Melkov Dmitrii
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date Aug. 31, 2026 (latest changes Aug. 31, 2026).
186 place (313.07).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41
p1 = (677.97 * 3.25 * 0.43 + 171.43 * 1.90 * 0.57 + 243.24 * 3.40 * 1 + 233.33 * 1.70 * 1 + 426.57 * 4.71 * 1) / (3.25 * 0.43 + 1.90 * 0.57 + 3.40 * 1 + 1.70 * 1 + 4.71 * 1) = 355.0718917762058
p2 = (426.57 * 4.71 * 1 + 677.97 * 3.25 * 0.43 + 243.24 * 3.40 * 1 + 233.33 * 1.70 * 1) / max_coefficients = 271.07268007787155
score = 355.0718917762058 * 0.5 + 271.07268007787155 * 0.5 = 313.0722859270387
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-08-31 | 185 -> 186 | 312.63 -> 313.07 | |
| 2026-08-26 | 186 -> 185 | 310.65 -> 312.63 |
Seihoku spring tournament 2025: 71% -> 57% |
| 2026-08-16 | 170 -> 186 | 326.65 -> 310.65 |
White Wolf Cup: 57% -> 43% |
| 2026-08-15 | 171 -> 170 | 325.59 -> 326.65 | |
| 2026-08-13 | 172 -> 171 | 325.59 | |
| 2026-08-04 | 174 -> 172 | 325.59 | |
| 2026-08-03 | 175 -> 174 | 325.59 | |
| 2026-07-18 | 172 -> 175 | 325.59 | |
| 2026-07-12 | 170 -> 172 | 325.59 | |
| 2026-07-11 | 169 -> 170 | 325.59 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 427 |
|
83/144 | 100% | 4.71 | RR | XII Russian Championship | Samara | |
| 2 | 233 |
|
24/31 | 100% | 1.70 | RR | Seihoku spring tournament 2026 | Saint Petersburg | |
| 3 | 243 |
|
57/75 | 100% | 3.40 | RR | White Wolf Cup 2026 | Saint Petersburg | |
| 4 | 171 |
|
30/36 | 57% | 1.90 | RR | Seihoku spring tournament 2025 | Saint Petersburg | |
| 5 | 678 |
|
20/60 | 43% | 3.25 | RR | White Wolf Cup | Saint Petersburg | |
| 6 | 579 |
|
46/108 | 0% | 4.60 | RR | X Russian Championship | Perm | |
| 7 | 826 |
|
9/47 | 0% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg | |
| 8 | 333 |
|
35/52 | 0% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow | |
| 9 | 963 |
|
🥈 | 2/28 | 0% | 2.30 | CRR | Finding Dora | Yekaterinburg |
| 10 | 178 |
|
89/108 | 0% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 11 | 379 |
|
55/88 | 0% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 12 | 645 |
|
12/32 | 0% | 1.80 | CRR | Earth cup | Saint Petersburg | |
| 13 | 872 |
|
6/40 | 0% | 1.80 | CRR | Sun tournament | Saint Petersburg | |
| 14 | 947 |
|
🥈 | 2/20 | 0% | 1.30 | CRR | Mahjong tournament at the Intellectual Games Festival 2019 | Samara |
| 15 | 400 |
|
10/16 | 0% | 1.20 | CRR | Tournament | Samara |