Medvedev Sergei
From Moscow, Russia
Internal rating (RR)
Rating date Sept. 2, 2023 (latest changes Sept. 2, 2023).
28 place (487.83).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.71 + 3.50 * 0.57) = 12.842815
p1 = (360.36 * 4.05 * 0.71 + 586.67 * 4.20 * 1 + 735.63 * 3.75 * 1 + 0 + 0) / (4.05 * 0.71 + 4.20 * 1 + 3.75 * 1 + 1 + 1) = 487.8261671902368
p2 = (735.63 * 3.75 * 1 + 586.67 * 4.20 * 1 + 360.36 * 4.05 * 0.71) / max_coefficients = 487.82996562669473
score = 487.8261671902368 * 0.5 + 487.82996562669473 * 0.5 = 487.82806640846576
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-09-01 | 28 | 487.83 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 736 |
|
24/88 | 100% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 2 | 587 |
|
32/76 | 100% | 4.20 | RR | IX Russian Riichi Championship | Perm | |
| 3 | 360 |
|
72/112 | 71% | 4.05 | RR | Moscow Riichi 2022 | Moscow |