Orlov Boris
From Vsevolozhsk, Russia
Common russian riichi rating (CRR)
Rating date Feb. 12, 2024 (latest changes Feb. 12, 2024).
100 place (276.09).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 2.90 * 1) = 13.650060000000002
p1 = (900.90 * 4.05 * 0.29 + 461.54 * 1.80 * 0.57 + 327.10 * 4 * 1 + 0 + 0) / (4.05 * 0.29 + 1.80 * 0.57 + 4 * 1 + 1 + 1) = 345.1827934526526
p2 = (327.10 * 4 * 1 + 900.90 * 4.05 * 0.29 + 461.54 * 1.80 * 0.57) / max_coefficients = 206.99762491886477
score = 345.1827934526526 * 0.5 + 206.99762491886477 * 0.5 = 276.0902091857587
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-02-12 | 92 -> 100 | 313.54 -> 276.09 |
Moscow Riichi 2022: 43% -> 29% |
| 2024-01-20 | 93 -> 92 | 313.54 | |
| 2024-01-06 | 95 -> 93 | 308.38 -> 313.54 | |
| 2024-01-05 | 97 -> 95 | 308.38 | |
| 2024-01-03 | 98 -> 97 | 308.38 | |
| 2023-12-27 | 97 -> 98 | 313.68 -> 308.38 |
Sun tournament: 71% -> 57% |
| 2023-12-19 | 99 -> 97 | 313.68 | |
| 2023-12-12 | 89 -> 99 | 347.53 -> 313.68 |
Moscow Riichi 2022: 57% -> 43% |
| 2023-11-28 | 94 -> 89 | 347.53 | |
| 2023-11-26 | 89 -> 94 | 348.51 -> 347.53 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 327 |
|
73/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
| 2 | 462 |
|
22/40 | 57% | 1.80 | CRR | Sun tournament |
| 3 | 901 |
|
12/112 | 29% | 4.05 | RR | Moscow Riichi 2022 |