Chechin Vadim

From Nizhny Novgorod, Russia

EMA: 15990283

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Internal rating (RR)

Rating date July 25, 2026 (latest changes July 18, 2026).

102 place (419.35).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997

p1 = (806.45 * 3.10 * 0.43 + 1000 * 2.60 * 0.57 + 137.25 * 3.05 * 0.57 + 762.71 * 3.25 * 0.57 + 0) / (3.10 * 0.43 + 2.60 * 0.57 + 3.05 * 0.57 + 3.25 * 0.57 + 1) = 568.203643857936

p2 = (1000 * 2.60 * 0.57 + 762.71 * 3.25 * 0.57 + 806.45 * 3.10 * 0.43 + 137.25 * 3.05 * 0.57) / max_coefficients = 270.4957137197568

score = 568.203643857936 * 0.5 + 270.4957137197568 * 0.5 = 419.3496787888464

Rating changes

Show

all results
Date Place Points Reason
2026-07-18 101 -> 102 419.35
2026-07-14 102 -> 101 419.35
2026-07-12 100 -> 102 419.35
2026-07-07 95 -> 100 437.52 -> 419.35

Moscow Open Riichi Marathon: 57% -> 43%
2026-07-02 96 -> 95 437.52
2026-07-01 97 -> 96 437.52
2026-06-16 89 -> 97 453.95 -> 437.52

White Wolf Cup: 71% -> 57%
2026-06-15 90 -> 89 448.22 -> 453.95
2026-06-14 72 -> 90 461.66 -> 448.22
2026-06-09 74 -> 72 461.66

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 763 2025-02-16 15/60 57% 3.25 RR White Wolf Cup Saint Petersburg
2 137 2025-02-02 45/52 57% 3.05 RR Agari Winter Tournament 2025 Moscow
3 1000 2025-01-26 🥇 1/43 57% 2.60 RR Riichi On Ice Samara
4 806 2025-01-07 7/32 43% 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