Borzonogov Vitaly

From Arkhangelsk, Russia

EMA: 15990253

Player page

Common russian riichi rating (CRR)

Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).

35 place (512.03).

max_coefficients = (4.05 * 0.86 + 2.90 * 1 + 3.85 * 0.71 + 3.45 * 0.71) = 11.585645

p1 = (454.55 * 2.20 * 0.14 + 818.18 * 2.50 * 0.57 + 444.44 * 3.85 * 0.71 + 947.37 * 2.40 * 1 + 0) / (2.20 * 0.14 + 2.50 * 0.57 + 3.85 * 0.71 + 2.40 * 1 + 1) = 609.1016839743392

p2 = (947.37 * 2.40 * 1 + 444.44 * 3.85 * 0.71 + 818.18 * 2.50 * 0.57 + 454.55 * 2.20 * 0.14) / max_coefficients = 414.9617910785286

score = 609.1016839743392 * 0.5 + 414.9617910785286 * 0.5 = 512.0317375264339

Rating changes

Show

Date Place Points Reason
2021-02-01 52 -> 35 563.58 -> 512.03
2020-02-01 52 563.58

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 947 2020-02-02 2/20 100% 2.40 CRR double-burning-2020
2 444 2019-11-04 36/64 71% 3.85 EMA Aki Shanten 2019
3 818 2019-09-22 3/12 57% 2.50 CRR Reversed Chun
4 455 2019-03-31 7/12 14% 2.20 CRR Spring Tournament
5 979 2019-01-13 2/48 0% 3.10 RR Agari team tournament 2019
6 533 2018-12-02 8/16 0% 2.30 RR Arkhangelsk Championship
7 516 2018-10-28 16/32 0% 2.70 EMA Tsukimi 2018
8 426 2018-08-19 28/48 0% 3.10 RR Moscow Riichi Open 2018
9 761 2018-06-11 18/72 0% 3.55 EMA RCR Saint Petersburg South Cup 2018
10 451 2018-05-01 40/72 0% 3.85 EMA Haru Shanten 2018
11 533 2018-02-25 8/16 0% 1.40 CRR Winter riichi tournament
12 482 2017-12-11 44/84 0% 3.40 EMA VI Russian Riichi Championship 2017
13 867 2017-11-26 3/16 0% 1.60 RR Arkhangelsk riichi mahjong championship 2017
14 930 2016-12-04 6/72 0% 3.25 EMA Saint Petersburg Riichi Open 2016
15 400 2016-11-27 10/16 0% 1.60 RR Arkhangelsk riichi mahjong tournament 2016
16 667 2016-02-22 14/40 0% 2.60 EMA Ivanovo Region Riichi Championship 2016
17 867 2016-01-07 3/16 0% 1.20 RR Riichi mahjong tournament
18 733 2015-11-29 5/16 0% 1.60 RR Arkhangelsk riichi mahjong championship
19 784 2015-10-18 12/52 0% 2.90 EMA Russian Open Riichi Championship 2015