Find the Theme, Part 2

What do these words have in common?

ALMOND
INCOME
CANDID
MEMORIAL
CONCORDE
GANYMEDE
MANDARIN
MAINLAND

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All are composed of U.S. state postal abbreviations.

October 9, 2009January 22, 2013 | Puzzles

Hell’s Bells

hell's bells

A Christmas puzzle by J.C.J. Wainwright, from the American Chess Bulletin, December 1917.

White to mate in one move.

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Okay, this was a trick question, which admittedly is not very Christmassy. It must be Black’s move; if it were White’s then there’s no legal move that Black can just have made. But on any Black move, White can now mate immediately: 1. … Kxb7 2. c8=Q# 1. … Bxb7 2. Na7# 1. … Rxc7 2. R(1)xc7# 1. … Rd8+ 2. cxd8=N# On anything else, White plays 2. Rb8#.

October 4, 2009January 22, 2013 | Puzzles

Retail Trouble

A woman visits a jewelry store and buys a ring for $100.

The next day she returns and asks to exchange it for another. She picks out one worth $200, thanks the jeweler and turns to go.

“Wait, miss,” he says. “That’s a $200 ring.”

“Yes,” she says. “I paid you $100 yesterday, and I’ve just given you a ring worth $100.”

And she trips lightly out of the store.

October 3, 2009 | Puzzles

The Corpse Groom

A man once married his widow’s sister.

How is this possible?

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The man married one woman, who died. He married her sister and then himself died, making a widow of the second wife. Thus he once married his widow’s sister.

September 27, 2009January 22, 2013 | Puzzles

Dispatch

By Sam Loyd. In how few moves can White mate?

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White can mate in one move — bxa8=Q#:

September 24, 2009January 22, 2013 | Puzzles

Find the Theme, Part 1

What do these words have in common?

BEANED
DOTTED
GRANTED
HERBAL
HOMERED
JACKAL
LEEWARD
ROYAL
PATRON
VICTIM
VICTORIAN

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Each word can be broken into a pair of given names (BEA NED, etc.).

September 4, 2009January 22, 2013 | Puzzles

Spared

spared

By Karl Fabel. White to move and not checkmate.

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1. Rc6+ permits 1. … Rxh7. From Rätselstunde, 1952.

August 18, 2009September 11, 2015 | Puzzles

Royal Pain

You’re a knight in love with a princess. Unfortunately, the king knows you’re poor and disapproves of the match.

On the night of a great feast, the king calls you up before his men and presents a golden box. In it are two folded slips of paper. One, he announces, reads “Marriage,” the other “Death.” “Choose one,” he says.

Pretending to stir the fire, the princess manages to whisper that both slips say “Death.” But the king and his men are waiting, and you cannot escape now.

What should you do?

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Take either slip and drop it into the fire. Say, “Oops! I didn’t manage to read my fate. But we can soon determine what it was — what does the remaining slip say?”

August 5, 2009January 21, 2013 | Puzzles

Rock and Roll

Worshipful natives are rolling a giant statue of me across their island. The statue rests on a slab, which rests on rollers that have a circumference of 1 meter each. How far forward will the slab have moved when the rollers have made 1 revolution?

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The slab will have moved forward 2 meters, not 1. If the slab were removed, 1 turn would advance the rollers 1 meter. If the rollers were held in place, 1 turn would advance the slab 1 meter. Combining the two motions means that 1 turn advances the slab 2 meters. See “The Famous ‘Wheel Question’.”

August 1, 2009January 21, 2013 | Puzzles

“Christopher Crusty’s Little Idea”

White to mate on the move.

“A real-right-down regular rare one. The problem exhibited is quite correct Chess, and no violation of any law takes place. In fact, it is found to be quite easy — when you know how.”

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The diagram is sideways. Bwahahaha! (ducks) How should we correct it? Well, if we turn it a quarter turn clockwise, then Black’s light-square bishop is trapped behind an unmoved pawn, which is impossible. So turn it to the left: Now, the black pawn on g2 must have started on h7; otherwise Black’s pawns must have devoured an impossible amount of material to reach their present positions. That means that the f5, f4, and g2 pawns cannot have moved last, and that means that Black’s last move must have been b7-b5. Thus White can capture the b-pawn en passant, giving mate: From the Leeds Mercury Supplement, collected in Thomas B. Rowland, Chess Fruits, 1884.

Click for Answer

July 25, 2009January 21, 2013 | Puzzles