Bretslavskii Viktor
From Megion, Russia
Common russian riichi rating (CRR)
Rating date May 1, 2025 (latest changes May 1, 2025).
108 place (384.84).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (333.33 * 2.30 * 0.57 + 444.44 * 2.30 * 0.71 + 78.43 * 3.05 * 0.86 + 411.21 * 4.60 * 1 + 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) / (2.30 * 0.57 + 2.30 * 0.71 + 3.05 * 0.86 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1 + 3.75 * 1 + 2.40 * 1 + 1.90 * 1) = 358.75420251049155
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 = 358.75420251049155 * 0.5 + 410.9230283911672 * 0.5 = 384.83861545082937
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-04-27 | 105 -> 108 | 384.84 | |
| 2025-04-26 | 104 -> 105 | 384.84 | |
| 2025-04-25 | 105 -> 104 | 385.40 -> 384.84 |
Chasing Kan: 86% -> 71% |
| 2025-03-23 | 117 -> 105 | 367.93 -> 385.40 |
Martenho's Spring tournament: 0% -> 100% |
| 2025-03-10 | 117 | 365.91 -> 367.93 |
Agari Spring Tournament 2024: 100% -> 86% |
| 2025-03-05 | 117 | 365.98 -> 365.91 |
Finding Dora: 71% -> 57% |
| 2025-03-03 | 119 -> 117 | 365.98 | |
| 2025-03-02 | 115 -> 119 | 372.22 -> 365.98 |
Riichi Maslenitsa (shrovetide): 0% -> 100% |
| 2025-02-25 | 116 -> 115 | 372.96 -> 372.22 |
Chasing Kan: 100% -> 86% |
| 2025-02-16 | 110 -> 116 | 372.96 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 263 |
|
15/20 | 100% | 1.90 | CRR | Martenho's Spring tournament | Ufa |
| 2 | 194 |
|
26/32 | 100% | 2.40 | RR | Riichi Maslenitsa (shrovetide) | Yekaterinburg |
| 3 | 0 |
|
52/52 | 100% | 3.05 | RR | Agari Winter Tournament 2025 | Moscow |
| 4 | 517 |
|
44/90 | 100% | 3.75 | RR | Moscow Riichi 2024 | Moscow |
| 5 | 392 |
|
49/80 | 100% | 3.65 | RR | Riichi over Volga | Samara |
| 6 | 447 |
|
27/48 | 100% | 2.80 | RR | Guardian of the Winds | Yekaterinburg |
| 7 | 411 |
|
64/108 | 100% | 4.60 | RR | X Russian Championship | Perm |
| 8 | 78 |
|
48/52 | 86% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow |
| 9 | 444 |
|
16/28 | 71% | 2.30 | CRR | Chasing Kan | Yekaterinburg |
| 10 | 333 |
|
19/28 | 57% | 2.30 | CRR | Finding Dora | Yekaterinburg |
| 11 | 173 |
|
63/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm |