Sychev Ivan

From Saint Petersburg, Russia

EMA: 15990298

Player page

Common russian riichi rating (CRR)

Rating date April 25, 2024 (latest changes April 25, 2024).

59 place (436.26).

max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.90 * 1) = 13.700000000000001

p1 = (739.13 * 1.40 * 0.86 + 897.20 * 4 * 1 + 0 + 0 + 0) / (1.40 * 0.86 + 4 * 1 + 1 + 1 + 1) = 545.8210669834169

p2 = (897.20 * 4 * 1 + 739.13 * 1.40 * 0.86) / max_coefficients = 326.69343065693425

score = 545.8210669834169 * 0.5 + 326.69343065693425 * 0.5 = 436.2572488201756

Rating changes

Show

all results
Date Place Points Reason
2024-04-25 61 -> 59 436.26
2024-04-22 59 -> 61 443.96 -> 436.26

Fire cup 2023: 100% -> 86%
2024-04-12 60 -> 59 443.96
2024-03-30 56 -> 60 443.96
2024-03-20 57 -> 56 443.96
2024-03-10 51 -> 57 452.36 -> 443.96
2024-03-06 51 444.57 -> 452.36
2024-02-27 52 -> 51 444.57
2024-02-25 49 -> 52 444.57
2024-02-12 48 -> 49 444.57

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 86% 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