Spades

Spades is a multiplayer parlor game, and is one of three card games available at the parlor games table. It can also be played at a or a. It is free to play two days a week.

Background
This team trick-taking game evolved directly from Bid Whist and Contract Bridge. The major difference between spades and its ancestors is the set trump suit of spades (hence the name). Spades was developed in Ohio, United States, in the 1930s. It gained in popularity during World War II due to it being a game that soldiers could play quickly during breaks between the fighting. It is still popular to this day in colleges and universities as well as break-rooms in factories all over the U.S. With the advent of online play, spades has become a popular card game around the world.

Setting up the game
As with all parlor games, entry can be restricted to players within a certain standing range, and/or restricted to pirates in the same scene only. Watching may be enabled or disabled, and an optional wager on the outcome of the game can be set.

The table creator can control 1 additional variable at the table:

Play to
The game continues until at least one team's score has reached the score specified here. Additionally, the game ends when a team reaches the negative of this value (in which case that team loses immediately). Note: 500 point games are the standard for any professional or competitive spades games and tournaments. However, many players in Y!PP choose to play to 300 points more frequently since games with higher score limits can take longer.
 * 200
 * 250
 * 300
 * 500
 * 1000

Gameplay
Spades is played by four people, who are split into two teams. It uses the standard pack of 52 cards, and standard trick-taking rules apply. The spade suit is always the trump suit. The game is divided into a series of rounds, with 13 tricks to be won each round. Players bid on how many tricks they expect to take at the start of each round, and earn or lose points according to how this bid compares to the outcome of the round. The objective is for one team to reach (or exceed) the play to score that was specified by the table creator. The game will end once a team reaches this score, and will also end if either team reaches the negative of this score. When the game ends in these cases, the team with the most points wins. The game will also end if a player leaves the table, in which case the other team will win by default.

Players in a game of spades are commonly referred to using the cardinal directions; the rightmost player is known as "East", and proceeding clock-wise the others are known as "South", "West", and "North". However the table view is rotated for each player so that they appear to be playing from South's position.

Bidding and contracts
Each player is dealt 13 cards at the beginning of each round. In the very first round, the player occupying the leftmost seat of the table bids first. In subsequent rounds, the first bid of that round passes clockwise around the table. A player's bid reflects the number of tricks they expect to win. A player may bid anywhere from 0 (nil) to 13, but the second bidder in a team cannot make a bid such that the sum of the team's members' bids would exceed 13. This total is known as a team's contract.

If two teams have a score difference of 100 or greater, then the team with the lower score has the opportunity to bid blind nil which is worth twice as many points as a standard nil. Note that it is only possible for one team to bid blind nil at a time, and only one player from that team may blind nil. When bidding, initially both teams' cards are hidden. The first team member to bid has the options of revealing the cards or bidding blind nil. If they opt to blind nil, both team members' cards are revealed, and the second team member loses the option to blind nil. If the first player opts to show cards, they may make an ordinary bid. In this case the second player may choose between bidding blind nil or showing their cards (and making an ordinary bid).

If a team member has bid blind nil, they must exchange a further two cards with their partner before the round commences. Opponents cannot see which cards are being swapped.

Tricks and rounds
A trick is a set of four cards, one of which is placed on the table by each player. A round is a set of 13 tricks, thus in each round all of the 52 cards are played. Play revolves in a clock-wise fashion after all bids have been made, beginning with the player who had bid first that round. This player puts down the first card of the trick, or leads *. Tricks work according to standard trick taking rules - a player must put down a card of the same suit if they can (or follow suit) but are otherwise free to play any card. The highest card of the led suit will win the trick, unless a spade (trump) card is present in which case only a higher spade card will win the trick. The winner of the previous trick now leads the next one. This repeats until all 13 tricks have been taken, after which the round is over and team scores are totalled up.

* Note that spade cards must have been played previously (broken) before they can be led, or the player must have nothing but spade cards in his or her hand.

Each player has a limited time to choose a card and play it. If they do not play it before the hourglass runs out then a random card is automatically played for them. Players who continue to take a long time to choose cards have their time limit reduced in order to speed up play.

Scoring points
After a round has been completed, points are added and deducted from the teams' overall scores. Points depend on whether contracts have been made, whether nils and/or blind nils have been made or failed, and the number of overtricks which the team has taken.

Contract scoring
Each trick a team member wins counts towards their team contract. The exception is if a player has bid nil (or blind nil) and wins tricks, in which case the nil will have been failed but the trick will not contribute to the contract. A team that reaches its contract receives 10 times its contract in points - So a successful team bid of 7 will garner that team 70 points.

If a team fails to reach its contract, known as having been set, they lose the number of points they would have earned for a successful contract.

Nil and blind nil scoring
A player that successfully makes a nil bid will score 50 points for the team. A player that fails to make a nil bid loses 50 points for the team. Similarly, a successful blind nil is worth 100 points, and a failed blind nil loses 100 points for the team.

Note that in many traditional variants of spades, nils and blind nils are worth 100 and 200 points respectively. In Puzzle Pirates, however, both these amounts are halved.

Overtricks
If a team takes more tricks than they bid, they receive overtricks (also known as sandbags, or just bags). The number of overtricks awarded to that team is the difference between the number of tricks taken and the contract. For instance, if 10 tricks were taken and the contract were 7, then 3 overtricks would have been awarded. Each overtrick adds one point to the team's score. A team loses 100 points for every multiple of 10 overtricks they take above 0, known as sandbagging. This becomes a net loss of (10*1)-100 = 90 points. Since overtricks are added to the score, they can accumulate across multiple rounds.

Tricks taken by nil and blind nil bidders do not count as overtricks in this spades variant.

Scoring example
The scenario is as follows:
 * Team 1 has 153 points. West has failed a nil. East has successfully made his team contract (also his bid) of 3 tricks, and took 2 overtricks.
 * Team 2 has 28 points. North has successfully made a blind nil. South successfully made his team contract (also his bid) of 5 tricks, and took 3 overtricks.

The points add up as follows:
 * Team 1 loses 50 points for the failed nil, and gains 30 points for successfully meeting the contract. 2 points are added for the 2 overtricks. This gives a total of 153-50+30+2 which gives a score of 135 at the end of that round.
 * Team 2 gains 100 points for the successful blind nil, and gains 50 points for successfully meeting the contract. 3 points are also added for the 3 overtricks that were taken. Since the number of overtricks is 8+3 which is greater than 10, Team 2 must also lose 100 points for sandbagging. This gives a total of 28+100+50+3-100 which gives a score of 81 at the end of that round.

Winning
The game ends as soon as one or more teams reach the score limit specified by the table creator, or when one or more teams reach the negative of the score limit. The team with the highest score wins the game. If a wager has been placed on the outcome of the game, the two winning players' Pieces of Eight will be refunded and the losing team's wager will be split equally between the winning players. Players' standings may increase or decrease, and their experience ranking may also increase.

Rematches
Players may vote for a rematch at the end of the game, provided they can meet the required wager. Note that players do not have to meet standing requirements for rematches if their standings have changed. A vote of 100% (all four players) is required to begin a rematch.

Leaving the game
Players are booted from the game if they disconnect, log off, or are forced out of the game by another puzzle starting. Additionally, players may leave the table at any time by clicking the "dismiss" button. If a player leaves, that player's team forfeits and loses the game automatically. In spades, unlike hearts, there are no NPPs which can take the place of absent players on the table. A player who leaves the table for any reason forfeits all PoE on the table, and his or her standing may decrease as a result of leaving.

Historical notes

 * Spades was introduced with
 * Private tells between partners were disallowed between partners with . This release also brought the ability to watch games, and introduced private tables.
 * Watchers were visible in a side-panel with.
 * The enabled players to configure tables with rating limits.
 * Wagers were introduced at the same time as the global purse with.
 * After experienced spades players could hold cards in portraits.
 * With, spades became accessible via the furniture item.

External/other links

 * Commonly discussed ideas from Game Design
 * Official game documents
 * Spades
 * The Rules of Spades
 * Whitefire's Spades-palooza thread