Koi Koi

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Koi Koi is a card game played with a Hanafuda deck. Players try to collect cards that make point earning combinations called Yaku. When a player makes a Yaku they can stop the game and collect the points. However, if keep going they have an opportunity to earn more points. The danger is if their opponent makes a Yaku, the opponent can stop the game and earn double the points while the other player earns nothing.

Players 2

Equipment
Hanafuda deck
Score keeper

How to play

Koi Koi is played with a Hanafuda deck. The deck has twelve suits( named for the flower on the card )with four cards in a suit. In the photos below the cards called the brights are in the far left column. The next column is the animal cards followed by the Ribbon cards, and the Junk cards. Notice that some suits do not contain every type of card.

Pine, Plum, and Cherry

Pine, Plum, and Cherry

Wisteria, Iris, Peony,

Wisteria, Iris,  and ,Peony

Bush clover, Pampas Grass, chrysanthemum

Bush clover, Pampas Grass, Chrysanthemum

Maple, Paulownia, Willow

Maple, Paulownia, and Willow

The first dealer of the game is decided in a random manner of the player’s choosing. The  dealers deals 8 cards 4 at a time to each player. The dealer then puts eight cards face up on the table. The remaining cards form the draw pile.

There are two ways to win the hand instantly. If a player is dealt all four cards of a suit he or she earns six points and a new hand is dealt. If a player is dealt four pairs he or she earns six points and a new hand is dealt.

The dealer begins play.

On the player’s turn, he or she may match a card from his or her hand with one on the table of the same suit and collect them into their point pile. If the card from his or her hand does  not match a card on the table, it is  left  face up on to the table with the other cards.

After matching or discarding a card, the player then draws one card from the draw pile and places it face up on the playing area. If the card matchs the suit of a card already on the table the player collects both cards. If the draw card can not match a card on the table, it is left face up on the table with the other cards.

If there are two cards that can be matched on the table the player may chose the card he or she wants to match. Three cards of the same suit on the table are formed in a stack and are collected when the player plays the fourth card.

At the end of a player’s turn the cards collected may have formed a point earning combination called a Yaku. After a player forms a  Yaku or improves an existing Yaku he or she must call “shobu”or “koi koi”. If he or she calls shobu this ends the hand. The caller adds the value of the yaku to his or her point total. Only the player who calls shobu earns any points.  The player can also choose to continue playing by calling koi koi. Calling Koi koi allows the player to collect more points but, if his or her opponent is able to call shobu before the first caller forms another Yaku or improves an existing one, the opponent gains double his or her score and the first caller earns nothing.

If a player has yaku totaling 7 or more points when the hand ends, that player earns twice that value. If a player earns  7 or more points and his opponent had called koi-koi, he gets both doubling bonuses for a total of four times his or score.

Should the players run out of cards to play without having formed a yaku on the last play, no points are awarded to either player, and the next hand begins with the same dealer.

The winner of the hand deals the next hand.

There are 12 hands to a game , but the players may agree to play for a different number of hands  at the beginning of the game. The player with most points after the agreed upon rounds wins the game.

Yaku

Gokō (五光) 10 points for collecting All five bright cards.

Gokō (五光) 10 points for collecting All five bright cards.

Shikō (四光) 8 points for collecting the four brights which exclude the Rainman (Willow's bright card).

Shikō (四光) 8 points for collecting the four brights which exclude the Rainman (Willow’s bright card).

Ame-Shikō (雨四光) 7 points for collecting any four Bright cards including the Rainman (Willow's bright card).

Ame-Shikō (雨四光) 7 points for collecting any four Bright cards including the Rainman (Willow’s bright card).

Sankō (三光) 5 points for collecting any three bright cards excluding the Rainman (Willow's bright card)

Sankō (三光) 5 points for collecting any three bright cards excluding the Rainman (Willow’s bright card)

Inoshikachō (猪鹿蝶) 5 points for collecting the Boar, the Deer, and the Butterflies (the animal cards from Clover, Maple, and Peony. One additional point is awarded for every additional animal card.

Inoshikachō (猪鹿蝶) 5 points for collecting the Boar, the Deer, and the Butterflies (the animal cards from Clover, Maple, and Peony. One extra point is awarded for every additional animal card.

Tane (タネ) 1 point for collecting any five animal cards, One additional point is awarded for every additional animal card.

Tane (タネ) 1 point for collecting any five animal cards, One extra point is awarded for every additional animal card.

Akatan (赤短) 5 points for collecting all 3 Red Poetry Ribbons (found in Pine, Ume, and Sakura). One additional point is awarded for every additional ribbon card.

Akatan (赤短) 5 points for collecting all 3 Red Poetry Ribbons (found in Pine, Ume, and Sakura). One extra point is awarded for every additional ribbon card.

Aotan (青短) 5 points for collecting all 3 Purple/Blue Ribbons (found in Peony, Chrysanthemum, and Maple). One additional point is awarded for every additional ribbon card.

Aotan (青短) 5 points for collecting all 3 Purple/Blue Ribbons (found in Peony, Chrysanthemum, and Maple). One extra point is awarded for every additional ribbon card.

Akatan, Aotan no Chōfuku (赤短・青短の重複) 10 points for collecting all 3 Red Poetry Ribbons and all 3 Purple/Blue Ribbons: the combination of Aka-tan and Ao-tan. One additional point is awarded for every additional ribbon card.

Akatan, Aotan no Chōfuku (赤短・青短の重複) 10 points for collecting all 3 Red Poetry Ribbons and all 3 Purple/Blue Ribbons: the combination of Aka-tan and Ao-tan. One extra point is awarded for every additional ribbon card.

Tanzaku (短冊) 1 point for collecting any five ribbon cards. One extra point is awarded for every additional ribbon card

Tanzaku (短冊) 1 point for collecting any five ribbon cards. One extra point is awarded for every additional ribbon card

Hanami-zake (花見酒) 5 points for collecting the Sakura Curtain and the Sake Cup (Sakura's bright card and Chrysanthemums' animal card ). Cumulative with Tsukimi-bake

Hanami-zake (花見酒) 5 points for collecting the Sakura Curtain and the Sake Cup (Sakura’s bright card and Chrysanthemums’ animal card ). Cumulative with Tsukimi-bake

Tsukimi-zake (月見酒) 5 points for collecting the Moon and the Sake Cup (Pampas' bright card and Chrysanthemums' animal . Cumulative with Hanami-zake

Tsukimi-zake (月見酒) 5 points for collecting the Moon and the Sake Cup (Pampas’ bright card and Chrysanthemums’ animal . Cumulative with Hanami-zake

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