Konovalov Mikhail
From Saint Petersburg, Russia
EMA: 15990310
Common russian riichi rating (CRR)
Rating date Aug. 8, 2025 (latest changes Aug. 4, 2025).
102 place (434.57).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2
p1 = (149.53 * 4 * 0.14 + 304.35 * 2.10 * 0.57 + 101.27 * 3.65 * 0.86 + 873.68 * 3.85 * 1 + 359.55 * 3.75 * 1 + 474.58 * 3.25 * 1 + 257.14 * 1.90 * 1) / (4 * 0.14 + 2.10 * 0.57 + 3.65 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.25 * 1 + 1.90 * 1) = 425.5194984916392
p2 = (873.68 * 3.85 * 1 + 474.58 * 3.25 * 1 + 359.55 * 3.75 * 1 + 257.14 * 1.90 * 1) / max_coefficients = 443.6138157894736
score = 425.5194984916392 * 0.5 + 443.6138157894736 * 0.5 = 434.5666571405564
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2025-08-04 | 105 -> 102 | 427.75 -> 434.57 |
Riichi over Volga: 100% -> 86% |
2025-08-03 | 104 -> 105 | 427.75 | |
2025-07-30 | 104 | 426.84 -> 427.75 |
Seihoku spring tournament 2024: 71% -> 57% |
2025-07-26 | 103 -> 104 | 426.84 | |
2025-07-13 | 99 -> 103 | 426.84 | |
2025-07-12 | 103 -> 99 | 422.73 -> 426.84 | |
2025-07-03 | 104 -> 103 | 418.76 -> 422.73 |
SPB Riichi Open 2023: 29% -> 14% |
2025-06-26 | 105 -> 104 | 418.76 | |
2025-06-15 | 100 -> 105 | 425.14 -> 418.76 | |
2025-06-14 | 98 -> 100 | 425.14 |