Orlov Boris
From Vsevolozhsk, Russia
Common russian riichi rating (CRR)
Rating date Dec. 19, 2023 (latest changes Dec. 19, 2023).
97 place (313.68).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.90 * 1) = 14.249820000000001
p1 = (900.90 * 4.05 * 0.43 + 461.54 * 1.80 * 0.71 + 327.10 * 4 * 1 + 0 + 0) / (4.05 * 0.43 + 1.80 * 0.71 + 4 * 1 + 1 + 1) = 384.1504305791564
p2 = (900.90 * 4.05 * 0.43 + 327.10 * 4 * 1 + 461.54 * 1.80 * 0.71) / max_coefficients = 243.20587909180608
score = 384.1504305791564 * 0.5 + 243.20587909180608 * 0.5 = 313.6781548354812
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
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 | |
2023-11-20 | 91 -> 89 | 348.51 | |
2023-11-09 | 92 -> 91 | 348.51 | |
2023-11-06 | 96 -> 92 | 342.78 -> 348.51 | |
2023-11-05 | 91 -> 96 | 342.78 | |
2023-11-03 | 92 -> 91 | 342.78 | |
2023-10-27 | 90 -> 92 | 347.41 -> 342.78 |
Sun tournament: 86% -> 71% |
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 | 71% | 1.80 | CRR | Sun tournament |
3 | 901 |
|
12/112 | 43% | 4.05 | RR | Moscow Riichi 2022 |