Li Dmitriy
From Saint Petersburg, Russia
EMA: 15990320
Common russian riichi rating (CRR)
Rating date May 14, 2025 (latest changes May 12, 2025).
150 place (307.01).
how we calculated rating score
max_coefficients = (4.60 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.19266
p1 = (934.58 * 4 * 0.29 + 557.89 * 3.85 * 1 + 0 + 0 + 0) / (4 * 0.29 + 3.85 * 1 + 1 + 1 + 1) = 402.3533680312281
p2 = (557.89 * 3.85 * 1 + 934.58 * 4 * 0.29) / max_coefficients = 211.6765596018077
score = 402.3533680312281 * 0.5 + 211.6765596018077 * 0.5 = 307.01496381651793
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-05-12 | 149 -> 150 | 302.63 -> 307.01 | |
| 2025-05-05 | 152 -> 149 | 302.63 | |
| 2025-05-03 | 134 -> 152 | 337.24 -> 302.63 |
SPB Riichi Open 2023: 43% -> 29% |
| 2025-05-01 | 135 -> 134 | 337.24 | |
| 2025-04-27 | 131 -> 135 | 337.24 | |
| 2025-04-26 | 128 -> 131 | 337.24 | |
| 2025-04-13 | 127 -> 128 | 337.24 | |
| 2025-04-11 | 128 -> 127 | 337.24 | |
| 2025-03-30 | 129 -> 128 | 337.24 | |
| 2025-03-29 | 128 -> 129 | 337.24 |