Orlov Boris

From Vsevolozhsk, Russia

Player page

Internal rating (RR)

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

86 place (301.10).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.57) = 14.26417

p1 = (900.90 * 4.05 * 0.57 + 327.10 * 4 * 1 + 0 + 0 + 0) / (4.05 * 0.57 + 4 * 1 + 1 + 1 + 1) = 364.3105075385139

p2 = (900.90 * 4.05 * 0.57 + 327.10 * 4 * 1) / max_coefficients = 237.88625626307032

score = 364.3105075385139 * 0.5 + 237.88625626307032 * 0.5 = 301.0983819007921

Rating changes

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all results
Date Place Points Reason
2023-10-12 81 -> 86 329.72 -> 301.10

Moscow Riichi 2022: 71% -> 57%
2023-09-20 82 -> 81 329.72
2023-09-06 83 -> 82 329.72
2023-09-03 83 329.72

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 57% 4.05 RR Moscow Riichi 2022