Maniakhin Petr

From Saint Petersburg, Russia

EMA: 15990315

Player page

Common russian riichi rating (CRR)

Rating date March 1, 2026 (latest changes March 1, 2026).

95 place (471.30).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (494.74 * 3.85 * 0.43 + 169.49 * 3.25 * 0.86 + 885.71 * 1.90 * 1 + 584.42 * 3.45 * 1 + 540.54 * 3.40 * 1) / (3.85 * 0.43 + 3.25 * 0.86 + 1.90 * 1 + 3.45 * 1 + 3.40 * 1) = 517.639394540367

p2 = (584.42 * 3.45 * 1 + 540.54 * 3.40 * 1 + 885.71 * 1.90 * 1 + 494.74 * 3.85 * 0.43) / max_coefficients = 424.9698996655518

score = 517.639394540367 * 0.5 + 424.9698996655518 * 0.5 = 471.3046471029594

Rating changes

Show

all results
Date Place Points Reason
2026-03-01 91 -> 95 479.94 -> 471.30

SPB Riichi Open 2024: 57% -> 43%
2026-02-23 110 -> 91 407.90 -> 479.94

White Wolf Cup 2026: 0% -> 100%
2026-02-16 115 -> 110 404.74 -> 407.90

White Wolf Cup: 100% -> 86%
2026-02-08 112 -> 115 404.74
2026-02-04 116 -> 112 404.74
2026-01-26 117 -> 116 404.74
2026-01-25 114 -> 117 404.74
2026-01-15 115 -> 114 404.74
2026-01-14 116 -> 115 404.74
2026-01-12 117 -> 116 404.74

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 541 2026-02-23 35/75 100% 3.40 RR White Wolf Cup 2026 Saint Petersburg
2 584 2025-08-31 33/78 100% 3.45 RR SPB Riichi Open 2025 Saint Petersburg
3 886 2025-04-26 5/36 100% 1.90 RR Seihoku spring tournament 2025 Saint Petersburg
4 169 2025-02-16 50/60 86% 3.25 RR White Wolf Cup Saint Petersburg
5 495 2024-09-01 49/96 43% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
6 682 2023-09-03 35/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
7 627 2021-11-28 29/76 0% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg
8 476 2019-11-24 34/64 0% 3.45 EMA Saint Petersburg Open 2019 Saint Petersburg
9 513 2019-06-02 20/40 0% 2.90 RR Summer Cup 2019 Saint Petersburg
10 256 2018-12-23 30/40 0% 2.90 RR North Cup 2018 Saint Petersburg
11 304 2018-09-23 17/24 0% 2.50 RR West cup 2018 Saint Petersburg
12 408 2018-06-11 43/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018 Saint Petersburg
13 516 2018-03-04 16/32 0% 2.70 RR East Cup 2018 Saint Petersburg
14 60 2017-12-11 79/84 0% 3.40 EMA VI Russian Riichi Championship 2017 Saint Petersburg