Medvedev Sergei
From Moscow, Russia
Internal rating (RR)
Rating date Sept. 6, 2024 (latest changes Sept. 6, 2024).
118 place (259.74).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284
p1 = (586.67 * 4.20 * 0.14 + 735.63 * 3.75 * 0.71 + 0 + 0 + 0) / (4.20 * 0.14 + 3.75 * 0.71 + 1 + 1 + 1) = 369.90956081611074
p2 = (735.63 * 3.75 * 0.71 + 586.67 * 4.20 * 0.14) / max_coefficients = 149.57046443934985
score = 369.90956081611074 * 0.5 + 149.57046443934985 * 0.5 = 259.74001262773027
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-09-06 | 115 -> 118 | 280.52 -> 259.74 |
IX Russian Riichi Championship: 29% -> 14% |
| 2024-09-03 | 116 -> 115 | 277.46 -> 280.52 | |
| 2024-09-01 | 103 -> 116 | 281.80 -> 277.46 | |
| 2024-08-11 | 99 -> 103 | 306.14 -> 281.80 |
Money can not buy tenpai: 86% -> 71% |
| 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 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 736 |
|
24/88 | 71% | 3.75 | RR | Money can not buy tenpai |
| 2 | 587 |
|
32/76 | 14% | 4.20 | RR | IX Russian Riichi Championship |
| 3 | 360 |
|
72/112 | 0% | 4.05 | RR | Moscow Riichi 2022 |