Chechin Vadim

From Nizhny Novgorod, Russia

EMA: 15990283

Player page

Internal rating (RR)

Rating date Jan. 26, 2025 (latest changes Jan. 26, 2025).

68 place (453.99).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85

p1 = (806.45 * 3.10 * 1 + 1000 * 2.60 * 1 + 0 + 0 + 0) / (3.10 * 1 + 2.60 * 1 + 1 + 1 + 1) = 586.2068965517242

p2 = (1000 * 2.60 * 1 + 806.45 * 3.10 * 1) / max_coefficients = 321.7665615141956

score = 586.2068965517242 * 0.5 + 321.7665615141956 * 0.5 = 453.9867290329599

Rating changes

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all results
Date Place Points Reason
2025-01-26 68 453.99

Riichi On Ice: 0% -> 100%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 1000 2025-01-26 1/43 100% 2.60 RR Riichi On Ice
2 806 2025-01-07 7/32 100% 3.10 RR Moscow Open Riichi Marathon
3 820 2022-06-12 21/112 0% 4.05 RR Moscow Riichi 2022
4 762 2017-10-22 16/64 0% 3.45 EMA Moscow Riichi Open 2017
5 74 2017-09-24 26/28 0% 2.60 RR Moscow Riichi Half Marathon 2017
6 889 2017-08-06 4/28 0% 2.30 EMA Ivanovo Region Riichi 2017
7 257 2017-07-09 27/36 0% 3.20 RR Moscow Open Riichi Marathon 2017
8 414 2016-09-11 52/88 0% 3.45 EMA V Russian Riichi Championship 2016
9 919 2016-03-13 9/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016