Melkov Dmitrii
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date April 22, 2024 (latest changes April 22, 2024).
44 place (483.44).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.90 * 1) = 13.700000000000001
p1 = (871.79 * 1.80 * 0.43 + 645.16 * 1.80 * 0.86 + 379.31 * 3.75 * 1 + 177.57 * 4 * 1 + 962.96 * 2.30 * 1 + 333.33 * 3.05 * 1 + 826.09 * 2.10 * 1) / (1.80 * 0.43 + 1.80 * 0.86 + 3.75 * 1 + 4 * 1 + 2.30 * 1 + 3.05 * 1 + 2.10 * 1) = 500.55554730830755
p2 = (962.96 * 2.30 * 1 + 826.09 * 2.10 * 1 + 379.31 * 3.75 * 1 + 333.33 * 3.05 * 1) / max_coefficients = 466.3262773722627
score = 500.55554730830755 * 0.5 + 466.3262773722627 * 0.5 = 483.44091234028514
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-04-12 | 45 -> 44 | 483.44 | |
2024-03-30 | 57 -> 45 | 434.28 -> 483.44 |
Seihoku spring tournament 2024: 0% -> 100% |
2024-03-20 | 58 -> 57 | 434.28 | |
2024-03-10 | 51 -> 58 | 447.97 -> 434.28 |
Agari Spring Tournament 2024: 0% -> 100% |
2024-03-06 | 52 -> 51 | 438.97 -> 447.97 | |
2024-02-27 | 48 -> 52 | 449.72 -> 438.97 |
Sun tournament: 57% -> 43% |
2024-02-25 | 40 -> 48 | 457.30 -> 449.72 |
Earth cup: 100% -> 86% |
2024-02-18 | 41 -> 40 | 457.30 | |
2024-02-12 | 42 -> 41 | 457.30 | |
2024-01-20 | 44 -> 42 | 457.30 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 826 |
|
9/47 | 100% | 2.10 | RR | Seihoku spring tournament 2024 |
2 | 333 |
|
35/52 | 100% | 3.05 | RR | Agari Spring Tournament 2024 |
3 | 963 |
|
2/28 | 100% | 2.30 | CRR | Finding Dora |
4 | 178 |
|
89/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
5 | 379 |
|
55/88 | 100% | 3.75 | RR | Money can not buy tenpai |
6 | 645 |
|
12/32 | 86% | 1.80 | CRR | Earth cup |
7 | 872 |
|
6/40 | 43% | 1.80 | CRR | Sun tournament |
8 | 947 |
|
2/20 | 0% | 1.30 | CRR | Mahjong tournament at the Intellectual Games Festival 2019 |
9 | 400 |
|
10/16 | 0% | 1.20 | CRR | Tournament |