Gilmutdinov Iskander
From Ufa, Russia
Common russian riichi rating (CRR)
Rating date June 27, 2025 (latest changes June 27, 2025).
185 place (257.48).
how we calculated rating score
max_coefficients = (4.10 * 1 + 4.60 * 0.86 + 3.85 * 1 + 3.75 * 1) = 15.64266
p1 = (466.67 * 1.20 * 1 + 894.74 * 1.90 * 1 + 0 + 0 + 0) / (1.20 * 1 + 1.90 * 1 + 1 + 1 + 1) = 370.49180327868856
p2 = (894.74 * 1.90 * 1 + 466.67 * 1.20 * 1) / max_coefficients = 144.4767066470792
score = 370.49180327868856 * 0.5 + 144.4767066470792 * 0.5 = 257.4842549628839
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-06-15 | 178 -> 185 | 259.62 -> 257.48 | |
| 2025-06-14 | 175 -> 178 | 259.62 | |
| 2025-06-11 | 182 -> 175 | 259.62 | |
| 2025-06-09 | 183 -> 182 | 259.62 | |
| 2025-05-30 | 184 -> 183 | 259.62 | |
| 2025-05-17 | 182 -> 184 | 259.62 | |
| 2025-05-12 | 182 | 256.54 -> 259.62 | |
| 2025-05-03 | 178 -> 182 | 256.54 | |
| 2025-04-27 | 174 -> 178 | 256.54 | |
| 2025-04-26 | 171 -> 174 | 256.54 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 895 |
|
🥉 | 3/20 | 100% | 1.90 | CRR | Martenho's Spring tournament | Ufa |
| 2 | 467 |
|
9/16 | 100% | 1.20 | CRR | Martenho's New Year's Eve tournament | Ufa |