Karimov Artur
From Ufa, Russia
Common russian riichi rating (CRR)
Rating date April 4, 2026 (latest changes April 4, 2026).
221 place (215.41).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (800 * 1.20 * 0.71 + 210.53 * 1.90 * 0.86 + 521.74 * 1.60 * 1 + 0 + 0) / (1.20 * 0.71 + 1.90 * 0.86 + 1.60 * 1 + 1 + 1) = 306.18750667554
p2 = (521.74 * 1.60 * 1 + 800 * 1.20 * 0.71 + 210.53 * 1.90 * 0.86) / max_coefficients = 124.63879598662207
score = 306.18750667554 * 0.5 + 124.63879598662207 * 0.5 = 215.41315133108105
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-03-30 | 223 -> 221 | 215.41 | |
| 2026-03-26 | 225 -> 223 | 215.41 | |
| 2026-03-23 | 225 | 215.28 -> 215.41 |
Martenho's Spring tournament: 100% -> 86% |
| 2026-03-21 | 221 -> 225 | 215.28 | |
| 2026-03-14 | 216 -> 221 | 215.28 | |
| 2026-03-12 | 217 -> 216 | 215.28 | |
| 2026-03-10 | 219 -> 217 | 215.28 | |
| 2026-03-07 | 269 -> 219 | 130.61 -> 215.28 |
Spring Martenho get-together 2026: 0% -> 100% |
| 2026-03-04 | 270 -> 269 | 130.61 | |
| 2026-02-28 | 259 -> 270 | 144.03 -> 130.61 |
Martenho's New Year's Eve tournament: 86% -> 71% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 522 |
|
12/24 | 100% | 1.60 | CRR | Spring Martenho get-together 2026 | Ufa | |
| 2 | 211 |
|
16/20 | 86% | 1.90 | CRR | Martenho's Spring tournament | Ufa | |
| 3 | 800 |
|
4/16 | 71% | 1.20 | CRR | Martenho's New Year's Eve tournament | Ufa |