Zaychikov Dmitrii

From Saint Petersburg, Russia

EMA: 15990145

Player page

Internal rating (RR)

Rating date March 30, 2023 (latest changes March 30, 2023).

76 place (355.73).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 3.10 * 0.71) = 13.46418

p1 = (423.42 * 4.05 * 0.29 + 774.77 * 4.05 * 1 + 0 + 0 + 0) / (4.05 * 0.29 + 4.05 * 1 + 1 + 1 + 1) = 442.03027018728335

p2 = (774.77 * 4.05 * 1 + 423.42 * 4.05 * 0.29) / max_coefficients = 269.4393568713431

score = 442.03027018728335 * 0.5 + 269.4393568713431 * 0.5 = 355.7348135293132

Rating changes

Show

Date Place Points Reason
2023-03-30 79 -> 76 364.22 -> 355.73

VIII Russian Riichi Championship: 43% -> 29%

2023-03-28 79 361.60 -> 364.22
2023-03-20 79 356.63 -> 361.60
2023-03-06 83 -> 79 356.63
2023-02-28 85 -> 83 356.63
2023-02-19 86 -> 85 354.81 -> 356.63
2023-01-30 86 362.77 -> 354.81

VIII Russian Riichi Championship: 57% -> 43%

Summer Cup 2019: 14% -> 0%

2023-01-28 78 -> 86 392.89 -> 362.77
2023-01-06 79 -> 78 392.89
2022-12-30 82 -> 79 392.89

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 775 2022-06-12 26/112 100% 4.05 RR Moscow Riichi 2022
2 423 2019-12-15 65/112 29% 4.05 EMA VIII Russian Riichi Championship
3 487 2019-06-02 21/40 0% 2.90 RR Summer Cup 2019
4 513 2018-12-23 20/40 0% 2.90 RR North Cup 2018
5 1000 2018-09-23 1/24 0% 2.50 RR West cup 2018
6 845 2018-06-11 12/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018
7 935 2018-03-04 3/32 0% 2.70 RR East Cup 2018
8 181 2017-12-11 69/84 0% 3.40 EMA VI Russian Riichi Championship 2017
9 270 2017-10-22 47/64 0% 3.45 EMA Moscow Riichi Open 2017
10 282 2017-10-01 29/40 0% 1.80 RR Saint Petersburg championship. Northern cup 2017
11 769 2017-06-03 10/40 0% 1.80 RR Saint Petersburg championship. West cup 2017
12 349 2017-03-18 29/44 0% 1.90 RR Saint Petersburg championship. South cup 2017
13 648 2016-12-04 26/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016
14 387 2016-10-16 20/32 0% 1.60 RR Tournament of 4 winds. West cup 2016
15 805 2016-09-11 18/88 0% 3.45 EMA V Russian Riichi Championship 2016
16 913 2016-07-03 3/24 0% 1.40 RR Tournament of 4 winds. South cup 2016
17 419 2016-03-27 19/32 0% 1.60 RR Tournament of 4 winds. East cup 2016
18 475 2016-03-13 53/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016
19 533 2015-12-06 8/16 0% 2.00 RR Two-day tournament of Saint Petersburg riichi mahjong league
20 745 2015-10-18 14/52 0% 2.90 EMA Russian Open Riichi Championship 2015
21 349 2014-12-07 42/64 0% 3.15 EMA Russian Open Riichi Championship 2014
22 984 2014-09-21 2/64 0% 3.15 RR "Japanese House" riichi mahjong cup 2014
23 859 2013-12-08 11/72 0% 3.25 EMA Russian Riichi Championship 2013
24 909 2013-05-19 6/56 0% 3.00 RR "Japanese House" riichi mahjong cup 2013