Sviridova Valentina

From Moscow, Russia

EMA: 15990330

Player page

Common russian riichi rating (CRR)

Rating date Nov. 5, 2025 (latest changes Nov. 5, 2025).

204 place (216.80).

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

p1 = (392.16 * 3.05 * 0.43 + 470.59 * 3.05 * 0.57 + 280.70 * 3.90 * 1 + 0 + 0) / (3.05 * 0.43 + 3.05 * 0.57 + 3.90 * 1 + 1 + 1) = 271.2301675977654

p2 = (280.70 * 3.90 * 1 + 470.59 * 3.05 * 0.57 + 392.16 * 3.05 * 0.43) / max_coefficients = 162.3752508361204

score = 271.2301675977654 * 0.5 + 162.3752508361204 * 0.5 = 216.8027092169429

Rating changes

Show

all results
Date Place Points Reason
2025-11-05 205 -> 204 216.80
2025-11-04 236 -> 205 156.75 -> 216.80

XI Russian Championship: 0% -> 100%
2025-11-01 236 156.58 -> 156.75
2025-10-13 237 -> 236 155.17 -> 156.58
2025-10-09 233 -> 237 170.51 -> 155.17

Agari Summer Tournament 2024: 71% -> 57%
2025-09-15 235 -> 233 170.51
2025-09-10 229 -> 235 181.16 -> 170.51

Agari Spring Tournament 2024: 57% -> 43%
2025-09-03 236 -> 229 181.16
2025-09-01 236 179.64 -> 181.16
2025-08-31 232 -> 236 179.64

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 281 2025-11-04 42/58 100% 3.90 RR XI Russian Championship Moscow
2 471 2024-06-09 28/52 57% 3.05 RR Agari Summer Tournament 2024 Moscow
3 392 2024-03-10 32/52 43% 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
11 519 2018-05-20 14/28 0% 3.50 CRR A-League Moscow
12 526 2018-05-12 10/20 0% 1.50 CRR Agari tournament. First stage Moscow
13 452 2018-03-04 18/32 0% 2.70 RR East Cup 2018 Saint Petersburg
14 313 2017-12-11 58/84 0% 3.40 EMA VI Russian Riichi Championship 2017 Saint Petersburg
15 175 2017-10-22 53/64 0% 3.45 EMA Moscow Riichi Open 2017 Moscow
16 538 2017-10-01 19/40 0% 1.80 RR Saint Petersburg championship. Northern cup 2017 Saint Petersburg
17 185 2017-09-24 23/28 0% 2.60 RR Moscow Riichi Half Marathon 2017 Moscow
18 429 2017-07-09 21/36 0% 3.20 RR Moscow Open Riichi Marathon 2017 Moscow
19 43 2016-12-10 23/24 0% 1.60 RR December tournament glhf; 2016 Moscow