Shifrin Andrey

From Moscow, Russia

EMA: 15990156

Player page

Internal rating (RR)

Rating date April 29, 2019 (latest changes April 29, 2019).

55 place (549.84).

max_coefficients = (3.85 * 1 + 3.80 * 1 + 3.55 * 1 + 3.45 * 1) = 14.649999999999999

p1 = (857.14 * 3.20 * 0.29 + 777.78 * 2.30 * 0.29 + 79.37 * 3.45 * 0.43 + 530.12 * 3.40 * 0.57 + 695.65 * 3.18 * 1 + 340.43 * 3.10 * 1 + 957.45 * 3.10 * 1) / (3.20 * 0.29 + 2.30 * 0.29 + 3.45 * 0.43 + 3.40 * 0.57 + 3.18 * 1 + 3.10 * 1 + 3.10 * 1) = 603.7488920027997

p2 = (957.45 * 3.10 * 1 + 695.65 * 3.18 * 1 + 340.43 * 3.10 * 1 + 530.12 * 3.40 * 0.57) / max_coefficients = 495.9372013651877

score = 603.7488920027997 * 0.5 + 495.9372013651877 * 0.5 = 549.8430466839937

Rating changes

Show

Date Place Points Reason
2019-04-22 57 -> 55 541.15 -> 549.84

Moscow Riichi Open 2017: 57% -> 43%

2019-04-17 58 -> 57 541.15
2019-04-16 59 -> 58 541.15
2019-04-11 58 -> 59 549.05 -> 541.15

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

2019-04-07 57 -> 58 549.05
2019-04-06 57 551.08 -> 549.05

Ivanovo Region Riichi 2017: 43% -> 29%

2019-04-03 56 -> 57 551.08
2019-03-24 55 -> 56 551.08
2019-03-17 54 -> 55 551.08
2019-03-12 55 -> 54 551.08

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 957 2019-01-13 3/48 100% 3.10 RR Agari team tournament 2019
2 340 2018-08-19 32/48 100% 3.10 RR Moscow Riichi Open 2018
3 696 2018-07-22 8/24 100% 3.18 RR Winner tournament. Agari season event
4 530 2017-12-11 40/84 57% 3.40 EMA VI Russian Riichi Championship 2017
5 79 2017-10-22 59/64 43% 3.45 EMA Moscow Riichi Open 2017
6 778 2017-08-06 7/28 29% 2.30 EMA Ivanovo Region Riichi 2017
7 857 2017-07-09 6/36 29% 3.20 RR Moscow Open Riichi Marathon 2017
8 239 2016-12-04 55/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016
9 517 2016-09-11 43/88 0% 3.45 EMA V Russian Riichi Championship 2016
10 538 2016-02-22 19/40 0% 2.60 EMA Ivanovo Region Riichi Championship 2016
11 804 2015-10-18 11/52 0% 2.90 EMA Russian Open Riichi Championship 2015
12 343 2015-08-22 24/36 0% 1.70 EMA Nizhny Novgorod Riichi Championship 2015
13 913 2015-03-01 3/24 0% 1.40 EMA Crimean Riichi Open 2015
14 286 2014-12-07 46/64 0% 3.15 EMA Russian Open Riichi Championship 2014
15 739 2014-10-18 7/24 0% 1.40 EMA Vologda Riichi Championship 2014
16 651 2014-09-21 23/64 0% 3.15 RR "Japanese House" riichi mahjong cup 2014
17 333 2014-02-15 51/76 0% 2.50 RR Moscow Riichi 2014
18 479 2013-12-08 38/72 0% 3.25 RR Russian Riichi Championship 2013