Medvedev Sergei
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date Aug. 11, 2024 (latest changes Aug. 11, 2024).
82 place (420.55).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.65 * 1 + 3.05 * 1) = 15.3
p1 = (586.67 * 4.20 * 0.29 + 735.63 * 3.75 * 0.71 + 903.23 * 1.80 * 1 + 0 + 0) / (4.20 * 0.29 + 3.75 * 0.71 + 1.80 * 1 + 1 + 1) = 560.0330270043947
p2 = (735.63 * 3.75 * 0.71 + 903.23 * 1.80 * 1 + 586.67 * 4.20 * 0.29) / max_coefficients = 281.06209150326794
score = 560.0330270043947 * 0.5 + 281.06209150326794 * 0.5 = 420.5475592538313
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-08-11 | 75 -> 82 | 437.52 -> 420.55 |
Money can not buy tenpai: 86% -> 71% |
| 2024-08-04 | 67 -> 75 | 443.64 -> 437.52 | |
| 2024-07-14 | 63 -> 67 | 443.64 | |
| 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 |
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 | 71% | 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 |