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Yokohama-bana [横浜花] is a Hana-Awase variant from the Kanagawa prefecture of Japan, with simple gambling rules.
It seems to be a simplification of the game Hachi-hachi, as most of the Teyaku, Dekiyaku, and Special Yaku are also present in that game.
Note that the name may also refer to Hachi-hachi itself, which originated in Yokohama, Japan.
In this game, 3 players participate in the round at once.
It has not been attested whether only 3 players play in the game, or if it can be played by more than 3 players using a Join-in/Drop-out system. (NEEDS MORE DOCUMENTATION)
¶ Teyaku
| Value (in points) | Name | Description |
|---|---|---|
¶ Group A: Set Teyaku |
||
| 20 | Triplet/Three of a Kind 三本 [さんぼん, sanbon] |
Any three cards of the same month. |
| 40 | Three Pairs 喰付 [くっつき, kuttsuki] (lit. sticky?) |
Three pairs of cards- a pair being two cards from the same month. |
| 50 | Four of a Kind 手四 [てし, teshi] |
Four cards from the same month. |
| 50 | Triplet and Two Pairs 跳剣 [はねけん, haneken] (lit. jumping sword?) |
A Triplet (or Standing Triplet) and two pairs. |
¶ Group B: Chaff TeyakuNote: For the purposes of these teyaku, all  Willow cards are considered Chaff, as opposed to their usual value. In particular, the Willow Ribbon is not considered a Ribbon. |
||
| 20 | Red 赤 [あか, aka] |
Two or more of any Ribbon card, with Chaff in the remainder of the hand. Note: Despite the name, all Ribbon cards count, including the blue ones. |
| 20 | One Ribbon 短一 [たんいち, tan’ichi] |
One Ribbon card, six Chaff. |
| 20 | One Animal 十一 [といち, toichi] |
One Animal card, six Chaff. |
| 30 | One Bright 光一 [ぴかいち, pikaichi] |
One Bright card, six Chaff. |
| 40 | Empty Hand 空素 [からす, karasu] |
Seven Chaff cards. |
The teyaku within each group are mutually exclusive, meaning that each player scores for their single most valuable teyaku in each of Groups A and B. In order to claim their teyaku, a player must reveal all the relevant cards from their hand:
- For teyaku in Group A, show all cards that are part of the combination.
- For teyaku in Group B, only the Chaff cards need to be shown.
All teyaku payments will be settled during Card Point Scoring.
¶ Dekiyaku
Forming a Dekiyaku stops the round. The player is paid shares for the Dekiyaku they formed, and the next round begins.
It is not attested whether a player may choose to continue the round or not after forming a dekiyaku. (NEEDS MORE DOCUMENTATION)
| Value | Name of Yaku | Composition |
|---|---|---|
| Get 4 shares from each player (Total 8) | Four Brights 四光 [しこう, shikou] |
    |
| Get 2 shares from each player (Total 4) | Poetry Ribbons 赤短 [あかたん, akatan] |
The three Poetry Ribbons:   |
| Get 2 shares from each player (Total 4) | Blue Ribbons 青短 [あおたん, aotan] |
The three Blue Ribbons:   |
¶ Scoring when Dekiyaku is not Formed
If the round ends and nobody has formed a Dekiyaku, then players must count their card points.
¶ Card Values
The card values used are completely standard, the same as used in Hachi-Hachi.
| Card Type | Value | Number in Deck |
|---|---|---|
| Bright | 20 | 5 |
| Animal | 10 | 9 |
| Ribbon | 5 | 10 |
| Chaff | 1 | 24 |
Next, each player must check if they have accomplished a Special Yaku. If a Special Yaku is formed, the player is paid shares for that Special Yaku, and the next round begins.
¶ Special Yaku
For the purposes of these teyaku, all Willow cards are considered Chaff, as opposed to their usual value. In particular, the Willow Ribbon is not considered a Ribbon.
| Value | Name of Yaku | Composition |
|---|---|---|
| Get 4 shares from each player (Total 8) | Fourteen Chaff [素十四 - すじゅうろく, sujuushi] |
As the name implies, you must have captured 14 Chaff cards during the round. |
| Get 2 shares from each player (Total 4) | Dandruff フケ役 [ふけやく, fukeyaku] |
Your card points should total 15 or less. |
If a Special Yaku is not formed, then players proceed with card point scoring.
¶ Card Point Scoring (Teyaku Settlement)
The card points each player has counted will be their initial score.
Next, if a player has a Teyaku, then he/she receives points equal to the Teyaku value from each of the other two players.
In short, a player’s score is calculated as follows:
Player's Score = Player's Total Card Points + (Total Value of Player's Teyaku x (Number of Players - 1)) - Total Value of All Opponents' Teyaku
The sum of all players’ card points should always be 264 points.
Once the Teyaku points have been settled, the player with the most points get 1 share each from the other two players (receive a total of 2 shares). The next round then begins.
The player who received the highest amount of shares in a round becomes the dealer for the next round.
¶ Bibliography
- Takeshi Ichinose, “Atarashii Hanafuda Nyuumon”