Grigoryan Andrey

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date June 11, 2023 (latest changes June 11, 2023).

112 place (256.59).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.75 * 1 + 2.80 * 1) = 14.8

p1 = (360 * 3.45 * 0.43 + 548.39 * 1.80 * 1 + 43.48 * 1.40 * 1 + 538.46 * 1.80 * 1 + 0) / (3.45 * 0.43 + 1.80 * 1 + 1.40 * 1 + 1.80 * 1 + 1) = 340.9055353425141

p2 = (548.39 * 1.80 * 1 + 538.46 * 1.80 * 1 + 360 * 3.45 * 0.43 + 43.48 * 1.40 * 1) / max_coefficients = 172.26486486486485

score = 340.9055353425141 * 0.5 + 172.26486486486485 * 0.5 = 256.5852001036895

Rating changes

Show

all results
Date Place Points Reason
2023-06-11 97 -> 112 264.53 -> 256.59
2023-05-28 96 -> 97 271.67 -> 264.53

Saint Petersburg Open 2021: 57% -> 43%
2023-05-20 97 -> 96 268.09 -> 271.67
2023-05-06 98 -> 97 268.09
2023-05-05 99 -> 98 268.09
2023-05-01 96 -> 99 268.09
2023-04-22 93 -> 96 270.94 -> 268.09

Fire cup 2023: 0% -> 100%
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

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 19/40 100% 1.80 CRR Sun tournament
4 360 2021-11-28 49/76 43% 3.45 RR Saint Petersburg Open 2021