Dergunov Aleksey
From Moscow, Russia
Internal rating (RR)
Rating date Nov. 21, 2024 (latest changes Nov. 6, 2024).
15 place (683.81).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (252.87 * 3.75 * 0.57 + 214.95 * 4 * 0.71 + 960.78 * 3.05 * 1 + 260.87 * 2.10 * 1 + 747.66 * 4.60 * 1 + 744.68 * 2.80 * 1 + 797.47 * 3.65 * 1 + 673.68 * 3.85 * 1 + 573.03 * 3.75 * 1) / (3.75 * 0.57 + 4 * 0.71 + 3.05 * 1 + 2.10 * 1 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1 + 3.85 * 1 + 3.75 * 1) = 618.4698237323329
p2 = (747.66 * 4.60 * 1 + 960.78 * 3.05 * 1 + 797.47 * 3.65 * 1 + 673.68 * 3.85 * 1) / max_coefficients = 749.1533123028391
score = 618.4698237323329 * 0.5 + 749.1533123028391 * 0.5 = 683.8115680175861
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-11-03 | 18 -> 15 | 680.45 -> 683.81 |
SPB Riichi Open 2023: 86% -> 71% |
| 2024-10-13 | 17 -> 18 | 667.01 -> 680.45 |
Moscow Riichi 2024: 0% -> 100% |
| 2024-10-11 | 19 -> 17 | 664.11 -> 667.01 |
Money can not buy tenpai: 71% -> 57% |
| 2024-09-06 | 17 -> 19 | 664.11 | |
| 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 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 573 |
|
39/90 | 100% | 3.75 | RR | Moscow Riichi 2024 |
| 2 | 674 |
|
32/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 |
| 3 | 797 |
|
17/80 | 100% | 3.65 | RR | Riichi over Volga |
| 4 | 745 |
|
13/48 | 100% | 2.80 | RR | Guardian of the Winds |
| 5 | 176 |
|
43/52 | 100% | 3.05 | RR | Agari Summer Tournament 2024 |
| 6 | 748 |
|
28/108 | 100% | 4.60 | RR | X Russian Championship |
| 7 | 261 |
|
35/47 | 100% | 2.10 | RR | Seihoku spring tournament 2024 |
| 8 | 961 |
|
3/52 | 100% | 3.05 | RR | Agari Spring Tournament 2024 |
| 9 | 215 |
|
85/108 | 71% | 4.00 | RR | SPB Riichi Open 2023 |
| 10 | 253 |
|
66/88 | 57% | 3.75 | RR | Money can not buy tenpai |
| 11 | 486 |
|
58/112 | 0% | 4.05 | RR | Moscow Riichi 2022 |
| 12 | 612 |
|
27/68 | 0% | 3.50 | RR | Tenpai can't buy happiness |
| 13 | 511 |
|
24/48 | 0% | 3.10 | RR | Agari team tournament |