Vinnichenko Aleksandr

From Simferopol, Russia

Player page

Common russian riichi rating (CRR)

Rating date May 12, 2025 (latest changes May 12, 2025).

206 place (202.95).

max_coefficients = (4.60 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.19266

p1 = (466.67 * 1.80 * 1 + 533.33 * 2 * 1 + 0 + 0 + 0) / (1.80 * 1 + 2 * 1 + 1 + 1 + 1) = 280.39264705882357

p2 = (533.33 * 2 * 1 + 466.67 * 1.80 * 1) / max_coefficients = 125.49941879828812

score = 280.39264705882357 * 0.5 + 125.49941879828812 * 0.5 = 202.94603292855584

Rating changes

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all results
Date Place Points Reason
2025-05-12 208 -> 206 200.34 -> 202.95
2025-05-05 209 -> 208 200.34
2025-05-03 207 -> 209 200.34
2025-04-27 207 200.34

South Dragon Cup II: 0% -> 100%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 533 2025-04-27 8/16 100% 2.00 RR South Dragon Cup II Simferopol
2 467 2024-10-27 9/16 100% 1.80 CRR Happy Bamboo 2024 Simferopol