Medvedev Sergei
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date June 12, 2023 (latest changes June 12, 2023).
39 place (468.77).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 2.80 * 1) = 14.221255
p1 = (360.36 * 4.05 * 0.86 + 586.67 * 4.20 * 1 + 735.63 * 3.75 * 1 + 0 + 0) / (4.05 * 0.86 + 4.20 * 1 + 3.75 * 1 + 1 + 1) = 482.33343305078404
p2 = (735.63 * 3.75 * 1 + 586.67 * 4.20 * 1 + 360.36 * 4.05 * 0.86) / max_coefficients = 455.2003321788408
score = 482.33343305078404 * 0.5 + 455.2003321788408 * 0.5 = 468.7668826148124
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-06-12 | 43 -> 39 | 464.39 -> 468.77 |
Moscow Riichi 2022: 100% -> 86% |
2023-06-11 | 76 -> 43 | 319.15 -> 464.39 |
Money can not buy tenpai: 0% -> 100% |
2023-05-28 | 78 -> 76 | 319.15 | |
2023-05-20 | 78 | 314.00 -> 319.15 | |
2023-05-06 | 79 -> 78 | 314.00 | |
2023-05-05 | 80 -> 79 | 314.00 | |
2023-05-03 | 79 -> 80 | 314.00 | |
2023-05-01 | 78 -> 79 | 314.00 | |
2023-04-19 | 79 -> 78 | 314.00 | |
2023-03-28 | 80 -> 79 | 314.00 |
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 | 100% | 4.20 | RR | IX Russian Riichi Championship |
3 | 360 |
|
72/112 | 86% | 4.05 | RR | Moscow Riichi 2022 |