Bretslavskii Viktor

From Megion, Russia

Player page

Internal rating (RR)

Rating date June 15, 2026 (latest changes June 14, 2026).

14 place (723.47).

max_coefficients = (4.71 * 1 + 4.10 * 1 + 3.90 * 1 + 3.45 * 1) = 16.16

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 + 571.43 * 3.50 * 0.86 + 776.12 * 4.10 * 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 + 3.50 * 0.86 + 4.10 * 1 + 3 * 1 + 2.50 * 1 + 3.40 * 1 + 4.71 * 1) = 674.4121471500681

p2 = (930.07 * 4.71 * 1 + 776.12 * 4.10 * 1 + 837.84 * 3.40 * 1 + 690.91 * 3 * 1) / max_coefficients = 772.5309405940594

score = 674.4121471500681 * 0.5 + 772.5309405940594 * 0.5 = 723.4715438720638

Rating changes

Show

all results
Date Place Points Reason
2026-06-14 30 -> 14 637.22 -> 723.47

XII Russian Championship: 0% -> 100%
2026-06-13 30 635.94 -> 637.22

Moscow Riichi 2024: 43% -> 29%
2026-06-04 31 -> 30 633.20 -> 635.94

Riichi over Volga: 29% -> 14%
2026-06-02 32 -> 31 633.20

Agari Winter Tournament 2025: 71% -> 57%
2026-05-26 33 -> 32 633.20
2026-05-17 32 -> 33 633.20
2026-05-14 35 -> 32 631.70 -> 633.20

Guardian of the Winds: 29% -> 14%
2026-05-12 35 628.82 -> 631.70

X Russian Championship: 14% -> 0%
2026-05-03 32 -> 35 635.89 -> 628.82

Riichi over The Volga 2025: 100% -> 86%
2026-05-02 32 632.85 -> 635.89

Riichi Maslenitsa (shrovetide): 86% -> 71%

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 930 2026-06-14 11/144 100% 4.71 RR XII Russian Championship Samara
2 838 2026-02-23 13/75 100% 3.40 RR White Wolf Cup 2026 Saint Petersburg
3 400 2026-02-08 22/36 100% 2.50 RR One tsumo until spring Yekaterinburg
4 691 2026-01-25 18/56 100% 3.00 RR Riichi On Ice 2026 Samara
5 776 2025-06-15 16/68 100% 4.10 RR 13 bloody tiles Perm
6 571 2025-05-03 31/71 86% 3.50 RR Riichi over The Volga 2025 Samara
7 194 2025-03-02 26/32 71% 2.40 RR Riichi Maslenitsa (shrovetide) Yekaterinburg
8 0 2025-02-02 52/52 57% 3.05 RR Agari Winter Tournament 2025 Moscow
9 517 2024-10-13 44/90 29% 3.75 RR Moscow Riichi 2024 Moscow
10 392 2024-08-04 49/80 14% 3.65 RR Riichi over Volga Samara
11 447 2024-07-14 27/48 14% 2.80 RR Guardian of the Winds Yekaterinburg
12 411 2024-05-12 64/108 0% 4.60 RR X Russian Championship Perm
13 78 2024-03-10 48/52 0% 3.05 RR Agari Spring Tournament 2024 Moscow
14 173 2022-11-06 63/76 0% 4.20 RR IX Russian Riichi Championship Perm