Bretslavskii Viktor
From Megion, Russia
Internal rating (RR)
Rating date Feb. 11, 2025 (latest changes Feb. 11, 2025).
96 place (367.00).
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 + 0 * 3.05 * 1) / (3.05 * 1 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1 + 3.75 * 1 + 3.05 * 1) = 323.078947368421
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 = 323.078947368421 * 0.5 + 410.9230283911672 * 0.5 = 367.0009878797941
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-02-11 | 97 -> 96 | 367.00 | |
| 2025-02-02 | 89 -> 97 | 394.60 -> 367.00 |
Agari Winter Tournament 2025: 0% -> 100% |
| 2025-01-26 | 86 -> 89 | 394.60 | |
| 2025-01-07 | 84 -> 86 | 394.60 | |
| 2025-01-03 | 86 -> 84 | 394.60 | |
| 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 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 0 |
|
52/52 | 100% | 3.05 | RR | Agari Winter Tournament 2025 |
| 2 | 517 |
|
44/90 | 100% | 3.75 | RR | Moscow Riichi 2024 |
| 3 | 392 |
|
49/80 | 100% | 3.65 | RR | Riichi over Volga |
| 4 | 447 |
|
27/48 | 100% | 2.80 | RR | Guardian of the Winds |
| 5 | 411 |
|
64/108 | 100% | 4.60 | RR | X Russian Championship |
| 6 | 78 |
|
48/52 | 100% | 3.05 | RR | Agari Spring Tournament 2024 |
| 7 | 173 |
|
63/76 | 0% | 4.20 | RR | IX Russian Riichi Championship |