Melkov Dmitrii
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date May 17, 2026 (latest changes May 17, 2026).
213 place (256.67).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85
p1 = (677.97 * 3.25 * 0.71 + 171.43 * 1.90 * 0.86 + 243.24 * 3.40 * 1 + 233.33 * 1.70 * 1 + 0) / (3.25 * 0.71 + 1.90 * 0.86 + 3.40 * 1 + 1.70 * 1 + 1) = 306.1453447847829
p2 = (677.97 * 3.25 * 0.71 + 243.24 * 3.40 * 1 + 233.33 * 1.70 * 1 + 171.43 * 1.90 * 0.86) / max_coefficients = 207.1885521885522
score = 306.1453447847829 * 0.5 + 207.1885521885522 * 0.5 = 256.66694848666754
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-05-17 | 214 -> 213 | 256.67 | |
| 2026-05-12 | 204 -> 214 | 285.11 -> 256.67 |
X Russian Championship: 14% -> 0% |
| 2026-05-11 | 201 -> 204 | 285.11 | |
| 2026-05-05 | 202 -> 201 | 285.11 | |
| 2026-05-03 | 200 -> 202 | 284.40 -> 285.11 | |
| 2026-04-26 | 202 -> 200 | 281.88 -> 284.40 |
Seihoku spring tournament 2025: 100% -> 86% |
| 2026-04-19 | 191 -> 202 | 281.88 | |
| 2026-04-16 | 179 -> 191 | 299.67 -> 281.88 |
White Wolf Cup: 86% -> 71% |
| 2026-04-13 | 180 -> 179 | 299.67 | |
| 2026-04-11 | 185 -> 180 | 290.08 -> 299.67 |
Seihoku spring tournament 2026: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 233 |
|
24/31 | 100% | 1.70 | RR | Seihoku spring tournament 2026 | Saint Petersburg | |
| 2 | 243 |
|
57/75 | 100% | 3.40 | RR | White Wolf Cup 2026 | Saint Petersburg | |
| 3 | 171 |
|
30/36 | 86% | 1.90 | RR | Seihoku spring tournament 2025 | Saint Petersburg | |
| 4 | 678 |
|
20/60 | 71% | 3.25 | RR | White Wolf Cup | Saint Petersburg | |
| 5 | 579 |
|
46/108 | 0% | 4.60 | RR | X Russian Championship | Perm | |
| 6 | 826 |
|
9/47 | 0% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg | |
| 7 | 333 |
|
35/52 | 0% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow | |
| 8 | 963 |
|
🥈 | 2/28 | 0% | 2.30 | CRR | Finding Dora | Yekaterinburg |
| 9 | 178 |
|
89/108 | 0% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 10 | 379 |
|
55/88 | 0% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 11 | 645 |
|
12/32 | 0% | 1.80 | CRR | Earth cup | Saint Petersburg | |
| 12 | 872 |
|
6/40 | 0% | 1.80 | CRR | Sun tournament | Saint Petersburg | |
| 13 | 947 |
|
🥈 | 2/20 | 0% | 1.30 | CRR | Mahjong tournament at the Intellectual Games Festival 2019 | Samara |
| 14 | 400 |
|
10/16 | 0% | 1.20 | CRR | Tournament | Samara |