Demurchev Mikhail
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date May 3, 2025 (latest changes May 3, 2025).
76 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 = (980.39 * 3.05 * 1 + 470.59 * 3.05 * 0.86 + 224.72 * 3.75 * 1 + 261.68 * 4.60 * 1 + 278.48 * 3.65 * 1 + 757.89 * 3.85 * 1 + 333.33 * 3.05 * 1) / (3.05 * 1 + 3.05 * 0.86 + 3.75 * 1 + 4.60 * 1 + 3.65 * 1 + 3.85 * 1 + 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 |
|---|---|---|---|
| 2025-05-03 | 73 -> 76 | 491.49 | |
| 2025-04-26 | 72 -> 73 | 491.49 | |
| 2025-04-25 | 73 -> 72 | 491.49 | |
| 2025-04-22 | 74 -> 73 | 491.49 | |
| 2025-04-13 | 73 -> 74 | 491.49 | |
| 2025-04-11 | 75 -> 73 | 491.49 | |
| 2025-03-26 | 76 -> 75 | 491.49 | |
| 2025-03-10 | 74 -> 76 | 498.08 -> 491.49 |
Agari Spring Tournament 2024: 100% -> 86% |
| 2025-03-02 | 68 -> 74 | 498.08 | |
| 2025-02-25 | 69 -> 68 | 498.08 |
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 |