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Welcome to OzProblems.com, a site all about chess problems in Australia and around the world! Whether you are new to chess compositions or an experienced solver, we have something for you. Our aim is to promote the enjoyment of chess problems, which are at once interesting puzzles and the most artistic form of chess.
An in-depth introduction to the art of chess composition, examining various problem types and themes.
The weekly problem’s solution will appear on the following Saturday, when a new work is quoted.
See last week's problem with solution: No.752.
Prominent Australian problemists write about their involvement in the contemporary problem scene, and present some of their best compositions.
A comprehensive collection of Australian chess problem materials, including e-books, articles, magazines and columns (all free downloads).
A chess problem blog by Peter Wong, covering a range of subjects. The main page provides a topic index.
See latest post below, followed by links to other recent entries.
Use the contact form on the About page to:
Comment on a Weekly Problem you have solved.
Subscribe to OzProblems updates.
Ask about any aspect of chess problems.
Walkabout
OzProblems update on display of twin positions
24 Apr. 2025
Regular visitors to OzProblems will be familiar with the idea of twinning, which is a common way of expanding a problem’s content. In twin problems, the diagram position is solved normally, but additional positions for solving are formed by adjusting the diagram as described, such as by shifting a piece to another starting square. The same task applies, but each simple change leads to a significantly different solution. Traditionally these added positions are given in text only, but with our site update they are now viewable as diagrams without requiring extra space.
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