Poroshin Semyon

From Chelyabinsk, Russia

EMA: 15020039

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Common russian riichi rating (CRR)

Rating date May 2, 2019 (latest changes May 2, 2019).

99 place (445.44).

max_coefficients = (3.80 * 1 + 3.55 * 1 + 3.50 * 1 + 3.45 * 1) = 14.3

p1 = (736.84 * 2.10 * 0.71 + 631.58 * 2.10 * 0.86 + 56.34 * 3.55 * 1 + 894.74 * 2.10 * 1 + 704.23 * 3.25 * 0.57 + 457.83 * 3.40 * 0.57) / (2.10 * 0.71 + 2.10 * 0.86 + 3.55 * 1 + 2.10 * 1 + 3.25 * 0.57 + 3.40 * 0.57) = 511.24688719386654

p2 = (894.74 * 2.10 * 1 + 704.23 * 3.25 * 0.57 + 631.58 * 2.10 * 0.86 + 736.84 * 2.10 * 0.71) / max_coefficients = 379.6370629370629

score = 511.24688719386654 * 0.5 + 379.6370629370629 * 0.5 = 445.4419750654647

Rating changes

Show

Date Place Points Reason
2019-05-01 101 -> 99 440.28 -> 445.44
2019-04-24 96 -> 101 450.38 -> 440.28

Guard of the tenpai: 86% -> 71%

2019-04-22 97 -> 96 450.38
2019-04-11 97 449.33 -> 450.38

VI Russian Riichi Championship 2017: 71% -> 57%

2019-04-01 98 -> 97 449.33
2019-03-31 97 -> 98 449.33
2019-03-18 97 457.05 -> 449.33

Spring tournament (Ekaterinburg): 100% -> 86%

2019-03-17 124 -> 97 397.15 -> 457.05

Spring hope: 0% -> 100%

2019-03-12 116 -> 124 413.13 -> 397.15

Perm Riichi 2017 Aki Shanten: 71% -> 57%

2019-03-04 117 -> 116 413.13

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 895 2019-03-17 3/20 100% 2.10 RR Spring hope
2 56 2018-06-11 68/72 100% 3.55 EMA RCR Saint Petersburg South Cup 2018
3 632 2018-03-18 8/20 86% 2.10 CRR Spring tournament (Ekaterinburg)
4 737 2018-02-24 6/20 71% 2.10 CRR Guard of the tenpai
5 458 2017-12-11 46/84 57% 3.40 EMA VI Russian Riichi Championship 2017
6 704 2017-11-12 22/72 57% 3.25 EMA Perm Riichi 2017 Aki Shanten
7 333 2016-07-17 11/16 0% 1.60 RR "Legendary player" riichi mahjong tournament 2016
8 419 2016-05-03 19/32 0% 2.40 RR Siberia Cup 2016
9 141 2016-03-13 86/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016
10 826 2015-12-05 5/24 0% 1.80 RR 4 riichi mahjong tournament 2015
11 789 2015-09-27 5/20 0% 1.70 RR Plitochka
12 133 2015-08-29 14/16 0% 1.60 RR 3 riichi mahjong tournament 2015
13 667 2015-05-16 6/16 0% 1.60 RR 2 autumn riichi mahjong tournament 2015
14 963 2015-02-22 2/28 0% 1.90 RR 2 winter riichi mahjong tournament 2015
15 579 2014-10-25 9/20 0% 1.30 RR Autumn riichi mahjong tournament 2014
16 211 2014-06-08 16/20 0% 1.30 RR Chelyabinsk riichi mahjong championship 2017