Shmatko Aleksandra

From Samara, Russia

Player page

Internal rating (RR)

Rating date Aug. 14, 2026 (latest changes Aug. 13, 2026).

129 place (353.07).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997

p1 = (280.90 * 3.75 * 0.14 + 285.71 * 2.60 * 0.43 + 857.14 * 3.50 * 0.71 + 527.27 * 3 * 1 + 132.87 * 4.71 * 1) / (3.75 * 0.14 + 2.60 * 0.43 + 3.50 * 0.71 + 3 * 1 + 4.71 * 1) = 406.35111213600686

p2 = (857.14 * 3.50 * 0.71 + 527.27 * 3 * 1 + 132.87 * 4.71 * 1 + 285.71 * 2.60 * 0.43) / max_coefficients = 299.78663307245176

score = 406.35111213600686 * 0.5 + 299.78663307245176 * 0.5 = 353.06887260422934

Rating changes

Show

all results
Date Place Points Reason
2026-08-13 131 -> 129 350.36 -> 353.07

Moscow Riichi 2024: 29% -> 14%
2026-08-04 132 -> 131 355.42 -> 350.36

Riichi over Volga: 14% -> 0%
2026-08-02 131 -> 132 355.42
2026-07-26 132 -> 131 356.71 -> 355.42

Riichi On Ice: 57% -> 43%
2026-07-18 129 -> 132 356.71
2026-07-14 130 -> 129 356.71
2026-07-12 126 -> 130 356.71
2026-07-03 119 -> 126 378.62 -> 356.71

Riichi over The Volga 2025: 86% -> 71%
2026-07-02 120 -> 119 378.62
2026-06-27 121 -> 120 378.62

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 133 2026-06-14 125/144 100% 4.71 RR XII Russian Championship Samara
2 527 2026-01-25 27/56 100% 3.00 RR Riichi On Ice 2026 Samara
3 857 2025-05-03 11/71 71% 3.50 RR Riichi over The Volga 2025 Samara
4 286 2025-01-26 31/43 43% 2.60 RR Riichi On Ice Samara
5 281 2024-10-13 65/90 14% 3.75 RR Moscow Riichi 2024 Moscow
6 633 2024-08-04 30/80 0% 3.65 RR Riichi over Volga Samara