Melkov Dmitrii
From Saint Petersburg, Russia
Common russian riichi rating (CRR)
Rating date Sept. 6, 2024 (latest changes Sept. 6, 2024).
64 place (503.39).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284
p1 = (645.16 * 1.80 * 0.43 + 379.31 * 3.75 * 0.71 + 177.57 * 4 * 0.86 + 962.96 * 2.30 * 1 + 333.33 * 3.05 * 1 + 826.09 * 2.10 * 1 + 579.44 * 4.60 * 1) / (1.80 * 0.43 + 3.75 * 0.71 + 4 * 0.86 + 2.30 * 1 + 3.05 * 1 + 2.10 * 1 + 4.60 * 1) = 515.3190914971891
p2 = (579.44 * 4.60 * 1 + 962.96 * 2.30 * 1 + 826.09 * 2.10 * 1 + 333.33 * 3.05 * 1) / max_coefficients = 491.4659591458231
score = 515.3190914971891 * 0.5 + 491.4659591458231 * 0.5 = 503.3925253215061
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-09-03 | 65 -> 64 | 489.72 -> 503.39 |
SPB Riichi Open 2023: 100% -> 86% |
2024-09-01 | 60 -> 65 | 502.11 -> 489.72 | |
2024-08-26 | 60 | 504.50 -> 502.11 | |
2024-08-25 | 60 | 505.36 -> 504.50 |
Earth cup: 57% -> 43% |
2024-08-11 | 60 | 507.53 -> 505.36 |
Money can not buy tenpai: 86% -> 71% |
2024-08-04 | 54 -> 60 | 517.76 -> 507.53 | |
2024-07-14 | 48 -> 54 | 517.76 | |
2024-07-03 | 49 -> 48 | 517.76 | |
2024-06-27 | 49 | 520.00 -> 517.76 |
Sun tournament: 29% -> 14% |
2024-06-25 | 49 | 520.81 -> 520.00 |
Earth cup: 71% -> 57% |
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 | 86% | 4.00 | RR | SPB Riichi Open 2023 |
6 | 379 |
|
55/88 | 71% | 3.75 | RR | Money can not buy tenpai |
7 | 645 |
|
12/32 | 43% | 1.80 | CRR | Earth cup |
8 | 872 |
|
6/40 | 0% | 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 |