Shmatko Aleksandra

From Samara, Russia

Player page

Internal rating (RR)

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

76 place (475.78).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (632.91 * 3.65 * 0.29 + 280.90 * 3.75 * 0.43 + 285.71 * 2.60 * 0.71 + 857.14 * 3.50 * 1 + 527.27 * 3 * 1) / (3.65 * 0.29 + 3.75 * 0.43 + 2.60 * 0.71 + 3.50 * 1 + 3 * 1) = 565.4380959432591

p2 = (857.14 * 3.50 * 1 + 527.27 * 3 * 1 + 632.91 * 3.65 * 0.29 + 285.71 * 2.60 * 0.71) / max_coefficients = 386.1163879598662

score = 565.4380959432591 * 0.5 + 386.1163879598662 * 0.5 = 475.77724195156264

Rating changes

Show

all results
Date Place Points Reason
2026-04-13 78 -> 76 471.56 -> 475.78

Moscow Riichi 2024: 57% -> 43%
2026-04-11 77 -> 78 471.56
2026-04-05 78 -> 77 471.56
2026-04-04 73 -> 78 484.35 -> 471.56

Riichi over Volga: 43% -> 29%
2026-04-02 74 -> 73 484.35
2026-03-30 73 -> 74 484.35
2026-03-26 73 481.48 -> 484.35

Riichi On Ice: 86% -> 71%
2026-03-12 74 -> 73 481.48
2026-03-07 75 -> 74 481.48
2026-03-02 76 -> 75 481.48

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 527 2026-01-25 27/56 100% 3.00 RR Riichi On Ice 2026 Samara
2 857 2025-05-03 11/71 100% 3.50 RR Riichi over The Volga 2025 Samara
3 286 2025-01-26 31/43 71% 2.60 RR Riichi On Ice Samara
4 281 2024-10-13 65/90 43% 3.75 RR Moscow Riichi 2024 Moscow
5 633 2024-08-04 30/80 29% 3.65 RR Riichi over Volga Samara