Novikov Anton
Winner Yoroshiku League 2 Winner Kawa-league 2
From Saint Petersburg, Russia
EMA: 15990255
Common russian riichi rating (CRR)
Rating date May 9, 2026 (latest changes May 7, 2026).
18 place (690.90).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85
p1 = (600 * 3.85 * 0.29 + 43.48 * 2.80 * 0.57 + 983.05 * 3.25 * 0.71 + 1000 * 1.90 * 0.86 + 277.78 * 2 * 1 + 766.23 * 3.45 * 1 + 870.97 * 3 * 1 + 840 * 3.10 * 1 + 500 * 1.70 * 1) / (3.85 * 0.29 + 2.80 * 0.57 + 3.25 * 0.71 + 1.90 * 0.86 + 2 * 1 + 3.45 * 1 + 3 * 1 + 3.10 * 1 + 1.70 * 1) = 698.8059696992385
p2 = (766.23 * 3.45 * 1 + 870.97 * 3 * 1 + 840 * 3.10 * 1 + 983.05 * 3.25 * 0.71) / max_coefficients = 682.9993265993267
score = 698.8059696992385 * 0.5 + 682.9993265993267 * 0.5 = 690.9026481492826
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-05-03 | 18 | 688.62 -> 690.90 | |
| 2026-05-01 | 19 -> 18 | 687.29 -> 688.62 |
SPB Riichi Open 2024: 43% -> 29% |
| 2026-04-26 | 18 -> 19 | 689.28 -> 687.29 |
Seihoku spring tournament 2025: 100% -> 86% |
| 2026-04-16 | 16 -> 18 | 707.64 -> 689.28 |
White Wolf Cup: 86% -> 71% |
| 2026-04-13 | 17 -> 16 | 707.64 | |
| 2026-04-11 | 19 -> 17 | 689.94 -> 707.64 |
Seihoku spring tournament 2026: 0% -> 100% |
| 2026-04-05 | 27 -> 19 | 653.15 -> 689.94 |
Moscow Riichi 2026: 0% -> 100% |
| 2026-04-04 | 28 -> 27 | 653.15 | |
| 2026-04-02 | 29 -> 28 | 653.15 | |
| 2026-04-01 | 31 -> 29 | 647.19 -> 653.15 |
Riichi never changing: 71% -> 57% |