Grigoryan Andrey

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date Aug. 19, 2023 (latest changes Aug. 19, 2023).

103 place (256.71).

max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.71 + 2.80 * 1) = 13.642914999999999

p1 = (360 * 3.45 * 0.29 + 538.46 * 1.80 * 1 + 548.39 * 1.80 * 1 + 43.48 * 1.40 * 1 + 0) / (3.45 * 0.29 + 1.80 * 1 + 1.80 * 1 + 1.40 * 1 + 1) = 339.55822387703955

p2 = (548.39 * 1.80 * 1 + 538.46 * 1.80 * 1 + 360 * 3.45 * 0.29 + 43.48 * 1.40 * 1) / max_coefficients = 173.86606894494324

score = 339.55822387703955 * 0.5 + 173.86606894494324 * 0.5 = 256.7121464109914

Rating changes

Show

all results
Date Place Points Reason
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
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%

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 29% 3.45 RR Saint Petersburg Open 2021