Sychev Ivan

From Saint Petersburg, Russia

EMA: 15990298

Player page

Common russian riichi rating (CRR)

Rating date Nov. 7, 2023 (latest changes Nov. 7, 2023).

55 place (438.59).

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

p1 = (739.13 * 1.40 * 1 + 897.20 * 4 * 1 + 0 + 0 + 0) / (1.40 * 1 + 4 * 1 + 1 + 1 + 1) = 550.425

p2 = (897.20 * 4 * 1 + 739.13 * 1.40 * 1) / max_coefficients = 326.7582202459112

score = 550.425 * 0.5 + 326.7582202459112 * 0.5 = 438.59161012295556

Rating changes

Show

all results
Date Place Points Reason
2023-11-06 42 -> 55 457.28 -> 438.59
2021-02-01 28 -> 42 646.36 -> 457.28
2020-02-01 28 646.36

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 897 2023-09-03 12/108 100% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
2 739 2023-04-22 7/24 100% 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