Grigoryan Andrey
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date Aug. 26, 2023 (latest changes Aug. 26, 2023).
104 place (256.71).
how we calculated rating score
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
Date | Place | Points | Reason |
---|---|---|---|
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 | |
2023-06-12 | 112 -> 111 | 256.59 -> 260.09 | |
2023-06-11 | 97 -> 112 | 264.53 -> 256.59 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 43 |
|
23/24 | 100% | 1.40 | CRR | Fire cup 2023 |
2 | 548 |
|
15/32 | 100% | 1.80 | CRR | Earth cup |
3 | 538 |
|
19/40 | 100% | 1.80 | CRR | Sun tournament |
4 | 360 |
|
49/76 | 29% | 3.45 | RR | Saint Petersburg Open 2021 |