Bretslavskii Viktor
From Megion, Russia
Common russian riichi rating (CRR)
Rating date Nov. 6, 2024 (latest changes Nov. 6, 2024).
99 place (396.04).
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 + 333.33 * 2.30 * 0.86 + 444.44 * 2.30 * 1 + 411.21 * 4.60 * 1 + 446.81 * 2.80 * 1 + 392.41 * 3.65 * 1 + 516.85 * 3.75 * 1) / (3.05 * 1 + 2.30 * 0.86 + 2.30 * 1 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1 + 3.75 * 1) = 381.1561058941755
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 = 381.1561058941755 * 0.5 + 410.9230283911672 * 0.5 = 396.03956714267133
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-11-05 | 103 -> 99 | 392.99 -> 396.04 |
Finding Dora: 100% -> 86% |
| 2024-11-04 | 102 -> 103 | 392.99 | |
| 2024-11-03 | 104 -> 102 | 392.99 | |
| 2024-10-13 | 115 -> 104 | 353.98 -> 392.99 |
Moscow Riichi 2024: 0% -> 100% |
| 2024-09-15 | 113 -> 115 | 353.98 | |
| 2024-09-06 | 114 -> 113 | 351.35 -> 353.98 |
IX Russian Riichi Championship: 29% -> 14% |
| 2024-09-03 | 115 -> 114 | 344.96 -> 351.35 | |
| 2024-09-01 | 101 -> 115 | 354.05 -> 344.96 | |
| 2024-08-27 | 102 -> 101 | 354.05 | |
| 2024-08-26 | 105 -> 102 | 354.05 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 517 |
|
44/90 | 100% | 3.75 | RR | Moscow Riichi 2024 |
| 2 | 392 |
|
49/80 | 100% | 3.65 | RR | Riichi over Volga |
| 3 | 447 |
|
27/48 | 100% | 2.80 | RR | Guardian of the Winds |
| 4 | 411 |
|
64/108 | 100% | 4.60 | RR | X Russian Championship |
| 5 | 78 |
|
48/52 | 100% | 3.05 | RR | Agari Spring Tournament 2024 |
| 6 | 444 |
|
16/28 | 100% | 2.30 | CRR | Chasing Kan |
| 7 | 333 |
|
19/28 | 86% | 2.30 | CRR | Finding Dora |
| 8 | 173 |
|
63/76 | 0% | 4.20 | RR | IX Russian Riichi Championship |