Medvedev Sergei
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date Jan. 20, 2024 (latest changes Jan. 20, 2024).
52 place (433.72).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 2.90 * 1) = 13.650060000000002
p1 = (360.36 * 4.05 * 0.43 + 586.67 * 4.20 * 0.71 + 735.63 * 3.75 * 1 + 0 + 0) / (4.05 * 0.43 + 4.20 * 0.71 + 3.75 * 1 + 1 + 1) = 490.5811523866834
p2 = (735.63 * 3.75 * 1 + 586.67 * 4.20 * 0.71 + 360.36 * 4.05 * 0.43) / max_coefficients = 376.86134712960967
score = 490.5811523866834 * 0.5 + 376.86134712960967 * 0.5 = 433.72124975814654
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-01-20 | 54 -> 52 | 433.72 | |
2024-01-06 | 51 -> 54 | 440.73 -> 433.72 |
IX Russian Riichi Championship: 86% -> 71% |
2023-12-19 | 52 -> 51 | 440.73 | |
2023-12-12 | 53 -> 52 | 444.69 -> 440.73 |
Moscow Riichi 2022: 57% -> 43% |
2023-11-28 | 55 -> 53 | 444.69 | |
2023-11-26 | 51 -> 55 | 446.11 -> 444.69 | |
2023-11-20 | 53 -> 51 | 446.11 | |
2023-11-06 | 50 -> 53 | 452.23 -> 446.11 |
IX Russian Riichi Championship: 100% -> 86% |
2023-11-05 | 48 -> 50 | 452.23 | |
2023-10-27 | 49 -> 48 | 452.23 |
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 | 71% | 4.20 | RR | IX Russian Riichi Championship |
3 | 360 |
|
72/112 | 43% | 4.05 | RR | Moscow Riichi 2022 |