Grigoryan Andrey
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date Nov. 6, 2022 (latest changes Nov. 6, 2022).
108 place (206.75).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.45 * 1) = 15.2
p1 = (360 * 3.45 * 1 + 538.46 * 1.80 * 1 + 0 + 0 + 0) / (3.45 * 1 + 1.80 * 1 + 1 + 1 + 1) = 268.02787878787876
p2 = (360 * 3.45 * 1 + 538.46 * 1.80 * 1) / max_coefficients = 145.47565789473686
score = 268.02787878787876 * 0.5 + 145.47565789473686 * 0.5 = 206.7517683413078
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2022-11-06 | 87 -> 108 | 211.33 -> 206.75 | |
2022-11-03 | 88 -> 87 | 211.33 | |
2022-08-27 | 88 | 211.33 |
Sun tournament: 0% -> 100% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 538 |
|
19/40 | 100% | 1.80 | CRR | Sun tournament |
2 | 360 |
|
49/76 | 100% | 3.45 | RR | Saint Petersburg Open 2021 |