Sychev Ivan

From Saint Petersburg, Russia

EMA: 15990298

Player page

Common russian riichi rating (CRR)

Rating date July 31, 2026 (latest changes July 29, 2026).

320 place (120.86).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997

p1 = (444.44 * 2 * 0.86 + 193.55 * 1.80 * 1 + 0 + 0 + 0) / (2 * 0.86 + 1.80 * 1 + 1 + 1 + 1) = 170.43689171348746

p2 = (444.44 * 2 * 0.86 + 193.55 * 1.80 * 1) / max_coefficients = 71.28882485098669

score = 170.43689171348746 * 0.5 + 71.28882485098669 * 0.5 = 120.86285828223707

Rating changes

Show

all results
Date Place Points Reason
2026-07-25 241 -> 320 173.15 -> 120.86

Seihoku Summer Tournament 2026: 0% -> 100%
2025-09-01 241 171.90 -> 173.15
2025-08-31 237 -> 241 171.90
2025-08-25 238 -> 237 171.90
2025-08-22 239 -> 238 171.90
2025-08-04 239 171.45 -> 171.90
2025-08-03 233 -> 239 171.45
2025-07-26 231 -> 233 171.45
2025-07-19 232 -> 231 171.45
2025-07-13 228 -> 232 171.45

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 194 2026-07-25 26/32 100% 1.80 RR Seihoku Summer Tournament 2026 Saint Petersburg
2 444 2025-06-14 11/19 86% 2.00 CRR Tonpu-master Saint Petersburg
3 897 2023-09-03 12/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
4 739 2023-04-22 7/24 0% 1.40 CRR Fire cup 2023 Saint Petersburg
5 856 2019-12-15 17/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
6 667 2019-11-24 22/64 0% 3.45 EMA Saint Petersburg Open 2019 Saint Petersburg
7 615 2018-12-23 16/40 0% 2.90 RR North Cup 2018 Saint Petersburg
8 565 2018-09-23 11/24 0% 2.50 RR West cup 2018 Saint Petersburg
9 958 2018-06-11 4/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018 Saint Petersburg
10 419 2018-03-04 19/32 0% 2.70 RR East Cup 2018 Saint Petersburg
11 940 2017-12-11 6/84 0% 3.40 EMA VI Russian Riichi Championship 2017 Saint Petersburg
12 821 2017-10-01 8/40 0% 1.80 RR Saint Petersburg championship. Northern cup 2017 Saint Petersburg
13 103 2017-06-03 36/40 0% 1.80 RR Saint Petersburg championship. West cup 2017 Saint Petersburg
14 744 2017-03-18 12/44 0% 1.90 RR Saint Petersburg championship. South cup 2017 Saint Petersburg
15 620 2016-12-04 28/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016 Saint Petersburg
16 613 2016-10-16 13/32 0% 1.60 RR Tournament of 4 winds. West cup 2016 Saint Petersburg