Melkov Dmitrii
From Saint Petersburg, Russia
Internal rating (RR)
Rating date Feb. 8, 2026 (latest changes Feb. 8, 2026).
113 place (374.16).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (333.33 * 3.05 * 0.14 + 826.09 * 2.10 * 0.14 + 579.44 * 4.60 * 0.29 + 677.97 * 3.25 * 1 + 171.43 * 1.90 * 1) / (3.05 * 0.14 + 2.10 * 0.14 + 4.60 * 0.29 + 3.25 * 1 + 1.90 * 1) = 511.62648581870803
p2 = (677.97 * 3.25 * 1 + 579.44 * 4.60 * 0.29 + 171.43 * 1.90 * 1 + 826.09 * 2.10 * 0.14) / max_coefficients = 236.6896321070234
score = 511.62648581870803 * 0.5 + 236.6896321070234 * 0.5 = 374.1580589628657
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-02-08 | 109 -> 113 | 374.16 | |
| 2026-02-04 | 110 -> 109 | 374.16 | |
| 2026-01-30 | 107 -> 110 | 388.73 -> 374.16 |
Seihoku spring tournament 2024: 29% -> 14% |
| 2026-01-26 | 108 -> 107 | 388.73 | |
| 2026-01-25 | 104 -> 108 | 388.73 | |
| 2026-01-14 | 105 -> 104 | 388.73 | |
| 2026-01-12 | 103 -> 105 | 403.69 -> 388.73 |
X Russian Championship: 43% -> 29% |
| 2026-01-10 | 104 -> 103 | 398.74 -> 403.69 |
Agari Spring Tournament 2024: 29% -> 14% |
| 2026-01-07 | 102 -> 104 | 398.74 | |
| 2026-01-01 | 103 -> 102 | 398.74 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 171 |
|
30/36 | 100% | 1.90 | RR | Seihoku spring tournament 2025 | Saint Petersburg | |
| 2 | 678 |
|
20/60 | 100% | 3.25 | RR | White Wolf Cup | Saint Petersburg | |
| 3 | 579 |
|
46/108 | 29% | 4.60 | RR | X Russian Championship | Perm | |
| 4 | 826 |
|
9/47 | 14% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg | |
| 5 | 333 |
|
35/52 | 14% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow | |
| 6 | 178 |
|
89/108 | 0% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 7 | 379 |
|
55/88 | 0% | 3.75 | RR | Money can not buy tenpai | Perm |