Gilmutdinov Iskander
From Ufa, Russia
Common russian riichi rating (CRR)
Rating date March 12, 2026 (latest changes March 10, 2026).
198 place (252.62).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (466.67 * 1.20 * 0.71 + 894.74 * 1.90 * 1 + 0 + 0 + 0) / (1.20 * 0.71 + 1.90 * 1 + 1 + 1 + 1) = 364.76491881413756
p2 = (894.74 * 1.90 * 1 + 466.67 * 1.20 * 0.71) / max_coefficients = 140.46889632107025
score = 364.76491881413756 * 0.5 + 140.46889632107025 * 0.5 = 252.6169075676039
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-03-07 | 196 -> 198 | 252.62 | |
| 2026-03-05 | 197 -> 196 | 252.62 | |
| 2026-03-01 | 199 -> 197 | 252.62 | |
| 2026-02-28 | 197 -> 199 | 256.76 -> 252.62 |
Martenho's New Year's Eve tournament: 86% -> 71% |
| 2026-02-23 | 191 -> 197 | 256.76 | |
| 2026-02-13 | 192 -> 191 | 256.76 | |
| 2026-02-08 | 191 -> 192 | 256.76 | |
| 2026-01-26 | 192 -> 191 | 256.76 | |
| 2026-01-25 | 191 -> 192 | 256.76 | |
| 2026-01-12 | 192 -> 191 | 256.76 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 895 |
|
🥉 | 3/20 | 100% | 1.90 | CRR | Martenho's Spring tournament | Ufa |
| 2 | 467 |
|
9/16 | 71% | 1.20 | CRR | Martenho's New Year's Eve tournament | Ufa |