Demurchev Mikhail
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date Dec. 11, 2024 (latest changes Dec. 11, 2024).
58 place (506.67).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (470.59 * 3.05 * 1 + 261.68 * 4.60 * 1 + 980.39 * 3.05 * 1 + 278.48 * 3.65 * 1 + 757.89 * 3.85 * 1 + 224.72 * 3.75 * 1) / (3.05 * 1 + 4.60 * 1 + 3.05 * 1 + 3.65 * 1 + 3.85 * 1 + 3.75 * 1) = 474.09020501138957
p2 = (980.39 * 3.05 * 1 + 757.89 * 3.85 * 1 + 470.59 * 3.05 * 1 + 261.68 * 4.60 * 1) / max_coefficients = 539.25047318612
score = 474.09020501138957 * 0.5 + 539.25047318612 * 0.5 = 506.67033909875477
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-11-05 | 60 -> 58 | 506.67 | |
| 2024-11-03 | 63 -> 60 | 506.67 | |
| 2024-10-27 | 64 -> 63 | 506.67 | |
| 2024-10-25 | 65 -> 64 | 506.67 | |
| 2024-10-13 | 49 -> 65 | 537.95 -> 506.67 |
Moscow Riichi 2024: 0% -> 100% |
| 2024-10-11 | 51 -> 49 | 537.95 | |
| 2024-09-03 | 56 -> 51 | 528.17 -> 537.95 | |
| 2024-09-01 | 74 -> 56 | 433.65 -> 528.17 |
SPB Riichi Open 2024: 0% -> 100% |
| 2024-08-25 | 73 -> 74 | 433.65 | |
| 2024-08-11 | 78 -> 73 | 431.35 -> 433.65 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 225 |
|
70/90 | 100% | 3.75 | RR | Moscow Riichi 2024 | Moscow | |
| 2 | 758 |
|
24/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
| 3 | 278 |
|
58/80 | 100% | 3.65 | RR | Riichi over Volga | Samara | |
| 4 | 980 |
|
🥈 | 2/52 | 100% | 3.05 | RR | Agari Summer Tournament 2024 | Moscow |
| 5 | 262 |
|
80/108 | 100% | 4.60 | RR | X Russian Championship | Perm | |
| 6 | 471 |
|
28/52 | 100% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow |