Grigoryan Andrey

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date March 20, 2023 (latest changes March 20, 2023).

94 place (277.49).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 2.80 * 1) = 14.04985

p1 = (360 * 3.45 * 0.71 + 538.46 * 1.80 * 1 + 548.39 * 1.80 * 1 + 0 + 0) / (3.45 * 0.71 + 1.80 * 1 + 1.80 * 1 + 1 + 1) = 352.60067941125953

p2 = (548.39 * 1.80 * 1 + 538.46 * 1.80 * 1 + 360 * 3.45 * 0.71) / max_coefficients = 202.38579059562912

score = 352.60067941125953 * 0.5 + 202.38579059562912 * 0.5 = 277.49323500344434

Rating changes

Show

all results
Date Place Points Reason
2023-03-20 94 274.01 -> 277.49
2023-03-06 96 -> 94 274.01
2023-03-05 97 -> 96 274.01
2023-02-25 111 -> 97 191.57 -> 274.01

Earth cup: 0% -> 100%
2023-01-28 109 -> 111 200.23 -> 191.57

Saint Petersburg Open 2021: 86% -> 71%
2023-01-14 107 -> 109 200.23
2023-01-05 108 -> 107 200.23
2023-01-03 111 -> 108 200.23
2022-12-19 111 199.57 -> 200.23
2022-12-18 108 -> 111 199.57

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 548 2023-02-25 15/32 100% 1.80 CRR Earth cup
2 538 2022-08-27 19/40 100% 1.80 CRR Sun tournament
3 360 2021-11-28 49/76 71% 3.45 RR Saint Petersburg Open 2021