Zhumabaeva Natalya

From Perm, Russia

EMA: 15020083

Player page

Internal rating (RR)

Rating date Sept. 3, 2023 (latest changes Sept. 3, 2023).

37 place (475.40).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915

p1 = (59.70 * 3.50 * 0.57 + 680 * 4.20 * 1 + 885.06 * 3.75 * 1 + 0 + 0) / (3.50 * 0.57 + 4.20 * 1 + 3.75 * 1 + 1 + 1) = 526.7299307943999

p2 = (885.06 * 3.75 * 1 + 680 * 4.20 * 1 + 59.70 * 3.50 * 0.57) / max_coefficients = 424.06562322832133

score = 526.7299307943999 * 0.5 + 424.06562322832133 * 0.5 = 475.39777701136063

Rating changes

Show

all results
Date Place Points Reason
2023-09-03 24 -> 37 508.42 -> 475.40
2023-08-12 26 -> 24 497.86 -> 508.42
2023-07-20 31 -> 26 481.13 -> 497.86

Tenpai can't buy happiness: 71% -> 57%
2023-06-12 35 -> 31 472.06 -> 481.13
2023-06-11 74 -> 35 274.91 -> 472.06

Money can not buy tenpai: 0% -> 100%
2023-05-28 75 -> 74 273.03 -> 274.91
2023-05-20 79 -> 75 263.56 -> 273.03

Tenpai can't buy happiness: 86% -> 71%
2023-05-06 80 -> 79 263.56
2023-04-19 81 -> 80 261.49 -> 263.56
2023-03-28 81 259.44 -> 261.49

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 885 2023-06-11 11/88 100% 3.75 RR Money can not buy tenpai
2 680 2022-11-06 25/76 100% 4.20 RR IX Russian Riichi Championship
3 60 2022-03-20 64/68 57% 3.50 RR Tenpai can't buy happiness
4 270 2019-11-04 47/64 0% 3.85 EMA Aki Shanten 2019
5 169 2019-05-04 70/84 0% 4.20 EMA Haru Shanten 2019
6 1000 2019-02-10 1/20 0% 2.10 RR Fuyu Shanten 2019
7 132 2018-11-18 80/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
8 408 2018-05-01 43/72 0% 3.85 EMA Haru Shanten 2018
9 74 2018-02-17 26/28 0% 1.70 RR Fuyu Shanten