Orlov Boris
From Vsevolozhsk, Russia
Internal rating (RR)
Rating date Nov. 6, 2023 (latest changes Nov. 6, 2023).
81 place (306.32).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 4.05 * 0.57) = 13.663990000000002
p1 = (900.90 * 4.05 * 0.57 + 327.10 * 4 * 1 + 0 + 0 + 0) / (4.05 * 0.57 + 4 * 1 + 1 + 1 + 1) = 364.3105075385139
p2 = (900.90 * 4.05 * 0.57 + 327.10 * 4 * 1) / max_coefficients = 248.33522272776835
score = 364.3105075385139 * 0.5 + 248.33522272776835 * 0.5 = 306.32286513314114
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-11-06 | 85 -> 81 | 301.10 -> 306.32 | |
2023-10-12 | 80 -> 85 | 329.72 -> 301.10 |
Moscow Riichi 2022: 71% -> 57% |
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 | 57% | 4.05 | RR | Moscow Riichi 2022 |