Bretslavskii Viktor
From Megion, Russia
Internal rating (RR)
Rating date July 12, 2025 (latest changes July 12, 2025).
73 place (486.45).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.35
p1 = (0 * 3.05 * 1 + 78.43 * 3.05 * 0.57 + 516.85 * 3.75 * 1 + 571.43 * 3.50 * 1 + 776.12 * 4.10 * 1 + 411.21 * 4.60 * 0.71 + 392.41 * 3.65 * 1 + 193.55 * 2.40 * 1 + 446.81 * 2.80 * 1) / (3.05 * 1 + 3.05 * 0.57 + 3.75 * 1 + 3.50 * 1 + 4.10 * 1 + 4.60 * 0.71 + 3.65 * 1 + 2.40 * 1 + 2.80 * 1) = 415.7214567224982
p2 = (776.12 * 4.10 * 1 + 571.43 * 3.50 * 1 + 516.85 * 3.75 * 1 + 392.41 * 3.65 * 1) / max_coefficients = 557.170684039088
score = 415.7214567224982 * 0.5 + 557.170684039088 * 0.5 = 486.4460703807931
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-07-12 | 72 -> 73 | 487.22 -> 486.45 |
X Russian Championship: 86% -> 71% |
| 2025-07-10 | 74 -> 72 | 484.72 -> 487.22 |
Agari Spring Tournament 2024: 71% -> 57% |
| 2025-06-15 | 94 -> 74 | 405.76 -> 484.72 |
13 bloody tiles: 0% -> 100% |
| 2025-06-11 | 97 -> 94 | 405.76 | |
| 2025-05-12 | 96 -> 97 | 405.50 -> 405.76 |
X Russian Championship: 100% -> 86% |
| 2025-05-10 | 96 | 403.24 -> 405.50 |
Agari Spring Tournament 2024: 86% -> 71% |
| 2025-05-03 | 107 -> 96 | 362.53 -> 403.24 |
Riichi over The Volga 2025: 0% -> 100% |
| 2025-04-26 | 104 -> 107 | 362.53 | |
| 2025-04-11 | 103 -> 104 | 362.53 | |
| 2025-03-10 | 105 -> 103 | 360.33 -> 362.53 |
Agari Spring Tournament 2024: 100% -> 86% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 776 |
|
16/68 | 100% | 4.10 | RR | 13 bloody tiles | Perm |
| 2 | 571 |
|
31/71 | 100% | 3.50 | RR | Riichi over The Volga 2025 | Samara |
| 3 | 194 |
|
26/32 | 100% | 2.40 | RR | Riichi Maslenitsa (shrovetide) | Yekaterinburg |
| 4 | 0 |
|
52/52 | 100% | 3.05 | RR | Agari Winter Tournament 2025 | Moscow |
| 5 | 517 |
|
44/90 | 100% | 3.75 | RR | Moscow Riichi 2024 | Moscow |
| 6 | 392 |
|
49/80 | 100% | 3.65 | RR | Riichi over Volga | Samara |
| 7 | 447 |
|
27/48 | 100% | 2.80 | RR | Guardian of the Winds | Yekaterinburg |
| 8 | 411 |
|
64/108 | 71% | 4.60 | RR | X Russian Championship | Perm |
| 9 | 78 |
|
48/52 | 57% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow |
| 10 | 173 |
|
63/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm |