Card Games 🇺🇸United States20th century

Gin Rummy

Fast 2-player card game invented in 1909 in New York — race to form sets (3-4 same rank) and runs (3+ same suit consecutive) in your 10-card hand, then 'knock' when unmatched cards total 10 or fewer, or shout 'Gin!' with all matched.

📐card table⏱~20 min🌤indoor

What is Gin Rummy?

Gin Rummy is a 2-player card game invented in 1909 in New York City by Elwood T. Baker + his son Charles Graham Baker (variation of earlier Whiskey Poker + Rummy variants). Deal 10 cards to each player from a standard 52-card deck. Players alternate drawing (from deck or discard pile) + discarding 1 card. Goal: form 'sets' (3-4 same rank) + 'runs' (3+ same suit consecutive). When your unmatched cards (deadwood) total 10 or fewer, you may 'knock' — reveal your hand + opponent counts their own deadwood. Points: knocker scores difference in deadwood counts. If knocker has 0 deadwood ('Gin'), 25-point bonus. If opponent has less deadwood ('undercut'), opponent scores 25 + difference. First to 100 pts wins the game. Popular casino side game + strong pro scene: World Gin Rummy Championship (Las Vegas) held annually with $1M prize pools.

Quick facts

How it works

Objective

Reach 100 points first (across multiple hands). Score by knocking (reduce deadwood to ≤10) or Gin (all cards matched, 0 deadwood).

Match structure

Deal 10 cards each. Non-dealer draws first (from deck or discard pile). Players alternate: draw one card + discard one card. When your unmatched cards (deadwood) total ≤10, may knock: reveal hand + opponent lays down their sets/runs + counts deadwood. Score differences. First to 100 wins game; first to X games wins match.

Rules

Basic rules

Deal 10 cards each
Remaining deck face-down as draw pile; top card face-up starts discard pile.
Draw + discard on turn
Take card from draw pile OR discard pile top; discard 1 card face-up.
Form sets + runs
Set: 3-4 cards same rank different suits. Run: 3+ cards same suit in consecutive rank.
Knock (unmatched ≤10)
When your deadwood (unmatched cards) totals 10 or fewer, may knock.
Layoff (opponent)
After knock, opponent may lay off their unmatched cards onto knocker's sets/runs to reduce deadwood.
Scoring
Knocker scores difference in deadwood totals. Gin (0 deadwood) = +25 bonus.
First to 100 wins
Bonus 100 for winning game + 20 per hand won.

Advanced rules

Ace low only
Ace = 1 point; K, Q, J = 10 pts; other cards = face value.
Undercut penalty
If knocker doesn't have Gin AND opponent has less deadwood after layoffs = opponent scores 25 + difference (undercut bonus).
Boxes / Line bonus
Each hand won = +20 pt 'box' bonus in some scoring systems.
Shutout bonus (Skunk)
If loser scores 0 in entire game = 100 pt bonus for winner.
Hollywood scoring
3 columns for each hand — accumulate multiple games simultaneously.
Cannot lay off on Gin
If knocker has Gin, opponent cannot lay off any cards.
Two hands variant
Some tournaments: each player plays both sides across 2 hands then compare totals.
Time control (tournament)
10-20 sec per turn — prevents 'analysis paralysis'.

Scoring

Knocker scores difference in deadwood; Gin (0 deadwood) = +25; Undercut = 25 + difference.

Action	Points
Knock (opponent has more deadwood)	Difference in deadwood counts
Gin (all 10 cards matched, 0 deadwood)	+25 bonus + all opponent deadwood
Undercut (opponent has less deadwood after layoffs)	Opponent scores +25 + difference
Box / Line bonus (per hand won)	+20 per hand
Game win bonus (first to 100)	+100
Shutout / Skunk (loser scored 0)	+100 bonus

Win condition · First player to 100 pts wins game.

Playing area

Called

card table

Dimensions

Any table with 2 seats + central discard pile area.

Small table (60-80 cm) with cards + score pad.

Equipment

52-card deck
Standard playing cards (no jokers in classic; some variants use joker as wild).
Score sheet + pencil
Track hand + game scores across rounds.

Officiating

Casual: honor-based scoring. Professional: judges verify sets/runs + time enforcement.

Self-officiated in casual play
Tournament Director + Judges in professional tournaments

Strategies

Discard high cards early
K, Q, J worth 10 pts each; get rid to reduce deadwood risk.
Track opponent draws
If opponent takes discard pile card, they need that suit/rank — deduce their hand.
Knock at 10 (max deadwood)
Faster games; avoid opponent forming their own hand.
Play for Gin (0 deadwood)
Higher risk but +25 bonus; slower + more likely to lose.
Undercut prevention
Don't knock if you suspect opponent has less deadwood.
Layoff cards after opponent's knock
Extend their sets/runs with your unmatched cards to reduce your deadwood.
Oklahoma gin rule
First discard sets max knock value — plan accordingly.

Terminology

Set (Group): 3 or 4 cards of same rank, different suits.
Run (Sequence): 3+ cards of same suit, consecutive ranks.
Meld: Any set or run formed in your hand.
Deadwood: Unmatched cards remaining in hand after melds; face values summed.
Knock: End hand when deadwood ≤ 10; reveal hand + count vs opponent.
Gin: All 10 cards in melds; deadwood = 0. +25 bonus.
Undercut: After knock + layoffs, opponent has less deadwood than knocker = +25 penalty for knocker.
Layoff: Adding unmatched cards to knocker's melds after their knock.
Box / Line bonus: 20 pts per hand won (in some scoring systems).
Ace low, K high: A = 1 pt; 2-10 face value; J/Q/K = 10 pts.
Shutout / Skunk: Loser scores 0 for entire game = +100 bonus.
Oklahoma Gin: Variant where first discard sets maximum deadwood value for knocking.
Hollywood scoring: 3 columns tracking multiple games simultaneously.

Major competitions

World Series of Gin Rummy (WSGR)
annual · Las Vegas, USA · since 1993
International Gin Rummy Championship
annual · worldwide (online + LAN)
Casino-hosted tournaments
weekly · worldwide

Where it is played

Governing bodies

World Series of Gin Rummy (private)
Founded 1993 · Las Vegas, USA
American Gin Rummy Association
Founded 1980 · USA

Famous names & records

Famous athletes

Stu Ungar (USA, 1953-1998) — Considered greatest gin rummy + poker player ever; multiple WSGR titles
Jimmy Cassella (USA) — Multi-time WSGR champion
Josh Arieh (USA) — Modern top pro; WSOP crossover
Anna Rissanen (Finland) — Women's world champion 2016
Michael Barnett (USA) — 2020 WSGR winner

Records

Largest Gin Rummy tournament prize pool
WSGR 2019 — $1M split (2019)
Stu Ungar's win streak
Stu Ungar — Undefeated in Vegas gin rummy for 6+ years (1985)
Games sold worldwide (all Rummy)
Cumulative — 500+ million sets (2024)

Learn this sport

beginner

1
Learn set + run rules
Sets: 3-4 same rank. Runs: 3+ same suit consecutive.
2
Play basic games
Casual with friend; focus on forming melds + knocking under 10.
3
Discard high cards early
K, Q, J are 10 pts each — discard first turns.

intermediate

1
Track opponent's discards + draws
Deduce their hand from what they take + throw away.
2
Undercut awareness
Recognize when opponent likely has less deadwood — don't knock.
3
Ranked online play (Yahoo!, RummyRoyal, GinRummy.com)
Match against opponents of similar skill.

advanced

1
Card counting + probability
Track which cards have been played; calculate remaining draws.
2
Live tournament (Vegas)
WSGR + casino side tournaments.
3
Study Stu Ungar techniques
Read 'One of a Kind' (Stu Ungar biography); analyze historic games.

Frequently asked

How is Gin Rummy different from Rummy?+

Gin Rummy is a specific 2-player variant. Regular Rummy: 2-6 players; each turn draw + discard + optionally 'meld' cards to table (visible sets/runs). Gin: 2-player only; melds stay in hand (private); reveal only when knocking. Gin is faster + more strategic; Rummy is more social.

How do you win at Gin Rummy?+

Score 100 pts first. Options: (1) Knock when deadwood ≤ 10 → score difference. (2) Gin: all 10 cards melded → +25 bonus + opponent's deadwood. Strategy: play tight (knock at 10) vs risky (wait for Gin).

What is 'deadwood'?+

Deadwood = unmatched cards in your hand (not part of a set or run). Face values summed: A=1, 2-10 face value, J/Q/K=10 each. You can knock when deadwood ≤ 10. Gin = 0 deadwood.

What is 'undercut'?+

After knocker reveals hand + opponent lays off cards onto knocker's melds, opponent tallies their remaining deadwood. If opponent has LESS deadwood than knocker → opponent scored 'Undercut' = +25 + difference. Big scoring event; knock cautiously.

Who invented Gin Rummy?+

Elwood T. Baker + his son Charles Graham Baker in New York City, 1909 — variation of earlier Whiskey Poker + Rummy variants. Became popular in Hollywood during 1930s-40s (Bing Crosby + Ella Fitzgerald known enthusiasts). Casino play from 1970s onward.

What is Stu Ungar's connection?+

Stu Ungar (1953-1998) was considered the greatest gin rummy player ever. In New York + Las Vegas in the 1970s-80s he beat everyone — earned nickname 'The Kid' + 'The Comeback Kid.' He then translated dominance to poker (won 3 WSOP Main Events). Died 1998 aged 45.

Sources & provenance

Wikipedia — Gin rummy— Wikipedia
Bicycle Cards — Gin Rummy Rules— Bicycle

Last verified 2026-08-24.community