Dementyeva Svetlana

From Perm, Russia

EMA: 15020061

Player page

Internal rating (RR)

Rating date May 19, 2022 (latest changes April 30, 2022).

79 place (447.40).

max_coefficients = (4.05 * 1 + 3.85 * 1 + 3.50 * 1 + 3.45 * 1) = 14.850000000000001

p1 = (340.66 * 3.80 * 0.29 + 789.47 * 2.10 * 0.43 + 710.84 * 4.20 * 0.57 + 260.87 * 2.20 * 0.71 + 746.03 * 3.85 * 1 + 0 * 3.30 * 1 + 388.06 * 3.50 * 1) / (3.80 * 0.29 + 2.10 * 0.43 + 4.20 * 0.57 + 2.20 * 0.71 + 3.85 * 1 + 3.30 * 1 + 3.50 * 1) = 447.20317744381003

p2 = (746.03 * 3.85 * 1 + 710.84 * 4.20 * 0.57 + 388.06 * 3.50 * 1 + 789.47 * 2.10 * 0.43) / max_coefficients = 447.60538720538716

score = 447.20317744381003 * 0.5 + 447.60538720538716 * 0.5 = 447.4042823245986

Rating changes

Show

all results
Date Place Points Reason
2022-04-30 75 -> 79 466.37 -> 447.40

Haru Shanten 2019: 71% -> 57%
2022-03-30 78 -> 75 472.88 -> 466.37

URAL Mahjong Battle: 86% -> 71%

Natsu Shanten 2018: 14% -> 0%

Fuyu Shanten 2019: 57% -> 43%

VII Russian Riichi Championship "Aki Shanten": 43% -> 29%
2022-03-20 81 -> 78 454.15 -> 472.88

Tenpai can't buy happiness: 0% -> 100%
2022-02-28 79 -> 81 470.83 -> 454.15

Haru Shanten 2019: 86% -> 71%
2022-01-30 78 -> 79 482.47 -> 470.83

VII Russian Riichi Championship "Aki Shanten": 57% -> 43%

URAL Mahjong Battle: 100% -> 86%

Fuyu Shanten 2019: 71% -> 57%

Natsu Shanten 2018: 29% -> 14%
2021-12-30 77 -> 78 490.73 -> 482.47

Haru Shanten 2019: 100% -> 86%

Haru Shanten 2018: 14% -> 0%
2021-12-19 75 -> 77 484.96 -> 490.73
2021-11-30 74 -> 75 498.34 -> 484.96

Fuyu Shanten 2019: 86% -> 71%

Natsu Shanten 2018: 43% -> 29%

VII Russian Riichi Championship "Aki Shanten": 71% -> 57%
2021-11-28 72 -> 74 498.34
2021-11-06 55 -> 72 546.59 -> 498.34

Kirov Tournament: 0% -> 100%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 388 2022-03-20 42/68 100% 3.50 RR Tenpai can't buy happiness
2 0 2021-11-06 56/56 100% 3.30 RR Kirov Tournament
3 746 2019-11-04 17/64 100% 3.85 EMA Aki Shanten 2019
4 261 2019-06-16 18/24 71% 2.20 RR URAL Mahjong Battle
5 711 2019-05-04 25/84 57% 4.20 EMA Haru Shanten 2019
6 789 2019-02-10 5/20 43% 2.10 RR Fuyu Shanten 2019
7 341 2018-11-18 61/92 29% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
8 333 2018-08-11 19/28 0% 1.70 RR Natsu Shanten 2018
9 99 2018-05-01 65/72 0% 3.85 EMA Haru Shanten 2018
10 296 2018-02-17 20/28 0% 1.70 RR Fuyu Shanten
11 155 2017-11-12 61/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten
12 645 2017-06-03 12/32 0% 1.60 RR "Summer shanten" tournament, Perm 2017