FlipMind benchmark result (2026-11-13) Platform: x86 AVX2 build, AMD Ryzen 5 5600X (6 cores, 12 threads), Windows 11 Pro Engine: Edax 4.5.6 (official x86-64-v3 build) Problems: FFO 33-51 (FFO endgame tests #33-#51, 19 positions, 20-27 empties) Mode: BEST (best move and its exact score) Conditions: 12 threads, no book, engines alternated, 3 rounds Time: total solve time reported by the engine Correct: 19/19 Average: 5.281 s (rounds: 5.268 / 5.204 / 5.372) [Raw engine output] === round 1 === Edax version 4.5.6 Oct 28 2026 19:44:25 for Windows copyright 1998 - 2025 Richard Delorme, Toshihiko Okuhara WARNING: missing best score in -XXXXXXX--XOOO----OXOOXX-OOXXOXX-OOOOOXX-X-XOOXX---O-X-X--OOOO-- X; # | depth|score| time | nodes (N) | N/s | principal variation ---+------+-----+--------------+-------------+----------+--------------------- 1| 20 -08 0:00.032 5482601 171331281 e7 C7 a4 B3 a6 A5 c6 WARNING: missing best score in -------------O-O-OOOOOOOOOOOOXOOOXXOOOXO-XXXOXOO--XXXOXO--OXXXXO X; 2| 20 -02 0:00.031 8405431 271142935 c2 D2 a3 A2 e1 D1 e2 WARNING: missing best score in --XXX-----XXXX-OOOXXOOOOOOOOOOXO-OOXXXXO-OOOXXXO---XOXX---X----- O; 3| 21 +00 0:00.016 5828097 364256062 C7 b8 D8 e8 H8 h7 G8 WARNING: missing best score in ---X-O----XXXO-XXXXXXXXXXOOXXOOXXOXOOOXXXXOOOO-XX--OOOO--------- O; 4| 21 +00 0:00.031 9063925 292384677 B7 e1 C1 a8 C7 b8 G6 WARNING: missing best score in --OOOO--O-OOOO--OXXXOOO-OXXOXO--OOXXOXX-OOXXXX--O-XXX-----XX-O-- X; 5| 22 -20 0:00.078 28092607 360161628 g2 G4 h4 H1 b7 H6 h5 WARNING: missing best score in --OOOO----OOOO---XOXXOOXOOXOOOOX-OOOOOXXXOOXXXXX--X-X----------- X; 6| 24 +04 0:00.094 26569189 282650947 b2 C8 h2 G2 a5 A7 h1 WARNING: missing best score in O-OOOO--XOXXOX--XOOOXXX-XOOOXX--XOOXOX--XOXXX---X-XX------------ O; 7| 26 +64 0:00.000 357074 A8 ps B1 ps B8 c8 D8 WARNING: missing best score in O--OOOOX-OOOOOOXOOXXOOOXOOXOOOXXOOOOOOXX---OOOOX----O--X-------- X; 8| 20 +38 0:00.015 10420385 694692333 a2 B1 c1 PS b6 C7 a7 WARNING: missing best score in -OOOOO----OOOOX--OOOOOO-XXXXXOO--XXOOX--OOXOXX----OXXO---OOO--O- X; 9| 22 +00 0:00.063 21885844 347394349 h4 A3 a2 G6 g5 H5 f8 WARNING: missing best score in --OOO-------XX-OOOOOOXOO-OOOOXOOX-OOOXXO---OOXOO---OOOXO--OOOO-- X; 10| 22 +06 0:00.079 28569732 361642177 g2 H1 c2 G1 f1 D2 b2 WARNING: missing best score in --XXXXX---XXXX---OOOXX---OOXXXX--OOXXXO-OOOOXOO----XOX----XXXXX- O; 11| 23 -12 0:00.188 77711060 413356702 G3 h6 C7 h4 H5 h3 G2 WARNING: missing best score in --O-X-O---O-XO-O-OOXXXOOOOOOXXXOOOOOXX--XXOOXO----XXXX-----XXX-- O; 12| 23 -14 0:00.078 21152221 271182321 B8 g5 D2 a3 B7 a8 A7 WARNING: missing best score in ---XXXX-X-XXXO--XXOXOO--XXXOXO--XXOXXO---OXXXOO-O-OOOO------OO-- X; 13| 24 +06 0:00.578 256702084 444121253 b2 C1 g5 H4 h6 G4 b1 WARNING: missing best score in ---XXX----OOOX----OOOXX--OOOOXXX--OOOOXX--OXOXXX--XXOO---XXXX-O- X; 14| 24 -08 0:00.140 64557240 461123143 b3 C1 b1 A3 b2 H3 a5 WARNING: missing best score in -OOOOO----OOOO---OOOOX--XXXXXX---OXOOX--OOOXOX----OOXX----XXXX-- O; 15| 25 +04 0:00.078 21687582 278045923 G2 b8 B7 a2 A5 b2 G3 WARNING: missing best score in -----X--X-XXX---XXXXOO--XOXOOXX-XOOXXX--XOOXX-----OOOX---XXXXXX- O; 16| 25 +28 0:00.328 146909064 447893488 F6 g5 G3 f2 H4 h5 H3 WARNING: missing best score in --OX-O----XXOO--OOOOOXX-OOOOOX--OOOXOXX-OOOOXX-----OOX----X-O--- X; 17| 26 +16 0:00.813 379246841 466478279 e1 H4 g6 H6 h5 G4 b2 WARNING: missing best score in ----X-----XXX----OOOXOOO-OOOXOOO-OXOXOXO-OOXXOOO--OOXO----O--O-- X; 18| 26 +10 0:01.844 944735267 512329320 d8 E8 g8 H8 f2 G7 b7 WARNING: missing best score in ----O-X------X-----XXXO-OXXXXXOO-XXOOXOOXXOXXXOO--OOOO-O----OO-- O; 19| 27 +06 0:00.782 422232650 539939450 E2 h2 G7 f1 H1 h3 D1 ---+------+-----+--------------+-------------+----------+--------------------- \Documents\eval: 2479608894 nodes in 0:05.268 (470692653 nodes/s). 19 positions; 0 erroneous move; 0 erroneous score; mean absolute score error = 0.000; mean absolute move error = 0.000 === round 2 === Edax version 4.5.6 Oct 28 2026 19:44:25 for Windows copyright 1998 - 2025 Richard Delorme, Toshihiko Okuhara WARNING: missing best score in -XXXXXXX--XOOO----OXOOXX-OOXXOXX-OOOOOXX-X-XOOXX---O-X-X--OOOO-- X; # | depth|score| time | nodes (N) | N/s | principal variation ---+------+-----+--------------+-------------+----------+--------------------- 1| 20 -08 0:00.031 5544721 178861968 e7 C7 a4 B3 a6 A5 c6 WARNING: missing best score in -------------O-O-OOOOOOOOOOOOXOOOXXOOOXO-XXXOXOO--XXXOXO--OXXXXO X; 2| 20 -02 0:00.016 8057748 503609250 c2 D2 a3 A2 e1 D1 e2 WARNING: missing best score in --XXX-----XXXX-OOOXXOOOOOOOOOOXO-OOXXXXO-OOOXXXO---XOXX---X----- O; 3| 21 +00 0:00.032 5869648 183426500 C7 b8 D8 e8 H8 h7 G8 WARNING: missing best score in ---X-O----XXXO-XXXXXXXXXXOOXXOOXXOXOOOXXXXOOOO-XX--OOOO--------- O; 4| 21 +00 0:00.047 9093413 193476872 B7 e1 C1 a8 C7 b8 G6 WARNING: missing best score in --OOOO--O-OOOO--OXXXOOO-OXXOXO--OOXXOXX-OOXXXX--O-XXX-----XX-O-- X; 5| 22 -20 0:00.078 23710126 303975974 g2 G4 h4 H1 b7 H6 h5 WARNING: missing best score in --OOOO----OOOO---XOXXOOXOOXOOOOX-OOOOOXXXOOXXXXX--X-X----------- X; 6| 24 +04 0:00.094 26369213 280523543 b2 C8 h2 G2 a5 A7 h1 WARNING: missing best score in O-OOOO--XOXXOX--XOOOXXX-XOOOXX--XOOXOX--XOXXX---X-XX------------ O; 7| 26 +64 0:00.000 356021 A8 ps B1 ps B8 c8 D8 WARNING: missing best score in O--OOOOX-OOOOOOXOOXXOOOXOOXOOOXXOOOOOOXX---OOOOX----O--X-------- X; 8| 20 +38 0:00.016 10209537 638096062 a2 B1 c1 PS b6 C7 a7 WARNING: missing best score in -OOOOO----OOOOX--OOOOOO-XXXXXOO--XXOOX--OOXOXX----OXXO---OOO--O- X; 9| 22 +00 0:00.063 21321415 338435159 h4 A3 a2 G6 g5 H5 f8 WARNING: missing best score in --OOO-------XX-OOOOOOXOO-OOOOXOOX-OOOXXO---OOXOO---OOOXO--OOOO-- X; 10| 22 +06 0:00.094 27141125 288735372 g2 H1 c2 G1 f1 D2 b2 WARNING: missing best score in --XXXXX---XXXX---OOOXX---OOXXXX--OOXXXO-OOOOXOO----XOX----XXXXX- O; 11| 23 -12 0:00.187 81005241 433183107 G3 h6 H5 c7 G7 h8 H7 WARNING: missing best score in --O-X-O---O-XO-O-OOXXXOOOOOOXXXOOOOOXX--XXOOXO----XXXX-----XXX-- O; 12| 23 -14 0:00.078 20941705 268483397 B8 g5 D2 a3 B7 a8 A7 WARNING: missing best score in ---XXXX-X-XXXO--XXOXOO--XXXOXO--XXOXXO---OXXXOO-O-OOOO------OO-- X; 13| 24 +06 0:00.531 261426240 492328136 b2 C1 g5 H4 h6 G4 b1 WARNING: missing best score in ---XXX----OOOX----OOOXX--OOOOXXX--OOOOXX--OXOXXX--XXOO---XXXX-O- X; 14| 24 -08 0:00.140 64533774 460955529 b3 C1 b1 A3 b2 H3 a5 WARNING: missing best score in -OOOOO----OOOO---OOOOX--XXXXXX---OXOOX--OOOXOX----OOXX----XXXX-- O; 15| 25 +04 0:00.063 21251444 337324508 G2 b8 B7 a2 A5 b2 G3 WARNING: missing best score in -----X--X-XXX---XXXXOO--XOXOOXX-XOOXXX--XOOXX-----OOOX---XXXXXX- O; 16| 25 +28 0:00.328 143937146 438832762 F6 g5 G3 f2 H4 h5 H3 WARNING: missing best score in --OX-O----XXOO--OOOOOXX-OOOOOX--OOOXOXX-OOOOXX-----OOX----X-O--- X; 17| 26 +16 0:00.765 367878052 480886342 e1 H4 g6 H6 h5 G4 b2 WARNING: missing best score in ----X-----XXX----OOOXOOO-OOOXOOO-OXOXOXO-OOXXOOO--OOXO----O--O-- X; 18| 26 +10 0:01.875 982360031 523925350 d8 E8 g8 H8 f2 G7 b7 WARNING: missing best score in ----O-X------X-----XXXO-OXXXXXOO-XXOOXOOXXOXXXOO--OOOO-O----OO-- O; 19| 27 +06 0:00.766 418344547 546141706 E2 h2 G7 f1 H1 h3 D1 ---+------+-----+--------------+-------------+----------+--------------------- \Documents\eval: 2499351147 nodes in 0:05.204 (480275009 nodes/s). 19 positions; 0 erroneous move; 0 erroneous score; mean absolute score error = 0.000; mean absolute move error = 0.000 === round 3 === Edax version 4.5.6 Oct 28 2026 19:44:25 for Windows copyright 1998 - 2025 Richard Delorme, Toshihiko Okuhara WARNING: missing best score in -XXXXXXX--XOOO----OXOOXX-OOXXOXX-OOOOOXX-X-XOOXX---O-X-X--OOOO-- X; # | depth|score| time | nodes (N) | N/s | principal variation ---+------+-----+--------------+-------------+----------+--------------------- 1| 20 -08 0:00.031 5277627 170246032 e7 C7 a4 B3 a6 A5 c6 WARNING: missing best score in -------------O-O-OOOOOOOOOOOOXOOOXXOOOXO-XXXOXOO--XXXOXO--OXXXXO X; 2| 20 -02 0:00.015 7761763 517450867 c2 D2 a3 A2 e1 D1 e2 WARNING: missing best score in --XXX-----XXXX-OOOXXOOOOOOOOOOXO-OOXXXXO-OOOXXXO---XOXX---X----- O; 3| 21 +00 0:00.031 5884644 189827226 C7 b8 D8 e8 H8 h7 G8 WARNING: missing best score in ---X-O----XXXO-XXXXXXXXXXOOXXOOXXOXOOOXXXXOOOO-XX--OOOO--------- O; 4| 21 +00 0:00.032 9093467 284170844 B7 e1 C1 a8 C7 b8 G6 WARNING: missing best score in --OOOO--O-OOOO--OXXXOOO-OXXOXO--OOXXOXX-OOXXXX--O-XXX-----XX-O-- X; 5| 22 -20 0:00.078 27660559 354622551 g2 G4 h4 H1 b7 H6 h5 WARNING: missing best score in --OOOO----OOOO---XOXXOOXOOXOOOOX-OOOOOXXXOOXXXXX--X-X----------- X; 6| 24 +04 0:00.078 26708265 342413654 b2 C8 h2 G2 a5 A7 h1 WARNING: missing best score in O-OOOO--XOXXOX--XOOOXXX-XOOOXX--XOOXOX--XOXXX---X-XX------------ O; 7| 26 +64 0:00.015 1574332 104955467 A8 ps B1 ps H3 g2 D8 WARNING: missing best score in O--OOOOX-OOOOOOXOOXXOOOXOOXOOOXXOOOOOOXX---OOOOX----O--X-------- X; 8| 20 +38 0:00.016 10099095 631193438 a2 B1 c1 PS b6 C7 a7 WARNING: missing best score in -OOOOO----OOOOX--OOOOOO-XXXXXOO--XXOOX--OOXOXX----OXXO---OOO--O- X; 9| 22 +00 0:00.047 21400387 455327383 h4 A3 a2 G6 g5 H5 f8 WARNING: missing best score in --OOO-------XX-OOOOOOXOO-OOOOXOOX-OOOXXO---OOXOO---OOOXO--OOOO-- X; 10| 22 +06 0:00.093 28499031 306441194 g2 H1 c2 G1 f1 D2 b2 WARNING: missing best score in --XXXXX---XXXX---OOOXX---OOXXXX--OOXXXO-OOOOXOO----XOX----XXXXX- O; 11| 23 -12 0:00.203 77376404 381164552 G3 h6 C7 h4 H5 h3 G2 WARNING: missing best score in --O-X-O---O-XO-O-OOXXXOOOOOOXXXOOOOOXX--XXOOXO----XXXX-----XXX-- O; 12| 23 -14 0:00.078 20793456 266582769 D2 g5 B8 a3 B7 a8 A7 WARNING: missing best score in ---XXXX-X-XXXO--XXOXOO--XXXOXO--XXOXXO---OXXXOO-O-OOOO------OO-- X; 13| 24 +06 0:00.547 263556608 481821952 b2 C1 g5 H4 h6 G4 b1 WARNING: missing best score in ---XXX----OOOX----OOOXX--OOOOXXX--OOOOXX--OXOXXX--XXOO---XXXX-O- X; 14| 24 -08 0:00.140 64986758 464191129 b3 C1 b1 A3 b2 H3 a5 WARNING: missing best score in -OOOOO----OOOO---OOOOX--XXXXXX---OXOOX--OOOXOX----OOXX----XXXX-- O; 15| 25 +04 0:00.063 20608700 327122222 G2 b8 B7 a2 A5 b2 G3 WARNING: missing best score in -----X--X-XXX---XXXXOO--XOXOOXX-XOOXXX--XOOXX-----OOOX---XXXXXX- O; 16| 25 +28 0:00.312 148186478 474956660 F6 g5 G3 f2 H4 h5 H3 WARNING: missing best score in --OX-O----XXOO--OOOOOXX-OOOOOX--OOOXOXX-OOOOXX-----OOX----X-O--- X; 17| 26 +16 0:00.797 368219280 462006625 e1 H4 g6 H6 h5 G4 b2 WARNING: missing best score in ----X-----XXX----OOOXOOO-OOOXOOO-OXOXOXO-OOXXOOO--OOXO----O--O-- X; 18| 26 +10 0:02.031 1024727944 504543547 d8 E8 g8 H8 f2 G7 b7 WARNING: missing best score in ----O-X------X-----XXXO-OXXXXXOO-XXOOXOOXXOXXXOO--OOOO-O----OO-- O; 19| 27 +06 0:00.765 419313359 548122038 E2 h2 G7 f1 H1 h3 D1 ---+------+-----+--------------+-------------+----------+--------------------- \Documents\eval: 2551728157 nodes in 0:05.372 (475005241 nodes/s). 19 positions; 0 erroneous move; 0 erroneous score; mean absolute score error = 0.000; mean absolute move error = 0.000