Ryabov Aleksandr
From Moscow, Russia
Internal rating (RR)
Rating date June 12, 2023 (latest changes June 12, 2023).
75 place (314.05).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 3.50 * 0.71) = 13.921305
p1 = (594.59 * 4.05 * 0.86 + 436.78 * 3.75 * 1 + 0 + 0 + 0) / (4.05 * 0.86 + 3.75 * 1 + 1 + 1 + 1) = 362.17861700935947
p2 = (594.59 * 4.05 * 0.86 + 436.78 * 3.75 * 1) / max_coefficients = 265.9175989607296
score = 362.17861700935947 * 0.5 + 265.9175989607296 * 0.5 = 314.04810798504457
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-06-12 | 73 -> 75 | 326.83 -> 314.05 |
Moscow Riichi 2022: 100% -> 86% |
2023-06-11 | 73 | 326.83 |
Money can not buy tenpai: 0% -> 100% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 437 |
|
50/88 | 100% | 3.75 | RR | Money can not buy tenpai |
2 | 595 |
|
46/112 | 86% | 4.05 | RR | Moscow Riichi 2022 |