Orlov Boris

From Vsevolozhsk, Russia

Player page

Internal rating (RR)

Rating date March 30, 2024 (latest changes March 30, 2024).

88 place (233.14).

max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 4.20 * 0.57) = 13.19988

p1 = (900.90 * 4.05 * 0.29 + 327.10 * 4 * 1 + 0 + 0 + 0) / (4.05 * 0.29 + 4 * 1 + 1 + 1 + 1) = 288.1948637288933

p2 = (327.10 * 4 * 1 + 900.90 * 4.05 * 0.29) / max_coefficients = 178.094800861826

score = 288.1948637288933 * 0.5 + 178.094800861826 * 0.5 = 233.14483229535966

Rating changes

Show

all results
Date Place Points Reason
2024-03-30 80 -> 88 233.14
2024-03-20 87 -> 80 233.14
2024-03-10 78 -> 87 248.05 -> 233.14
2024-03-06 80 -> 78 242.81 -> 248.05
2024-02-12 74 -> 80 279.41 -> 242.81

Moscow Riichi 2022: 43% -> 29%
2024-01-20 75 -> 74 279.41
2024-01-06 78 -> 75 274.14 -> 279.41
2023-12-19 81 -> 78 274.14
2023-12-12 73 -> 81 306.32 -> 274.14

Moscow Riichi 2022: 57% -> 43%
2023-11-28 81 -> 73 306.32

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 327 2023-09-03 73/108 100% 4.00 RR SPB Riichi Open 2023
2 901 2022-06-12 12/112 29% 4.05 RR Moscow Riichi 2022