Sviridova Valentina

From Moscow, Russia

EMA: 15990330

Player page

Internal rating (RR)

Rating date April 13, 2021 (latest changes April 13, 2021).

129 place (80.44).

max_coefficients = (4.05 * 0.71 + 2.90 * 0.86 + 3.85 * 0.57 + 3.45 * 0.57) = 9.549725

p1 = (153.85 * 2.90 * 0.14 + 189.19 * 4.05 * 0.71 + 0 + 0 + 0) / (2.90 * 0.14 + 4.05 * 0.71 + 1 + 1 + 1) = 96.88259285830362

p2 = (189.19 * 4.05 * 0.71 + 153.85 * 2.90 * 0.14) / max_coefficients = 63.98823002756623

score = 96.88259285830362 * 0.5 + 63.98823002756623 * 0.5 = 80.43541144293494

Rating changes

Show

Date Place Points Reason
2021-04-02 129 85.53 -> 80.44

Summer Cup 2019: 29% -> 14%

2021-03-26 129 84.30 -> 85.53
2021-03-24 129 83.41 -> 84.30
2021-03-21 130 -> 129 83.41
2021-03-17 133 -> 130 83.41
2021-03-08 134 -> 133 82.11 -> 83.41
2021-03-04 139 -> 134 80.85 -> 82.11
2021-02-16 140 -> 139 80.85
2021-02-15 137 -> 140 87.56 -> 80.85

VIII Russian Riichi Championship: 86% -> 71%

2021-02-10 139 -> 137 87.56

Tournaments

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