Zadiran Anatolii
From Moscow, Russia
Internal rating (RR)
Rating date May 10, 2026 (latest changes May 7, 2026).
166 place (269.80).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85
p1 = (87.72 * 3.90 * 1 + 129.03 * 3 * 1 + 920 * 3.10 * 1 + 0 + 0) / (3.90 * 1 + 3 * 1 + 3.10 * 1 + 1 + 1) = 298.43416666666667
p2 = (920 * 3.10 * 1 + 129.03 * 3 * 1 + 87.72 * 3.90 * 1) / max_coefficients = 241.15892255892257
score = 298.43416666666667 * 0.5 + 241.15892255892257 * 0.5 = 269.7965446127946
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-05-03 | 163 -> 166 | 268.99 -> 269.80 | |
| 2026-05-01 | 166 -> 163 | 268.99 | |
| 2026-04-19 | 162 -> 166 | 268.99 | |
| 2026-04-13 | 163 -> 162 | 268.99 | |
| 2026-04-11 | 159 -> 163 | 268.99 | |
| 2026-04-05 | 222 -> 159 | 61.22 -> 268.99 |
Moscow Riichi 2026: 0% -> 100% |
| 2026-04-04 | 223 -> 222 | 61.22 | |
| 2026-03-30 | 228 -> 223 | 61.22 | |
| 2026-03-12 | 229 -> 228 | 61.22 | |
| 2026-03-10 | 231 -> 229 | 61.22 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 920 |
|
5/51 | 100% | 3.10 | RR | Moscow Riichi 2026 | Moscow | |
| 2 | 129 |
|
28/32 | 100% | 3.00 | RR | Final Cup 2025 | Moscow | |
| 3 | 88 |
|
53/58 | 100% | 3.90 | RR | XI Russian Championship | Moscow |