Lantsov Andrey

From Saint Petersburg, Russia

EMA: 15990285

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Common russian riichi rating (CRR)

Rating date April 28, 2019 (latest changes April 28, 2019).

218 place (214.46).

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

p1 = (564.10 * 1.80 * 0.14 + 974.36 * 1.80 * 0.43 + 361.45 * 3.40 * 0.57 + 225.81 * 2.70 * 0.86 + 84.51 * 3.55 * 1) / (1.80 * 0.14 + 1.80 * 0.43 + 3.40 * 0.57 + 2.70 * 0.86 + 3.55 * 1) = 274.0664785646298

p2 = (974.36 * 1.80 * 0.43 + 361.45 * 3.40 * 0.57 + 225.81 * 2.70 * 0.86 + 84.51 * 3.55 * 1) / max_coefficients = 154.86054421768708

score = 274.0664785646298 * 0.5 + 154.86054421768708 * 0.5 = 214.46351139115842

Rating changes

Show

Date Place Points Reason
2019-04-22 219 -> 218 214.46
2019-04-16 221 -> 219 214.46
2019-04-11 214 -> 221 222.71 -> 214.46

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

2019-04-09 215 -> 214 222.71
2019-04-03 215 226.54 -> 222.71

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

2019-04-01 210 -> 215 244.05 -> 226.54

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

2019-03-31 208 -> 210 244.05
2019-03-21 209 -> 208 244.05
2019-03-18 204 -> 209 252.15 -> 244.05

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

2019-03-17 201 -> 204 252.15

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 85 2018-06-11 66/72 100% 3.55 EMA RCR Saint Petersburg South Cup 2018
2 226 2018-03-04 25/32 86% 2.70 RR East Cup 2018
3 361 2017-12-11 54/84 57% 3.40 EMA VI Russian Riichi Championship 2017
4 974 2017-10-01 2/40 43% 1.80 RR Saint Petersburg championship. Northern cup 2017
5 564 2017-06-03 18/40 14% 1.80 RR Saint Petersburg championship. West cup 2017
6 907 2017-03-18 5/44 0% 1.90 RR Saint Petersburg championship. South cup 2017
7 704 2016-12-04 22/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016
8 839 2016-10-16 6/32 0% 1.60 RR Tournament of 4 winds. West cup 2016
9 230 2016-09-11 68/88 0% 3.45 EMA V Russian Riichi Championship 2016
10 478 2016-07-03 13/24 0% 1.40 RR Tournament of 4 winds. South cup 2016
11 548 2016-03-27 15/32 0% 1.60 RR Tournament of 4 winds. East cup 2016
12 600 2015-12-06 7/16 0% 2.00 RR Two-day tournament of Saint Petersburg riichi mahjong league
13 842 2015-11-15 4/20 0% 1.30 RR Tournament of Saint Petersburg riichi mahjong league