Kolesnikov Aleksandr
From Saint Petersburg, Russia
Internal rating (RR)
Rating date Sept. 4, 2026 (latest changes Sept. 3, 2026).
152 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 |
|---|---|---|---|
| 2026-09-03 | 154 -> 152 | 292.87 | |
| 2026-09-01 | 157 -> 154 | 292.87 | |
| 2026-08-31 | 157 | 292.84 -> 292.87 |
SPB Riichi Open 2025: 100% -> 86% |
| 2026-08-16 | 155 -> 157 | 292.84 | |
| 2026-08-15 | 156 -> 155 | 291.93 -> 292.84 | |
| 2026-08-13 | 157 -> 156 | 291.93 | |
| 2026-08-04 | 160 -> 157 | 291.93 | |
| 2026-07-25 | 157 -> 160 | 295.51 -> 291.93 |
Seihoku Summer Tournament 2026: 0% -> 100% |
| 2026-07-18 | 155 -> 157 | 295.51 | |
| 2026-07-14 | 157 -> 155 | 295.51 |
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 |