Maniakhin Petr

From Saint Petersburg, Russia

EMA: 15990315

Player page

Common russian riichi rating (CRR)

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

116 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
2024-10-11 117 -> 116 343.08
2024-09-15 115 -> 117 343.08
2024-09-06 116 -> 115 343.08
2024-09-03 111 -> 116 357.44 -> 343.08

SPB Riichi Open 2023: 100% -> 86%
2024-09-01 108 -> 111 309.31 -> 357.44

SPB Riichi Open 2024: 0% -> 100%
2023-11-26 103 -> 108 310.07 -> 309.31
2023-11-06 108 -> 103 305.70 -> 310.07
2023-11-05 104 -> 108 305.70
2023-10-22 102 -> 104 305.70
2023-10-12 107 -> 102 305.05 -> 305.70

Tournaments

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