Medvedev Sergei
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date June 9, 2024 (latest changes June 9, 2024).
54 place (499.75).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 1 + 3.05 * 1) = 15.399999999999999
p1 = (360.36 * 4.05 * 0.14 + 586.67 * 4.20 * 0.43 + 735.63 * 3.75 * 1 + 903.23 * 1.80 * 1 + 0) / (4.05 * 0.14 + 4.20 * 0.43 + 3.75 * 1 + 1.80 * 1 + 1) = 632.6739176815867
p2 = (735.63 * 3.75 * 1 + 903.23 * 1.80 * 1 + 586.67 * 4.20 * 0.43 + 360.36 * 4.05 * 0.14) / max_coefficients = 366.822077922078
score = 632.6739176815867 * 0.5 + 366.822077922078 * 0.5 = 499.7479978018323
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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 | |
| 2024-05-06 | 67 -> 71 | 410.29 -> 394.30 |
IX Russian Riichi Championship: 57% -> 43% |
| 2024-05-05 | 66 -> 67 | 410.29 | |
| 2024-04-12 | 67 -> 66 | 413.52 -> 410.29 |
Moscow Riichi 2022: 29% -> 14% |
| 2024-03-30 | 64 -> 67 | 413.52 | |
| 2024-03-20 | 67 -> 64 | 413.52 | |
| 2024-03-10 | 59 -> 67 | 421.86 -> 413.52 |
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 | 100% | 3.75 | RR | Money can not buy tenpai |
| 3 | 587 |
|
32/76 | 43% | 4.20 | RR | IX Russian Riichi Championship |
| 4 | 360 |
|
72/112 | 14% | 4.05 | RR | Moscow Riichi 2022 |