Gribanova Kseniya

From Perm, Russia

EMA: 15020087

Player page

Internal rating (RR)

Rating date Nov. 6, 2023 (latest changes Nov. 6, 2023).

109 place (191.32).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 4.05 * 0.57) = 13.663990000000002

p1 = (477.61 * 3.50 * 0.43 + 360 * 4.20 * 0.86 + 80.46 * 3.75 * 1 + 0 + 0) / (3.50 * 0.43 + 4.20 * 0.86 + 3.75 * 1 + 1 + 1) = 213.2854435793075

p2 = (360 * 4.20 * 0.86 + 477.61 * 3.50 * 0.43 + 80.46 * 3.75 * 1) / max_coefficients = 169.35975509349757

score = 213.2854435793075 * 0.5 + 169.35975509349757 * 0.5 = 191.32259933640253

Rating changes

Show

Date Place Points Reason
2023-11-06 109 199.18 -> 191.32

IX Russian Riichi Championship: 100% -> 86%

2023-10-19 110 -> 109 199.18
2023-10-12 111 -> 110 195.72 -> 199.18
2023-09-28 113 -> 111 195.72
2023-09-20 112 -> 113 209.13 -> 195.72

Tenpai can't buy happiness: 57% -> 43%

2023-09-06 113 -> 112 209.13
2023-09-03 93 -> 113 223.65 -> 209.13
2023-08-19 95 -> 93 223.65
2023-08-12 97 -> 95 219.01 -> 223.65
2023-07-20 96 -> 97 228.82 -> 219.01

Tenpai can't buy happiness: 71% -> 57%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 80 2023-06-11 81/88 100% 3.75 RR Money can not buy tenpai
2 360 2022-11-06 49/76 86% 4.20 RR IX Russian Riichi Championship
3 478 2022-03-20 36/68 43% 3.50 RR Tenpai can't buy happiness
4 53 2019-02-10 19/20 0% 2.10 RR Fuyu Shanten 2019
5 22 2018-11-18 90/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
6 56 2018-05-01 68/72 0% 3.85 EMA Haru Shanten 2018
7 889 2018-02-17 4/28 0% 1.70 RR Fuyu Shanten