Abstract According to Johnson-Laird (2010), sudoku, a mind game, is based on a pure
deduction and reasoning processes. This study analyzed sudoku solving skills of preschool …

In this paper we describe models of the logic puzzle Kakuro as a constraint problem with
finite domain variables. We show a basic model expressing the constraints of the problem …

The development of hybrid procedures for optimization focuses on enhancing the strength
and compensating for the weakness of two or more complementary approaches. The goal is …

The past few years have seen several variants of Evolutionary Algorithms (EAs) applied to
solving Sudoku puzzles. Given that EAs with simple components do not work properly …

The well-known logic puzzle Sudoku can be generalized from two to three dimensions by
designing a puzzle that is played on the faces of a cube. One variation, already introduced …

Playing mind games and puzzles has 2500 years of known history. Puzzles and games
constitute a research domain that is attracting the interest of scientists from numerous …

In recent years, several memetic algorithms with explicit mechanisms to delay convergence
have shown great promise when solving 9× 9 Sudoku puzzles. This paper analyzes and …

This paper presents an investigation into utilizing circular swap mutations and partial brute
forcing in guiding a stochastic search toward an optimal solution. The findings have potential …

Sudoku is a deceptively simple logic puzzle which has captured great public interest.
Consisting of a 9× 9 grid and further subdivided into 'mini-grids' of size 3× 3, published …

Harmony Search (HS) a meta heuristic algorithm inspired by music improvisation process in
which the musician searches for the best harmony and continues to polish the harmony in …