Sychev Ivan

From Saint Petersburg, Russia

EMA: 15990298

Player page

Common russian riichi rating (CRR)

Rating date Nov. 14, 2024 (latest changes Nov. 14, 2024).

122 place (327.70).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85

p1 = (739.13 * 1.40 * 0.43 + 897.20 * 4 * 0.71 + 0 + 0 + 0) / (1.40 * 0.43 + 4 * 0.71 + 1 + 1 + 1) = 465.6757376216463

p2 = (897.20 * 4 * 0.71 + 739.13 * 1.40 * 0.43) / max_coefficients = 189.7148264984227

score = 465.6757376216463 * 0.5 + 189.7148264984227 * 0.5 = 327.6952820600345

Rating changes

Show

all results
Date Place Points Reason
2024-11-05 125 -> 122 327.70
2024-11-03 118 -> 125 361.40 -> 327.70

SPB Riichi Open 2023: 86% -> 71%
2024-10-25 119 -> 118 361.40
2024-10-22 117 -> 119 369.35 -> 361.40

Fire cup 2023: 57% -> 43%
2024-10-13 108 -> 117 371.75 -> 369.35
2024-10-11 109 -> 108 371.75
2024-09-15 106 -> 109 371.75
2024-09-06 107 -> 106 371.75
2024-09-03 96 -> 107 397.77 -> 371.75

SPB Riichi Open 2023: 100% -> 86%
2024-09-01 84 -> 96 404.56 -> 397.77

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 897 2023-09-03 12/108 71% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
2 739 2023-04-22 7/24 43% 1.40 CRR Fire cup 2023 Saint Petersburg
3 856 2019-12-15 17/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
4 667 2019-11-24 22/64 0% 3.45 EMA Saint Petersburg Open 2019 Saint Petersburg
5 615 2018-12-23 16/40 0% 2.90 RR North Cup 2018 Saint Petersburg
6 565 2018-09-23 11/24 0% 2.50 RR West cup 2018 Saint Petersburg
7 958 2018-06-11 4/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018 Saint Petersburg
8 419 2018-03-04 19/32 0% 2.70 RR East Cup 2018 Saint Petersburg
9 940 2017-12-11 6/84 0% 3.40 EMA VI Russian Riichi Championship 2017 Saint Petersburg
10 821 2017-10-01 8/40 0% 1.80 RR Saint Petersburg championship. Northern cup 2017 Saint Petersburg
11 103 2017-06-03 36/40 0% 1.80 RR Saint Petersburg championship. West cup 2017 Saint Petersburg
12 744 2017-03-18 12/44 0% 1.90 RR Saint Petersburg championship. South cup 2017 Saint Petersburg
13 620 2016-12-04 28/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016 Saint Petersburg
14 613 2016-10-16 13/32 0% 1.60 RR Tournament of 4 winds. West cup 2016 Saint Petersburg