Maniakhin Petr

From Saint Petersburg, Russia

EMA: 15990315

Player page

Common russian riichi rating (CRR)

Rating date April 20, 2026 (latest changes April 19, 2026).

86 place (477.66).

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 * 0.71 + 885.71 * 1.90 * 1 + 584.42 * 3.45 * 1 + 540.54 * 3.40 * 1) / (3.85 * 0.43 + 3.25 * 0.71 + 1.90 * 1 + 3.45 * 1 + 3.40 * 1) = 530.3403624626964

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 = 530.3403624626964 * 0.5 + 424.9698996655518 * 0.5 = 477.6551310641241

Rating changes

Show

all results
Date Place Points Reason
2026-04-19 81 -> 86 477.66
2026-04-16 84 -> 81 471.30 -> 477.66

White Wolf Cup: 86% -> 71%
2026-04-13 87 -> 84 471.30
2026-04-04 88 -> 87 471.30
2026-04-02 89 -> 88 471.30
2026-03-21 90 -> 89 471.30
2026-03-15 91 -> 90 471.30
2026-03-14 92 -> 91 471.30
2026-03-12 93 -> 92 471.30
2026-03-02 95 -> 93 471.30

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 71% 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