Sychev Ivan

From Saint Petersburg, Russia

EMA: 15990298

Player page

Common russian riichi rating (CRR)

Rating date Feb. 3, 2025 (latest changes Feb. 3, 2025).

152 place (280.35).

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

p1 = (739.13 * 1.40 * 0.29 + 897.20 * 4 * 0.57 + 0 + 0 + 0) / (1.40 * 0.29 + 4 * 0.57 + 1 + 1 + 1) = 412.6702992482737

p2 = (897.20 * 4 * 0.57 + 739.13 * 1.40 * 0.29) / max_coefficients = 148.02965299684544

score = 412.6702992482737 * 0.5 + 148.02965299684544 * 0.5 = 280.34997612255955

Rating changes

Show

all results
Date Place Points Reason
2025-02-02 145 -> 152 280.35
2025-01-26 141 -> 145 280.35
2025-01-07 138 -> 141 280.35
2025-01-04 135 -> 138 280.35
2025-01-03 123 -> 135 318.66 -> 280.35

SPB Riichi Open 2023: 71% -> 57%
2024-12-25 125 -> 123 318.66
2024-12-22 123 -> 125 327.70 -> 318.66

Fire cup 2023: 43% -> 29%
2024-12-01 122 -> 123 327.70
2024-11-05 125 -> 122 327.70
2024-11-03 118 -> 125 361.40 -> 327.70

SPB Riichi Open 2023: 86% -> 71%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 897 2023-09-03 12/108 57% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
2 739 2023-04-22 7/24 29% 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