Orlov Boris
From Vsevolozhsk, Russia
Common russian riichi rating (CRR)
Rating date May 6, 2024 (latest changes May 6, 2024).
120 place (221.16).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.90 * 1) = 13.700000000000001
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 = 150.88686131386862
score = 291.43501238191715 * 0.5 + 150.88686131386862 * 0.5 = 221.16093684789288
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-05-06 | 123 -> 120 | 221.16 | |
| 2024-05-05 | 122 -> 123 | 221.16 | |
| 2024-04-27 | 119 -> 122 | 228.47 -> 221.16 |
Sun tournament: 43% -> 29% |
| 2024-04-25 | 120 -> 119 | 228.47 | |
| 2024-04-12 | 105 -> 120 | 269.50 -> 228.47 |
Moscow Riichi 2022: 29% -> 14% |
| 2024-03-30 | 100 -> 105 | 269.50 | |
| 2024-03-20 | 102 -> 100 | 269.50 | |
| 2024-03-10 | 98 -> 102 | 274.42 -> 269.50 | |
| 2024-03-06 | 103 -> 98 | 269.86 -> 274.42 | |
| 2024-02-27 | 103 | 276.09 -> 269.86 |
Sun tournament: 57% -> 43% |
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 |