Orlov Boris
From Vsevolozhsk, Russia
Common russian riichi rating (CRR)
Rating date June 2, 2024 (latest changes May 25, 2024).
140 place (212.83).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 1 + 3.05 * 1) = 15.399999999999999
p1 = (900.90 * 4.05 * 0.14 + 461.54 * 1.80 * 0.29 + 327.10 * 4 * 1 + 0 + 0) / (4.05 * 0.14 + 1.80 * 0.29 + 4 * 1 + 1 + 1) = 291.43501238191715
p2 = (327.10 * 4 * 1 + 900.90 * 4.05 * 0.14 + 461.54 * 1.80 * 0.29) / max_coefficients = 134.2305194805195
score = 291.43501238191715 * 0.5 + 134.2305194805195 * 0.5 = 212.83276593121832
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-05-25 | 137 -> 140 | 212.83 | |
| 2024-05-19 | 135 -> 137 | 212.83 | |
| 2024-05-14 | 136 -> 135 | 212.83 | |
| 2024-05-12 | 120 -> 136 | 221.16 -> 212.83 | |
| 2024-05-09 | 121 -> 120 | 221.16 | |
| 2024-05-06 | 124 -> 121 | 221.16 | |
| 2024-05-05 | 123 -> 124 | 221.16 | |
| 2024-04-27 | 120 -> 123 | 228.47 -> 221.16 |
Sun tournament: 43% -> 29% |
| 2024-04-25 | 121 -> 120 | 228.47 | |
| 2024-04-12 | 106 -> 121 | 269.50 -> 228.47 |
Moscow Riichi 2022: 29% -> 14% |
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 | 29% | 1.80 | CRR | Sun tournament |
| 3 | 901 |
|
12/112 | 14% | 4.05 | RR | Moscow Riichi 2022 |