Bretslavskii Viktor
From Megion, Russia
Common russian riichi rating (CRR)
Rating date July 3, 2025 (latest changes July 3, 2025).
73 place (500.13).
how we calculated rating score
max_coefficients = (4.10 * 1 + 4.60 * 0.86 + 3.85 * 1 + 3.75 * 1) = 15.64266
p1 = (333.33 * 2.30 * 0.43 + 444.44 * 2.30 * 0.57 + 78.43 * 3.05 * 0.71 + 411.21 * 4.60 * 0.86 + 446.81 * 2.80 * 1 + 392.41 * 3.65 * 1 + 516.85 * 3.75 * 1 + 193.55 * 2.40 * 1 + 263.16 * 1.90 * 1 + 571.43 * 3.50 * 1 + 776.12 * 4.10 * 1) / (2.30 * 0.43 + 2.30 * 0.57 + 3.05 * 0.71 + 4.60 * 0.86 + 2.80 * 1 + 3.65 * 1 + 3.75 * 1 + 2.40 * 1 + 1.90 * 1 + 3.50 * 1 + 4.10 * 1) = 441.4294619081281
p2 = (776.12 * 4.10 * 1 + 571.43 * 3.50 * 1 + 516.85 * 3.75 * 1 + 411.21 * 4.60 * 0.86) / max_coefficients = 558.8288692588089
score = 441.4294619081281 * 0.5 + 558.8288692588089 * 0.5 = 500.12916558346853
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-07-03 | 75 -> 73 | 500.13 | |
| 2025-06-25 | 75 | 500.15 -> 500.13 |
Chasing Kan: 71% -> 57% |
| 2025-06-15 | 99 -> 75 | 425.19 -> 500.15 |
13 bloody tiles: 0% -> 100% |
| 2025-06-14 | 97 -> 99 | 425.19 | |
| 2025-06-11 | 98 -> 97 | 425.19 | |
| 2025-05-30 | 99 -> 98 | 425.19 | |
| 2025-05-19 | 100 -> 99 | 425.19 | |
| 2025-05-12 | 97 -> 100 | 424.42 -> 425.19 |
X Russian Championship: 100% -> 86% |
| 2025-05-10 | 97 | 421.98 -> 424.42 |
Agari Spring Tournament 2024: 86% -> 71% |
| 2025-05-05 | 97 | 421.68 -> 421.98 |
Finding Dora: 57% -> 43% |
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 | 263 |
|
15/20 | 100% | 1.90 | CRR | Martenho's Spring tournament | Ufa | |
| 4 | 194 |
|
26/32 | 100% | 2.40 | RR | Riichi Maslenitsa (shrovetide) | Yekaterinburg | |
| 5 | 0 |
|
52/52 | 100% | 3.05 | RR | Agari Winter Tournament 2025 | Moscow | |
| 6 | 517 |
|
44/90 | 100% | 3.75 | RR | Moscow Riichi 2024 | Moscow | |
| 7 | 392 |
|
49/80 | 100% | 3.65 | RR | Riichi over Volga | Samara | |
| 8 | 447 |
|
27/48 | 100% | 2.80 | RR | Guardian of the Winds | Yekaterinburg | |
| 9 | 411 |
|
64/108 | 86% | 4.60 | RR | X Russian Championship | Perm | |
| 10 | 78 |
|
48/52 | 71% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow | |
| 11 | 444 |
|
16/28 | 57% | 2.30 | CRR | Chasing Kan | Yekaterinburg | |
| 12 | 333 |
|
19/28 | 43% | 2.30 | CRR | Finding Dora | Yekaterinburg | |
| 13 | 173 |
|
63/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm |