Problems & Puzzles

Godfrey Heathcote, Hampstead and Highgate Express, 1905-06 (1st Prize): White to move and mate in two. (See solution)

A stock market crash is a sudden dramatic decline of stock prices across a significant cross-section of a stock market. Crashes are driven by panic as much as by underlying economic factors. They often follow speculative stock market bubbles.

Fishkeeping is a popular hobby concerned with keeping fish in the home aquarium or garden pond.

One of the charms of the game of chess is the interplay between tactics and strategy. Tactics refers to "traps", "tricks" or "combinations" that achieve checkmate or material advantage within a few moves (more or less) while strategy refers to achieving long-term goals through the proper development or arrangement of the pieces on the board in the absence of any short-term opportunities.

This animation moves at 10 frames per second.

This animation moves at 2 frames per second. At this rate, the individual frames should be discernible.

This still from The Big Combo (1955) demonstrates the visual style of film noir at its most extreme. John Alton, the film's cinematographer, created many of the iconic images of film noir.
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