Chechin Vadim

From Nizhny Novgorod, Russia

EMA: 15990283

Player page

Common russian riichi rating (CRR)

Rating date July 31, 2026 (latest changes July 29, 2026).

138 place (396.05).

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 * 0.43 + 137.25 * 3.05 * 0.57 + 762.71 * 3.25 * 0.57 + 0) / (3.10 * 0.43 + 2.60 * 0.43 + 3.05 * 0.57 + 3.25 * 0.57 + 1) = 545.4404757171823

p2 = (762.71 * 3.25 * 0.57 + 1000 * 2.60 * 0.43 + 806.45 * 3.10 * 0.43 + 137.25 * 3.05 * 0.57) / max_coefficients = 246.65614921173668

score = 545.4404757171823 * 0.5 + 246.65614921173668 * 0.5 = 396.04831246445946

Rating changes

Show

all results
Date Place Points Reason
2026-07-26 127 -> 138 419.35 -> 396.05

Riichi On Ice: 57% -> 43%
2026-07-25 125 -> 127 419.35
2026-07-18 124 -> 125 419.35
2026-07-14 123 -> 124 419.35
2026-07-12 122 -> 123 419.35
2026-07-11 121 -> 122 419.35
2026-07-07 112 -> 121 437.52 -> 419.35

Moscow Open Riichi Marathon: 57% -> 43%
2026-07-03 111 -> 112 437.52
2026-07-02 113 -> 111 437.52
2026-07-01 114 -> 113 437.52

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 43% 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
6 667 2018-01-20 10/28 0% 1.70 CRR Team tournament Agari. Season event Moscow
7 762 2017-10-22 16/64 0% 3.45 EMA Moscow Riichi Open 2017 Moscow
8 74 2017-09-24 26/28 0% 2.60 RR Moscow Riichi Half Marathon 2017 Moscow
9 889 2017-08-06 4/28 0% 2.30 EMA Ivanovo Region Riichi 2017 Ivanovo
10 257 2017-07-09 27/36 0% 3.20 RR Moscow Open Riichi Marathon 2017 Moscow
11 414 2016-09-11 52/88 0% 3.45 EMA V Russian Riichi Championship 2016 Moscow
12 919 2016-03-13 9/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016 Moscow