Shmatko Aleksandra

From Samara, Russia

Player page

Internal rating (RR)

Rating date July 31, 2026 (latest changes July 26, 2026).

131 place (355.42).

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

p1 = (632.91 * 3.65 * 0.14 + 280.90 * 3.75 * 0.29 + 285.71 * 2.60 * 0.43 + 857.14 * 3.50 * 0.71 + 527.27 * 3 * 1 + 132.87 * 4.71 * 1) / (3.65 * 0.14 + 3.75 * 0.29 + 2.60 * 0.43 + 3.50 * 0.71 + 3 * 1 + 4.71 * 1) = 410.2986908325766

p2 = (857.14 * 3.50 * 0.71 + 527.27 * 3 * 1 + 132.87 * 4.71 * 1 + 632.91 * 3.65 * 0.14) / max_coefficients = 300.53980612696336

score = 410.2986908325766 * 0.5 + 300.53980612696336 * 0.5 = 355.41924847977

Rating changes

Show

all results
Date Place Points Reason
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
2026-06-15 121 372.57 -> 378.62
2026-06-14 77 -> 121 452.11 -> 372.57

XII Russian Championship: 0% -> 100%
2026-06-13 79 -> 77 448.04 -> 452.11

Moscow Riichi 2024: 43% -> 29%

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 29% 3.75 RR Moscow Riichi 2024 Moscow
6 633 2024-08-04 30/80 14% 3.65 RR Riichi over Volga Samara