Grishin Viktor

Russian Champion 2014

From Vidnoye, Russia

EMA: 15990097

Player page

Internal rating (RR)

Rating date June 12, 2022 (latest changes June 12, 2022).

6 place (662.13).

max_coefficients = (4.05 * 1 + 3.50 * 1 + 3.45 * 1 + 3.30 * 1) = 14.3

p1 = (890.91 * 3.30 * 1 + 382.98 * 3.10 * 1 + 731.34 * 3.50 * 1 + 738.74 * 4.05 * 1 + 0) / (3.30 * 1 + 3.10 * 1 + 3.50 * 1 + 4.05 * 1 + 1) = 647.4127090301004

p2 = (738.74 * 4.05 * 1 + 890.91 * 3.30 * 1 + 731.34 * 3.50 * 1 + 382.98 * 3.10 * 1) / max_coefficients = 676.8405594405593

score = 647.4127090301004 * 0.5 + 676.8405594405593 * 0.5 = 662.1266342353299

Rating changes

Show

all results
Date Place Points Reason
2022-06-12 10 -> 6 531.41 -> 662.13

Moscow Riichi 2022: 0% -> 100%
2022-04-01 27 -> 10 558.54 -> 531.41
2021-02-01 26 -> 27 675.38 -> 558.54
2020-02-01 26 675.38

Tournaments

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