Maniakhin Petr

From Saint Petersburg, Russia

EMA: 15990315

Player page

Internal rating (RR)

Rating date Oct. 11, 2024 (latest changes Oct. 11, 2024).

96 place (343.08).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284

p1 = (682.24 * 4 * 0.86 + 494.74 * 3.85 * 1 + 0 + 0 + 0) / (4 * 0.86 + 3.85 * 1 + 1 + 1 + 1) = 412.87943648816935

p2 = (682.24 * 4 * 0.86 + 494.74 * 3.85 * 1) / max_coefficients = 273.28894155225265

score = 412.87943648816935 * 0.5 + 273.28894155225265 * 0.5 = 343.084189020211

Rating changes

Show

all results
Date Place Points Reason
2024-10-11 99 -> 96 343.08
2024-09-06 100 -> 99 343.08
2024-09-03 94 -> 100 357.44 -> 343.08

SPB Riichi Open 2023: 100% -> 86%
2024-09-01 77 -> 94 313.88 -> 357.44

SPB Riichi Open 2024: 0% -> 100%
2023-11-06 82 -> 77 309.20 -> 313.88
2023-10-20 83 -> 82 309.20
2023-10-19 82 -> 83 309.20
2023-10-13 83 -> 82 309.20
2023-10-12 86 -> 83 305.05 -> 309.20
2023-10-07 87 -> 86 305.05

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 495 2024-09-01 49/96 100% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
2 682 2023-09-03 35/108 86% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
3 627 2021-11-28 29/76 0% 3.45 RR Saint Petersburg Open 2021 Saint Petersburg
4 476 2019-11-24 34/64 0% 3.45 EMA Saint Petersburg Open 2019 Saint Petersburg
5 513 2019-06-02 20/40 0% 2.90 RR Summer Cup 2019 Saint Petersburg
6 256 2018-12-23 30/40 0% 2.90 RR North Cup 2018 Saint Petersburg
7 304 2018-09-23 17/24 0% 2.50 RR West cup 2018 Saint Petersburg
8 408 2018-06-11 43/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018 Saint Petersburg
9 516 2018-03-04 16/32 0% 2.70 RR East Cup 2018 Saint Petersburg
10 60 2017-12-11 79/84 0% 3.40 EMA VI Russian Riichi Championship 2017 Saint Petersburg