Chekan Vikmar

From Saint Petersburg, Russia

EMA: 15990345

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Common russian riichi rating (CRR)

Rating date April 19, 2019 (latest changes April 19, 2019).

110 place (422.41).

max_coefficients = (3.85 * 1 + 3.80 * 1 + 3.55 * 1 + 3.50 * 1) = 14.7

p1 = (1000 * 1.80 * 0.14 + 1000 * 1.80 * 0.43 + 108.43 * 3.40 * 0.57 + 677.42 * 2.70 * 0.86 + 589.74 * 2.90 * 1) / (1.80 * 0.14 + 1.80 * 0.43 + 3.40 * 0.57 + 2.70 * 0.86 + 2.90 * 1) = 551.854896935239

p2 = (589.74 * 2.90 * 1 + 677.42 * 2.70 * 0.86 + 1000 * 1.80 * 0.43 + 1000 * 1.80 * 0.14) / max_coefficients = 292.9673469387755

score = 551.854896935239 * 0.5 + 292.9673469387755 * 0.5 = 422.41112193700724

Rating changes

Show

Date Place Points Reason
2019-04-16 111 -> 110 422.41
2019-04-13 112 -> 111 422.41
2019-04-11 117 -> 112 410.20 -> 422.41

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

2019-04-06 118 -> 117 410.20
2019-04-03 112 -> 118 425.54 -> 410.20

Saint Petersburg championship. West cup 2017: 29% -> 14%

2019-04-01 103 -> 112 440.71 -> 425.54

Saint Petersburg championship. Northern cup 2017: 57% -> 43%

2019-03-31 102 -> 103 440.71
2019-03-18 101 -> 102 446.79 -> 440.71

Saint Petersburg championship. South cup 2017: 14% -> 0%

2019-03-17 100 -> 101 446.79
2019-03-12 101 -> 100 446.79

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 590 2018-12-23 17/40 100% 2.90 RR North Cup 2018
2 677 2018-03-04 11/32 86% 2.70 RR East Cup 2018
3 108 2017-12-11 75/84 57% 3.40 EMA VI Russian Riichi Championship 2017
4 1000 2017-10-01 1/40 43% 1.80 RR Saint Petersburg championship. Northern cup 2017
5 1000 2017-06-03 1/40 14% 1.80 RR Saint Petersburg championship. West cup 2017
6 977 2017-03-18 2/44 0% 1.90 RR Saint Petersburg championship. South cup 2017
7 533 2016-04-17 8/16 0% 1.20 RR Riichi mahjong league tournament 2016 (JPML-A rules)
8 162 2016-03-13 84/100 0% 3.40 RR "Japanese House" riichi mahjong cup 2016
9 684 2015-11-15 7/20 0% 1.30 RR Tournament of Saint Petersburg riichi mahjong league