Orlov Boris
From Vsevolozhsk, Russia
Common russian riichi rating (CRR)
Rating date Feb. 21, 2023 (latest changes Feb. 21, 2023).
52 place (407.01).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 2.80 * 1) = 14.55
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 = 307.86391752577316
score = 506.1491525423729 * 0.5 + 307.86391752577316 * 0.5 = 407.00653503407307
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-02-19 | 53 -> 52 | 407.01 | |
| 2023-02-18 | 53 | 407.01 |
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 |