Sviridova Valentina

From Moscow, Russia

EMA: 15990330

Player page

Internal rating (RR)

Rating date Feb. 28, 2026 (latest changes Feb. 23, 2026).

199 place (172.30).

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

p1 = (392.16 * 3.05 * 0.14 + 470.59 * 3.05 * 0.29 + 280.70 * 3.90 * 1 + 0 + 0) / (3.05 * 0.14 + 3.05 * 0.29 + 3.90 * 1 + 1 + 1) = 232.50541470162602

p2 = (280.70 * 3.90 * 1 + 470.59 * 3.05 * 0.29 + 392.16 * 3.05 * 0.14) / max_coefficients = 112.08829431438127

score = 232.50541470162602 * 0.5 + 112.08829431438127 * 0.5 = 172.29685450800366

Rating changes

Show

all results
Date Place Points Reason
2026-02-23 190 -> 199 172.30
2026-02-09 186 -> 190 185.95 -> 172.30

Agari Summer Tournament 2024: 43% -> 29%
2026-02-08 185 -> 186 185.95
2026-01-25 184 -> 185 185.95
2026-01-12 187 -> 184 185.95
2026-01-10 184 -> 187 195.60 -> 185.95

Agari Spring Tournament 2024: 29% -> 14%
2026-01-07 183 -> 184 195.60
2025-12-09 176 -> 183 207.99 -> 195.60

Agari Summer Tournament 2024: 57% -> 43%
2025-12-07 170 -> 176 207.99
2025-12-04 171 -> 170 207.99

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 281 2025-11-04 42/58 100% 3.90 RR XI Russian Championship Moscow
2 471 2024-06-09 28/52 29% 3.05 RR Agari Summer Tournament 2024 Moscow
3 392 2024-03-10 32/52 14% 3.05 RR Agari Spring Tournament 2024 Moscow
4 126 2022-06-12 98/112 0% 4.05 RR Moscow Riichi 2022 Moscow
5 189 2019-12-15 91/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
6 154 2019-06-02 34/40 0% 2.90 RR Summer Cup 2019 Saint Petersburg
7 746 2018-12-16 17/64 0% 3.45 EMA White Dragon Tournament Moscow
8 106 2018-08-19 43/48 0% 3.10 RR Moscow Riichi Open 2018 Moscow
9 522 2018-07-22 12/24 0% 2.73 RR Winner tournament. Agari season event Moscow
10 70 2018-06-11 67/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018 Saint Petersburg
11 452 2018-03-04 18/32 0% 2.70 RR East Cup 2018 Saint Petersburg
12 313 2017-12-11 58/84 0% 3.40 EMA VI Russian Riichi Championship 2017 Saint Petersburg
13 175 2017-10-22 53/64 0% 3.45 EMA Moscow Riichi Open 2017 Moscow
14 538 2017-10-01 19/40 0% 1.80 RR Saint Petersburg championship. Northern cup 2017 Saint Petersburg
15 185 2017-09-24 23/28 0% 2.60 RR Moscow Riichi Half Marathon 2017 Moscow
16 429 2017-07-09 21/36 0% 3.20 RR Moscow Open Riichi Marathon 2017 Moscow
17 43 2016-12-10 23/24 0% 1.60 RR December tournament glhf; 2016 Moscow