Grigoryan Andrey

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date April 17, 2023 (latest changes April 17, 2023).

93 place (270.94).

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

p1 = (360 * 3.45 * 0.57 + 548.39 * 1.80 * 1 + 538.46 * 1.80 * 1 + 0 + 0) / (3.45 * 0.57 + 1.80 * 1 + 1.80 * 1 + 1 + 1) = 352.11911249410605

p2 = (548.39 * 1.80 * 1 + 538.46 * 1.80 * 1 + 360 * 3.45 * 0.57) / max_coefficients = 189.7536272629245

score = 352.11911249410605 * 0.5 + 189.7536272629245 * 0.5 = 270.9363698785153

Rating changes

Show

all results
Date Place Points Reason
2023-03-28 93 277.49 -> 270.94

Saint Petersburg Open 2021: 71% -> 57%
2023-03-20 93 274.01 -> 277.49
2023-03-06 95 -> 93 274.01
2023-03-05 96 -> 95 274.01
2023-02-25 110 -> 96 191.57 -> 274.01

Earth cup: 0% -> 100%
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

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 57% 3.45 RR Saint Petersburg Open 2021