Parabitov Volfgang

From Russia

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Internal rating (RR)

Rating date Aug. 3, 2025 (latest changes July 30, 2025).

150 place (255.18).

max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.35

p1 = (224.30 * 4 * 0.14 + 640.45 * 3.75 * 1 + 0 + 0 + 0) / (4 * 0.14 + 3.75 * 1 + 1 + 1 + 1) = 345.5392263986014

p2 = (640.45 * 3.75 * 1 + 224.30 * 4 * 0.14) / max_coefficients = 164.81433224755702

score = 345.5392263986014 * 0.5 + 164.81433224755702 * 0.5 = 255.1767793230792

Rating changes

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all results
Date Place Points Reason
2025-07-30 151 -> 150 255.18
2025-07-13 149 -> 151 255.18
2025-07-12 152 -> 149 253.64 -> 255.18
2025-07-03 154 -> 152 253.34 -> 253.64

SPB Riichi Open 2023: 29% -> 14%
2025-06-15 143 -> 154 255.86 -> 253.34
2025-06-11 150 -> 143 255.86
2025-06-08 149 -> 150 255.86
2025-05-30 151 -> 149 255.86
2025-05-12 151 252.23 -> 255.86
2025-05-03 150 -> 151 252.48 -> 252.23

SPB Riichi Open 2023: 43% -> 29%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 640 2024-10-13 33/90 100% 3.75 RR Moscow Riichi 2024 Moscow
2 224 2023-09-03 84/108 14% 4.00 RR SPB Riichi Open 2023 Saint Petersburg