What is Alternating Colors in Solitaire?

Alternating Colors
A stacking rule requiring cards in the tableau to alternate between red (Hearts ♥, Diamonds ♦) and black (Spades ♠, Clubs ♣). Each card placed must be the opposite color of the card below it.

How It Works

Example Sequence

Black King → Red Queen → Black Jack → Red 10 → Black 9 → Red 8...

Specifically: K♠ → Q♥ → J♣ → 10♦ → 9♠ → 8♥

Why Alternating Colors?

This rule creates the strategic challenge of Solitaire:

Variants Without Alternating Colors

Some Solitaire games use stricter same-suit rules instead: