Solitaire seems simple, but small decisions add up. Even experienced players fall into habits that cost them winnable games. Here are the most common mistakes and how to fix them.

Mistake 1: Moving Cards to Foundations Too Early

This is the single most common error in Solitaire. When a card can go to a foundation, the instinct is to send it up immediately. After all, getting cards to foundations is how you win — right?

The problem: Cards in the foundations can’t be used for tableau building (or cost you 15 points to retrieve in Standard scoring). A red 4 on the foundation can’t host a black 3 in the tableau. If that black 3 later appears with no place to go, your game stalls.

When It’s Safe to Move Up

  • Aces — always. They serve no tableau purpose.
  • 2s — almost always. Very rarely needed in the tableau.
  • 3s and above — pause and evaluate. Ask: “Is there any card in the tableau or stock that might need to build on this card?”

The Rule of Thumb

A card is safe to move to the foundation when both cards of the opposite color and one rank lower are already on their respective foundations.

Example: It’s safe to move a red 6 to the foundation if both black 5s (Spades 5 and Clubs 5) are already in foundations.

Mistake 2: Ignoring Face-Down Cards

Every face-down card in the tableau is hidden potential — it could be the exact card you need. Players who focus on rearranging visible cards while ignoring opportunities to reveal hidden ones are leaving value on the table.

How to Fix It

  • Before every move, ask: “Does this move expose a face-down card?”
  • When choosing between two equally good moves, prefer the one in the column with more face-down cards.
  • Treat “cards revealed” as a primary metric of move quality.

Mistake 3: Not Scanning Before Moving

Many players make the first legal move they spot without surveying the full tableau. This leads to missed opportunities and suboptimal play.

How to Fix It

Before your first move of every game:

  1. Scan all seven columns left to right.
  2. Note where Aces and 2s are.
  3. Look for moves that expose face-down cards.
  4. Identify which columns have the most hidden cards (these need attention).
  5. Then — and only then — make your first move.

This 10-second habit can significantly improve your results.

Mistake 4: Filling Empty Columns Carelessly

An empty tableau column is one of the most powerful tools in Solitaire. Only Kings can fill empty columns, and using this space wisely can turn a stalled game around.

Common errors:

  • Filling immediately with any available King, even when the empty space is more useful.
  • Not recognizing that empty columns are valuable — some players rush to fill them because empty spaces feel “wrong.”
  • Choosing the wrong King — placing a King that doesn’t help uncover hidden cards wastes the empty column.

How to Fix It

Before placing a King, ask:

  1. Does placing this King expose face-down cards in the column it came from?
  2. Can I build a useful sequence on this King?
  3. Would keeping the column empty for one more turn be more useful as temporary workspace?

Mistake 5: Playing the Stock Too Early

Drawing from the stock should be a last resort — not a first instinct. Players who rush to the stock pile before exhausting tableau moves are missing potential progress.

How to Fix It

  • Make every possible productive tableau move before drawing.
  • A “productive” move is one that exposes face-down cards, builds useful sequences, or advances foundations.
  • Rearranging face-up cards between columns with no concrete benefit is not productive — it just delays the stock draw without changing your position.

Mistake 6: Not Planning Ahead

Solitaire rewards players who think two or three moves ahead. Making single-move decisions without considering consequences leads to dead ends.

Common symptoms:

  • You make a move, then immediately realize it blocks something important.
  • You feel “stuck” frequently, even in games that should be winnable.
  • You rely heavily on the undo button (digital) or give up early.

How to Fix It

Before each move, mentally trace the next 2–3 moves:

  1. “If I place this black 7 on this red 8, what card does that expose?”
  2. “Can I use the exposed card? Where does it go?”
  3. “Does this sequence of moves leave me better or worse off?”

This takes seconds and prevents most avoidable dead ends.

Mistake 7: Building Single Tall Columns

Piling all your building moves onto one or two columns while others sit untouched creates bottlenecks. A 12-card column and six 2-card columns is a worse position than seven 4-card columns.

How to Fix It

  • Spread your building across multiple columns.
  • Target short columns with hidden cards — building on these exposes new cards quickly.
  • Avoid making a column taller than ~8 cards when other columns have building potential.

Mistake 8: Ignoring Color Balance

In Klondike, tableau building alternates red and black. If your available sequences are heavily skewed toward one color pattern, you limit your options.

Example:

If you have three columns start with red Queens but only one column starts with a black Queen, those three red Queens are competing for the same pool of black Jacks. Recognizing this early lets you prioritize moves that balance your color distribution.

Mistake 9: Giving Up Too Soon

Many players abandon games when they feel stuck, but Solitaire often has non-obvious paths forward. Before conceding:

  1. Cycle through the entire stock at least once.
  2. Look for moves you might have missed.
  3. Consider moving cards back from the foundation (if your rule set allows it).
  4. Try rearranging tableau sequences to create new possibilities.

Mistake 10: Not Adapting to the Scoring System

If you’re playing with Vegas scoring, Standard scoring, or Timed scoring, each system demands different tactics. Using the same approach regardless of scoring mode leaves points (or dollars) on the table.

Key adjustments:

Scoring System Key Adaptation
Standard Minimize stock passes (−100 penalty per pass in draw-1)
Vegas Never move to foundations unless you’re sure (can’t return cards)
Timed Balance speed with accuracy — don’t rush into dead ends
None Play for completion rate; ignore efficiency

See our Solitaire Scoring guide for full details.

How Mistakes Compound

The dangerous thing about Solitaire mistakes is they compound. Moving a card to the foundation too early (Mistake 1) means you miss a building opportunity (Mistake 6), which leads to a blocked column (Mistake 7), which forces premature stock draws (Mistake 5), which burns through your passes (Mistake 10).

Fixing even one or two of these habits creates a positive chain reaction through your entire game.

Quick Checklist: Before Every Move

Use this mental checklist to catch mistakes before they happen:

  1. ☐ Have I scanned the full tableau?
  2. ☐ Does this move expose a face-down card?
  3. ☐ Am I sure this card isn’t needed in the tableau before sending it to a foundation?
  4. ☐ Have I considered what happens 2 moves from now?
  5. ☐ Am I using this empty column wisely?

For positive strategies to replace these bad habits, see our Solitaire Strategy and Tips for Winning guides.