Barabanov Alexandr
From Krasnogorsk, Russia
EMA: 15990380
Internal rating (RR)
Rating date Dec. 3, 2024 (latest changes Nov. 6, 2024).
101 place (331.72).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (775.70 * 4.60 * 1 + 215.69 * 3.05 * 1 + 0 + 0 + 0) / (4.60 * 1 + 3.05 * 1 + 1 + 1 + 1) = 396.8131455399061
p2 = (775.70 * 4.60 * 1 + 215.69 * 3.05 * 1) / max_coefficients = 266.6283911671924
score = 396.8131455399061 * 0.5 + 266.6283911671924 * 0.5 = 331.72076835354926
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-11-06 | 106 -> 101 | 331.72 | |
| 2024-11-03 | 107 -> 106 | 331.72 | |
| 2024-10-13 | 98 -> 107 | 334.48 -> 331.72 | |
| 2024-10-11 | 100 -> 98 | 334.48 | |
| 2024-09-06 | 102 -> 100 | 334.48 | |
| 2024-09-03 | 104 -> 102 | 329.65 -> 334.48 | |
| 2024-09-01 | 89 -> 104 | 336.51 -> 329.65 | |
| 2024-08-11 | 90 -> 89 | 335.05 -> 336.51 | |
| 2024-08-04 | 85 -> 90 | 340.56 -> 335.05 | |
| 2024-07-14 | 79 -> 85 | 340.56 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 216 |
|
41/52 | 100% | 3.05 | RR | Agari Summer Tournament 2024 |
| 2 | 776 |
|
25/108 | 100% | 4.60 | RR | X Russian Championship |
| 3 | 919 |
|
10/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
| 4 | 743 |
|
10/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2019 |
| 5 | 830 |
|
9/48 | 0% | 3.10 | RR | Agari team tournament 2019 |
| 6 | 95 |
|
58/64 | 0% | 3.45 | EMA | White Dragon Tournament |
| 7 | 296 |
|
20/28 | 0% | 3.00 | RR | Moscow Open Riichi Marathon |
| 8 | 800 |
|
4/16 | 0% | 1.40 | RR | Red Dragon tournament 2017 |
| 9 | 370 |
|
18/28 | 0% | 2.60 | RR | Moscow Riichi Half Marathon 2017 |