Orlov Boris

From Vsevolozhsk, Russia

Player page

Common russian riichi rating (CRR)

Rating date May 20, 2023 (latest changes May 20, 2023).

52 place (418.37).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 2.80 * 1 + 3.50 * 0.71) = 13.55005

p1 = (900.90 * 4.05 * 1 + 461.54 * 1.80 * 1 + 0 + 0 + 0) / (4.05 * 1 + 1.80 * 1 + 1 + 1 + 1) = 506.1491525423729

p2 = (900.90 * 4.05 * 1 + 461.54 * 1.80 * 1) / max_coefficients = 330.5832819805093

score = 506.1491525423729 * 0.5 + 330.5832819805093 * 0.5 = 418.3662172614411

Rating changes

Show

all results
Date Place Points Reason
2023-05-20 53 -> 52 412.49 -> 418.37
2023-05-06 52 -> 53 412.49
2023-05-01 51 -> 52 412.49
2023-04-22 50 -> 51 412.49
2023-04-19 52 -> 50 412.49
2023-03-28 53 -> 52 412.49
2023-03-20 55 -> 53 407.01 -> 412.49
2023-02-25 53 -> 55 407.01
2023-02-19 54 -> 53 407.01
2023-01-28 56 -> 54 405.36 -> 407.01

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 462 2022-08-27 22/40 100% 1.80 CRR Sun tournament
2 901 2022-06-12 12/112 100% 4.05 RR Moscow Riichi 2022