Yakovlev Andrey

From Simferopol, Russia

EMA: 15990293

Player page

Internal rating (RR)

Rating date Dec. 10, 2025 (latest changes Dec. 9, 2025).

177 place (198.86).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (478.26 * 2.10 * 0.29 + 666.67 * 2 * 1 + 0 + 0 + 0) / (2.10 * 0.29 + 2 * 1 + 1 + 1 + 1) = 289.335478582921

p2 = (666.67 * 2 * 1 + 478.26 * 2.10 * 0.29) / max_coefficients = 108.37926421404683

score = 289.335478582921 * 0.5 + 108.37926421404683 * 0.5 = 198.8573713984839

Rating changes

Show

all results
Date Place Points Reason
2025-12-09 179 -> 177 198.86
2025-12-07 174 -> 179 198.86
2025-12-04 176 -> 174 198.86
2025-11-30 171 -> 176 208.46 -> 198.86

Seihoku spring tournament 2024: 43% -> 29%
2025-11-12 174 -> 171 208.46
2025-11-10 176 -> 174 208.46
2025-11-04 168 -> 176 211.14 -> 208.46
2025-11-01 169 -> 168 210.93 -> 211.14
2025-10-13 169 209.06 -> 210.93
2025-09-30 169 218.24 -> 209.06

Seihoku spring tournament 2024: 57% -> 43%

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 667 2025-04-27 6/16 100% 2.00 RR South Dragon Cup II Simferopol
2 478 2024-03-30 25/47 29% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
3 460 2019-11-24 35/64 0% 3.45 EMA Saint Petersburg Open 2019 Saint Petersburg
4 639 2019-05-04 31/84 0% 4.20 EMA Haru Shanten 2019 Perm
5 84 2017-12-11 77/84 0% 3.40 EMA VI Russian Riichi Championship 2017 Saint Petersburg
6 859 2016-12-04 11/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016 Saint Petersburg
7 43 2015-03-01 23/24 0% 1.40 EMA Crimean Riichi Open 2015 Simferopol
8 630 2013-11-24 11/28 0% 1.50 EMA Crimean Riichi Open 2013 Simferopol