Medvedev Sergei
From Moscow, Russia
Internal rating (RR)
Rating date June 11, 2024 (latest changes June 11, 2024).
83 place (328.46).
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 * 0.43 + 735.63 * 3.75 * 0.86 + 0 + 0 + 0) / (4.20 * 0.43 + 3.75 * 0.86 + 1 + 1 + 1) = 426.80002919800927
p2 = (735.63 * 3.75 * 0.86 + 586.67 * 4.20 * 0.43) / max_coefficients = 230.11647170620532
score = 426.80002919800927 * 0.5 + 230.11647170620532 * 0.5 = 328.4582504521073
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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 | |
| 2024-03-10 | 34 -> 45 | 448.93 -> 419.86 | |
| 2024-03-06 | 32 -> 34 | 456.35 -> 448.93 |
IX Russian Riichi Championship: 71% -> 57% |
| 2024-02-12 | 34 -> 32 | 451.29 -> 456.35 |
Moscow Riichi 2022: 43% -> 29% |
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 | 43% | 4.20 | RR | IX Russian Riichi Championship |
| 3 | 360 |
|
72/112 | 14% | 4.05 | RR | Moscow Riichi 2022 |