Bretslavskii Viktor
From Megion, Russia
Common russian riichi rating (CRR)
Rating date June 29, 2026 (latest changes June 29, 2026).
22 place (706.81).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997
p1 = (446.81 * 2.80 * 0.14 + 392.41 * 3.65 * 0.14 + 516.85 * 3.75 * 0.29 + 193.55 * 2.40 * 0.71 + 263.16 * 1.90 * 0.71 + 571.43 * 3.50 * 0.86 + 776.12 * 4.10 * 0.86 + 526.32 * 1.90 * 1 + 690.91 * 3 * 1 + 400 * 2.50 * 1 + 837.84 * 3.40 * 1 + 930.07 * 4.71 * 1) / (2.80 * 0.14 + 3.65 * 0.14 + 3.75 * 0.29 + 2.40 * 0.71 + 1.90 * 0.71 + 3.50 * 0.86 + 4.10 * 0.86 + 1.90 * 1 + 3 * 1 + 2.50 * 1 + 3.40 * 1 + 4.71 * 1) = 641.2204722810725
p2 = (930.07 * 4.71 * 1 + 837.84 * 3.40 * 1 + 776.12 * 4.10 * 0.86 + 690.91 * 3 * 1) / max_coefficients = 772.3959828202063
score = 641.2204722810725 * 0.5 + 772.3959828202063 * 0.5 = 706.8082275506395
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-06-15 | 19 -> 22 | 708.30 -> 706.81 |
13 bloody tiles: 100% -> 86% |
| 2026-06-14 | 35 -> 19 | 623.27 -> 708.30 |
XII Russian Championship: 0% -> 100% |
| 2026-06-13 | 37 -> 35 | 622.49 -> 623.27 |
Moscow Riichi 2024: 43% -> 29% |
| 2026-06-09 | 38 -> 37 | 622.49 | |
| 2026-06-04 | 39 -> 38 | 620.41 -> 622.49 |
Riichi over Volga: 29% -> 14% |
| 2026-06-02 | 41 -> 39 | 620.41 |
Agari Winter Tournament 2025: 71% -> 57% |
| 2026-06-01 | 42 -> 41 | 620.41 | |
| 2026-05-23 | 42 | 618.64 -> 620.41 |
Martenho's Spring tournament: 86% -> 71% |
| 2026-05-17 | 40 -> 42 | 618.64 | |
| 2026-05-14 | 41 -> 40 | 617.60 -> 618.64 |
Guardian of the Winds: 29% -> 14% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 930 |
|
11/144 | 100% | 4.71 | RR | XII Russian Championship | Samara | |
| 2 | 838 |
|
13/75 | 100% | 3.40 | RR | White Wolf Cup 2026 | Saint Petersburg | |
| 3 | 400 |
|
22/36 | 100% | 2.50 | RR | One tsumo until spring | Yekaterinburg | |
| 4 | 691 |
|
18/56 | 100% | 3.00 | RR | Riichi On Ice 2026 | Samara | |
| 5 | 526 |
|
10/20 | 100% | 1.90 | CRR | Riichi in country home | Megion | |
| 6 | 776 |
|
16/68 | 86% | 4.10 | RR | 13 bloody tiles | Perm | |
| 7 | 571 |
|
31/71 | 86% | 3.50 | RR | Riichi over The Volga 2025 | Samara | |
| 8 | 263 |
|
15/20 | 71% | 1.90 | CRR | Martenho's Spring tournament | Ufa | |
| 9 | 194 |
|
26/32 | 71% | 2.40 | RR | Riichi Maslenitsa (shrovetide) | Yekaterinburg | |
| 10 | 0 |
|
52/52 | 57% | 3.05 | RR | Agari Winter Tournament 2025 | Moscow | |
| 11 | 517 |
|
44/90 | 29% | 3.75 | RR | Moscow Riichi 2024 | Moscow | |
| 12 | 392 |
|
49/80 | 14% | 3.65 | RR | Riichi over Volga | Samara | |
| 13 | 447 |
|
27/48 | 14% | 2.80 | RR | Guardian of the Winds | Yekaterinburg | |
| 14 | 411 |
|
64/108 | 0% | 4.60 | RR | X Russian Championship | Perm | |
| 15 | 78 |
|
48/52 | 0% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow | |
| 16 | 444 |
|
16/28 | 0% | 2.30 | CRR | Chasing Kan | Yekaterinburg | |
| 17 | 333 |
|
19/28 | 0% | 2.30 | CRR | Finding Dora | Yekaterinburg | |
| 18 | 173 |
|
63/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm |