Demurchev Mikhail
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date Nov. 6, 2026 (latest changes Nov. 4, 2026).
289 place (188.26).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.40 * 1 + 3.40 * 1 + 3.40 * 1) = 14.91
p1 = (333.33 * 3.05 * 0.29 + 588.24 * 2.30 * 1 + 0 + 0 + 0) / (3.05 * 0.29 + 2.30 * 1 + 1 + 1 + 1) = 266.29354674842034
p2 = (588.24 * 2.30 * 1 + 333.33 * 3.05 * 0.29) / max_coefficients = 110.22132796780684
score = 266.29354674842034 * 0.5 + 110.22132796780684 * 0.5 = 188.25743735811358
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-11-04 | 291 -> 289 | 186.47 -> 188.26 | |
| 2026-11-01 | 286 -> 291 | 186.47 | |
| 2026-10-31 | 284 -> 286 | 186.47 | |
| 2026-10-24 | 282 -> 284 | 186.47 | |
| 2026-10-16 | 283 -> 282 | 186.47 | |
| 2026-10-13 | 272 -> 283 | 211.75 -> 186.47 |
Moscow Riichi 2024: 14% -> 0% |
| 2026-10-10 | 270 -> 272 | 211.75 | |
| 2026-10-03 | 271 -> 270 | 211.75 | |
| 2026-10-02 | 270 -> 271 | 217.33 -> 211.75 |
Agari Winter Tournament 2025: 43% -> 29% |
| 2026-09-26 | 269 -> 270 | 217.33 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 588 |
|
22/52 | 100% | 2.30 | CRR | "Furin" club tournament: for the anniversary | Moscow | |
| 2 | 333 |
|
35/52 | 29% | 3.05 | RR | Agari Winter Tournament 2025 | Moscow | |
| 3 | 225 |
|
70/90 | 0% | 3.75 | RR | Moscow Riichi 2024 | Moscow | |
| 4 | 758 |
|
24/96 | 0% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
| 5 | 278 |
|
58/80 | 0% | 3.65 | RR | Riichi over Volga | Samara | |
| 6 | 980 |
|
🥈 | 2/52 | 0% | 3.05 | RR | Agari Summer Tournament 2024 | Moscow |
| 7 | 262 |
|
80/108 | 0% | 4.60 | RR | X Russian Championship | Perm | |
| 8 | 471 |
|
28/52 | 0% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow |