Zyryanov Denis
From Novosibirsk, Russia
Common russian riichi rating (CRR)
Rating date Nov. 5, 2025 (latest changes Nov. 5, 2025).
238 place (172.09).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (65.42 * 4.60 * 0.57 + 677.42 * 2.40 * 1 + 0 + 0 + 0) / (4.60 * 0.57 + 2.40 * 1 + 1 + 1 + 1) = 223.92395035648272
p2 = (677.42 * 2.40 * 1 + 65.42 * 4.60 * 0.57) / max_coefficients = 120.25150501672242
score = 223.92395035648272 * 0.5 + 120.25150501672242 * 0.5 = 172.08772768660256
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-11-04 | 229 -> 238 | 174.82 -> 172.09 | |
| 2025-11-01 | 229 | 174.60 -> 174.82 | |
| 2025-10-13 | 229 | 172.70 -> 174.60 | |
| 2025-10-04 | 230 -> 229 | 172.70 | |
| 2025-09-25 | 231 -> 230 | 172.70 | |
| 2025-09-15 | 232 -> 231 | 172.70 | |
| 2025-09-14 | 233 -> 232 | 172.70 | |
| 2025-09-12 | 238 -> 233 | 168.15 -> 172.70 |
X Russian Championship: 71% -> 57% |
| 2025-09-03 | 246 -> 238 | 168.15 | |
| 2025-09-01 | 246 | 166.52 -> 168.15 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 677 |
|
11/32 | 100% | 2.40 | CRR | Akademgorodok Riichi Mahjong Tournament 2025 | Novosibirsk | |
| 2 | 65 |
|
101/108 | 57% | 4.60 | RR | X Russian Championship | Perm | |
| 3 | 345 |
|
58/88 | 0% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 4 | 547 |
|
35/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm |