Orlov Boris

From Vsevolozhsk, Russia

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Internal rating (RR)

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

80 place (329.72).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915

p1 = (900.90 * 4.05 * 0.71 + 327.10 * 4 * 1 + 0 + 0 + 0) / (4.05 * 0.71 + 4 * 1 + 1 + 1 + 1) = 395.7013681003021

p2 = (900.90 * 4.05 * 0.71 + 327.10 * 4 * 1) / max_coefficients = 263.7379517433065

score = 395.7013681003021 * 0.5 + 263.7379517433065 * 0.5 = 329.7196599218043

Rating changes

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all results
Date Place Points Reason
2023-09-20 81 -> 80 329.72
2023-09-06 82 -> 81 329.72
2023-09-03 82 329.72

SPB Riichi Open 2023: 0% -> 100%

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 71% 4.05 RR Moscow Riichi 2022