Dergunov Aleksey
From Moscow, Russia
Internal rating (RR)
Rating date Feb. 3, 2025 (latest changes Feb. 3, 2025).
20 place (671.49).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (380.95 * 2.60 * 1 + 252.87 * 3.75 * 0.43 + 214.95 * 4 * 0.57 + 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 + 411.76 * 3.05 * 1 + 573.03 * 3.75 * 1) / (2.60 * 1 + 3.75 * 0.43 + 4 * 0.57 + 3.05 * 1 + 2.10 * 1 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1 + 3.85 * 1 + 3.05 * 1 + 3.75 * 1) = 593.830161488895
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 = 593.830161488895 * 0.5 + 749.1533123028391 * 0.5 = 671.491736895867
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-02-02 | 15 -> 20 | 680.66 -> 671.49 |
Agari Winter Tournament 2025: 0% -> 100% |
| 2025-01-26 | 13 -> 15 | 691.51 -> 680.66 |
Riichi On Ice: 0% -> 100% |
| 2025-01-03 | 15 -> 13 | 687.27 -> 691.51 |
SPB Riichi Open 2023: 71% -> 57% |
| 2024-12-11 | 15 | 683.81 -> 687.27 |
Money can not buy tenpai: 57% -> 43% |
| 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% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 412 |
|
31/52 | 100% | 3.05 | RR | Agari Winter Tournament 2025 |
| 2 | 381 |
|
27/43 | 100% | 2.60 | RR | Riichi On Ice |
| 3 | 573 |
|
39/90 | 100% | 3.75 | RR | Moscow Riichi 2024 |
| 4 | 674 |
|
32/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 |
| 5 | 797 |
|
17/80 | 100% | 3.65 | RR | Riichi over Volga |
| 6 | 745 |
|
13/48 | 100% | 2.80 | RR | Guardian of the Winds |
| 7 | 176 |
|
43/52 | 100% | 3.05 | RR | Agari Summer Tournament 2024 |
| 8 | 748 |
|
28/108 | 100% | 4.60 | RR | X Russian Championship |
| 9 | 261 |
|
35/47 | 100% | 2.10 | RR | Seihoku spring tournament 2024 |
| 10 | 961 |
|
3/52 | 100% | 3.05 | RR | Agari Spring Tournament 2024 |
| 11 | 215 |
|
85/108 | 57% | 4.00 | RR | SPB Riichi Open 2023 |
| 12 | 253 |
|
66/88 | 43% | 3.75 | RR | Money can not buy tenpai |
| 13 | 486 |
|
58/112 | 0% | 4.05 | RR | Moscow Riichi 2022 |
| 14 | 612 |
|
27/68 | 0% | 3.50 | RR | Tenpai can't buy happiness |
| 15 | 511 |
|
24/48 | 0% | 3.10 | RR | Agari team tournament |