Yakovlev Andrey

From Simferopol, Russia

EMA: 15990293

Player page

Common russian riichi rating (CRR)

Rating date Sept. 6, 2026 (latest changes Sept. 4, 2026).

109 place (454.20).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41

p1 = (733.33 * 1.80 * 0.14 + 1000 * 0.90 * 0.57 + 666.67 * 2 * 0.57 + 652.17 * 1.20 * 0.86 + 565.22 * 1.20 * 1 + 263.16 * 1.30 * 1 + 736.84 * 2.10 * 1 + 789.47 * 1.30 * 1) / (1.80 * 0.14 + 0.90 * 0.57 + 2 * 0.57 + 1.20 * 0.86 + 1.20 * 1 + 1.30 * 1 + 2.10 * 1 + 1.30 * 1) = 647.9384357895689

p2 = (736.84 * 2.10 * 1 + 789.47 * 1.30 * 1 + 666.67 * 2 * 0.57 + 565.22 * 1.20 * 1) / max_coefficients = 260.46852693056456

score = 647.9384357895689 * 0.5 + 260.46852693056456 * 0.5 = 454.2034813600667

Rating changes

Show

all results
Date Place Points Reason
2026-09-04 110 -> 109 454.20
2026-08-31 110 453.78 -> 454.20
2026-08-30 107 -> 110 453.78
2026-08-27 106 -> 107 461.40 -> 453.78

Happy Bamboo 2024: 29% -> 14%

South Dragon Cup II: 71% -> 57%
2026-08-16 103 -> 106 461.40
2026-08-15 103 460.40 -> 461.40
2026-08-03 104 -> 103 460.40
2026-07-29 103 -> 104 462.76 -> 460.40

The Southern Coon Mini Cup: 71% -> 57%
2026-07-26 103 466.08 -> 462.76

Pands in discards: 100% -> 86%
2026-07-25 101 -> 103 466.08

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 789 2026-07-18 5/20 100% 1.30 RR Heat in the discard Simferopol
2 737 2026-04-19 6/20 100% 2.10 RR The Southern Dragon Cup 2026 Simferopol
3 263 2026-03-21 15/20 100% 1.30 CRR The Southern Coon Mini Cup 2026 Simferopol
4 565 2025-12-06 11/24 100% 1.20 CRR Riichi on fire Simferopol
5 652 2025-07-26 9/24 86% 1.20 CRR Pands in discards Simferopol
6 667 2025-04-27 6/16 57% 2.00 RR South Dragon Cup II Simferopol
7 1000 2025-03-29 🥇 1/12 57% 0.90 CRR The Southern Coon Mini Cup Simferopol
8 733 2024-10-27 5/16 14% 1.80 CRR Happy Bamboo 2024 Simferopol
9 478 2024-03-30 25/47 0% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
10 460 2019-11-24 35/64 0% 3.45 EMA Saint Petersburg Open 2019 Saint Petersburg
11 639 2019-05-04 31/84 0% 4.20 EMA Haru Shanten 2019 Perm
12 84 2017-12-11 77/84 0% 3.40 EMA VI Russian Riichi Championship 2017 Saint Petersburg
13 859 2016-12-04 11/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016 Saint Petersburg
14 43 2015-03-01 23/24 0% 1.40 EMA Crimean Riichi Open 2015 Simferopol
15 630 2013-11-24 11/28 0% 1.50 EMA Crimean Riichi Open 2013 Simferopol