Sychev Ivan

From Saint Petersburg, Russia

EMA: 15990298

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Common russian riichi rating (CRR)

Rating date Nov. 5, 2023 (latest changes Nov. 5, 2023).

57 place (431.94).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 2.80 * 1) = 14.75

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 = 313.4623728813559

score = 550.425 * 0.5 + 313.4623728813559 * 0.5 = 431.94368644067794

Rating changes

Show

all results
Date Place Points Reason
2023-11-05 54 -> 57 431.94
2023-10-22 53 -> 54 431.94
2023-10-12 53 430.96 -> 431.94
2023-09-28 54 -> 53 430.96
2023-09-20 52 -> 54 430.96
2023-09-06 54 -> 52 430.96
2023-09-03 45 -> 54 457.28 -> 430.96

SPB Riichi Open 2023: 0% -> 100%
2021-02-01 30 -> 45 646.36 -> 457.28
2020-02-01 30 646.36

Tournaments

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