Sychev Ivan

From Saint Petersburg, Russia

EMA: 15990298

Player page

Common russian riichi rating (CRR)

Rating date Sept. 15, 2024 (latest changes Sept. 15, 2024).

108 place (371.75).

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

p1 = (739.13 * 1.40 * 0.57 + 897.20 * 4 * 0.86 + 0 + 0 + 0) / (1.40 * 0.57 + 4 * 0.86 + 1 + 1 + 1) = 507.33776402946165

p2 = (897.20 * 4 * 0.86 + 739.13 * 1.40 * 0.57) / max_coefficients = 236.16212874475156

score = 507.33776402946165 * 0.5 + 236.16212874475156 * 0.5 = 371.7499463871066

Rating changes

Show

all results
Date Place Points Reason
2024-09-15 105 -> 108 371.75
2024-09-06 106 -> 105 371.75
2024-09-03 96 -> 106 397.77 -> 371.75

SPB Riichi Open 2023: 100% -> 86%
2024-09-01 84 -> 96 404.56 -> 397.77
2024-08-26 87 -> 84 404.56
2024-08-25 88 -> 87 404.56
2024-08-22 87 -> 88 411.93 -> 404.56

Fire cup 2023: 71% -> 57%
2024-08-11 89 -> 87 410.43 -> 411.93
2024-08-04 79 -> 89 416.08 -> 410.43
2024-07-14 75 -> 79 416.08

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 897 2023-09-03 12/108 86% 4.00 RR SPB Riichi Open 2023
2 739 2023-04-22 7/24 57% 1.40 CRR Fire cup 2023
3 856 2019-12-15 17/112 0% 4.05 EMA VIII Russian Riichi Championship
4 667 2019-11-24 22/64 0% 3.45 EMA Saint Petersburg Open 2019
5 615 2018-12-23 16/40 0% 2.90 RR North Cup 2018
6 565 2018-09-23 11/24 0% 2.50 RR West cup 2018
7 958 2018-06-11 4/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018
8 419 2018-03-04 19/32 0% 2.70 RR East Cup 2018
9 940 2017-12-11 6/84 0% 3.40 EMA VI Russian Riichi Championship 2017
10 821 2017-10-01 8/40 0% 1.80 RR Saint Petersburg championship. Northern cup 2017
11 103 2017-06-03 36/40 0% 1.80 RR Saint Petersburg championship. West cup 2017
12 744 2017-03-18 12/44 0% 1.90 RR Saint Petersburg championship. South cup 2017
13 620 2016-12-04 28/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016
14 613 2016-10-16 13/32 0% 1.60 RR Tournament of 4 winds. West cup 2016