Melkov Dmitrii
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date June 9, 2024 (latest changes June 9, 2024).
51 place (516.56).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 1 + 3.05 * 1) = 15.399999999999999
p1 = (333.33 * 3.05 * 1 + 871.79 * 1.80 * 0.29 + 645.16 * 1.80 * 0.71 + 379.31 * 3.75 * 1 + 177.57 * 4 * 1 + 962.96 * 2.30 * 1 + 826.09 * 2.10 * 1 + 579.44 * 4.60 * 1) / (3.05 * 1 + 1.80 * 0.29 + 1.80 * 0.71 + 3.75 * 1 + 4 * 1 + 2.30 * 1 + 2.10 * 1 + 4.60 * 1) = 511.21342592592595
p2 = (579.44 * 4.60 * 1 + 962.96 * 2.30 * 1 + 826.09 * 2.10 * 1 + 379.31 * 3.75 * 1) / max_coefficients = 521.9103896103896
score = 511.21342592592595 * 0.5 + 521.9103896103896 * 0.5 = 516.5619077681578
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-06-09 | 49 -> 51 | 516.56 | |
2024-05-25 | 48 -> 49 | 516.56 | |
2024-05-19 | 46 -> 48 | 516.56 | |
2024-05-12 | 44 -> 46 | 479.54 -> 516.56 |
X Russian Championship: 0% -> 100% |
2024-05-06 | 47 -> 44 | 479.54 | |
2024-05-05 | 46 -> 47 | 479.54 | |
2024-04-27 | 44 -> 46 | 482.36 -> 479.54 |
Sun tournament: 43% -> 29% |
2024-04-25 | 44 | 483.44 -> 482.36 |
Earth cup: 86% -> 71% |
2024-04-12 | 45 -> 44 | 483.44 | |
2024-03-30 | 57 -> 45 | 434.28 -> 483.44 |
Seihoku spring tournament 2024: 0% -> 100% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 579 |
|
46/108 | 100% | 4.60 | RR | X Russian Championship |
2 | 826 |
|
9/47 | 100% | 2.10 | RR | Seihoku spring tournament 2024 |
3 | 333 |
|
35/52 | 100% | 3.05 | RR | Agari Spring Tournament 2024 |
4 | 963 |
|
2/28 | 100% | 2.30 | CRR | Finding Dora |
5 | 178 |
|
89/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
6 | 379 |
|
55/88 | 100% | 3.75 | RR | Money can not buy tenpai |
7 | 645 |
|
12/32 | 71% | 1.80 | CRR | Earth cup |
8 | 872 |
|
6/40 | 29% | 1.80 | CRR | Sun tournament |
9 | 947 |
|
2/20 | 0% | 1.30 | CRR | Mahjong tournament at the Intellectual Games Festival 2019 |
10 | 400 |
|
10/16 | 0% | 1.20 | CRR | Tournament |