Chechin Vadim

From Nizhny Novgorod, Russia

EMA: 15990283

Player page

Internal rating (RR)

Rating date June 15, 2026 (latest changes June 14, 2026).

90 place (448.22).

max_coefficients = (4.71 * 1 + 4.10 * 1 + 3.90 * 1 + 3.45 * 1) = 16.16

p1 = (806.45 * 3.10 * 0.57 + 1000 * 2.60 * 0.57 + 137.25 * 3.05 * 0.57 + 762.71 * 3.25 * 0.71 + 0) / (3.10 * 0.57 + 2.60 * 0.57 + 3.05 * 0.57 + 3.25 * 0.71 + 1) = 591.7349909418385

p2 = (762.71 * 3.25 * 0.71 + 1000 * 2.60 * 0.57 + 806.45 * 3.10 * 0.57 + 137.25 * 3.05 * 0.57) / max_coefficients = 304.7004950495049

score = 591.7349909418385 * 0.5 + 304.7004950495049 * 0.5 = 448.21774299567176

Rating changes

Show

all results
Date Place Points Reason
2026-06-14 72 -> 90 461.66 -> 448.22
2026-06-09 74 -> 72 461.66
2026-06-08 75 -> 74 461.66
2026-06-04 76 -> 75 461.66
2026-06-02 80 -> 76 452.36 -> 461.66

Agari Winter Tournament 2025: 71% -> 57%
2026-05-26 74 -> 80 473.64 -> 452.36

Riichi On Ice: 71% -> 57%
2026-05-14 75 -> 74 473.64
2026-05-12 74 -> 75 473.64
2026-05-07 68 -> 74 490.76 -> 473.64

Moscow Open Riichi Marathon: 71% -> 57%
2026-05-03 69 -> 68 489.47 -> 490.76

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 763 2025-02-16 15/60 71% 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 57% 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