Chechin Vadim

From Nizhny Novgorod, Russia

EMA: 15990283

Player page

Internal rating (RR)

Rating date Jan. 22, 2026 (latest changes Jan. 14, 2026).

47 place (559.74).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (806.45 * 3.10 * 0.86 + 1000 * 2.60 * 1 + 137.25 * 3.05 * 1 + 762.71 * 3.25 * 1 + 0) / (3.10 * 0.86 + 2.60 * 1 + 3.05 * 1 + 3.25 * 1 + 1) = 608.440225818089

p2 = (1000 * 2.60 * 1 + 762.71 * 3.25 * 1 + 806.45 * 3.10 * 0.86 + 137.25 * 3.05 * 1) / max_coefficients = 511.0494983277592

score = 608.440225818089 * 0.5 + 511.0494983277592 * 0.5 = 559.7448620729241

Rating changes

Show

all results
Date Place Points Reason
2026-01-12 49 -> 47 559.74
2026-01-07 41 -> 49 575.07 -> 559.74

Moscow Open Riichi Marathon: 100% -> 86%
2025-12-13 43 -> 41 575.07
2025-12-04 45 -> 43 575.07
2025-11-30 46 -> 45 575.07
2025-11-14 47 -> 46 575.07
2025-11-04 44 -> 47 587.22 -> 575.07
2025-11-01 48 -> 44 586.25 -> 587.22
2025-10-13 48 577.78 -> 586.25
2025-10-04 50 -> 48 577.78

Tournaments

# Base rank Date Place Power Coefficient Rating 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 86% 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