Gilmutdinov Iskander
From Ufa, Russia
Common russian riichi rating (CRR)
Rating date Nov. 4, 2025 (latest changes Nov. 4, 2025).
182 place (264.27).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.50 * 1 + 3.45 * 1 + 3.25 * 1) = 14.3
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 = 158.04195804195803
score = 370.49180327868856 * 0.5 + 158.04195804195803 * 0.5 = 264.2668806603233
Rating changes
| Date | Place | Points | Reason | 
|---|---|---|---|
| 2025-11-01 | 183 -> 182 | 263.99 -> 264.27 | |
| 2025-10-13 | 183 | 261.60 -> 263.99 | |
| 2025-09-30 | 184 -> 183 | 261.60 | |
| 2025-09-25 | 185 -> 184 | 261.60 | |
| 2025-09-14 | 186 -> 185 | 261.60 | |
| 2025-09-12 | 189 -> 186 | 261.60 | |
| 2025-09-03 | 190 -> 189 | 261.60 | |
| 2025-09-01 | 191 -> 190 | 259.59 -> 261.60 | |
| 2025-08-31 | 188 -> 191 | 259.59 | |
| 2025-08-26 | 190 -> 188 | 259.59 | 
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 |