Novikov Anton
Winner Yoroshiku League 2 Winner Kawa-league 2
From Saint Petersburg, Russia
EMA: 15990255
Common russian riichi rating (CRR)
Rating date Sept. 4, 2026 (latest changes Sept. 4, 2026).
2 place (793.24).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41
p1 = (43.48 * 2.80 * 0.29 + 983.05 * 3.25 * 0.43 + 1000 * 1.90 * 0.57 + 277.78 * 2 * 0.71 + 766.23 * 3.45 * 0.86 + 870.97 * 3 * 1 + 840 * 3.10 * 1 + 500 * 1.70 * 1 + 993.01 * 4.71 * 1 + 903.23 * 1.80 * 1) / (2.80 * 0.29 + 3.25 * 0.43 + 1.90 * 0.57 + 2 * 0.71 + 3.45 * 0.86 + 3 * 1 + 3.10 * 1 + 1.70 * 1 + 4.71 * 1 + 1.80 * 1) = 797.396852167079
p2 = (993.01 * 4.71 * 1 + 870.97 * 3 * 1 + 840 * 3.10 * 1 + 766.23 * 3.45 * 0.86) / max_coefficients = 789.0791693705387
score = 797.396852167079 * 0.5 + 789.0791693705387 * 0.5 = 793.2380107688089
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-09-01 | 3 -> 2 | 790.83 -> 793.24 |
SPB Riichi Open 2024: 14% -> 0% |
| 2026-08-31 | 2 -> 3 | 801.49 -> 790.83 |
SPB Riichi Open 2025: 100% -> 86% |
| 2026-08-26 | 2 | 802.70 -> 801.49 |
Seihoku spring tournament 2025: 71% -> 57% |
| 2026-08-16 | 2 | 804.54 -> 802.70 |
White Wolf Cup: 57% -> 43% |
| 2026-08-15 | 2 | 801.57 -> 804.54 | |
| 2026-08-14 | 2 | 798.48 -> 801.57 |
Tonpu-master: 86% -> 71% |
| 2026-08-01 | 3 -> 2 | 792.35 -> 798.48 |
Riichi never changing: 43% -> 29% |
| 2026-07-25 | 3 | 787.44 -> 792.35 |
Seihoku Summer Tournament 2026: 0% -> 100% |
| 2026-07-03 | 4 -> 3 | 787.44 | |
| 2026-07-01 | 5 -> 4 | 785.43 -> 787.44 |
SPB Riichi Open 2024: 29% -> 14% |