Chechin Vadim

From Nizhny Novgorod, Russia

EMA: 15990283

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Internal rating (RR)

Rating date April 10, 2019 (latest changes April 10, 2019).

165 place (294.49).

max_coefficients = (3.85 * 1 + 3.80 * 1 + 3.55 * 1 + 3.45 * 1) = 14.649999999999999

p1 = (257.14 * 3.20 * 0.29 + 888.89 * 2.30 * 0.29 + 74.07 * 2.60 * 0.43 + 761.90 * 3.45 * 0.57 + 0) / (3.20 * 0.29 + 2.30 * 0.29 + 2.60 * 0.43 + 3.45 * 0.57 + 1) = 424.90595788610295

p2 = (761.90 * 3.45 * 0.57 + 888.89 * 2.30 * 0.29 + 257.14 * 3.20 * 0.29 + 74.07 * 2.60 * 0.43) / max_coefficients = 164.0757679180888

score = 424.90595788610295 * 0.5 + 164.0757679180888 * 0.5 = 294.49086290209584

Rating changes

Show

Date Place Points Reason
2019-04-06 149 -> 165 317.20 -> 294.49

Ivanovo Region Riichi 2017: 43% -> 29%

2019-04-03 150 -> 149 317.20
2019-03-30 152 -> 150 317.20
2019-03-26 153 -> 152 317.20
2019-03-25 154 -> 153 317.20
2019-03-24 161 -> 154 307.15 -> 317.20

Moscow Riichi Half Marathon 2017: 57% -> 43%

2019-03-18 162 -> 161 307.15
2019-03-17 159 -> 162 307.15
2019-03-12 160 -> 159 307.15
2019-03-11 161 -> 160 307.15

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 762 2017-10-22 16/64 57% 3.45 EMA Moscow Riichi Open 2017
2 74 2017-09-24 26/28 43% 2.60 RR Moscow Riichi Half Marathon 2017
3 889 2017-08-06 4/28 29% 2.30 EMA Ivanovo Region Riichi 2017
4 257 2017-07-09 27/36 29% 3.20 RR Moscow Open Riichi Marathon 2017
5 414 2016-09-11 52/88 0% 3.45 EMA V Russian Riichi Championship 2016
6 919 2016-03-13 9/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016