Orlov Boris
From Vsevolozhsk, Russia
Internal rating (RR)
Rating date April 12, 2024 (latest changes April 12, 2024).
97 place (190.03).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 4.20 * 0.57) = 13.19988
p1 = (900.90 * 4.05 * 0.14 + 327.10 * 4 * 1 + 0 + 0 + 0) / (4.05 * 0.14 + 4 * 1 + 1 + 1 + 1) = 241.4383911848202
p2 = (327.10 * 4 * 1 + 900.90 * 4.05 * 0.14) / max_coefficients = 138.622472325506
score = 241.4383911848202 * 0.5 + 138.622472325506 * 0.5 = 190.0304317551631
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-04-12 | 88 -> 97 | 233.14 -> 190.03 |
Moscow Riichi 2022: 29% -> 14% |
| 2024-03-30 | 80 -> 88 | 233.14 | |
| 2024-03-20 | 87 -> 80 | 233.14 | |
| 2024-03-10 | 78 -> 87 | 248.05 -> 233.14 | |
| 2024-03-06 | 80 -> 78 | 242.81 -> 248.05 | |
| 2024-02-12 | 74 -> 80 | 279.41 -> 242.81 |
Moscow Riichi 2022: 43% -> 29% |
| 2024-01-20 | 75 -> 74 | 279.41 | |
| 2024-01-06 | 78 -> 75 | 274.14 -> 279.41 | |
| 2023-12-19 | 81 -> 78 | 274.14 | |
| 2023-12-12 | 73 -> 81 | 306.32 -> 274.14 |
Moscow Riichi 2022: 57% -> 43% |
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 | 14% | 4.05 | RR | Moscow Riichi 2022 |