Orlov Boris
From Vsevolozhsk, Russia
Internal rating (RR)
Rating date Sept. 28, 2023 (latest changes Sept. 28, 2023).
80 place (329.72).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915
p1 = (900.90 * 4.05 * 0.71 + 327.10 * 4 * 1 + 0 + 0 + 0) / (4.05 * 0.71 + 4 * 1 + 1 + 1 + 1) = 395.7013681003021
p2 = (900.90 * 4.05 * 0.71 + 327.10 * 4 * 1) / max_coefficients = 263.7379517433065
score = 395.7013681003021 * 0.5 + 263.7379517433065 * 0.5 = 329.7196599218043
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-09-20 | 81 -> 80 | 329.72 | |
2023-09-06 | 82 -> 81 | 329.72 | |
2023-09-03 | 82 | 329.72 |
SPB Riichi Open 2023: 0% -> 100% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 327 |
|
73/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
2 | 901 |
|
12/112 | 71% | 4.05 | RR | Moscow Riichi 2022 |