Grigoryan Andrey

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

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

107 place (260.09).

max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 2.80 * 1) = 14.221255

p1 = (360 * 3.45 * 0.43 + 538.46 * 1.80 * 1 + 548.39 * 1.80 * 1 + 43.48 * 1.40 * 1 + 0) / (3.45 * 0.43 + 1.80 * 1 + 1.80 * 1 + 1.40 * 1 + 1) = 340.90553534251416

p2 = (548.39 * 1.80 * 1 + 538.46 * 1.80 * 1 + 360 * 3.45 * 0.43 + 43.48 * 1.40 * 1) / max_coefficients = 179.27531712215273

score = 340.90553534251416 * 0.5 + 179.27531712215273 * 0.5 = 260.09042623233347

Rating changes

Show

all results
Date Place Points Reason
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
2023-06-12 112 -> 111 256.59 -> 260.09
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

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