Yakovlev Andrey

From Simferopol, Russia

EMA: 15990293

Player page

Common russian riichi rating (CRR)

Rating date Nov. 1, 2025 (latest changes Nov. 1, 2025).

79 place (494.84).

max_coefficients = (4.10 * 1 + 3.50 * 1 + 3.45 * 1 + 3.25 * 1) = 14.3

p1 = (478.26 * 2.10 * 0.43 + 733.33 * 1.80 * 0.86 + 1000 * 0.90 * 1 + 666.67 * 2 * 1 + 652.17 * 1.20 * 1) / (2.10 * 0.43 + 1.80 * 0.86 + 0.90 * 1 + 2 * 1 + 1.20 * 1) = 699.6610034786116

p2 = (666.67 * 2 * 1 + 733.33 * 1.80 * 0.86 + 1000 * 0.90 * 1 + 652.17 * 1.20 * 1) / max_coefficients = 290.0216783216783

score = 699.6610034786116 * 0.5 + 290.0216783216783 * 0.5 = 494.8413409001449

Rating changes

Show

all results
Date Place Points Reason
2025-11-01 79 494.34 -> 494.84
2025-10-27 78 -> 79 501.55 -> 494.34

Happy Bamboo 2024: 100% -> 86%
2025-10-22 79 -> 78 501.55
2025-10-13 78 -> 79 496.95 -> 501.55
2025-10-09 79 -> 78 496.95
2025-09-30 79 492.25 -> 496.95

Seihoku spring tournament 2024: 57% -> 43%
2025-09-14 81 -> 79 492.25
2025-09-12 82 -> 81 492.25
2025-09-03 83 -> 82 492.25
2025-09-01 84 -> 83 488.39 -> 492.25

Tournaments

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