%emt 0:00:02]} 62. Ra7 {[%eval 135,26] [%emt 0:00:03] (a8)} Bb8 {[%eval 170,21] [%emt 0:00:02]} 63. Ra3 {[%eval 132,20] [%emt 0:00:01]} f4+ {[%eval 138,23] [%emt 0:00:03]} 64. Nxf4 {[%eval 136,21] [%emt 0:00:01]} Ke8 {[%eval 139,23] [%emt 0:00:03]} 65. Ra8 {[%eval 148,22] [%emt 0:00:02] (a5)} Rb2 {[%eval 157,23] [%emt 0:00:03] (d7)} 66. Nd3 {[%eval 179,21] [%emt 0:00:01] (h3)} Rb6 {[%eval 231,23] [%emt 0:00:08]} 67. Nc5 {[%eval 210,27] [%emt 0:00:05] (f4)} Nc6 {[%eval 222,21] [%emt 0:00:01]} 68. Kf2 {[%eval 206,25] [%emt 0:00:01]} Ke7 {[%eval 237,23] [%emt 0:00:06]} 69. Ke2 {[%eval 209,25] [%emt 0:00:02]} Kd8 {[%eval 247,21] [%emt 0:00:02] (e8)} 70. Ke3 {[%eval 241,24] [%emt 0:00:02] (d3)} Kc7 {[%eval 270,23] [%emt 0:00:05] (b1)} 71. Kd3 {[%eval 235,23] [%emt 0:00:02]} Ne7 {[%eval 300,23] [%emt 0:00:03]} 72. Nd2 {[%eval 283,23] [%emt 0:00:03]} Nf5 {[%eval 279,23] [%emt 0:00:02] (c6)} 73. Nf1 {[%eval 359,22] [%emt 0:00:02]} Kc6 {[%eval 395,23] [%emt 0:00:03]} 74. Ne3 {[%eval 383,23] [%emt 0:00:02]} Ne7 {[%eval 480,19] [%emt 0:00:03]} 75. Na4 {[%eval 414,23] [%emt 0:00:02]} Rb3+ {[%eval 527,19] [%emt 0:00:03] (b4)} 76. Nc3 {[%eval 448,23] [%emt 0:00:02]} Bc7 {[%eval 521,19] [%emt 0:00:03]} 77. Ra4 {[%eval 458,23] [%emt 0:00:02] (a6+)} Bb6 {[%eval 477,21] [%emt 0:00:01] (d8)} 78. Kc2 {[%eval 497,25] [%emt 0:00:02]} Rb5 {[%eval 565,22] [%emt 0:00:02]} 79. Nxb5 {[%eval 494,20] [%emt 0:00:02]} Kxb5 {[%eval 557,21] [%emt 0:00:01]} 80. Kb3 {[%eval 525,23] [%emt 0:00:02]} Ba5 {[%eval 574,23] [%emt 0:00:03]} 81. Ra1 {[%eval 556,23] [%emt 0:00:03]} Bd2 {[%eval 599,22] [%emt 0:00:07]} 82. Ng2 {[%eval 554,24] [%emt 0:00:04] (d1)} Nc6 {[%eval 579,21] [%emt 0:00:04] (f5)} 83. Kc2 {[%eval 572,24] [%emt 0:00:03]} Ba5 {[%eval 605,22] [%emt 0:00:03]} 84. Rd1 {[%eval 604,23] [%emt 0:00:03]} Nb4+ {[%eval 620,21] [%emt 0:00:03]} 85. Kc3 {[%eval 613,23] [%emt 0:00:03] (b3)} Na6+ {[%eval 612,20] [%emt 0:00:02] (b6)} 86. Kd3 {[%eval 621,22] [%emt 0:00:02] (b3)} Nb4+ {[%eval 601,16] [%emt 0:00:01]} 87. Ke2 {[%eval 623,24] [%emt 0:00:03]} Nc6 {[%eval 635,21] [%emt 0:00:06] (c6)} 88. Ne3 {[%eval 637,23] [%emt 0:00:03]} Nd8 {[%eval 632,22] [%emt 0:00:03] (d8)} 89. Nxd5 {[%eval 655,23] [%emt 0:00:02]} Ne6 {[%eval 647,22] [%emt 0:00:03] (c4)} 90. Kd3 {[%eval 712,24] [%emt 0:00:03]} Ng7 {[%eval 682,21] [%emt 0:00:03] (c6)} 91. Rf1 {[%eval 796,25] [%emt 0:00:03]} Ka4 {[%eval 726,21] [%emt 0:00:03] (d8)} 92. Kc4 {[%eval 1532,25] [%emt 0:00:03] (b1)} Ka3 {[%eval 671,17] [%emt 0:00:01]} 93. Ra1+ {[%eval 32744,60] [%emt 0:00:04] (e6)} Kb2 {[%eval 678,10] [%emt 0:00:00]} 94. Rxa5 {[%eval 32750,73] [%emt 0:00:04]} Nf5 {[%eval 32752,34] [%emt 0:00:04]} 95. Kd3 {[%eval 32752,73] [%emt 0:00:04]} Kb3 {[%eval 32754,36] [%emt 0:00:01]} 96. e6 {[%eval 32754,89] [%emt 0:00:03]} Nxd4 {[%eval 32756,41] [%emt 0:00:02] (d6)} 97. Kxd4 {[%eval 32756,125] [%emt 0:00:03]} Kc2 {[%eval 32758,68] [%emt 0:00:02]} 98. e7 {[%eval 32758,245] [%emt 0:00:03]} Kb2 {[%eval 32760,123] [%emt 0:00:01] (d2)} 99. e8=Q {[%eval 32760,245] [%emt 0:00:01]} Kc2 {[%eval 32762,123] [%emt 0:00:00]} 100. Ra2+ {[%eval 32762,245] [%emt 0:00:01]} Kb1 {[%eval 32764,123] [%emt 0:00:00]} 101. Nc3+ {[%eval 32764,245] [%emt 0:00:01]} Kc1 {[%eval 32766,10] [%emt 0:00:00]} 102. Qe1# {[%eval 32766,245] [%emt 0:00:01]} 1-0

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