Bikbulatov Ruslan
From Chelyabinsk, Russia
Common russian riichi rating (CRR)
Rating date April 20, 2026 (latest changes April 19, 2026).
222 place (251.31).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (568.42 * 3.85 * 0.43 + 493.51 * 3.45 * 1 + 0 + 0 + 0) / (3.85 * 0.43 + 3.45 * 1 + 1 + 1 + 1) = 325.99063469508434
p2 = (493.51 * 3.45 * 1 + 568.42 * 3.85 * 0.43) / max_coefficients = 176.62608695652173
score = 325.99063469508434 * 0.5 + 176.62608695652173 * 0.5 = 251.30836082580305
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-04-19 | 210 -> 222 | 251.31 | |
| 2026-04-16 | 211 -> 210 | 251.31 | |
| 2026-04-13 | 214 -> 211 | 251.31 | |
| 2026-04-11 | 206 -> 214 | 251.31 | |
| 2026-04-09 | 207 -> 206 | 251.31 | |
| 2026-04-05 | 204 -> 207 | 251.31 | |
| 2026-04-04 | 205 -> 204 | 251.31 | |
| 2026-03-26 | 206 -> 205 | 251.31 | |
| 2026-03-23 | 209 -> 206 | 251.31 | |
| 2026-03-21 | 206 -> 209 | 251.31 |