Dergunov Aleksey
From Moscow, Russia
Internal rating (RR)
Rating date Dec. 19, 2023 (latest changes Dec. 19, 2023).
79 place (266.84).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 4.05 * 0.43) = 13.085650000000001
p1 = (611.94 * 3.50 * 0.29 + 486.49 * 4.05 * 0.43 + 252.87 * 3.75 * 1 + 214.95 * 4 * 1 + 0) / (3.50 * 0.29 + 4.05 * 0.43 + 3.75 * 1 + 4 * 1 + 1) = 284.21752810866997
p2 = (252.87 * 3.75 * 1 + 214.95 * 4 * 1 + 486.49 * 4.05 * 0.43 + 611.94 * 3.50 * 0.29) / max_coefficients = 249.46869280471356
score = 284.21752810866997 * 0.5 + 249.46869280471356 * 0.5 = 266.84311045669176
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-12-19 | 76 -> 79 | 284.44 -> 266.84 |
Agari team tournament: 14% -> 0% |
| 2023-12-12 | 77 -> 76 | 293.65 -> 284.44 |
Moscow Riichi 2022: 57% -> 43% |
| 2023-11-28 | 84 -> 77 | 293.65 | |
| 2023-11-20 | 80 -> 84 | 310.77 -> 293.65 |
Tenpai can't buy happiness: 43% -> 29% |
| 2023-11-06 | 84 -> 80 | 304.84 -> 310.77 | |
| 2023-10-19 | 84 | 307.88 -> 304.84 |
Agari team tournament: 29% -> 14% |
| 2023-10-12 | 84 | 315.22 -> 307.88 |
Moscow Riichi 2022: 71% -> 57% |
| 2023-09-28 | 85 -> 84 | 315.22 | |
| 2023-09-20 | 79 -> 85 | 330.33 -> 315.22 |
Tenpai can't buy happiness: 57% -> 43% |
| 2023-09-06 | 80 -> 79 | 330.33 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 215 |
|
85/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
| 2 | 253 |
|
66/88 | 100% | 3.75 | RR | Money can not buy tenpai |
| 3 | 486 |
|
58/112 | 43% | 4.05 | RR | Moscow Riichi 2022 |
| 4 | 612 |
|
27/68 | 29% | 3.50 | RR | Tenpai can't buy happiness |
| 5 | 511 |
|
24/48 | 0% | 3.10 | RR | Agari team tournament |