Medvedev Sergei
From Moscow, Russia
Internal rating (RR)
Rating date Aug. 4, 2024 (latest changes Aug. 4, 2024).
99 place (306.14).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.65 * 1 + 3.75 * 0.86) = 15.464125
p1 = (586.67 * 4.20 * 0.29 + 735.63 * 3.75 * 0.86 + 0 + 0 + 0) / (4.20 * 0.29 + 3.75 * 0.86 + 1 + 1 + 1) = 413.8579847897206
p2 = (735.63 * 3.75 * 0.86 + 586.67 * 4.20 * 0.29) / max_coefficients = 198.41859788381174
score = 413.8579847897206 * 0.5 + 198.41859788381174 * 0.5 = 306.1382913367662
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-08-04 | 92 -> 99 | 310.14 -> 306.14 | |
| 2024-07-14 | 87 -> 92 | 310.14 | |
| 2024-07-06 | 83 -> 87 | 328.46 -> 310.14 |
IX Russian Riichi Championship: 43% -> 29% |
| 2024-06-11 | 72 -> 83 | 378.09 -> 328.46 |
Money can not buy tenpai: 100% -> 86% |
| 2024-06-09 | 70 -> 72 | 378.09 | |
| 2024-05-12 | 48 -> 70 | 403.41 -> 378.09 | |
| 2024-05-06 | 45 -> 48 | 416.34 -> 403.41 |
IX Russian Riichi Championship: 57% -> 43% |
| 2024-04-12 | 43 -> 45 | 419.86 -> 416.34 |
Moscow Riichi 2022: 29% -> 14% |
| 2024-03-30 | 40 -> 43 | 419.86 | |
| 2024-03-20 | 45 -> 40 | 419.86 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 736 |
|
24/88 | 86% | 3.75 | RR | Money can not buy tenpai |
| 2 | 587 |
|
32/76 | 29% | 4.20 | RR | IX Russian Riichi Championship |
| 3 | 360 |
|
72/112 | 0% | 4.05 | RR | Moscow Riichi 2022 |