Orlov Boris
From Vsevolozhsk, Russia
Internal rating (RR)
Rating date Jan. 20, 2024 (latest changes Jan. 20, 2024).
73 place (279.41).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 4.05 * 0.43) = 12.485890000000001
p1 = (900.90 * 4.05 * 0.43 + 327.10 * 4 * 1 + 0 + 0 + 0) / (4.05 * 0.43 + 4 * 1 + 1 + 1 + 1) = 328.7861599870877
p2 = (900.90 * 4.05 * 0.43 + 327.10 * 4 * 1) / max_coefficients = 230.03726606593523
score = 328.7861599870877 * 0.5 + 230.03726606593523 * 0.5 = 279.41171302651145
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-01-20 | 74 -> 73 | 279.41 | |
2024-01-06 | 77 -> 74 | 274.14 -> 279.41 | |
2023-12-19 | 80 -> 77 | 274.14 | |
2023-12-12 | 72 -> 80 | 306.32 -> 274.14 |
Moscow Riichi 2022: 57% -> 43% |
2023-11-28 | 80 -> 72 | 306.32 | |
2023-11-20 | 81 -> 80 | 306.32 | |
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 |
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 | 43% | 4.05 | RR | Moscow Riichi 2022 |