Demurchev Mikhail
From Moscow, Russia
Internal rating (RR)
Rating date April 11, 2025 (latest changes April 11, 2025).
63 place (491.49).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (261.68 * 4.60 * 1 + 278.48 * 3.65 * 1 + 757.89 * 3.85 * 1 + 224.72 * 3.75 * 1 + 333.33 * 3.05 * 1 + 470.59 * 3.05 * 0.86 + 980.39 * 3.05 * 1) / (4.60 * 1 + 3.65 * 1 + 3.85 * 1 + 3.75 * 1 + 3.05 * 1 + 3.05 * 0.86 + 3.05 * 1) = 456.6755909169275
p2 = (980.39 * 3.05 * 1 + 757.89 * 3.85 * 1 + 470.59 * 3.05 * 0.86 + 261.68 * 4.60 * 1) / max_coefficients = 526.3104100946373
score = 456.6755909169275 * 0.5 + 526.3104100946373 * 0.5 = 491.4930005057824
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-04-11 | 64 -> 63 | 491.49 | |
| 2025-03-30 | 65 -> 64 | 491.49 | |
| 2025-03-10 | 64 -> 65 | 498.08 -> 491.49 |
Agari Spring Tournament 2024: 100% -> 86% |
| 2025-03-03 | 65 -> 64 | 498.08 | |
| 2025-03-02 | 62 -> 65 | 498.08 | |
| 2025-02-16 | 54 -> 62 | 498.08 | |
| 2025-02-11 | 56 -> 54 | 498.08 | |
| 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 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 333 |
|
35/52 | 100% | 3.05 | RR | Agari Winter Tournament 2025 | Moscow |
| 2 | 225 |
|
70/90 | 100% | 3.75 | RR | Moscow Riichi 2024 | Moscow |
| 3 | 758 |
|
24/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg |
| 4 | 278 |
|
58/80 | 100% | 3.65 | RR | Riichi over Volga | Samara |
| 5 | 980 |
|
2/52 | 100% | 3.05 | RR | Agari Summer Tournament 2024 | Moscow |
| 6 | 262 |
|
80/108 | 100% | 4.60 | RR | X Russian Championship | Perm |
| 7 | 471 |
|
28/52 | 86% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow |