Bychkova Nina

From Novosibirsk, Russia

EMA: 15020023

Player page

Common russian riichi rating (CRR)

Rating date May 31, 2020 (latest changes May 31, 2020).

180 place (228.08).

max_coefficients = (4.05 * 1 + 3.85 * 1 + 4.20 * 0.86 + 3.45 * 1) = 14.949819999999999

p1 = (391.30 * 2.20 * 0.29 + 789.47 * 1.30 * 0.43 + 600 * 3 * 0.57 + 156.63 * 4.20 * 0.86 + 0) / (2.20 * 0.29 + 1.30 * 0.43 + 3 * 0.57 + 4.20 * 0.86 + 1) = 303.767863952617

p2 = (600 * 3 * 0.57 + 156.63 * 4.20 * 0.86 + 789.47 * 1.30 * 0.43 + 391.30 * 2.20 * 0.29) / max_coefficients = 152.3884568509855

score = 303.767863952617 * 0.5 + 152.3884568509855 * 0.5 = 228.07816040180126

Chart scale: normalized original

Rating changes

Show

Date Place Points Reason
2020-05-26 179 -> 180 228.08
2020-05-18 180 -> 179 228.08
2020-05-09 181 -> 180 228.08
2020-05-05 175 -> 181 244.69 -> 228.08

Snow Dragon: 71% -> 57%

2020-05-04 178 -> 175 238.70 -> 244.69

Haru Shanten 2019: 100% -> 86%

2020-04-24 179 -> 178 238.70
2020-04-23 180 -> 179 238.70
2020-04-21 175 -> 180 248.54 -> 238.70

Awakening of the rising sun dragon: 57% -> 43%

2020-04-16 176 -> 175 248.54
2020-04-12 175 -> 176 253.76 -> 248.54

Siberian riichi: 43% -> 29%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 157 2019-05-04 71/84 86% 4.20 EMA Haru Shanten 2019
2 600 2019-01-05 23/56 57% 3.00 EMA Snow Dragon
3 789 2018-10-21 5/20 43% 1.30 CRR Awakening of the rising sun dragon
4 391 2018-08-12 15/24 29% 2.20 RR Siberian riichi
5 935 2018-01-05 3/32 0% 2.20 RR Russian riichi championship by JPML-B rules
6 217 2017-08-13 19/24 0% 2.20 EMA Siberia Cup 2017
7 0 2017-01-05 36/36 0% 2.50 RR Quick discard 2017