Bychkova Nina

From Novosibirsk, Russia

EMA: 15020023

Player page

Internal rating (RR)

Rating date Feb. 1, 2020 (latest changes Feb. 1, 2020).

175 place (220.82).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.85 * 1 + 3.45 * 1) = 15.55

p1 = (391.30 * 2.20 * 0.57 + 600 * 3 * 0.86 + 156.63 * 4.20 * 1 + 0 + 0) / (2.20 * 0.57 + 3 * 0.86 + 4.20 * 1 + 1 + 1) = 268.4890281381439

p2 = (600 * 3 * 0.86 + 156.63 * 4.20 * 1 + 391.30 * 2.20 * 0.57) / max_coefficients = 173.151768488746

score = 268.4890281381439 * 0.5 + 173.151768488746 * 0.5 = 220.82039831344497

Rating changes

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all results
Date Place Points Reason
2020-02-01 175 220.82

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 157 2019-05-04 71/84 100% 4.20 EMA Haru Shanten 2019
2 600 2019-01-05 23/56 86% 3.00 EMA Snow Dragon
3 391 2018-08-12 15/24 57% 2.20 RR Siberian riichi
4 935 2018-01-05 3/32 0% 2.20 RR Russian riichi championship by JPML-B rules
5 217 2017-08-13 19/24 0% 2.20 EMA Siberia Cup 2017
6 0 2017-01-05 36/36 0% 2.50 RR Quick discard 2017