Medvedev Sergei
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date July 6, 2024 (latest changes July 6, 2024).
63 place (443.64).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 0.86 + 3.05 * 1) = 14.864125000000001
p1 = (586.67 * 4.20 * 0.29 + 735.63 * 3.75 * 0.86 + 903.23 * 1.80 * 1 + 0 + 0) / (4.20 * 0.29 + 3.75 * 0.86 + 1.80 * 1 + 1 + 1) = 571.480746743543
p2 = (735.63 * 3.75 * 0.86 + 903.23 * 1.80 * 1 + 586.67 * 4.20 * 0.29) / max_coefficients = 315.8060094354696
score = 571.480746743543 * 0.5 + 315.8060094354696 * 0.5 = 443.6433780895063
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-07-06 | 61 -> 63 | 456.00 -> 443.64 |
IX Russian Riichi Championship: 43% -> 29% |
| 2024-06-18 | 63 -> 61 | 456.00 | |
| 2024-06-11 | 54 -> 63 | 499.75 -> 456.00 |
Money can not buy tenpai: 100% -> 86% |
| 2024-06-09 | 51 -> 54 | 499.75 | |
| 2024-05-25 | 50 -> 51 | 499.75 | |
| 2024-05-19 | 86 -> 50 | 378.09 -> 499.75 |
"Green Dragon" in the Secret Chamber: 0% -> 100% |
| 2024-05-12 | 71 -> 86 | 394.30 -> 378.09 | |
| 2024-05-06 | 67 -> 71 | 410.29 -> 394.30 |
IX Russian Riichi Championship: 57% -> 43% |
| 2024-05-05 | 66 -> 67 | 410.29 | |
| 2024-04-12 | 67 -> 66 | 413.52 -> 410.29 |
Moscow Riichi 2022: 29% -> 14% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 903 |
|
4/32 | 100% | 1.80 | CRR | "Green Dragon" in the Secret Chamber |
| 2 | 736 |
|
24/88 | 86% | 3.75 | RR | Money can not buy tenpai |
| 3 | 587 |
|
32/76 | 29% | 4.20 | RR | IX Russian Riichi Championship |
| 4 | 360 |
|
72/112 | 0% | 4.05 | RR | Moscow Riichi 2022 |