Gribanova Kseniya

From Perm, Russia

EMA: 15020087

Player page

Internal rating (RR)

Rating date March 20, 2023 (latest changes March 20, 2023).

82 place (251.71).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 3.45 * 0.71) = 13.714185

p1 = (477.61 * 3.50 * 0.86 + 360 * 4.20 * 1 + 0 + 0 + 0) / (3.50 * 0.86 + 4.20 * 1 + 1 + 1 + 1) = 288.7062064638206

p2 = (360 * 4.20 * 1 + 477.61 * 3.50 * 0.86) / max_coefficients = 214.723660210213

score = 288.7062064638206 * 0.5 + 214.723660210213 * 0.5 = 251.71493333701682

Rating changes

Show

all results
Date Place Points Reason
2023-03-20 81 -> 82 260.76 -> 251.71

Tenpai can't buy happiness: 100% -> 86%
2023-02-19 81 259.26 -> 260.76
2023-01-28 81 257.00 -> 259.26
2022-12-19 81 255.96 -> 257.00
2022-11-28 81 253.49 -> 255.96
2022-11-06 235 -> 81 45.71 -> 253.49

IX Russian Riichi Championship: 0% -> 100%
2020-02-01 235 45.71

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 360 2022-11-06 49/76 100% 4.20 RR IX Russian Riichi Championship
2 478 2022-03-20 36/68 86% 3.50 RR Tenpai can't buy happiness
3 53 2019-02-10 19/20 0% 2.10 RR Fuyu Shanten 2019
4 22 2018-11-18 90/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
5 56 2018-05-01 68/72 0% 3.85 EMA Haru Shanten 2018
6 889 2018-02-17 4/28 0% 1.70 RR Fuyu Shanten