Shmatko Aleksandra

From Samara, Russia

Player page

Internal rating (RR)

Rating date Sept. 5, 2025 (latest changes Sept. 3, 2025).

83 place (471.31).

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

p1 = (632.91 * 3.65 * 0.86 + 280.90 * 3.75 * 1 + 285.71 * 2.60 * 1 + 857.14 * 3.50 * 1 + 0) / (3.65 * 0.86 + 3.75 * 1 + 2.60 * 1 + 3.50 * 1 + 1) = 484.76454590881724

p2 = (857.14 * 3.50 * 1 + 632.91 * 3.65 * 0.86 + 280.90 * 3.75 * 1 + 285.71 * 2.60 * 1) / max_coefficients = 457.854054054054

score = 484.76454590881724 * 0.5 + 457.854054054054 * 0.5 = 471.30929998143563

Rating changes

Show

all results
Date Place Points Reason
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
2025-07-30 77 -> 76 476.52
2025-07-13 76 -> 77 476.52
2025-07-12 78 -> 76 472.19 -> 476.52
2025-07-03 77 -> 78 472.19

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 86% 3.65 RR Riichi over Volga Samara