Demurchev Mikhail
From Moscow, Russia
Internal rating (RR)
Rating date Feb. 3, 2025 (latest changes Feb. 3, 2025).
56 place (498.08).
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 + 278.48 * 3.65 * 1 + 980.39 * 3.05 * 1 + 757.89 * 3.85 * 1 + 333.33 * 3.05 * 1 + 224.72 * 3.75 * 1) / (3.05 * 1 + 4.60 * 1 + 3.65 * 1 + 3.05 * 1 + 3.85 * 1 + 3.05 * 1 + 3.75 * 1) = 456.918
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 = 456.918 * 0.5 + 539.25047318612 * 0.5 = 498.08423659306
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-02-02 | 53 -> 56 | 506.67 -> 498.08 |
Agari Winter Tournament 2025: 0% -> 100% |
| 2025-01-26 | 54 -> 53 | 506.67 | |
| 2025-01-07 | 51 -> 54 | 506.67 | |
| 2025-01-03 | 54 -> 51 | 506.67 | |
| 2024-11-03 | 57 -> 54 | 506.67 | |
| 2024-10-13 | 44 -> 57 | 537.95 -> 506.67 |
Moscow Riichi 2024: 0% -> 100% |
| 2024-10-11 | 46 -> 44 | 537.95 | |
| 2024-09-06 | 47 -> 46 | 537.95 | |
| 2024-09-03 | 52 -> 47 | 528.17 -> 537.95 | |
| 2024-09-01 | 63 -> 52 | 433.65 -> 528.17 |
SPB Riichi Open 2024: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 333 |
|
35/52 | 100% | 3.05 | RR | Agari Winter Tournament 2025 |
| 2 | 225 |
|
70/90 | 100% | 3.75 | RR | Moscow Riichi 2024 |
| 3 | 758 |
|
24/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 |
| 4 | 278 |
|
58/80 | 100% | 3.65 | RR | Riichi over Volga |
| 5 | 980 |
|
2/52 | 100% | 3.05 | RR | Agari Summer Tournament 2024 |
| 6 | 262 |
|
80/108 | 100% | 4.60 | RR | X Russian Championship |
| 7 | 471 |
|
28/52 | 100% | 3.05 | RR | Agari Spring Tournament 2024 |