Zhumabaeva Natalya

From Perm, Russia

EMA: 15020083

Player page

Internal rating (RR)

Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).

119 place (153.28).

max_coefficients = (4.05 * 0.86 + 2.90 * 1 + 3.85 * 0.71 + 3.45 * 0.71) = 11.585645

p1 = (1000 * 2.10 * 0.14 + 168.67 * 4.20 * 0.29 + 269.84 * 3.85 * 0.71 + 0 + 0) / (2.10 * 0.14 + 4.20 * 0.29 + 3.85 * 0.71 + 1 + 1) = 199.12849185251082

p2 = (269.84 * 3.85 * 0.71 + 1000 * 2.10 * 0.14 + 168.67 * 4.20 * 0.29) / max_coefficients = 107.42345376541402

score = 199.12849185251082 * 0.5 + 107.42345376541402 * 0.5 = 153.27597280896242

Rating changes

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all results
Date Place Points Reason
2021-02-01 141 -> 119 302.60 -> 153.28
2020-02-01 141 302.60

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 270 2019-11-04 47/64 71% 3.85 EMA Aki Shanten 2019
2 169 2019-05-04 70/84 29% 4.20 EMA Haru Shanten 2019
3 1000 2019-02-10 1/20 14% 2.10 RR Fuyu Shanten 2019
4 132 2018-11-18 80/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
5 408 2018-05-01 43/72 0% 3.85 EMA Haru Shanten 2018
6 74 2018-02-17 26/28 0% 1.70 RR Fuyu Shanten