Maniakhin Petr

From Saint Petersburg, Russia

EMA: 15990315

Player page

Common russian riichi rating (CRR)

Rating date Nov. 6, 2023 (latest changes Nov. 6, 2023).

102 place (310.07).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.80 * 1) = 14.149820000000002

p1 = (682.24 * 4 * 1 + 626.67 * 3.45 * 0.14 + 0 + 0 + 0) / (4 * 1 + 3.45 * 0.14 + 1 + 1 + 1) = 405.43413490315294

p2 = (682.24 * 4 * 1 + 626.67 * 3.45 * 0.14) / max_coefficients = 214.69672405726712

score = 405.43413490315294 * 0.5 + 214.69672405726712 * 0.5 = 310.06542948021

Rating changes

Show

all results
Date Place Points Reason
2023-11-06 114 -> 102 213.15 -> 310.07
2021-02-01 127 -> 114 347.45 -> 213.15
2020-02-01 127 347.45

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 682 2023-09-03 35/108 100% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
2 627 2021-11-28 29/76 14% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg
3 476 2019-11-24 34/64 0% 3.45 EMA Saint Petersburg Open 2019 Saint Petersburg
4 513 2019-06-02 20/40 0% 2.90 RR Summer Cup 2019 Saint Petersburg
5 256 2018-12-23 30/40 0% 2.90 RR North Cup 2018 Saint Petersburg
6 304 2018-09-23 17/24 0% 2.50 RR West cup 2018 Saint Petersburg
7 408 2018-06-11 43/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018 Saint Petersburg
8 516 2018-03-04 16/32 0% 2.70 RR East Cup 2018 Saint Petersburg
9 60 2017-12-11 79/84 0% 3.40 EMA VI Russian Riichi Championship 2017 Saint Petersburg