Grigoryan Andrey

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date Sept. 5, 2023 (latest changes Sept. 5, 2023).

132 place (241.22).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915

p1 = (360 * 3.45 * 0.29 + 538.46 * 1.80 * 0.86 + 548.39 * 1.80 * 1 + 43.48 * 1.40 * 1 + 0) / (3.45 * 0.29 + 1.80 * 0.86 + 1.80 * 1 + 1.40 * 1 + 1) = 331.9548573258754

p2 = (548.39 * 1.80 * 1 + 538.46 * 1.80 * 0.86 + 360 * 3.45 * 0.29 + 43.48 * 1.40 * 1) / max_coefficients = 150.47852797108925

score = 331.9548573258754 * 0.5 + 150.47852797108925 * 0.5 = 241.21669264848234

Rating changes

Show

all results
Date Place Points Reason
2023-09-03 113 -> 132 247.83 -> 241.22
2023-08-27 104 -> 113 256.71 -> 247.83

Sun tournament: 100% -> 86%
2023-08-26 103 -> 104 256.71
2023-08-19 104 -> 103 256.71
2023-08-12 106 -> 104 253.18 -> 256.71
2023-07-28 107 -> 106 260.09 -> 253.18

Saint Petersburg Open 2021: 43% -> 29%
2023-07-20 108 -> 107 260.09
2023-07-06 109 -> 108 260.09
2023-07-03 110 -> 109 260.09
2023-06-19 111 -> 110 260.09

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 86% 1.80 CRR Sun tournament
4 360 2021-11-28 49/76 29% 3.45 RR Saint Petersburg Open 2021