Grigoryan Andrey

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

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

133 place (228.15).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.80 * 1) = 14.149820000000002

p1 = (548.39 * 1.80 * 1 + 360 * 3.45 * 0.14 + 43.48 * 1.40 * 1 + 538.46 * 1.80 * 0.71 + 0) / (1.80 * 1 + 3.45 * 0.14 + 1.40 * 1 + 1.80 * 0.71 + 1) = 320.7646420778943

p2 = (548.39 * 1.80 * 1 + 538.46 * 1.80 * 0.71 + 360 * 3.45 * 0.14 + 43.48 * 1.40 * 1) / max_coefficients = 135.53317286014945

score = 320.7646420778943 * 0.5 + 135.53317286014945 * 0.5 = 228.14890746902188

Rating changes

Show

all results
Date Place Points Reason
2023-11-20 135 -> 133 228.15
2023-11-06 138 -> 135 225.39 -> 228.15
2023-11-05 132 -> 138 225.39
2023-10-27 131 -> 132 234.57 -> 225.39

Sun tournament: 86% -> 71%
2023-10-22 129 -> 131 234.57
2023-10-19 130 -> 129 234.57
2023-10-12 132 -> 130 234.13 -> 234.57
2023-09-28 130 -> 132 241.22 -> 234.13

Saint Petersburg Open 2021: 29% -> 14%
2023-09-20 132 -> 130 241.22
2023-09-06 133 -> 132 241.22

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 43 2023-04-22 23/24 100% 1.40 CRR Fire cup 2023
2 548 2023-02-25 15/32 100% 1.80 CRR Earth cup
3 538 2022-08-27 19/40 71% 1.80 CRR Sun tournament
4 360 2021-11-28 49/76 14% 3.45 RR Saint Petersburg Open 2021