Grishin Viktor

Russian Champion 2014

From Vidnoye, Russia

EMA: 15990097

Player page

Internal rating (RR)

Rating date May 19, 2024 (latest changes May 12, 2024).

27 place (548.39).

max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 1 + 3.05 * 1) = 15.399999999999999

p1 = (738.74 * 4.05 * 0.14 + 973.33 * 4.20 * 0.43 + 878.50 * 4.60 * 1 + 0 + 0) / (4.05 * 0.14 + 4.20 * 0.43 + 4.60 * 1 + 1 + 1) = 692.8247612588005

p2 = (878.50 * 4.60 * 1 + 973.33 * 4.20 * 0.43 + 738.74 * 4.05 * 0.14) / max_coefficients = 403.94675324675325

score = 692.8247612588005 * 0.5 + 403.94675324675325 * 0.5 = 548.3857572527769

Rating changes

Show

all results
Date Place Points Reason
2024-05-12 72 -> 27 287.10 -> 548.39

X Russian Championship: 0% -> 100%
2024-05-06 63 -> 72 335.78 -> 287.10

IX Russian Riichi Championship: 57% -> 43%
2024-04-12 57 -> 63 364.16 -> 335.78

Moscow Riichi 2022: 29% -> 14%
2024-03-30 55 -> 57 364.16
2024-03-20 40 -> 55 428.29 -> 364.16

Tenpai can't buy happiness: 14% -> 0%
2024-03-10 34 -> 40 450.84 -> 428.29
2024-03-06 27 -> 34 484.85 -> 450.84

IX Russian Riichi Championship: 71% -> 57%
2024-02-12 26 -> 27 498.59 -> 484.85

Moscow Riichi 2022: 43% -> 29%
2024-01-20 22 -> 26 516.46 -> 498.59

Tenpai can't buy happiness: 29% -> 14%
2024-01-06 18 -> 22 541.78 -> 516.46

IX Russian Riichi Championship: 86% -> 71%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 879 2024-05-12 14/108 100% 4.60 RR X Russian Championship
2 973 2022-11-06 3/76 43% 4.20 RR IX Russian Riichi Championship
3 739 2022-06-12 30/112 14% 4.05 RR Moscow Riichi 2022
4 731 2022-03-20 19/68 0% 3.50 RR Tenpai can't buy happiness
5 383 2021-12-19 30/48 0% 3.10 RR Agari team tournament
6 891 2021-11-06 7/56 0% 3.30 RR Kirov Tournament
7 703 2019-12-15 34/112 0% 4.05 EMA VIII Russian Riichi Championship
8 413 2019-11-24 38/64 0% 3.45 EMA Saint Petersburg Open 2019
9 943 2019-07-21 3/36 0% 3.20 RR Moscow Open Riichi Marathon 2019
10 205 2019-06-02 32/40 0% 2.90 RR Summer Cup 2019
11 855 2019-05-04 13/84 0% 4.20 EMA Haru Shanten 2019
12 741 2018-07-15 8/28 0% 3.00 RR Moscow Open Riichi Marathon
13 916 2017-12-11 8/84 0% 3.40 EMA VI Russian Riichi Championship 2017
14 1000 2017-10-07 1/16 0% 1.40 RR Red Dragon tournament 2017
15 926 2017-09-24 3/28 0% 2.60 RR Moscow Riichi Half Marathon 2017
16 852 2017-09-03 5/28 0% 2.30 EMA Riichi Open Bratislava 2017
17 296 2017-08-06 20/28 0% 2.30 EMA Ivanovo Region Riichi 2017
18 371 2017-07-09 23/36 0% 3.20 RR Moscow Open Riichi Marathon 2017
19 957 2017-06-04 2/24 0% 2.90 EMA Prague Open 2017
20 533 2017-02-12 8/16 0% 2.30 RR February mini-tournament glhf; 2017
21 197 2016-12-04 58/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016
22 885 2016-09-11 11/88 0% 3.45 EMA V Russian Riichi Championship 2016
23 957 2016-07-03 2/24 0% 1.40 RR Tournament of 4 winds. South cup 2016
24 391 2016-05-28 15/24 0% 1.60 RR May tournament glhf; 2016
25 800 2016-04-17 4/16 0% 1.20 RR Riichi mahjong league tournament 2016 (JPML-A rules)
26 179 2016-02-22 33/40 0% 2.60 EMA Ivanovo Region Riichi Championship 2016
27 275 2015-10-18 38/52 0% 2.90 EMA Russian Open Riichi Championship 2015
28 744 2015-03-08 12/44 0% 2.50 EMA Moscow Riichi Championship 2015
29 870 2015-03-01 4/24 0% 1.40 EMA Crimean Riichi Open 2015
30 1000 2014-12-07 1/64 0% 3.15 EMA Russian Open Riichi Championship 2014
31 429 2014-09-21 37/64 0% 3.15 RR "Japanese House" riichi mahjong cup 2014
32 1000 2014-06-29 1/16 0% 1.20 RR "Haku no Ten" summer riichi mahjong tournament 2014
33 944 2013-12-08 5/72 0% 3.25 EMA Russian Riichi Championship 2013
34 889 2013-11-24 4/28 0% 1.50 EMA Crimean Riichi Open 2013
35 800 2013-05-19 12/56 0% 3.00 RR "Japanese House" riichi mahjong cup 2013
36 407 2013-02-17 17/28 0% 2.30 EMA Saint Petersburg Riichi tournament
37 895 2012-08-12 3/20 0% 1.30 EMA Russian Open Riichi Championship 2012