Orlov Boris

From Vsevolozhsk, Russia

Player page

Common russian riichi rating (CRR)

Rating date Oct. 12, 2023 (latest changes Oct. 12, 2023).

90 place (347.41).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 2.80 * 1) = 14.75

p1 = (900.90 * 4.05 * 0.57 + 461.54 * 1.80 * 0.86 + 327.10 * 4 * 1 + 0 + 0) / (4.05 * 0.57 + 1.80 * 0.86 + 4 * 1 + 1 + 1) = 416.48785882042625

p2 = (900.90 * 4.05 * 0.57 + 327.10 * 4 * 1 + 461.54 * 1.80 * 0.86) / max_coefficients = 278.3254237288136

score = 416.48785882042625 * 0.5 + 278.3254237288136 * 0.5 = 347.4066412746199

Rating changes

Show

all results
Date Place Points Reason
2023-10-12 77 -> 90 377.53 -> 347.41

Moscow Riichi 2022: 71% -> 57%
2023-09-28 80 -> 77 377.53
2023-09-06 81 -> 80 377.53
2023-09-05 82 -> 81 377.53
2023-09-03 75 -> 82 344.74 -> 377.53

SPB Riichi Open 2023: 0% -> 100%
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

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 327 2023-09-03 73/108 100% 4.00 RR SPB Riichi Open 2023
2 462 2022-08-27 22/40 86% 1.80 CRR Sun tournament
3 901 2022-06-12 12/112 57% 4.05 RR Moscow Riichi 2022