Definitions

knock rummy

Gin rummy

Gin rummy (or Gin for short) is a simple and popular two-player card game created by Elwood T. Baker and his son, C. Graham Baker, in 1909. Gin, which evolved from 18th-century Whiskey Poker (according to John Scarne), was created with the intention of being faster than standard rummy, but not as spontaneous as knock rummy.

Deck

Gin is played with a standard 52-card pack of playing cards. Aces can only be played low - the ranking from low-to-high is A-2-3-4-5-6-7-8-9-10-J-Q-K.

Object

The objective in Gin Rummy is to score more points than your opponent.

The basic game strategy is to improve one's hand by forming melds and eliminating deadwood. Two types of meld exist:

  • Sets of 3 or 4 cards sharing the same rank. For example, 8♥-8♣-8♠.
  • Runs of 3 or more cards in sequence, of the same suit. For example, 3♥-4♥-5♥-6♥.

A player's "deadwood" cards are those not in any meld. His deadwood count is the sum of the point values of the deadwood cards— aces are scored at 1 point, face cards at 10, and others according to their numerical values. Intersecting melds are not allowed; therefore, if a player has a 3-card set and a 3-card run sharing a common card, he can only count one of them and must count two cards as deadwood.

Dealing

Dealership alternates from round to round (the dealer to the first round is usually determined by cutting the deck; low card deals). The dealer deals a ten-card hand to his opponent and himself. The 21st card, the upcard, is placed face-up in a central location known as the discard pile. The remainder of the pack, placed face down next to the discard pile, is called the stock pile. A common variation is for the dealer to deal one extra card to the other player; the other player goes first and lays down one card to start the discard pile.

The non-dealing player has the option of taking the upcard and playing first. If the non-dealing player does not want the card, play proceeds with the non-dealing player taking a card from the stock pile.

Gameplay

On each turn, a player:

  • draws either the (face-up) top card of the discard pile, or one card from the stock pile
  • may "knock", ending the round, under certain conditions
  • discards one card from his or her hand onto the discard pile

Play continues, in alternating turns, until one player knocks or only 2 cards remain in the stock pile. In that case, the hand would end in a draw.

Knocking

In standard Gin, a player may not knock unless he has 10 or fewer points of deadwood. He must knock if he has 0 points of deadwood. Knocking with 0 points of deadwood is known as going Gin or having a Gin hand, while knocking with deadwood points is known as going down.

To knock, the knocking player ends his turn by discarding as usual, announces that he is knocking (generally by simply placing his discard face down), and lays his hand out with the melds clearly indicated and deadwood separated. The other ("defending") player is then entitled to lay off any of his deadwood cards that fit into the knocking player's melds.

For example, the knocking player has a meld of three Kings. The defending player has a King as part of his deadwood. He can lay off that King, reducing his deadwood count by ten.

If the knocking player has gone gin, however, the defending player is not allowed to lay off.

Scoring

The number of points awarded for bonuses may vary from region to region. No matter what the bonus amounts are, points are scored in Gin for the following:

Knock Points - after a player knocks, and the lay offs are made, the knocking player receives a score equal to the difference between the two hands. For example, if a player knocks with 8, and the defender has 10 deadwood points in his or her hand after laying off, the knocking player receives 2 points for the hand.

Gin Bonus - after going Gin, a player receives a bonus of 25 points plus the entire count of deadwood in their opponent's hand. There is no chance to lay off when a player goes Gin.

UnderCut - (sometimes called underknocking) occurs when the defending player has a deadwood count lower than or equal to that of the knocking player (this can occur either naturally or by laying off after a knock). In this case, the defender scores an undercut bonus of 25 points plus the difference between the two hands. (In some rule sets, the bonus is only 10 or 20 points, or is not awarded in case of a tie.)

Game Bonus - once a player has acquired 100 points (or some other agreed upon number) the match is over, and that player receives a Game Bonus of 100 points.

Line Bonus - (also known as a box bonus) is added at the end of the match. For every hand a player won during the match, 25 points is added to their score.

Big Gin - prior to knocking, if all 11 cards in a player's hand form a legal gin, the player can retain the extra card as part of their hand, and is awarded an extra 6 points per the "Big Gin" bonus.

Shutout Bonus - if a match is completed with the winner having won every hand, the points for each hand are doubled before adding the Line Bonus.

Variations

Oklahoma Gin

In this popular version of Gin Rummy, the value of the first upcard is used to determine the maximum count at which players can knock. Face cards count as 10; aces count as 0 (no knocking allowed, players must play for Gin). If the upcard is a Spade, the hand will count double.

Hollywood Gin

This is a scoring style, not a rules change to the game of Gin. In Hollywood Gin scoring is kept for three different games at the same time. A player's first win will be recorded in their column in Game One. A player's second win will be recorded in their columns for both Game One and Game Two. Their third win will be recorded in their column for all three games.

Hands are played until all three games are finished.

Single match

When a single match is to be played, the players will continue to play rounds until one player has 100 points or more. This player wins the match.

Multi-match

In multi-match games, 'match scores' are reset to zero with the start of each match whilst the 'game scores' accumulate until a predetermined winning score is reached - perhaps 500 or higher. Each individual match ends when one player scores 100 match points. At the end of the match, players' match scores are credited toward their game scores, as well as:

  • 25 game points for each individual round won,
  • 100 game points to the winner of the match, and
  • 100 bonus game points to the match winner if the loser won no rounds.

Strategy

Although the rules are simple, gin rummy strategy is complex enough that experienced players will outperform beginners. Over the long run, the luck of the cards evens out and the better player will prevail.

Basic strategy

The main goal is to reduce the deadwood count as quickly as possible.

  • Create sets and runs by melding cards.
  • Discard high unmelded cards rather than low ones.
  • Knock as soon as possible.

Advanced strategy

  • Middle cards are far more strategically important than low cards or face cards as they can be used in far more sets and runs. The 7 can be used in more combinations than any other value in the deck. Once again, aces, although they have a low point value, can only form a run with a 2-3 combination, whereas a 7 can be used with a 5-6, 6-8, or 8-9, as well as longer runs.
  • Beware the possibility that the opponent can knock lower and obtain an undercut. This is common if the game is coming down to the bottom of the pile. In the mid-game (when about half the cards in the draw pile have been used), the decision to knock or "go for gin" hinges on how many undrawn cards ("free cards") could give the player gin on the next draw, which could range from zero (all possible gin cards are known to be held by the opponent or are in the discard pile) on up to 5 or so (rarely higher).
  • Although not generally desirable, holding onto high cards at the beginning of the game may allow you to take advantage of an opponent discarding these, allowing you to form high sets or runs and thus making large deadwood reductions. Holding onto unmatched high cards for too long is very dangerous however. Conversely, constantly discarding "from the top" (i.e. from the king down) will soon teach the opponent to do the same to you (save high cards). A good player varies the cards they discard in order to make the discards less predictable and give less of a clue to what they are saving.
  • Manage your cards in a way that does not reveal your holdings. For example, when drawing from the stock, wise players put that card at random in their hands, close their cards, reopen them and only then pick a card to discard. In that way, the opponent does not know how many cards you have saved from the stock.
  • In rare scenarios, you do not have to have a card to place face down in order to win a game.

References

See also

External links

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