The Grandfather of Checkers
Recorded in Alfonso X’s Book of Games, Spain, 1283

STEP & LEAP

Twelve pieces each on a lattice of 25 points. Step along the lines, or leap over an adjacent enemy to capture it — exactly like the checkers it fathered.

THE LINES DECIDE

Diagonal lines pass through only half the points. Jumps are mandatory, and a leaping piece must keep leaping while captures remain.

Wins: 0
Losses: 0
Games: 0
ALQUERQUE
Leap the lines like it’s 1283.
You 12/12
The Vizier 12/12
Quiet moves: 0 / 50 (at the limit, most pieces wins)

Your move. Jumps are mandatory.

HOW TO PLAY
Alquerque — medieval Iberian strategy

THE LATTICE

Pieces sit on the 25 points where lines cross, and move along the lines. Every point has orthogonal lines; the diagonal lines pass through only half the points — watch the pattern.

STEPPING & LEAPING

Step to an adjacent empty point along a line, or leap over an adjacent enemy piece to the empty point directly beyond it — the leapt piece is captured. Both halves of a leap must follow lines on the lattice.

MANDATORY CAPTURES

If a capture is available, you must take it. After a leap, the same piece must keep leaping while fresh captures remain (you choose the direction when chains branch).

WINNING

Capture all twelve enemy pieces, or block the Vizier so he cannot move. After 50 moves without a capture, the side with more pieces wins.

YOU WIN
A game worthy of the Book of Games.
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