Here is a 2 ply tree of all the CGOS games. The winning percentage now is ALWAYS from the point of view of the player making the given move.
Some interesting factoids: 1. E5 looks like a winning move, but if white responds C5 (the fourth popular move) then White wins more games. 2. Presumably moving next to E5 is not a very good move statistically. 3. A1 as black, if answered by E5 has never lost on CGOS after 81 tries. 4. If you play D5 on your first move, you better hope your opponent doesn't play F5 because it won 67.3% of the time out of 13,392 games. E5 58.1% 97345 | C4 46.2% 25655 | D5 27.9% 17640 | D4 38.3% 17617 | C5 52.7% 16706 | C3 48.4% 15568 | B4 26.9% 1511 | B5 29.4% 1169 | B3 19.0% 858 | B2 12.0% 166 | A3 2.4% 83 | A4 5.2% 77 | A2 7.5% 67 | A5 2.6% 38 | A1 0.0% 12 D5 47.4% 60903 | F5 67.3% 13392 | F4 60.7% 9223 | E5 52.4% 7332 | E4 49.3% 6291 | G4 53.9% 4153 | F3 49.7% 3362 | D4 37.2% 2799 | G5 58.6% 2430 | G3 32.5% 1943 | D3 46.0% 1649 | E3 45.3% 1630 | C3 29.0% 1491 | C4 41.9% 1320 | C5 31.8% 544 | E2 32.3% 356 | H4 36.9% 355 | F2 32.6% 285 | D2 25.4% 260 | B4 22.7% 255 | H5 43.5% 214 | G2 24.6% 195 | H3 24.9% 185 | B3 19.6% 179 | B5 28.4% 162 | C2 24.4% 135 | B2 15.0% 107 | H2 11.9% 101 | F1 13.5% 37 | G1 5.6% 36 | J4 11.4% 35 | J3 9.7% 31 | A3 3.4% 29 | D1 14.3% 28 | J2 11.1% 27 | A4 11.5% 26 | C1 4.0% 25 | H1 16.7% 24 | B1 10.0% 20 | A2 0.0% 19 | J5 14.3% 14 | E1 8.3% 12 | A5 0.0% 11 | A1 0.0% 11 | J1 12.5% 8 D4 48.0% 45559 | E5 61.5% 8958 | E6 56.5% 7843 | F6 64.7% 5109 | F7 51.0% 4153 | D5 39.1% 3458 | D6 52.3% 3248 | G7 54.4% 2046 | E7 49.6% 1818 | C6 52.1% 1749 | C7 33.1% 1491 | D7 51.2% 1446 | C5 37.1% 734 | C3 37.2% 710 | C4 25.4% 598 | F8 27.7% 249 | E8 31.9% 238 | D8 26.3% 190 | B6 22.2% 189 | B5 28.1% 185 | B4 19.9% 161 | G8 23.4% 137 | B3 15.2% 99 | C8 18.9% 95 | B7 21.1% 95 | B8 14.1% 64 | B2 20.5% 44 | H8 15.2% 33 | G9 3.1% 32 | F9 6.2% 32 | A7 0.0% 25 | A3 4.2% 24 | C9 5.0% 20 | A4 5.0% 20 | A5 5.3% 19 | A8 10.5% 19 | E9 16.7% 18 | D9 11.8% 17 | B9 6.7% 15 | H9 7.7% 13 | A2 0.0% 12 | A6 8.3% 12 | A9 0.0% 8 | J9 0.0% 6 | A1 0.0% 6 C4 38.6% 27562 | E5 69.6% 3673 | F5 70.7% 2348 | D5 71.3% 2239 | F6 70.0% 2178 | E6 65.3% 1530 | E4 64.7% 1367 | G6 58.9% 1313 | F4 63.9% 1105 | G7 55.1% 1005 | F7 59.9% 954 | D4 62.8% 811 | F3 64.6% 807 | G3 46.7% 719 | D6 60.0% 658 | G5 65.1% 650 | E3 62.3% 607 | C7 36.9% 504 | C6 57.0% 453 | C3 31.9% 452 | G4 56.2% 379 | C5 52.4% 357 | E7 55.4% 343 | D3 53.5% 299 | D7 52.8% 269 | H5 61.7% 128 | D8 44.6% 121 | E8 49.1% 114 | H6 50.9% 110 | H7 46.8% 109 | G8 41.3% 104 | E2 42.3% 104 | D2 46.1% 102 | B4 49.0% 100 | B5 43.9% 98 | F8 44.3% 97 | H3 43.2% 95 | H4 45.2% 93 | F2 47.8% 90 | B6 47.5% 80 | G2 36.7% 79 | B7 37.2% 78 | B3 50.6% 77 | C8 37.3% 75 | C2 47.3% 74 | H2 57.1% 70 | B2 39.7% 68 | H8 43.3% 67 | B8 45.5% 66 | F9 18.8% 16 | J7 7.1% 14 | A4 15.4% 13 | A3 25.0% 12 | C9 18.2% 11 | D9 27.3% 11 | G1 27.3% 11 | J3 44.4% 9 | A6 33.3% 9 | C1 22.2% 9 | E1 22.2% 9 | E9 33.3% 9 | A7 12.5% 8 | D1 12.5% 8 | J4 12.5% 8 | B9 0.0% 8 | F1 42.9% 7 | J2 28.6% 7 | A5 16.7% 6 | G9 0.0% 6 | J5 33.3% 6 | A1 20.0% 5 | H9 0.0% 5 | A2 0.0% 5 | J9 0.0% 5 | A8 20.0% 5 | A9 0.0% 5 | B1 25.0% 4 | J6 25.0% 4 | H1 0.0% 4 | J8 0.0% 3 | J1 0.0% 3 C3 28.2% 15503 | E5 77.0% 1793 | E6 77.3% 1785 | D4 83.1% 1237 | F7 74.8% 1222 | D5 77.0% 1156 | C7 49.3% 1107 | F6 80.1% 1106 | D6 78.1% 1087 | G7 60.2% 984 | D7 69.1% 621 | C6 74.1% 541 | E7 77.3% 463 | C5 67.3% 440 | C4 72.7% 403 | F8 69.3% 127 | E8 63.2% 125 | B3 60.0% 125 | B6 73.1% 108 | B5 66.0% 106 | D8 69.6% 102 | G8 77.1% 96 | B4 63.4% 93 | C8 62.1% 87 | B7 67.1% 73 | B8 56.9% 51 | A7 23.5% 34 | G9 32.4% 34 | H8 39.4% 33 | E9 53.1% 32 | C9 30.0% 30 | A3 37.9% 29 | A6 37.0% 27 | D9 26.9% 26 | B9 40.0% 25 | A4 47.8% 23 | F9 26.1% 23 | B2 43.5% 23 | A2 54.5% 22 | A5 40.0% 20 | H9 33.3% 15 | A8 46.2% 13 | A9 50.0% 6 | A1 60.0% 5 | J9 66.7% 3 C5 44.3% 15470 | F5 69.5% 2633 | E5 59.8% 2493 | F4 60.5% 1755 | E4 59.7% 1642 | G4 58.6% 1239 | F3 51.7% 1146 | D5 55.0% 816 | D4 55.0% 778 | G3 28.3% 438 | G5 58.8% 413 | C3 22.4% 362 | E3 40.2% 341 | D3 42.0% 286 | C4 36.3% 237 | H4 36.7% 90 | E2 31.8% 88 | H5 39.0% 77 | F2 31.9% 72 | B4 39.4% 66 | D2 38.3% 60 | G2 33.9% 56 | C2 46.3% 41 | B5 47.5% 40 | H3 25.0% 40 | B3 22.9% 35 | B2 25.7% 35 | H2 25.0% 24 | G1 6.7% 15 | A4 0.0% 11 | J3 9.1% 11 | C1 20.0% 10 | F1 10.0% 10 | J2 11.1% 9 | A3 44.4% 9 | H1 22.2% 9 | D1 11.1% 9 | B1 20.0% 5 | E1 0.0% 5 | J1 0.0% 4 | J4 0.0% 3 | A1 0.0% 2 | A2 0.0% 2 | J5 0.0% 2 | A5 0.0% 1 B4 28.7% 4581 | E5 84.8% 1037 | F5 84.1% 295 | E6 84.6% 201 | E4 83.2% 197 | G6 66.5% 176 | F6 85.3% 163 | D5 82.1% 162 | D7 65.0% 143 | D4 81.2% 138 | F4 77.5% 138 | D6 77.2% 127 | G4 65.6% 125 | C4 82.1% 123 | F7 65.5% 113 | C3 41.8% 110 | G7 44.1% 102 | G3 34.0% 100 | F3 59.8% 92 | C7 42.4% 92 | G5 73.3% 86 | C5 80.0% 65 | E7 75.4% 61 | C6 58.0% 50 | E3 70.2% 47 | D3 54.3% 46 | H5 60.5% 38 | E2 46.9% 32 | H6 53.3% 30 | B6 57.7% 26 | B3 65.4% 26 | D2 60.0% 25 | F8 64.0% 25 | F2 56.0% 25 | H4 37.5% 24 | B5 70.8% 24 | D8 73.9% 23 | H3 38.1% 21 | G8 75.0% 20 | H8 66.7% 18 | H2 55.6% 18 | E8 47.1% 17 | C2 37.5% 16 | G2 25.0% 12 | B7 66.7% 12 | C8 54.5% 11 | F9 10.0% 10 | B8 33.3% 9 | H7 75.0% 8 | J3 0.0% 8 | B2 50.0% 8 | A7 14.3% 7 | B9 16.7% 6 | G9 20.0% 5 | C9 0.0% 5 | J8 0.0% 5 | A5 20.0% 5 | J7 25.0% 4 | J5 0.0% 4 | D9 50.0% 4 | A8 0.0% 4 | A3 25.0% 4 | F1 0.0% 4 | H9 0.0% 3 | C1 0.0% 3 | E1 66.7% 3 | J6 66.7% 3 | G1 0.0% 3 | B1 50.0% 2 | A6 0.0% 2 | A9 0.0% 2 | J2 0.0% 2 | A1 0.0% 2 | H1 50.0% 2 | J1 0.0% 2 | A4 0.0% 1 | J4 0.0% 1 | E9 0.0% 1 | A2 0.0% 1 | J9 100.0% 1 B3 25.8% 3105 | E5 89.3% 534 | F5 90.1% 172 | F6 91.4% 140 | E6 88.6% 132 | E4 90.2% 132 | F7 79.4% 126 | D5 83.8% 117 | G6 77.3% 110 | G7 60.0% 105 | G4 73.3% 105 | D7 72.0% 100 | C3 43.6% 94 | D6 81.5% 92 | G3 39.5% 86 | C7 40.0% 85 | F4 90.9% 77 | D4 85.5% 69 | C4 62.3% 53 | G5 77.1% 48 | C6 66.7% 48 | C5 86.4% 44 | F3 70.0% 40 | D3 70.0% 40 | E3 82.4% 34 | E7 87.5% 32 | B2 64.5% 31 | B4 57.1% 28 | H3 64.0% 25 | H4 62.5% 24 | B5 50.0% 24 | F8 60.0% 20 | H7 72.2% 18 | C8 58.8% 17 | H5 41.2% 17 | E2 76.5% 17 | B6 75.0% 16 | F2 40.0% 15 | D2 78.6% 14 | H2 64.3% 14 | H6 58.3% 12 | G2 58.3% 12 | E8 58.3% 12 | D8 80.0% 10 | B7 55.6% 9 | G8 66.7% 9 | C2 66.7% 9 | H8 88.9% 9 | G1 33.3% 9 | J7 12.5% 8 | H9 0.0% 8 | F9 25.0% 8 | D1 0.0% 7 | B8 57.1% 7 | A2 16.7% 6 | A7 0.0% 5 | D9 40.0% 5 | C9 0.0% 4 | J4 25.0% 4 | A3 25.0% 4 | J3 0.0% 4 | J5 25.0% 4 | J8 50.0% 4 | J6 0.0% 4 | F1 33.3% 3 | G9 0.0% 3 | J2 50.0% 2 | E1 0.0% 2 | H1 0.0% 2 | J1 0.0% 2 | A1 0.0% 1 | B1 100.0% 1 | A8 0.0% 1 | E9 0.0% 1 | A6 0.0% 1 | B9 0.0% 1 | A4 0.0% 1 | J9 0.0% 1 B5 32.8% 2680 | E5 81.3% 546 | E4 81.1% 217 | F5 83.9% 217 | F4 77.0% 178 | D4 78.0% 177 | G4 60.7% 168 | F3 62.3% 154 | G3 36.9% 130 | D5 72.8% 125 | C3 28.2% 103 | G5 73.9% 92 | C5 78.5% 79 | D3 55.7% 61 | C4 59.6% 57 | E3 73.2% 56 | F2 64.3% 28 | B4 53.6% 28 | G2 40.9% 22 | B3 33.3% 21 | H4 40.0% 20 | E2 60.0% 20 | H3 60.0% 20 | D2 47.1% 17 | H2 33.3% 15 | H5 60.0% 15 | C2 61.5% 13 | A3 0.0% 13 | B2 30.0% 10 | G1 10.0% 10 | A4 0.0% 6 | H1 0.0% 5 | J3 0.0% 5 | F1 20.0% 5 | D1 0.0% 5 | J2 0.0% 4 | C1 0.0% 4 | J5 0.0% 4 | E1 33.3% 3 | A1 0.0% 3 | J4 0.0% 2 | A5 50.0% 2 | B1 0.0% 2 | A2 0.0% 1 B2 24.3% 1061 | E5 94.1% 153 | E6 88.7% 97 | D5 89.3% 75 | F7 77.8% 72 | C7 50.0% 72 | D7 78.1% 64 | D6 96.4% 56 | C6 80.8% 52 | E7 91.7% 36 | C5 69.7% 33 | C4 69.7% 33 | F6 93.8% 32 | G7 53.3% 30 | D4 86.7% 30 | C3 53.6% 28 | E8 64.7% 17 | B3 81.2% 16 | B7 66.7% 15 | B8 64.3% 14 | C8 42.9% 14 | D8 66.7% 12 | B4 66.7% 12 | B5 75.0% 12 | B6 50.0% 10 | G8 60.0% 10 | F8 66.7% 9 | A3 0.0% 8 | H8 57.1% 7 | C9 0.0% 5 | A6 25.0% 4 | A4 25.0% 4 | F9 0.0% 4 | A7 25.0% 4 | A2 75.0% 4 | D9 0.0% 3 | E9 50.0% 2 | B9 0.0% 2 | G9 0.0% 2 | A8 0.0% 2 | H9 0.0% 1 | A1 0.0% 1 A1 5.7% 560 | E5 100.0% 81 | D5 98.0% 49 | C7 83.3% 48 | E6 97.9% 48 | D6 100.0% 37 | C6 87.0% 23 | G7 95.2% 21 | D7 95.2% 21 | C3 90.5% 21 | E7 94.7% 19 | B4 88.2% 17 | C5 100.0% 17 | D4 87.5% 16 | F7 93.3% 15 | F6 92.9% 14 | C8 100.0% 12 | G8 72.7% 11 | E8 90.9% 11 | B5 100.0% 10 | C4 100.0% 10 | B7 100.0% 9 | B8 100.0% 9 | B3 87.5% 8 | B6 85.7% 7 | D8 100.0% 7 | B2 100.0% 4 | A3 100.0% 2 | H8 100.0% 2 | F8 100.0% 2 | A2 50.0% 2 | A4 100.0% 2 | G9 100.0% 1 | A5 100.0% 1 | A8 100.0% 1 | D9 100.0% 1 | A6 100.0% 1 A2 10.2% 509 | E5 98.4% 62 | E6 93.0% 43 | C3 75.9% 29 | C7 75.0% 28 | D5 96.2% 26 | G3 64.0% 25 | G7 83.3% 24 | E4 91.3% 23 | F5 95.5% 22 | F4 93.8% 16 | D4 100.0% 15 | E7 92.3% 13 | F6 100.0% 12 | G6 100.0% 9 | C6 100.0% 9 | E3 100.0% 9 | D6 88.9% 9 | F7 100.0% 8 | B6 100.0% 8 | G5 100.0% 7 | D7 100.0% 7 | G4 85.7% 7 | H4 100.0% 6 | D8 83.3% 6 | B3 100.0% 5 | C4 100.0% 5 | C5 100.0% 5 | B4 80.0% 5 | H3 100.0% 4 | B2 75.0% 4 | C2 75.0% 4 | F2 100.0% 4 | H5 100.0% 3 | F3 100.0% 3 | E8 100.0% 3 | F8 100.0% 3 | H6 100.0% 3 | G8 100.0% 3 | D2 66.7% 3 | D3 66.7% 3 | G2 100.0% 3 | B8 100.0% 2 | C8 100.0% 2 | A4 100.0% 2 | B7 100.0% 2 | B5 50.0% 2 | A3 0.0% 2 | H2 100.0% 2 | F9 0.0% 1 | E2 100.0% 1 | G9 100.0% 1 | A7 0.0% 1 | H7 100.0% 1 | B1 100.0% 1 | E1 100.0% 1 | G1 0.0% 1 A3 13.6% 428 | E5 96.4% 56 | E6 100.0% 26 | C3 61.9% 21 | G7 65.0% 20 | F6 94.7% 19 | E4 100.0% 17 | D5 100.0% 17 | F5 100.0% 16 | G3 68.8% 16 | C7 66.7% 15 | F4 93.3% 15 | D6 90.0% 10 | D4 100.0% 10 | B3 100.0% 9 | C4 88.9% 9 | F3 100.0% 9 | C5 100.0% 9 | D7 75.0% 8 | G4 100.0% 8 | G6 85.7% 7 | D3 85.7% 7 | H6 100.0% 7 | C6 57.1% 7 | F7 83.3% 6 | B4 83.3% 6 | E3 83.3% 6 | E7 83.3% 6 | H7 83.3% 6 | E8 100.0% 4 | B6 75.0% 4 | D8 75.0% 4 | G5 100.0% 4 | D2 100.0% 4 | F2 50.0% 4 | G8 100.0% 3 | H5 100.0% 3 | H3 100.0% 3 | B2 100.0% 3 | B5 100.0% 3 | H8 33.3% 3 | F8 100.0% 2 | E2 50.0% 2 | C2 50.0% 2 | A7 100.0% 1 | B9 0.0% 1 | J3 100.0% 1 | J6 0.0% 1 | G9 0.0% 1 | H9 100.0% 1 | A8 0.0% 1 | B8 100.0% 1 | D1 100.0% 1 A4 15.0% 401 | E5 100.0% 46 | B4 88.5% 26 | E4 100.0% 25 | F5 100.0% 23 | G7 75.0% 20 | E6 100.0% 20 | C7 61.1% 18 | C3 37.5% 16 | G3 40.0% 15 | F6 92.9% 14 | F4 91.7% 12 | D5 100.0% 11 | F3 100.0% 9 | D4 87.5% 8 | C4 100.0% 7 | C5 100.0% 7 | D6 85.7% 7 | D7 100.0% 7 | C6 85.7% 7 | D3 100.0% 7 | G5 85.7% 7 | G6 85.7% 7 | F7 60.0% 5 | E2 80.0% 5 | E3 100.0% 4 | G4 100.0% 4 | E7 100.0% 4 | H6 100.0% 4 | F2 100.0% 4 | G2 75.0% 4 | G9 33.3% 3 | B2 100.0% 3 | D2 100.0% 3 | H5 66.7% 3 | B5 100.0% 3 | E8 66.7% 3 | H2 100.0% 3 | B6 50.0% 2 | B7 100.0% 2 | B8 100.0% 2 | G8 0.0% 2 | H7 100.0% 2 | H3 100.0% 2 | D8 100.0% 1 | B9 100.0% 1 | F8 100.0% 1 | A8 0.0% 1 | H4 100.0% 1 | A3 0.0% 1 | H8 100.0% 1 | C9 0.0% 1 | C8 100.0% 1 | C1 100.0% 1 | G1 0.0% 1 A5 15.9% 195 | E5 96.2% 26 | G3 78.3% 23 | F5 100.0% 16 | E4 100.0% 12 | F3 58.3% 12 | D4 83.3% 12 | C3 72.7% 11 | G4 55.6% 9 | D3 77.8% 9 | E3 100.0% 9 | B5 66.7% 6 | C5 100.0% 5 | D5 100.0% 5 | B3 100.0% 5 | F4 100.0% 5 | H4 100.0% 4 | G2 75.0% 4 | B4 100.0% 3 | C4 100.0% 3 | H3 100.0% 3 | C1 0.0% 2 | H2 100.0% 2 | F1 0.0% 2 | G5 100.0% 2 | J3 100.0% 1 | A4 0.0% 1 | A2 0.0% 1 | B2 100.0% 1 | D2 100.0% 1 Don Dailey wrote: > Here are the statistics on all the CGOS games through January 2008 > with the winning percentages. This is from the point of the view of > the player making the move. > > The most popular move is E5 and it also is the only move with a > positive score. I consider all games regardless of how strong or how > weak the players are, or how mismatched in skill. > > The least popular move is A5, which appears to be far better than the > worst move (A1) > > E5 58.1% 97342 > D5 47.4% 60900 > D4 48.0% 45559 > C4 38.6% 27562 > C3 28.2% 15503 > C5 44.3% 15470 > B4 28.7% 4581 > B3 25.8% 3105 > B5 32.8% 2680 > B2 24.3% 1061 > A1 5.7% 560 > A2 10.2% 509 > A3 13.6% 428 > A4 15.0% 401 > A5 15.9% 195 > > - Don > > > ------------------------------------------------------------------------ > > _______________________________________________ > computer-go mailing list > [email protected] > http://www.computer-go.org/mailman/listinfo/computer-go/
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