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🃏 Gin Rummy Guide

Strategy & rules • 5 min read

Overview

Gin Rummy is a classic two-player card game where you draw and discard cards to form melds (sets of 3-4 cards of the same rank, or runs of 3+ consecutive cards in the same suit). The goal is to reduce your "deadwood" — unmelded cards — to 10 or less to knock, or to 0 to go gin.

How to Play

  1. Each round, draw a card from either the stock pile or the discard pile.
  2. After drawing, you have 11 cards. Click one card to discard it.
  3. Form melds: sets of same-rank cards (e.g., three Kings) or runs (e.g., 5-6-7 of hearts).
  4. When your deadwood totals 10 or less, you can knock (the Knock button appears).
  5. If your deadwood is 0, you've gone gin — the best possible result!
  6. Lowest deadwood at the end wins the round.

Rules

  • Face cards (J, Q, K) are worth 10 points. Aces are worth 1. Number cards are face value.
  • A meld is 3 or 4 cards of the same rank, or 3+ consecutive cards of the same suit.
  • Deadwood = total value of cards not in any meld.
  • Knock when deadwood ≤ 10. Gin when deadwood = 0.
  • If the stock runs out, the round is a draw.

Strategy Tips

  • Keep low cards: Low deadwood cards (Aces and 2s) are less costly if unmelded.
  • Watch the discard pile: Don't discard cards the AI might need.
  • Be flexible: Don't commit to one meld strategy too early — keep cards that could form multiple melds.
  • Knock early: Sometimes knocking with 10 deadwood is better than waiting for gin and risking the AI knocking first.
  • Track discards: Cards that have been discarded can't complete your opponent's melds.

Difficulty Levels

  • Easy: AI makes random discard and pick decisions.
  • Medium: AI evaluates deadwood reduction when picking and discarding.
  • Hard: AI plays optimally, tracking your likely hands and knocking strategically.
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