Perfilev Roman

From Arkhangelsk, Russia

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Common russian riichi rating (CRR)

Rating date Feb. 1, 2020 (latest changes Feb. 1, 2020).

177 place (276.26).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.85 * 1 + 3.45 * 1) = 15.55

p1 = (333.33 * 1.40 * 0.14 + 333.33 * 2.30 * 0.86 + 363.64 * 2.20 * 1 + 545.45 * 2.50 * 1 + 0) / (1.40 * 0.14 + 2.30 * 0.86 + 2.20 * 1 + 2.50 * 1 + 1) = 366.8272058683409

p2 = (545.45 * 2.50 * 1 + 363.64 * 2.20 * 1 + 333.33 * 2.30 * 0.86 + 333.33 * 1.40 * 0.14) / max_coefficients = 185.687459807074

score = 366.8272058683409 * 0.5 + 185.687459807074 * 0.5 = 276.25733283770745

Rating changes

Show

all results
Date Place Points Reason
2020-02-01 177 276.26

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 545 2019-09-22 6/12 100% 2.50 CRR Reversed Chun
2 364 2019-03-31 8/12 100% 2.20 CRR Spring Tournament
3 333 2018-12-02 11/16 86% 2.30 RR Arkhangelsk Championship
4 333 2018-02-25 11/16 14% 1.40 CRR Winter riichi tournament
5 600 2017-11-26 7/16 0% 1.60 RR Arkhangelsk riichi mahjong championship 2017
6 1000 2016-11-27 1/16 0% 1.60 RR Arkhangelsk riichi mahjong tournament 2016
7 400 2015-11-29 10/16 0% 1.60 RR Arkhangelsk riichi mahjong championship