Shmatko Aleksandra

From Samara, Russia

Player page

Internal rating (RR)

Rating date Oct. 4, 2025 (latest changes Oct. 4, 2025).

82 place (457.30).

max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8

p1 = (857.14 * 3.50 * 1 + 632.91 * 3.65 * 0.71 + 280.90 * 3.75 * 1 + 285.71 * 2.60 * 1 + 0) / (3.50 * 1 + 3.65 * 0.71 + 3.75 * 1 + 2.60 * 1 + 1) = 479.0262755351319

p2 = (857.14 * 3.50 * 1 + 632.91 * 3.65 * 0.71 + 280.90 * 3.75 * 1 + 285.71 * 2.60 * 1) / max_coefficients = 435.5641891891891

score = 479.0262755351319 * 0.5 + 435.5641891891891 * 0.5 = 457.2952323621605

Rating changes

Show

all results
Date Place Points Reason
2025-10-04 80 -> 82 471.31 -> 457.30

Riichi over Volga: 86% -> 71%
2025-09-14 81 -> 80 471.31
2025-09-12 82 -> 81 471.31
2025-09-10 83 -> 82 471.31
2025-09-03 86 -> 83 471.31
2025-09-01 87 -> 86 465.28 -> 471.31
2025-08-31 81 -> 87 465.28
2025-08-09 82 -> 81 465.28
2025-08-04 77 -> 82 476.52 -> 465.28

Riichi over Volga: 100% -> 86%
2025-08-03 76 -> 77 476.52

Tournaments

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