Melkov Dmitrii
From Saint Petersburg, Russia
Internal rating (RR)
Rating date July 12, 2025 (latest changes July 12, 2025).
86 place (452.44).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.35
p1 = (677.97 * 3.25 * 1 + 333.33 * 3.05 * 0.57 + 177.57 * 4 * 0.14 + 826.09 * 2.10 * 0.71 + 579.44 * 4.60 * 0.71 + 171.43 * 1.90 * 1) / (3.25 * 1 + 3.05 * 0.57 + 4 * 0.14 + 2.10 * 0.71 + 4.60 * 0.71 + 1.90 * 1) = 518.7344185962982
p2 = (677.97 * 3.25 * 1 + 579.44 * 4.60 * 0.71 + 826.09 * 2.10 * 0.71 + 333.33 * 3.05 * 0.57) / max_coefficients = 386.1485342019544
score = 518.7344185962982 * 0.5 + 386.1485342019544 * 0.5 = 452.44147639912626
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2025-07-12 | 82 -> 86 | 462.54 -> 452.44 |
X Russian Championship: 86% -> 71% |
2025-07-10 | 80 -> 82 | 464.11 -> 462.54 |
Agari Spring Tournament 2024: 71% -> 57% |
2025-07-03 | 84 -> 80 | 457.17 -> 464.11 |
SPB Riichi Open 2023: 29% -> 14% |
2025-06-15 | 77 -> 84 | 463.28 -> 457.17 | |
2025-06-11 | 80 -> 77 | 461.00 -> 463.28 |
Money can not buy tenpai: 14% -> 0% |
2025-06-09 | 83 -> 80 | 461.00 | |
2025-06-08 | 82 -> 83 | 461.00 | |
2025-05-30 | 73 -> 82 | 472.50 -> 461.00 |
Seihoku spring tournament 2024: 86% -> 71% |
2025-05-12 | 70 -> 73 | 476.98 -> 472.50 |
X Russian Championship: 100% -> 86% |
2025-05-10 | 71 -> 70 | 479.17 -> 476.98 |
Agari Spring Tournament 2024: 86% -> 71% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | 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 | 71% | 4.60 | RR | X Russian Championship | Perm |
4 | 826 |
|
9/47 | 71% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg |
5 | 333 |
|
35/52 | 57% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow |
6 | 178 |
|
89/108 | 14% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg |
7 | 379 |
|
55/88 | 0% | 3.75 | RR | Money can not buy tenpai | Perm |