Zyryanov Denis
From Novosibirsk, Russia
Common russian riichi rating (CRR)
Rating date Sept. 12, 2025 (latest changes Sept. 12, 2025).
248 place (142.11).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (65.42 * 4.60 * 0.57 + 583.33 * 2.20 * 1 + 0 + 0 + 0) / (4.60 * 0.57 + 2.20 * 1 + 1 + 1 + 1) = 185.89655154794568
p2 = (583.33 * 2.20 * 1 + 65.42 * 4.60 * 0.57) / max_coefficients = 98.32972972972972
score = 185.89655154794568 * 0.5 + 98.32972972972972 * 0.5 = 142.1131406388377
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-09-12 | 248 | 138.90 -> 142.11 |
X Russian Championship: 71% -> 57% |
| 2025-09-03 | 258 -> 248 | 138.90 | |
| 2025-09-01 | 258 | 137.57 -> 138.90 | |
| 2025-08-31 | 252 -> 258 | 137.57 | |
| 2025-08-26 | 253 -> 252 | 137.57 | |
| 2025-08-25 | 254 -> 253 | 137.57 | |
| 2025-08-22 | 255 -> 254 | 137.57 | |
| 2025-08-04 | 255 | 137.09 -> 137.57 | |
| 2025-08-03 | 249 -> 255 | 137.09 | |
| 2025-07-30 | 250 -> 249 | 137.09 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 583 |
|
11/25 | 100% | 2.20 | 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 |