Zaychikov Dmitrii

From Saint Petersburg, Russia

EMA: 15990145

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Common russian riichi rating (CRR)

Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).

110 place (224.08).

max_coefficients = (4.05 * 0.86 + 2.90 * 1 + 3.85 * 0.71 + 3.45 * 0.71) = 11.585645

p1 = (487.18 * 2.90 * 0.43 + 423.42 * 4.05 * 0.86 + 0 + 0 + 0) / (2.90 * 0.43 + 4.05 * 0.86 + 1 + 1 + 1) = 269.0287191340121

p2 = (423.42 * 4.05 * 0.86 + 487.18 * 2.90 * 0.43) / max_coefficients = 179.1302944290111

score = 269.0287191340121 * 0.5 + 179.1302944290111 * 0.5 = 224.07950678151158

Rating changes

Show

all results
Date Place Points Reason
2021-02-01 79 -> 110 480.59 -> 224.08
2020-02-01 79 480.59

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 423 2019-12-15 65/112 86% 4.05 EMA VIII Russian Riichi Championship
2 487 2019-06-02 21/40 43% 2.90 RR Summer Cup 2019
3 513 2018-12-23 20/40 0% 2.90 RR North Cup 2018
4 1000 2018-09-23 1/24 0% 2.50 RR West cup 2018
5 845 2018-06-11 12/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018
6 935 2018-03-04 3/32 0% 2.70 RR East Cup 2018
7 181 2017-12-11 69/84 0% 3.40 EMA VI Russian Riichi Championship 2017
8 270 2017-10-22 47/64 0% 3.45 EMA Moscow Riichi Open 2017
9 282 2017-10-01 29/40 0% 1.80 RR Saint Petersburg championship. Northern cup 2017
10 769 2017-06-03 10/40 0% 1.80 RR Saint Petersburg championship. West cup 2017
11 349 2017-03-18 29/44 0% 1.90 RR Saint Petersburg championship. South cup 2017
12 648 2016-12-04 26/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016
13 387 2016-10-16 20/32 0% 1.60 RR Tournament of 4 winds. West cup 2016
14 805 2016-09-11 18/88 0% 3.45 EMA V Russian Riichi Championship 2016
15 913 2016-07-03 3/24 0% 1.40 RR Tournament of 4 winds. South cup 2016
16 419 2016-03-27 19/32 0% 1.60 RR Tournament of 4 winds. East cup 2016
17 475 2016-03-13 53/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016
18 533 2015-12-06 8/16 0% 2.00 RR Two-day tournament of Saint Petersburg riichi mahjong league
19 745 2015-10-18 14/52 0% 2.90 EMA Russian Open Riichi Championship 2015
20 349 2014-12-07 42/64 0% 3.15 EMA Russian Open Riichi Championship 2014
21 984 2014-09-21 2/64 0% 3.15 RR "Japanese House" riichi mahjong cup 2014
22 859 2013-12-08 11/72 0% 3.25 EMA Russian Riichi Championship 2013
23 909 2013-05-19 6/56 0% 3.00 RR "Japanese House" riichi mahjong cup 2013