Konovalov Mikhail
From Saint Petersburg, Russia
EMA: 15990310
Internal rating (RR)
Rating date Oct. 13, 2025 (latest changes Oct. 13, 2025).
58 place (529.44).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.50 * 1 + 3.45 * 1 + 3.85 * 0.86) = 14.349835
p1 = (304.35 * 2.10 * 0.43 + 101.27 * 3.65 * 0.71 + 873.68 * 3.85 * 0.86 + 359.55 * 3.75 * 0.86 + 474.58 * 3.25 * 1 + 257.14 * 1.90 * 1 + 740.26 * 3.45 * 1) / (2.10 * 0.43 + 3.65 * 0.71 + 3.85 * 0.86 + 3.75 * 0.86 + 3.25 * 1 + 1.90 * 1 + 3.45 * 1) = 491.9893787811376
p2 = (873.68 * 3.85 * 0.86 + 740.26 * 3.45 * 1 + 474.58 * 3.25 * 1 + 359.55 * 3.75 * 0.86) / max_coefficients = 566.899898152139
score = 491.9893787811376 * 0.5 + 566.899898152139 * 0.5 = 529.4446384666383
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-10-13 | 60 -> 58 | 525.48 -> 529.44 |
Moscow Riichi 2024: 100% -> 86% |
| 2025-10-04 | 62 -> 60 | 520.35 -> 525.48 |
Riichi over Volga: 86% -> 71% |
| 2025-09-30 | 63 -> 62 | 519.05 -> 520.35 |
Seihoku spring tournament 2024: 57% -> 43% |
| 2025-09-14 | 64 -> 63 | 519.05 | |
| 2025-09-12 | 68 -> 64 | 519.05 | |
| 2025-09-10 | 69 -> 68 | 519.05 | |
| 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 |