Grigoryan Andrey

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date Feb. 19, 2023 (latest changes Feb. 19, 2023).

110 place (191.57).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 2.80 * 1) = 14.55

p1 = (360 * 3.45 * 0.71 + 538.46 * 1.80 * 1 + 0 + 0 + 0) / (3.45 * 0.71 + 1.80 * 1 + 1 + 1 + 1) = 255.54851201107877

p2 = (538.46 * 1.80 * 1 + 360 * 3.45 * 0.71) / max_coefficients = 127.586941580756

score = 255.54851201107877 * 0.5 + 127.586941580756 * 0.5 = 191.5677267959174

Rating changes

Show

all results
Date Place Points Reason
2023-01-28 108 -> 110 200.23 -> 191.57

Saint Petersburg Open 2021: 86% -> 71%
2023-01-14 106 -> 108 200.23
2023-01-05 107 -> 106 200.23
2023-01-03 110 -> 107 200.23
2022-12-19 110 199.57 -> 200.23
2022-12-18 107 -> 110 199.57
2022-12-03 107 199.57

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 538 2022-08-27 19/40 100% 1.80 CRR Sun tournament
2 360 2021-11-28 49/76 71% 3.45 RR Saint Petersburg Open 2021