Zyryanov Denis
From Novosibirsk, Russia
Common russian riichi rating (CRR)
Rating date June 29, 2026 (latest changes June 29, 2026).
221 place (262.64).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997
p1 = (677.42 * 2.40 * 0.71 + 571.43 * 2.50 * 1 + 0 + 0 + 0) / (2.40 * 0.71 + 2.50 * 1 + 1 + 1 + 1) = 358.9915612282239
p2 = (571.43 * 2.50 * 1 + 677.42 * 2.40 * 0.71) / max_coefficients = 166.2939326870043
score = 358.9915612282239 * 0.5 + 166.2939326870043 * 0.5 = 262.64274695761407
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-06-26 | 222 -> 221 | 262.64 | |
| 2026-06-16 | 224 -> 222 | 262.64 | |
| 2026-06-15 | 224 | 259.63 -> 262.64 | |
| 2026-06-14 | 208 -> 224 | 266.70 -> 259.63 | |
| 2026-06-13 | 199 -> 208 | 281.74 -> 266.70 |
Akademgorodok Riichi Mahjong Tournament 2025: 86% -> 71% |
| 2026-06-04 | 201 -> 199 | 281.74 | |
| 2026-06-02 | 202 -> 201 | 281.74 | |
| 2026-05-31 | 197 -> 202 | 281.74 | |
| 2026-05-25 | 198 -> 197 | 281.74 | |
| 2026-05-19 | 200 -> 198 | 281.74 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 571 |
|
16/36 | 100% | 2.50 | CRR | Akademgorodok Riichi Mahjong Tournament 2026 | Novosibirsk | |
| 2 | 677 |
|
11/32 | 71% | 2.40 | CRR | Akademgorodok Riichi Mahjong Tournament 2025 | Novosibirsk | |
| 3 | 65 |
|
101/108 | 0% | 4.60 | RR | X Russian Championship | Perm | |
| 4 | 345 |
|
58/88 | 0% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 5 | 547 |
|
35/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm |