Kolesnikov Aleksandr
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date Sept. 2, 2026 (latest changes Sept. 2, 2026).
202 place (292.87).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41
p1 = (207.79 * 3.45 * 0.86 + 432.43 * 3.40 * 1 + 900 * 1.70 * 1 + 64.52 * 1.80 * 1 + 0) / (3.45 * 0.86 + 3.40 * 1 + 1.70 * 1 + 1.80 * 1 + 1) = 343.6346797617573
p2 = (900 * 1.70 * 1 + 432.43 * 3.40 * 1 + 207.79 * 3.45 * 0.86 + 64.52 * 1.80 * 1) / max_coefficients = 242.10512654120703
score = 343.6346797617573 * 0.5 + 242.10512654120703 * 0.5 = 292.86990315148216
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-09-01 | 205 -> 202 | 292.87 | |
| 2026-08-31 | 205 | 292.84 -> 292.87 |
SPB Riichi Open 2025: 100% -> 86% |
| 2026-08-30 | 203 -> 205 | 292.84 | |
| 2026-08-27 | 202 -> 203 | 292.84 | |
| 2026-08-16 | 196 -> 202 | 292.84 | |
| 2026-08-15 | 196 | 291.93 -> 292.84 | |
| 2026-08-13 | 199 -> 196 | 291.93 | |
| 2026-08-04 | 202 -> 199 | 291.93 | |
| 2026-08-02 | 199 -> 202 | 291.93 | |
| 2026-07-26 | 200 -> 199 | 291.93 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 65 |
|
30/32 | 100% | 1.80 | RR | Seihoku Summer Tournament 2026 | Saint Petersburg | |
| 2 | 900 |
|
4/31 | 100% | 1.70 | RR | Seihoku spring tournament 2026 | Saint Petersburg | |
| 3 | 432 |
|
43/75 | 100% | 3.40 | RR | White Wolf Cup 2026 | Saint Petersburg | |
| 4 | 208 |
|
62/78 | 86% | 3.45 | RR | SPB Riichi Open 2025 | Saint Petersburg |