Yakovlev Andrey

From Simferopol, Russia

EMA: 15990293

Player page

Common russian riichi rating (CRR)

Rating date May 23, 2026 (latest changes May 23, 2026).

87 place (464.77).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85

p1 = (733.33 * 1.80 * 0.43 + 1000 * 0.90 * 0.86 + 666.67 * 2 * 0.86 + 652.17 * 1.20 * 1 + 565.22 * 1.20 * 1 + 263.16 * 1.30 * 1 + 736.84 * 2.10 * 1) / (1.80 * 0.43 + 0.90 * 0.86 + 2 * 0.86 + 1.20 * 1 + 1.20 * 1 + 1.30 * 1 + 2.10 * 1) = 643.7280489164817

p2 = (736.84 * 2.10 * 1 + 666.67 * 2 * 0.86 + 652.17 * 1.20 * 1 + 1000 * 0.90 * 0.86) / max_coefficients = 285.80269360269364

score = 643.7280489164817 * 0.5 + 285.80269360269364 * 0.5 = 464.7653712595877

Rating changes

Show

all results
Date Place Points Reason
2026-05-17 86 -> 87 464.77
2026-05-15 87 -> 86 464.77
2026-05-14 88 -> 87 464.77
2026-05-12 90 -> 88 464.77
2026-05-11 89 -> 90 464.77
2026-05-07 90 -> 89 464.77
2026-05-03 91 -> 90 463.81 -> 464.77
2026-05-02 92 -> 91 463.81
2026-05-01 94 -> 92 463.81
2026-04-27 89 -> 94 471.72 -> 463.81

South Dragon Cup II: 100% -> 86%

Happy Bamboo 2024: 57% -> 43%

Tournaments

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