Medvedev Sergei
From Moscow, Russia
Internal rating (RR)
Rating date March 20, 2024 (latest changes March 20, 2024).
40 place (419.86).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 4.20 * 0.57) = 13.19988
p1 = (360.36 * 4.05 * 0.29 + 586.67 * 4.20 * 0.57 + 735.63 * 3.75 * 1 + 0 + 0) / (4.05 * 0.29 + 4.20 * 0.57 + 3.75 * 1 + 1 + 1) = 492.4827803693256
p2 = (735.63 * 3.75 * 1 + 586.67 * 4.20 * 0.57 + 360.36 * 4.05 * 0.29) / max_coefficients = 347.239520359276
score = 492.4827803693256 * 0.5 + 347.239520359276 * 0.5 = 419.8611503643008
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
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% |
2024-01-20 | 36 -> 34 | 451.29 | |
2024-01-06 | 34 -> 36 | 457.89 -> 451.29 |
IX Russian Riichi Championship: 86% -> 71% |
2023-12-19 | 36 -> 34 | 457.89 | |
2023-12-12 | 36 | 453.27 -> 457.89 |
Moscow Riichi 2022: 57% -> 43% |
2023-11-28 | 37 -> 36 | 453.27 | |
2023-11-20 | 38 -> 37 | 453.27 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 736 |
|
24/88 | 100% | 3.75 | RR | Money can not buy tenpai |
2 | 587 |
|
32/76 | 57% | 4.20 | RR | IX Russian Riichi Championship |
3 | 360 |
|
72/112 | 29% | 4.05 | RR | Moscow Riichi 2022 |