Demurchev Mikhail
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date May 20, 2025 (latest changes May 19, 2025).
75 place (493.07).
how we calculated rating score
max_coefficients = (4.60 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.19266
p1 = (470.59 * 3.05 * 0.71 + 261.68 * 4.60 * 0.86 + 980.39 * 3.05 * 1 + 278.48 * 3.65 * 1 + 757.89 * 3.85 * 1 + 224.72 * 3.75 * 1 + 333.33 * 3.05 * 1) / (3.05 * 0.71 + 4.60 * 0.86 + 3.05 * 1 + 3.65 * 1 + 3.85 * 1 + 3.75 * 1 + 3.05 * 1) = 461.8781894038564
p2 = (980.39 * 3.05 * 1 + 757.89 * 3.85 * 1 + 261.68 * 4.60 * 0.86 + 470.59 * 3.05 * 0.71) / max_coefficients = 524.2689561933197
score = 461.8781894038564 * 0.5 + 524.2689561933197 * 0.5 = 493.0735727985881
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-05-12 | 76 -> 75 | 484.90 -> 493.07 |
X Russian Championship: 100% -> 86% |
| 2025-05-10 | 75 -> 76 | 491.49 -> 484.90 |
Agari Spring Tournament 2024: 86% -> 71% |
| 2025-05-05 | 76 -> 75 | 491.49 | |
| 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 |
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 | 86% | 4.60 | RR | X Russian Championship | Perm |
| 7 | 471 |
|
28/52 | 71% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow |