Bretslavskii Viktor
From Megion, Russia
Internal rating (RR)
Rating date Oct. 13, 2024 (latest changes Oct. 13, 2024).
89 place (391.27).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (173.33 * 4.20 * 0.14 + 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) / (4.20 * 0.14 + 3.05 * 1 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1 + 3.75 * 1) = 371.6158866742763
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 = 371.6158866742763 * 0.5 + 410.9230283911672 * 0.5 = 391.26945753272173
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-10-13 | 102 -> 89 | 322.29 -> 391.27 |
Moscow Riichi 2024: 0% -> 100% |
| 2024-10-11 | 104 -> 102 | 322.29 | |
| 2024-09-06 | 106 -> 104 | 319.13 -> 322.29 |
IX Russian Riichi Championship: 29% -> 14% |
| 2024-09-03 | 106 | 313.63 -> 319.13 | |
| 2024-09-01 | 94 -> 106 | 321.45 -> 313.63 | |
| 2024-08-11 | 94 | 319.78 -> 321.45 | |
| 2024-08-04 | 104 -> 94 | 262.65 -> 319.78 |
Riichi over Volga: 0% -> 100% |
| 2024-07-14 | 114 -> 104 | 186.45 -> 262.65 |
Guardian of the Winds: 0% -> 100% |
| 2024-07-06 | 114 | 188.84 -> 186.45 |
IX Russian Riichi Championship: 43% -> 29% |
| 2024-06-11 | 121 -> 114 | 185.99 -> 188.84 |
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 | 173 |
|
63/76 | 14% | 4.20 | RR | IX Russian Riichi Championship |