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: Edax 16 (the 16 endgame positions of the Edax bench command, 20-23 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: 16/16 (Edax12: a different move with the same best score) Average: 2.630 s (rounds: 2.608 / 2.610 / 2.673) [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 --O---O----OOO--OOOOOOX--OOOOXO-OOOOXXXOOXXXXOXXO---XXXX---XXXXO X; # | depth|score| time | nodes (N) | N/s | principal variation ---+------+-----+--------------+-------------+----------+--------------------- 1| 20 +20 0:00.032 4028758 125898688 a4 C8 a8 D7 c7 G2 a2 WARNING: missing best score in O-XXXXX--OXXX--XX-OOX-X--XOOOXXOOOXOOOOO--OX-XO---OXX-O--OXX--OX X; 2| 20 -02 0:00.047 10286053 218852191 h7 E6 f8 F7 h6 H3 e8 WARNING: missing best score in X-O------XO-OOO-OOXOXOO-OOOXOXO-OOXOXXOXO-XXOXO--OOXOOO-----XOO- X; 3| 20 +38 0:00.609 366831484 602350548 d8 B6 c8 D2 a8 A7 b8 WARNING: missing best score in ---XXXXX-O-X-XXX--OXOXOX--XXXXOX---XOXOXXXXOXXXX--OOOOOX---XXX-- X; 4| 20 +24 0:00.031 7194061 232066484 e2 B5 c8 B4 b8 C5 a5 WARNING: missing best score in ---O-----XOOO-OOOXXO-OOOOXXXOOOOOXXOXO-O-XOOOX-O-XXXXOX---X-X-O- X; 5| 20 +00 0:00.031 11645316 375655355 e3 A6 h1 G6 b1 A1 a2 WARNING: missing best score in --XOOOO--X-OOO-XOOOOOOOOXO-OXXOOOXOXXOX---XXXXX----XO-XO---X-O-- O; 6| 21 +10 0:00.062 13584359 219102565 H1 f7 E8 c4 H8 g8 C8 WARNING: missing best score in -XXXX-O--OOOXO--OOOOXXO-OOOOX-X-OOXXOX--O-XXXOOOOXX---O-OOO----- O; 7| 21 +12 0:00.063 14761362 234307333 G2 f7 B6 f4 D8 h8 D7 WARNING: missing best score in OXXO-OOOOOOOOXO-XOXOXX--OXOXX-X--OXXXX--OOOOXX---XOX-X---X-X---- O; 8| 21 +20 0:00.047 13765829 292889979 A5 c8 E7 e1 F4 g5 G3 WARNING: missing best score in -X-OX-O--OOOXO---OOXXX---XXOXXXX--XXXXX--OXXOXXO-X-OX--XXXXXXX-- O; 9| 21 -22 0:00.094 28107980 299021064 C7 h5 G2 g3 H3 h1 H2 WARNING: missing best score in X--X--O-OXOX-OO---OXXO---XXOOXO-XXXXXXO--XXXOOOX-XOOOOOO---OOX-- O; 10| 21 -20 0:00.187 71460739 382142989 A3 a4 B3 c8 A8 h8 A7 WARNING: missing best score in -O--O---XXOXOXX--X-OOX--XXOOOOX--X-OO--X-XOOOOO--XXXXXXX-X-XO-OX X; 11| 22 -22 0:00.125 47449931 379599448 f8 C3 c5 A1 h6 H1 g5 WARNING: missing best score in -O-XXO----O-XOO---OOXXOXXXOXXOOO-OXXXXOX-OOOOOXXXO--O-O--O-----O X; 12| 22 +22 0:00.515 244872113 475479831 a8 D7 d2 B2 c1 H2 h1 WARNING: missing best score in O--X-OOOOOOOOXX-OXXXXXX-XXOOOOOOXXXXX-O--OOOOO----O-O-X-----O--- X; 13| 22 -16 0:00.422 236373512 560126806 c1 B1 e1 A6 f5 H8 h5 WARNING: missing best score in --XXXX--XXX-XO---XOXOX--OOXOX----OOXOOO-OO-XXOXX-O-XOO----OOOOOO X; 14| 22 -24 0:00.125 38281052 306248416 c6 A3 f4 G4 h4 H5 a8 WARNING: missing best score in -OX-XO--OOXXOO---OXOXOXOXOOXOX-X-OXOOXX---OOXXX---OOX-X--O--X--X X; 15| 22 +22 0:00.109 38727062 355294147 a1 G4 a3 B6 f7 H5 d8 WARNING: missing best score in ----XXXOO-X-XXX--OXXXXX-OOXXXXXX-OXXXXX--O-OOOOO---X-X---OOO-X-- O; 16| 23 +00 0:00.109 38406599 352354119 B2 h5 C1 a3 D1 a6 H2 ---+------+-----+--------------+-------------+----------+--------------------- \Documents\eval: 1185776210 nodes in 0:02.608 (454668792 nodes/s). 16 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 --O---O----OOO--OOOOOOX--OOOOXO-OOOOXXXOOXXXXOXXO---XXXX---XXXXO X; # | depth|score| time | nodes (N) | N/s | principal variation ---+------+-----+--------------+-------------+----------+--------------------- 1| 20 +20 0:00.032 4204863 131401969 a4 C8 a8 D7 c7 G2 a2 WARNING: missing best score in O-XXXXX--OXXX--XX-OOX-X--XOOOXXOOOXOOOOO--OX-XO---OXX-O--OXX--OX X; 2| 20 -02 0:00.032 10227418 319606812 h7 E6 f8 F7 h6 H3 e8 WARNING: missing best score in X-O------XO-OOO-OOXOXOO-OOOXOXO-OOXOXXOXO-XXOXO--OOXOOO-----XOO- X; 3| 20 +38 0:00.609 351770348 577619619 d8 B6 c8 D2 a8 A7 b8 WARNING: missing best score in ---XXXXX-O-X-XXX--OXOXOX--XXXXOX---XOXOXXXXOXXXX--OOOOOX---XXX-- X; 4| 20 +24 0:00.031 7294306 235300194 e2 B5 c8 B4 b8 C5 a5 WARNING: missing best score in ---O-----XOOO-OOOXXO-OOOOXXXOOOOOXXOXO-O-XOOOX-O-XXXXOX---X-X-O- X; 5| 20 +00 0:00.031 11158255 359943710 e3 A6 h1 G6 b1 A1 a2 WARNING: missing best score in --XOOOO--X-OOO-XOOOOOOOOXO-OXXOOOXOXXOX---XXXXX----XO-XO---X-O-- O; 6| 21 +10 0:00.047 13338636 283800766 H1 f7 E8 c4 H8 g8 C8 WARNING: missing best score in -XXXX-O--OOOXO--OOOOXXO-OOOOX-X-OOXXOX--O-XXXOOOOXX---O-OOO----- O; 7| 21 +12 0:00.046 18896555 410794674 G2 f7 B6 f4 D8 h8 D7 WARNING: missing best score in OXXO-OOOOOOOOXO-XOXOXX--OXOXX-X--OXXXX--OOOOXX---XOX-X---X-X---- O; 8| 21 +20 0:00.047 13844799 294570191 A5 c8 E7 e1 F4 g5 G3 WARNING: missing best score in -X-OX-O--OOOXO---OOXXX---XXOXXXX--XXXXX--OXXOXXO-X-OX--XXXXXXX-- O; 9| 21 -22 0:00.094 30210482 321388106 C7 h5 G2 g3 H3 h1 H2 WARNING: missing best score in X--X--O-OXOX-OO---OXXO---XXOOXO-XXXXXXO--XXXOOOX-XOOOOOO---OOX-- O; 10| 21 -20 0:00.187 86351515 461772807 A3 a4 B3 c8 A8 h8 A7 WARNING: missing best score in -O--O---XXOXOXX--X-OOX--XXOOOOX--X-OO--X-XOOOOO--XXXXXXX-X-XO-OX X; 11| 22 -22 0:00.125 47275872 378206976 f8 C3 c5 A1 h6 H1 g5 WARNING: missing best score in -O-XXO----O-XOO---OOXXOXXXOXXOOO-OXXXXOX-OOOOOXXXO--O-O--O-----O X; 12| 22 +22 0:00.547 266878803 487895435 d2 B2 c1 H2 h1 G1 a8 WARNING: missing best score in O--X-OOOOOOOOXX-OXXXXXX-XXOOOOOOXXXXX-O--OOOOO----O-O-X-----O--- X; 13| 22 -16 0:00.438 241985783 552478957 c1 B1 e1 A6 f5 H8 h5 WARNING: missing best score in --XXXX--XXX-XO---XOXOX--OOXOX----OOXOOO-OO-XXOXX-O-XOO----OOOOOO X; 14| 22 -24 0:00.125 39639600 317116800 c6 A3 f4 G4 h4 H5 a8 WARNING: missing best score in -OX-XO--OOXXOO---OXOXOXOXOOXOX-X-OXOOXX---OOXXX---OOX-X--O--X--X X; 15| 22 +22 0:00.110 44149470 401358818 a1 G4 a3 B6 f7 H5 d8 WARNING: missing best score in ----XXXOO-X-XXX--OXXXXX-OOXXXXXX-OXXXXX--O-OOOOO---X-X---OOO-X-- O; 16| 23 +00 0:00.109 39242190 360020092 B2 h5 C1 a3 D1 a6 H2 ---+------+-----+--------------+-------------+----------+--------------------- \Documents\eval: 1226468895 nodes in 0:02.610 (469911454 nodes/s). 16 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 --O---O----OOO--OOOOOOX--OOOOXO-OOOOXXXOOXXXXOXXO---XXXX---XXXXO X; # | depth|score| time | nodes (N) | N/s | principal variation ---+------+-----+--------------+-------------+----------+--------------------- 1| 20 +20 0:00.015 4179867 278657800 a4 C8 a8 D7 c7 G2 a2 WARNING: missing best score in O-XXXXX--OXXX--XX-OOX-X--XOOOXXOOOXOOOOO--OX-XO---OXX-O--OXX--OX X; 2| 20 -02 0:00.032 10436220 326131875 h7 E6 f8 F7 h6 H3 e8 WARNING: missing best score in X-O------XO-OOO-OOXOXOO-OOOXOXO-OOXOXXOXO-XXOXO--OOXOOO-----XOO- X; 3| 20 +38 0:00.610 355952976 583529469 d8 B6 c8 D2 a8 A7 b8 WARNING: missing best score in ---XXXXX-O-X-XXX--OXOXOX--XXXXOX---XOXOXXXXOXXXX--OOOOOX---XXX-- X; 4| 20 +24 0:00.031 7394277 238525065 e2 B5 c8 B4 b8 C5 a5 WARNING: missing best score in ---O-----XOOO-OOOXXO-OOOOXXXOOOOOXXOXO-O-XOOOX-O-XXXXOX---X-X-O- X; 5| 20 +00 0:00.047 11423243 243047723 e3 A6 h1 G6 b1 A1 a2 WARNING: missing best score in --XOOOO--X-OOO-XOOOOOOOOXO-OXXOOOXOXXOX---XXXXX----XO-XO---X-O-- O; 6| 21 +10 0:00.047 13793135 293470957 H1 f7 E8 c4 H8 g8 C8 WARNING: missing best score in -XXXX-O--OOOXO--OOOOXXO-OOOOX-X-OOXXOX--O-XXXOOOOXX---O-OOO----- O; 7| 21 +12 0:00.063 17059575 270786905 G2 f7 B6 f4 D8 h8 D7 WARNING: missing best score in OXXO-OOOOOOOOXO-XOXOXX--OXOXX-X--OXXXX--OOOOXX---XOX-X---X-X---- O; 8| 21 +20 0:00.047 13646052 290341532 A5 c8 E7 e1 F4 g5 G3 WARNING: missing best score in -X-OX-O--OOOXO---OOXXX---XXOXXXX--XXXXX--OXXOXXO-X-OX--XXXXXXX-- O; 9| 21 -22 0:00.093 30324177 326066419 C7 h5 G2 g3 H3 h1 H2 WARNING: missing best score in X--X--O-OXOX-OO---OXXO---XXOOXO-XXXXXXO--XXXOOOX-XOOOOOO---OOX-- O; 10| 21 -20 0:00.203 88179811 434383305 A3 a4 B3 c8 A8 h8 A7 WARNING: missing best score in -O--O---XXOXOXX--X-OOX--XXOOOOX--X-OO--X-XOOOOO--XXXXXXX-X-XO-OX X; 11| 22 -22 0:00.125 47282834 378262672 f8 C3 c5 A1 h6 H1 g5 WARNING: missing best score in -O-XXO----O-XOO---OOXXOXXXOXXOOO-OXXXXOX-OOOOOXXXO--O-O--O-----O X; 12| 22 +22 0:00.609 303877155 498977266 d2 B2 c1 H2 h1 G1 a8 WARNING: missing best score in O--X-OOOOOOOOXX-OXXXXXX-XXOOOOOOXXXXX-O--OOOOO----O-O-X-----O--- X; 13| 22 -16 0:00.422 239802197 568251652 c1 B1 e1 A6 f5 H8 h5 WARNING: missing best score in --XXXX--XXX-XO---XOXOX--OOXOX----OOXOOO-OO-XXOXX-O-XOO----OOOOOO X; 14| 22 -24 0:00.125 39989753 319918024 c6 A3 f4 G4 h4 H5 g3 WARNING: missing best score in -OX-XO--OOXXOO---OXOXOXOXOOXOX-X-OXOOXX---OOXXX---OOX-X--O--X--X X; 15| 22 +22 0:00.110 42095644 382687673 a1 G4 a3 B6 f7 H5 d8 WARNING: missing best score in ----XXXOO-X-XXX--OXXXXX-OOXXXXXX-OXXXXX--O-OOOOO---X-X---OOO-X-- O; 16| 23 +00 0:00.094 38223799 406636160 B2 h5 C1 a3 D1 a6 H2 ---+------+-----+--------------+-------------+----------+--------------------- \Documents\eval: 1263660715 nodes in 0:02.673 (472749987 nodes/s). 16 positions; 0 erroneous move; 0 erroneous score; mean absolute score error = 0.000; mean absolute move error = 0.000