Bretslavskii Viktor
From Megion, Russia
Internal rating (RR)
Rating date Dec. 11, 2024 (latest changes Dec. 11, 2024).
86 place (394.60).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (78.43 * 3.05 * 1 + 411.21 * 4.60 * 1 + 446.81 * 2.80 * 1 + 392.41 * 3.65 * 1 + 516.85 * 3.75 * 1) / (3.05 * 1 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1 + 3.75 * 1) = 378.28291316526605
p2 = (516.85 * 3.75 * 1 + 411.21 * 4.60 * 1 + 392.41 * 3.65 * 1 + 446.81 * 2.80 * 1) / max_coefficients = 410.9230283911672
score = 378.28291316526605 * 0.5 + 410.9230283911672 * 0.5 = 394.6029707782166
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-12-11 | 88 -> 86 | 394.60 | |
| 2024-11-06 | 89 -> 88 | 391.27 -> 394.60 |
IX Russian Riichi Championship: 14% -> 0% |
| 2024-11-03 | 90 -> 89 | 391.27 | |
| 2024-10-13 | 103 -> 90 | 322.29 -> 391.27 |
Moscow Riichi 2024: 0% -> 100% |
| 2024-10-11 | 105 -> 103 | 322.29 | |
| 2024-09-06 | 107 -> 105 | 319.13 -> 322.29 |
IX Russian Riichi Championship: 29% -> 14% |
| 2024-09-03 | 107 | 313.63 -> 319.13 | |
| 2024-09-01 | 95 -> 107 | 321.45 -> 313.63 | |
| 2024-08-11 | 95 | 319.78 -> 321.45 | |
| 2024-08-04 | 105 -> 95 | 262.65 -> 319.78 |
Riichi over Volga: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 517 |
|
44/90 | 100% | 3.75 | RR | Moscow Riichi 2024 | Moscow | |
| 2 | 392 |
|
49/80 | 100% | 3.65 | RR | Riichi over Volga | Samara | |
| 3 | 447 |
|
27/48 | 100% | 2.80 | RR | Guardian of the Winds | Yekaterinburg | |
| 4 | 411 |
|
64/108 | 100% | 4.60 | RR | X Russian Championship | Perm | |
| 5 | 78 |
|
48/52 | 100% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow | |
| 6 | 173 |
|
63/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm |