Dergunov Aleksey
From Moscow, Russia
Internal rating (RR)
Rating date Sept. 3, 2024 (latest changes Sept. 3, 2024).
17 place (664.11).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284
p1 = (252.87 * 3.75 * 0.71 + 214.95 * 4 * 0.86 + 260.87 * 2.10 * 1 + 747.66 * 4.60 * 1 + 744.68 * 2.80 * 1 + 797.47 * 3.65 * 1 + 176.47 * 3.05 * 1 + 960.78 * 3.05 * 1 + 673.68 * 3.85 * 1) / (3.75 * 0.71 + 4 * 0.86 + 2.10 * 1 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1 + 3.05 * 1 + 3.05 * 1 + 3.85 * 1) = 563.5479820351438
p2 = (747.66 * 4.60 * 1 + 960.78 * 3.05 * 1 + 797.47 * 3.65 * 1 + 673.68 * 3.85 * 1) / max_coefficients = 764.6686071971355
score = 563.5479820351438 * 0.5 + 764.6686071971355 * 0.5 = 664.1082946161397
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-09-03 | 23 -> 17 | 647.19 -> 664.11 |
SPB Riichi Open 2023: 100% -> 86% |
2024-09-01 | 20 -> 23 | 641.18 -> 647.19 |
SPB Riichi Open 2024: 0% -> 100% |
2024-08-11 | 21 -> 20 | 634.33 -> 641.18 |
Money can not buy tenpai: 86% -> 71% |
2024-08-04 | 34 -> 21 | 559.08 -> 634.33 |
Riichi over Volga: 0% -> 100% |
2024-07-14 | 40 -> 34 | 498.57 -> 559.08 |
Guardian of the Winds: 0% -> 100% |
2024-07-06 | 42 -> 40 | 498.57 | |
2024-06-11 | 45 -> 42 | 491.40 -> 498.57 |
Money can not buy tenpai: 100% -> 86% |
2024-06-09 | 37 -> 45 | 514.62 -> 491.40 |
Agari Summer Tournament 2024: 0% -> 100% |
2024-05-12 | 45 -> 37 | 411.44 -> 514.62 |
X Russian Championship: 0% -> 100% |
2024-05-06 | 48 -> 45 | 406.78 -> 411.44 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 674 |
|
32/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 |
2 | 797 |
|
17/80 | 100% | 3.65 | RR | Riichi over Volga |
3 | 745 |
|
13/48 | 100% | 2.80 | RR | Guardian of the Winds |
4 | 176 |
|
43/52 | 100% | 3.05 | RR | Agari Summer Tournament 2024 |
5 | 748 |
|
28/108 | 100% | 4.60 | RR | X Russian Championship |
6 | 261 |
|
35/47 | 100% | 2.10 | RR | Seihoku spring tournament 2024 |
7 | 961 |
|
3/52 | 100% | 3.05 | RR | Agari Spring Tournament 2024 |
8 | 215 |
|
85/108 | 86% | 4.00 | RR | SPB Riichi Open 2023 |
9 | 253 |
|
66/88 | 71% | 3.75 | RR | Money can not buy tenpai |
10 | 486 |
|
58/112 | 0% | 4.05 | RR | Moscow Riichi 2022 |
11 | 612 |
|
27/68 | 0% | 3.50 | RR | Tenpai can't buy happiness |
12 | 511 |
|
24/48 | 0% | 3.10 | RR | Agari team tournament |