Zhumabaeva Natalya

From Perm, Russia

EMA: 15020083

Player page

Internal rating (RR)

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

81 place (259.44).

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

p1 = (59.70 * 3.50 * 0.86 + 680 * 4.20 * 1 + 0 + 0 + 0) / (3.50 * 0.86 + 4.20 * 1 + 1 + 1 + 1) = 297.5631994588156

p2 = (680 * 4.20 * 1 + 59.70 * 3.50 * 0.86) / max_coefficients = 221.3110002526581

score = 297.5631994588156 * 0.5 + 221.3110002526581 * 0.5 = 259.43709985573685

Rating changes

Show

all results
Date Place Points Reason
2023-03-20 83 -> 81 251.03 -> 259.44

Tenpai can't buy happiness: 100% -> 86%
2023-02-19 83 249.59 -> 251.03
2023-01-28 83 247.42 -> 249.59
2023-01-06 84 -> 83 247.42
2022-12-19 84 246.42 -> 247.42
2022-11-28 84 244.04 -> 246.42
2022-11-06 119 -> 84 153.28 -> 244.04

IX Russian Riichi Championship: 0% -> 100%
2021-02-01 141 -> 119 302.60 -> 153.28
2020-02-01 141 302.60

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 680 2022-11-06 25/76 100% 4.20 RR IX Russian Riichi Championship
2 60 2022-03-20 64/68 86% 3.50 RR Tenpai can't buy happiness
3 270 2019-11-04 47/64 0% 3.85 EMA Aki Shanten 2019
4 169 2019-05-04 70/84 0% 4.20 EMA Haru Shanten 2019
5 1000 2019-02-10 1/20 0% 2.10 RR Fuyu Shanten 2019
6 132 2018-11-18 80/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
7 408 2018-05-01 43/72 0% 3.85 EMA Haru Shanten 2018
8 74 2018-02-17 26/28 0% 1.70 RR Fuyu Shanten