Orlov Boris

From Vsevolozhsk, Russia

Player page

Common russian riichi rating (CRR)

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

91 place (347.41).

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

p1 = (461.54 * 1.80 * 0.86 + 327.10 * 4 * 1 + 900.90 * 4.05 * 0.57 + 0 + 0) / (1.80 * 0.86 + 4 * 1 + 4.05 * 0.57 + 1 + 1) = 416.48785882042614

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

score = 416.48785882042614 * 0.5 + 278.3254237288136 * 0.5 = 347.40664127461986

Rating changes

Show

all results
Date Place Points Reason
2023-10-12 78 -> 91 377.53 -> 347.41

Moscow Riichi 2022: 71% -> 57%
2023-09-28 81 -> 78 377.53
2023-09-06 82 -> 81 377.53
2023-09-05 83 -> 82 377.53
2023-09-03 76 -> 83 344.74 -> 377.53

SPB Riichi Open 2023: 0% -> 100%
2023-08-27 72 -> 76 349.35 -> 344.74

Sun tournament: 100% -> 86%
2023-08-19 74 -> 72 349.35
2023-08-12 66 -> 74 378.42 -> 349.35

Moscow Riichi 2022: 86% -> 71%
2023-07-28 67 -> 66 378.42
2023-07-20 66 -> 67 378.42

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