Zaviyalov Anton
From Kirov, Russia
Internal rating (RR)
Rating date July 12, 2025 (latest changes July 12, 2025).
150 place (254.68).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.35
p1 = (406.78 * 3.25 * 1 + 426.97 * 3.75 * 1 + 168.22 * 4.60 * 0.71 + 0 + 0) / (3.25 * 1 + 3.75 * 1 + 4.60 * 0.71 + 1 + 1) = 282.92057972713167
p2 = (426.97 * 3.75 * 1 + 406.78 * 3.25 * 1 + 168.22 * 4.60 * 0.71) / max_coefficients = 226.442996742671
score = 282.92057972713167 * 0.5 + 226.442996742671 * 0.5 = 254.68178823490132
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-07-12 | 153 -> 150 | 253.18 -> 254.68 |
X Russian Championship: 86% -> 71% |
| 2025-07-10 | 154 -> 153 | 253.18 | |
| 2025-07-03 | 155 -> 154 | 253.18 | |
| 2025-06-15 | 142 -> 155 | 256.58 -> 253.18 | |
| 2025-06-11 | 149 -> 142 | 256.58 | |
| 2025-06-08 | 148 -> 149 | 256.58 | |
| 2025-05-30 | 150 -> 148 | 256.58 | |
| 2025-05-12 | 150 | 252.54 -> 256.58 |
X Russian Championship: 100% -> 86% |
| 2025-05-03 | 149 -> 150 | 252.54 | |
| 2025-04-26 | 146 -> 149 | 252.54 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City |
|---|---|---|---|---|---|---|---|---|
| 1 | 407 |
|
36/60 | 100% | 3.25 | RR | White Wolf Cup | Saint Petersburg |
| 2 | 427 |
|
52/90 | 100% | 3.75 | RR | Moscow Riichi 2024 | Moscow |
| 3 | 168 |
|
90/108 | 71% | 4.60 | RR | X Russian Championship | Perm |
| 4 | 560 |
|
34/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm |