Konovalov Mikhail
From Saint Petersburg, Russia
EMA: 15990310
Internal rating (RR)
Rating date Sept. 5, 2025 (latest changes Sept. 3, 2025).
69 place (519.05).
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 * 0.57 + 101.27 * 3.65 * 0.86 + 873.68 * 3.85 * 0.86 + 359.55 * 3.75 * 1 + 474.58 * 3.25 * 1 + 257.14 * 1.90 * 1 + 740.26 * 3.45 * 1) / (2.10 * 0.57 + 3.65 * 0.86 + 3.85 * 0.86 + 3.75 * 1 + 3.25 * 1 + 1.90 * 1 + 3.45 * 1) = 475.426452546502
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 = 475.426452546502 * 0.5 + 562.675 * 0.5 = 519.050726273251
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-09-03 | 69 | 514.52 -> 519.05 |
SPB Riichi Open 2023: 14% -> 0% |
| 2025-09-01 | 65 -> 69 | 528.24 -> 514.52 |
SPB Riichi Open 2024: 100% -> 86% |
| 2025-08-31 | 93 -> 65 | 434.57 -> 528.24 |
SPB Riichi Open 2025: 0% -> 100% |
| 2025-08-09 | 94 -> 93 | 434.57 | |
| 2025-08-04 | 95 -> 94 | 427.75 -> 434.57 |
Riichi over Volga: 100% -> 86% |
| 2025-08-03 | 94 -> 95 | 427.75 | |
| 2025-07-30 | 94 | 426.84 -> 427.75 |
Seihoku spring tournament 2024: 71% -> 57% |
| 2025-07-13 | 92 -> 94 | 426.84 | |
| 2025-07-12 | 94 -> 92 | 422.73 -> 426.84 | |
| 2025-07-03 | 96 -> 94 | 418.76 -> 422.73 |
SPB Riichi Open 2023: 29% -> 14% |