Zaviyalov Anton
From Kirov, Russia
Common russian riichi rating (CRR)
Rating date Nov. 30, 2025 (latest changes Nov. 30, 2025).
159 place (302.06).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (168.22 * 4.60 * 0.43 + 426.97 * 3.75 * 0.86 + 526.32 * 1.50 * 1 + 406.78 * 3.25 * 1 + 0) / (4.60 * 0.43 + 3.75 * 0.86 + 1.50 * 1 + 3.25 * 1 + 1) = 348.90178347309745
p2 = (426.97 * 3.75 * 0.86 + 406.78 * 3.25 * 1 + 526.32 * 1.50 * 1 + 168.22 * 4.60 * 0.43) / max_coefficients = 255.21605351170567
score = 348.90178347309745 * 0.5 + 255.21605351170567 * 0.5 = 302.0589184924016
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-11-25 | 160 -> 159 | 302.06 | |
| 2025-11-22 | 157 -> 160 | 302.06 | |
| 2025-11-12 | 158 -> 157 | 300.64 -> 302.06 |
X Russian Championship: 57% -> 43% |
| 2025-11-10 | 159 -> 158 | 300.64 | |
| 2025-11-04 | 154 -> 159 | 306.60 -> 300.64 | |
| 2025-11-01 | 155 -> 154 | 306.13 -> 306.60 | |
| 2025-10-13 | 153 -> 155 | 311.65 -> 306.13 |
Moscow Riichi 2024: 100% -> 86% |
| 2025-10-04 | 154 -> 153 | 311.65 | |
| 2025-09-26 | 153 -> 154 | 311.65 | |
| 2025-09-25 | 154 -> 153 | 311.65 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 407 |
|
36/60 | 100% | 3.25 | RR | White Wolf Cup | Saint Petersburg | |
| 2 | 526 |
|
10/20 | 100% | 1.50 | CRR | Dirty Riichi | Kirov | |
| 3 | 427 |
|
52/90 | 86% | 3.75 | RR | Moscow Riichi 2024 | Moscow | |
| 4 | 168 |
|
90/108 | 43% | 4.60 | RR | X Russian Championship | Perm | |
| 5 | 560 |
|
34/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm | |
| 6 | 467 |
|
9/16 | 0% | 1.20 | CRR | Vyatka rooster | Kirov |