Orlov Boris
From Vsevolozhsk, Russia
Common russian riichi rating (CRR)
Rating date March 28, 2023 (latest changes March 28, 2023).
51 place (412.49).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.86 + 2.80 * 1) = 14.04985
p1 = (900.90 * 4.05 * 1 + 461.54 * 1.80 * 1 + 0 + 0 + 0) / (4.05 * 1 + 1.80 * 1 + 1 + 1 + 1) = 506.1491525423729
p2 = (900.90 * 4.05 * 1 + 461.54 * 1.80 * 1) / max_coefficients = 318.8233326334445
score = 506.1491525423729 * 0.5 + 318.8233326334445 * 0.5 = 412.4862425879087
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-03-28 | 52 -> 51 | 412.49 | |
2023-03-20 | 54 -> 52 | 407.01 -> 412.49 | |
2023-02-25 | 52 -> 54 | 407.01 | |
2023-02-19 | 53 -> 52 | 407.01 | |
2023-01-28 | 55 -> 53 | 405.36 -> 407.01 | |
2023-01-14 | 54 -> 55 | 405.36 | |
2023-01-06 | 55 -> 54 | 405.36 | |
2022-12-19 | 57 -> 55 | 403.90 -> 405.36 | |
2022-12-18 | 55 -> 57 | 403.90 | |
2022-12-03 | 55 | 403.90 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 462 |
|
22/40 | 100% | 1.80 | CRR | Sun tournament |
2 | 901 |
|
12/112 | 100% | 4.05 | RR | Moscow Riichi 2022 |