Konovalov Mikhail
From Saint Petersburg, Russia
EMA: 15990310
Common russian riichi rating (CRR)
Rating date Oct. 9, 2025 (latest changes Oct. 9, 2025).
72 place (525.48).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (304.35 * 2.10 * 0.43 + 101.27 * 3.65 * 0.71 + 873.68 * 3.85 * 0.86 + 740.26 * 3.45 * 1 + 474.58 * 3.25 * 1 + 359.55 * 3.75 * 1 + 257.14 * 1.90 * 1) / (2.10 * 0.43 + 3.65 * 0.71 + 3.85 * 0.86 + 3.45 * 1 + 3.25 * 1 + 3.75 * 1 + 1.90 * 1) = 488.2844941481197
p2 = (873.68 * 3.85 * 0.86 + 740.26 * 3.45 * 1 + 474.58 * 3.25 * 1 + 359.55 * 3.75 * 1) / max_coefficients = 562.675
score = 488.2844941481197 * 0.5 + 562.675 * 0.5 = 525.4797470740598
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-10-09 | 71 -> 72 | 525.48 | |
| 2025-10-04 | 72 -> 71 | 520.35 -> 525.48 |
Riichi over Volga: 86% -> 71% |
| 2025-09-30 | 72 | 519.05 -> 520.35 |
Seihoku spring tournament 2024: 57% -> 43% |
| 2025-09-14 | 74 -> 72 | 519.05 | |
| 2025-09-12 | 75 -> 74 | 519.05 | |
| 2025-09-10 | 76 -> 75 | 519.05 | |
| 2025-09-05 | 75 -> 76 | 519.05 | |
| 2025-09-03 | 77 -> 75 | 514.52 -> 519.05 |
SPB Riichi Open 2023: 14% -> 0% |
| 2025-09-01 | 73 -> 77 | 528.24 -> 514.52 |
SPB Riichi Open 2024: 100% -> 86% |
| 2025-08-31 | 101 -> 73 | 434.57 -> 528.24 |
SPB Riichi Open 2025: 0% -> 100% |