Menshova Polina

From Elektrostal, Russia

EMA: 15990181

Player page

Internal rating (RR)

Rating date June 5, 2023 (latest changes May 30, 2023).

141 place (116.60).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.71 + 3.10 * 0.57) = 12.52139

p1 = (225.23 * 4.05 * 0.14 + 480 * 3.45 * 0.43 + 0 + 0 + 0) / (4.05 * 0.14 + 3.45 * 0.43 + 1 + 1 + 1) = 166.11450711480074

p2 = (480 * 3.45 * 0.43 + 225.23 * 4.05 * 0.14) / max_coefficients = 67.0939887664229

score = 166.11450711480074 * 0.5 + 67.0939887664229 * 0.5 = 116.60424794061183

Rating changes

Show

all results
Date Place Points Reason
2023-05-30 142 -> 141 124.84 -> 116.60

VIII Russian Riichi Championship: 29% -> 14%
2023-05-28 138 -> 142 145.90 -> 124.84

Saint Petersburg Open 2021: 57% -> 43%
2023-05-20 138 144.10 -> 145.90
2023-05-06 139 -> 138 144.10
2023-04-30 146 -> 139 144.10
2023-04-19 148 -> 146 143.28 -> 144.10
2023-03-30 148 149.34 -> 143.28

VIII Russian Riichi Championship: 43% -> 29%
2023-03-28 143 -> 148 166.67 -> 149.34

Saint Petersburg Open 2021: 71% -> 57%
2023-03-20 143 164.65 -> 166.67
2023-03-06 145 -> 143 164.65

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 480 2021-11-28 40/76 43% 3.45 RR Saint Petersburg Open 2021
2 225 2019-12-15 87/112 14% 4.05 EMA VIII Russian Riichi Championship
3 80 2016-09-11 81/88 0% 3.45 EMA V Russian Riichi Championship 2016
4 488 2015-03-08 23/44 0% 2.50 EMA Moscow Riichi Championship 2015
5 387 2014-02-15 47/76 0% 2.50 RR Moscow Riichi 2014