Sviridova Valentina

From Moscow, Russia

EMA: 15990330

Player page

Internal rating (RR)

Rating date Sept. 4, 2025 (latest changes Sept. 3, 2025).

185 place (181.16).

max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8

p1 = (392.16 * 3.05 * 0.57 + 470.59 * 3.05 * 0.71 + 0 + 0 + 0) / (3.05 * 0.57 + 3.05 * 0.71 + 1 + 1 + 1) = 246.8682207390573

p2 = (470.59 * 3.05 * 0.71 + 392.16 * 3.05 * 0.57) / max_coefficients = 115.45067567567567

score = 246.8682207390573 * 0.5 + 115.45067567567567 * 0.5 = 181.1594482073665

Rating changes

Show

all results
Date Place Points Reason
2025-09-03 189 -> 185 181.16
2025-09-01 189 179.64 -> 181.16
2025-08-31 182 -> 189 179.64
2025-08-09 179 -> 182 193.00 -> 179.64

Agari Summer Tournament 2024: 86% -> 71%
2025-08-04 180 -> 179 192.39 -> 193.00
2025-08-03 175 -> 180 192.39
2025-07-13 171 -> 175 192.39
2025-07-12 171 191.22 -> 192.39
2025-07-10 168 -> 171 200.38 -> 191.22

Agari Spring Tournament 2024: 71% -> 57%
2025-07-03 169 -> 168 200.38

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 471 2024-06-09 28/52 71% 3.05 RR Agari Summer Tournament 2024 Moscow
2 392 2024-03-10 32/52 57% 3.05 RR Agari Spring Tournament 2024 Moscow
3 126 2022-06-12 98/112 0% 4.05 RR Moscow Riichi 2022 Moscow
4 189 2019-12-15 91/112 0% 4.05 EMA VIII Russian Riichi Championship Moscow
5 154 2019-06-02 34/40 0% 2.90 RR Summer Cup 2019 Saint Petersburg
6 746 2018-12-16 17/64 0% 3.45 EMA White Dragon Tournament Moscow
7 106 2018-08-19 43/48 0% 3.10 RR Moscow Riichi Open 2018 Moscow
8 522 2018-07-22 12/24 0% 2.73 RR Winner tournament. Agari season event Moscow
9 70 2018-06-11 67/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018 Saint Petersburg
10 452 2018-03-04 18/32 0% 2.70 RR East Cup 2018 Saint Petersburg
11 313 2017-12-11 58/84 0% 3.40 EMA VI Russian Riichi Championship 2017 Saint Petersburg
12 175 2017-10-22 53/64 0% 3.45 EMA Moscow Riichi Open 2017 Moscow
13 538 2017-10-01 19/40 0% 1.80 RR Saint Petersburg championship. Northern cup 2017 Saint Petersburg
14 185 2017-09-24 23/28 0% 2.60 RR Moscow Riichi Half Marathon 2017 Moscow
15 429 2017-07-09 21/36 0% 3.20 RR Moscow Open Riichi Marathon 2017 Moscow
16 43 2016-12-10 23/24 0% 1.60 RR December tournament glhf; 2016 Moscow