Shmatko Aleksandra

From Samara, Russia

Player page

Internal rating (RR)

Rating date Oct. 9, 2026 (latest changes Oct. 8, 2026).

143 place (329.09).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41

p1 = (280.90 * 3.75 * 0.14 + 285.71 * 2.60 * 0.29 + 857.14 * 3.50 * 0.57 + 527.27 * 3 * 1 + 132.87 * 4.71 * 1) / (3.75 * 0.14 + 2.60 * 0.29 + 3.50 * 0.57 + 3 * 1 + 4.71 * 1) = 389.9115401013505

p2 = (857.14 * 3.50 * 0.57 + 527.27 * 3 * 1 + 132.87 * 4.71 * 1 + 285.71 * 2.60 * 0.29) / max_coefficients = 268.270603504218

score = 389.9115401013505 * 0.5 + 268.270603504218 * 0.5 = 329.09107180278426

Rating changes

Show

all results
Date Place Points Reason
2026-10-03 144 -> 143 329.09
2026-09-26 144 330.83 -> 329.09

Riichi On Ice: 43% -> 29%
2026-09-06 137 -> 144 330.83
2026-09-03 130 -> 137 354.67 -> 330.83

Riichi over The Volga 2025: 71% -> 57%
2026-09-01 131 -> 130 354.67
2026-08-31 131 354.18 -> 354.67
2026-08-27 132 -> 131 354.18
2026-08-16 129 -> 132 354.18
2026-08-15 129 353.07 -> 354.18
2026-08-13 131 -> 129 350.36 -> 353.07

Moscow Riichi 2024: 29% -> 14%

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 57% 3.50 RR Riichi over The Volga 2025 Samara
4 286 2025-01-26 31/43 29% 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