Sychev Ivan

From Saint Petersburg, Russia

EMA: 15990298

Player page

Common russian riichi rating (CRR)

Rating date July 6, 2024 (latest changes July 6, 2024).

75 place (416.08).

max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 0.86 + 3.05 * 1) = 14.864125000000001

p1 = (897.20 * 4 * 1 + 739.13 * 1.40 * 0.71 + 0 + 0 + 0) / (4 * 1 + 1.40 * 0.71 + 1 + 1 + 1) = 540.9911475221312

p2 = (897.20 * 4 * 1 + 739.13 * 1.40 * 0.71) / max_coefficients = 291.16681943942206

score = 540.9911475221312 * 0.5 + 291.16681943942206 * 0.5 = 416.0789834807766

Rating changes

Show

all results
Date Place Points Reason
2024-07-06 78 -> 75 416.08
2024-06-27 79 -> 78 416.08
2024-06-22 77 -> 79 423.46 -> 416.08

Fire cup 2023: 86% -> 71%
2024-06-18 76 -> 77 423.46
2024-06-11 81 -> 76 418.23 -> 423.46
2024-06-09 78 -> 81 418.23
2024-05-19 75 -> 78 418.23
2024-05-12 59 -> 75 436.26 -> 418.23
2024-05-06 62 -> 59 436.26
2024-05-05 61 -> 62 436.26

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 71% 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