Shmatko Aleksandra

From Samara, Russia

Player page

Internal rating (RR)

Rating date Feb. 9, 2026 (latest changes Feb. 9, 2026).

77 place (479.84).

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

p1 = (632.91 * 3.65 * 0.43 + 280.90 * 3.75 * 0.71 + 285.71 * 2.60 * 0.86 + 857.14 * 3.50 * 1 + 527.27 * 3 * 1) / (3.65 * 0.43 + 3.75 * 0.71 + 2.60 * 0.86 + 3.50 * 1 + 3 * 1) = 536.6436739075548

p2 = (857.14 * 3.50 * 1 + 527.27 * 3 * 1 + 632.91 * 3.65 * 0.43 + 280.90 * 3.75 * 0.71) / max_coefficients = 423.03411371237456

score = 536.6436739075548 * 0.5 + 423.03411371237456 * 0.5 = 479.8388938099647

Rating changes

Show

all results
Date Place Points Reason
2026-02-08 75 -> 77 479.84
2026-02-04 71 -> 75 492.73 -> 479.84

Riichi over Volga: 57% -> 43%
2026-01-26 73 -> 71 489.32 -> 492.73

Riichi On Ice: 100% -> 86%
2026-01-25 81 -> 73 439.57 -> 489.32

Riichi On Ice 2026: 0% -> 100%
2026-01-12 84 -> 81 439.57
2026-01-10 85 -> 84 439.57
2026-01-07 83 -> 85 439.57
2026-01-01 84 -> 83 439.57
2025-12-13 86 -> 84 440.08 -> 439.57

Moscow Riichi 2024: 86% -> 71%
2025-12-07 85 -> 86 440.08

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 86% 2.60 RR Riichi On Ice Samara
4 281 2024-10-13 65/90 71% 3.75 RR Moscow Riichi 2024 Moscow
5 633 2024-08-04 30/80 43% 3.65 RR Riichi over Volga Samara