Chechin Vadim

From Nizhny Novgorod, Russia

EMA: 15990283

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Internal rating (RR)

Rating date Nov. 1, 2025 (latest changes Nov. 1, 2025).

44 place (587.22).

max_coefficients = (4.10 * 1 + 3.50 * 1 + 3.45 * 1 + 3.25 * 1) = 14.3

p1 = (806.45 * 3.10 * 1 + 1000 * 2.60 * 1 + 137.25 * 3.05 * 1 + 762.71 * 3.25 * 1 + 0) / (3.10 * 1 + 2.60 * 1 + 3.05 * 1 + 3.25 * 1 + 1) = 615.1876923076924

p2 = (1000 * 2.60 * 1 + 806.45 * 3.10 * 1 + 762.71 * 3.25 * 1 + 137.25 * 3.05 * 1) / max_coefficients = 559.2615384615384

score = 615.1876923076924 * 0.5 + 559.2615384615384 * 0.5 = 587.2246153846154

Rating changes

Show

all results
Date Place Points Reason
2025-11-01 48 -> 44 586.25 -> 587.22
2025-10-13 48 577.78 -> 586.25
2025-10-04 50 -> 48 577.78
2025-09-14 51 -> 50 577.78
2025-09-12 53 -> 51 577.78
2025-09-03 54 -> 53 577.78
2025-09-01 55 -> 54 570.67 -> 577.78
2025-08-31 50 -> 55 570.67
2025-08-04 51 -> 50 568.10 -> 570.67
2025-08-03 49 -> 51 568.10

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 763 2025-02-16 15/60 100% 3.25 RR White Wolf Cup Saint Petersburg
2 137 2025-02-02 45/52 100% 3.05 RR Agari Winter Tournament 2025 Moscow
3 1000 2025-01-26 🥇 1/43 100% 2.60 RR Riichi On Ice Samara
4 806 2025-01-07 7/32 100% 3.10 RR Moscow Open Riichi Marathon Moscow
5 820 2022-06-12 21/112 0% 4.05 RR Moscow Riichi 2022 Moscow
6 762 2017-10-22 16/64 0% 3.45 EMA Moscow Riichi Open 2017 Moscow
7 74 2017-09-24 26/28 0% 2.60 RR Moscow Riichi Half Marathon 2017 Moscow
8 889 2017-08-06 4/28 0% 2.30 EMA Ivanovo Region Riichi 2017 Ivanovo
9 257 2017-07-09 27/36 0% 3.20 RR Moscow Open Riichi Marathon 2017 Moscow
10 414 2016-09-11 52/88 0% 3.45 EMA V Russian Riichi Championship 2016 Moscow
11 919 2016-03-13 9/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016 Moscow