Ryabov Aleksandr
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date July 3, 2023 (latest changes July 3, 2023).
77 place (358.88).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 2.80 * 1) = 14.221255
p1 = (594.59 * 4.05 * 0.86 + 347.83 * 2.80 * 1 + 436.78 * 3.75 * 1 + 0 + 0) / (4.05 * 0.86 + 2.80 * 1 + 3.75 * 1 + 1 + 1) = 388.963548315047
p2 = (594.59 * 4.05 * 0.86 + 436.78 * 3.75 * 1 + 347.83 * 2.80 * 1) / max_coefficients = 328.7916572763796
score = 388.963548315047 * 0.5 + 328.7916572763796 * 0.5 = 358.8776027957133
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-06-12 | 72 -> 77 | 368.80 -> 358.88 |
Moscow Riichi 2022: 100% -> 86% |
2023-06-11 | 87 -> 72 | 296.47 -> 368.80 |
Money can not buy tenpai: 0% -> 100% |
2023-05-20 | 89 -> 87 | 292.03 -> 296.47 | |
2023-05-01 | 87 -> 89 | 292.03 | |
2023-04-22 | 85 -> 87 | 292.03 | |
2023-04-19 | 86 -> 85 | 292.03 | |
2023-03-28 | 87 -> 86 | 292.03 | |
2023-03-20 | 88 -> 87 | 287.90 -> 292.03 | |
2023-03-06 | 89 -> 88 | 287.90 | |
2023-02-25 | 83 -> 89 | 287.90 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 437 |
|
50/88 | 100% | 3.75 | RR | Money can not buy tenpai |
2 | 348 |
|
16/24 | 100% | 2.80 | CRR | Meeting in the billiard room |
3 | 595 |
|
46/112 | 86% | 4.05 | RR | Moscow Riichi 2022 |