Orlov Boris

From Vsevolozhsk, Russia

Player page

Common russian riichi rating (CRR)

Rating date Aug. 27, 2023 (latest changes Aug. 27, 2023).

75 place (344.74).

max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.71 + 2.80 * 1) = 13.642914999999999

p1 = (900.90 * 4.05 * 0.71 + 461.54 * 1.80 * 0.86 + 0 + 0 + 0) / (4.05 * 0.71 + 1.80 * 0.86 + 1 + 1 + 1) = 446.2635974175917

p2 = (900.90 * 4.05 * 0.71 + 461.54 * 1.80 * 0.86) / max_coefficients = 243.2236805697316

score = 446.2635974175917 * 0.5 + 243.2236805697316 * 0.5 = 344.74363899366165

Rating changes

Show

all results
Date Place Points Reason
2023-08-27 71 -> 75 349.35 -> 344.74

Sun tournament: 100% -> 86%
2023-08-19 73 -> 71 349.35
2023-08-12 65 -> 73 378.42 -> 349.35

Moscow Riichi 2022: 86% -> 71%
2023-07-28 66 -> 65 378.42
2023-07-20 65 -> 66 378.42
2023-07-06 64 -> 65 378.42
2023-07-03 66 -> 64 378.42
2023-06-19 70 -> 66 378.42
2023-06-12 60 -> 70 404.41 -> 378.42

Moscow Riichi 2022: 100% -> 86%
2023-06-11 49 -> 60 418.37 -> 404.41

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 462 2022-08-27 22/40 86% 1.80 CRR Sun tournament
2 901 2022-06-12 12/112 71% 4.05 RR Moscow Riichi 2022