KLAVERJASSEN: THE CLASSIC DUTCH TRICK-TAKING CARD GAME

GAME OVERVIEW

Klaverjassen is the quintessential Dutch trick-taking card game, a masterpiece of strategy, memory, and partnership dynamics that has been played in cafes, living rooms, and student associations across the Netherlands for centuries. Far more than just a simple card game, Klaverjassen is deeply ingrained in Dutch culture, heavily associated with the concept of gezelligheid—a uniquely Dutch word encompassing coziness, social warmth, and good times spent with friends, often accompanied by a glass of beer and a bowl of bitterballen.

At its core, Klaverjassen is a four-player, partnership-based trick-taking game played with a stripped-down, 32-card "Piquet" deck. Teams sit across from one another (North and South versus East and West) and work together to score points by winning tricks containing high-value cards, and by declaring bonus point combinations known as Roem (Melds) during the play.

What makes Klaverjassen uniquely challenging and infinitely replayable is its complex and shifting card hierarchy. The trump suit radically alters the value and ranking of the cards, elevating the Jack and the Nine to the highest possible positions, while the Ace and Ten remain powerful in both trump and non-trump suits. The game demands rigorous card tracking, subtle non-verbal communication with your partner, and sharp risk assessment.

The primary objective is for the team that chooses the trump suit (the declarers) to score more than half of the total points available in a round. If they succeed, they bank their points and inch closer to overall victory. If they fail, they experience the dreaded nat gaan (going wet), losing all their points to the opposing team!

With multiple regional variants—most notably the Amsterdam and Rotterdam rulesets—Klaverjassen offers a deep, endlessly rewarding tactical experience for both casual players and serious competitive minds.

KEY FEATURES & GAME MECHANICS

1. The 32-Card Deck

Klaverjassen uses a shortened French-suited deck, removing all cards numbered 2 through 6. The deck consists solely of the 7, 8, 9, 10, Jack, Queen, King, and Ace across all four suits (Hearts, Diamonds, Spades, Clubs).

2. Fixed Partnerships

The game is strictly played by four players in fixed partnerships. Players sitting across the table from each other are teammates. You are not allowed to show your partner your cards or openly communicate your hand strength. All communication must be done legally through the cards you choose to play.

3. The 162-Point Base System

A standard round contains exactly 162 base points. This consists of 152 points distributed among the specific cards in the deck, plus a flat 10-point bonus awarded to the team that takes the final trick of the round. Because the total is 162, the declaring team usually needs to score at least 82 points to "make" their contract (though bonuses can shift this math).

CARD HIERARCHY & POINT VALUES

The defining feature of Klaverjassen is that the rank and point value of the cards change drastically depending on whether a suit is the chosen Trump Suit or a Non-Trump Suit.

Note: In the Trump suit, the Jack is affectionately called the "Jas" (hence the game's name), and the Nine is called the "Nel".

The Trump Suit Hierarchy

When a suit is chosen as Trump, its cards become the most powerful in the game, overriding all other suits. They rank and score as follows:

Rank (Highest to Lowest)	Card Name	Point Value
1st (Highest)	Jack (The "Jas")	20 Points
2nd	Nine (The "Nel")	14 Points
3rd	Ace	11 Points
4th	Ten	10 Points
5th	King	4 Points
6th	Queen	3 Points
7th	Eight	0 Points
8th (Lowest)	Seven	0 Points

The Non-Trump Suit Hierarchy

For the other three suits that are not trump, the hierarchy follows a more traditional, albeit slightly altered, format. The Ten is higher than the King, Queen, and Jack!

Rank (Highest to Lowest)	Card Name	Point Value
1st (Highest)	Ace	11 Points
2nd	Ten	10 Points
3rd	King	4 Points
4th	Queen	3 Points
5th	Jack	2 Points
6th	Nine	0 Points
7th	Eight	0 Points
8th (Lowest)	Seven	0 Points

ROEM (MELDCRAFT & BONUS POINTS)

In addition to the 162 base points, players can score massive bonus points called Roem (Melds). Roem is awarded when specific card combinations are played within a single trick. Unlike other games where you declare melds from your hand, in Klaverjassen, Roem only counts if the cards fall in the trick being played on the table.

Standard Roem Combinations:

3 Cards in a Row (Same Suit): +20 Points
4 Cards in a Row (Same Suit): +50 Points
King and Queen of Trumps (Stuk): +20 Points
Four of a Kind (Aces, Tens, Kings, Queens): +100 Points
Four of a Kind (Jacks): +200 Points

Crucial Sequence Rule: For sequential Roem (3 or 4 in a row), the sequence follows the standard deck order (7, 8, 9, 10, J, Q, K, A), regardless of the card's point value rank in the game.

Claiming Roem: When a trick is completed, the player who won the trick must verbally announce the Roem before the trick is turned over. The points for the Roem are added to the trick-winner's team score.

HOW TO PLAY: OPERATOR'S MANUAL

Phase 1: The Deal

Choose a dealer randomly. The dealer shuffles the 32-card deck.
The player to the dealer's right cuts the deck.
Cards are dealt clockwise, usually in packets of 3-2-3 (three cards to each player, then two cards, then three cards) until everyone has exactly 8 cards.

Phase 2: Choosing the Trump Suit (Bidding)

Starting with the player to the left of the dealer (the "Elder Hand"), players must decide whether to play or pass.

A player looks at their hand and, if they believe they can score more than half the points (with their partner's help) in a specific suit, they choose that suit as Trump.
If the Elder Hand passes, the option moves to the next player.
The team that chooses the trump suit becomes the Playing Team. The other team becomes the Defending Team.
(Optional rule: In some modern casual games, a card is flipped from the deck to determine the potential trump, and players simply say "Play" or "Pass" on that specific suit).

Phase 3: Playing the Tricks

The Elder Hand leads the first trick by playing any card from their hand. The other three players must follow suit if they can, adhering to specific rules regarding overtrumping.

The Golden Rules of Following Suit:

You MUST follow the suit led. If a Heart is led, and you have Hearts, you must play a Heart.
If you cannot follow suit, you MUST trump. If you have no Hearts, you must play a Trump card.
You MUST overtrump if possible. If a trick has already been trumped by an opponent, and you also cannot follow suit, you must play a higher trump card than the one already played, if you have one.

The trick is won by the highest card of the suit led, UNLESS a trump card was played, in which case the highest trump card wins. The winner of the trick collects the four cards, notes any Roem, and leads the first card for the next trick.

AMSTERDAM VS. ROTTERDAM RULES

The most critical distinction in Klaverjassen lies in what you must do when your partner is currently winning the trick, and you cannot follow the led suit. This is where the game splits into two distinct, regional philosophies:

The Amsterdam Variant (The Tactical Approach)

Under Amsterdam rules, you are not forced to trump if you cannot follow suit AND your partner is currently winning the trick.

Example: The opponent leads a Diamond. Your partner plays the Ace of Diamonds. You have no Diamonds. Because your partner is winning, you do not have to waste a trump card. You may throw away a worthless card from another suit (a "smear" or "bijleg").
Exception: You still MUST overtrump an opponent if they have already trumped the trick.
Summary: Amsterdam is generally considered more strategic, allowing players to save their trumps and selectively signal their partners by throwing away specific suits.

The Rotterdam Variant (The Strict Approach)

Under Rotterdam rules, the mandate to trump is absolute.

If a suit is led, you cannot follow suit, and you have a trump in your hand, you MUST trump it, even if your partner has already played the highest card of the led suit and is guaranteed to win the trick!
Summary: Rotterdam rules force a more aggressive, fast-paced burn of trump cards, requiring players to be incredibly careful about leading off-suits if they know their partner is void in them, to avoid forcing their partner to waste a valuable trump.

SCORING, PIT, AND "NAT GAAN"

At the end of the 8 tricks, teams tally their points.

Count Base Points: Teams count the point values of the cards they captured in their tricks.
Add the Last Trick Bonus: The team that won the 8th and final trick adds +10 points to their score. (The total of base cards + last trick will always equal 162).
Add Roem: Add all claimed Roem points to the respective teams' totals.

The Win Condition (Going Wet / Nat Gaan)

To successfully fulfill their contract, the Playing Team (the team that chose the trump suit) must score more points than the Defending Team.

If the Playing Team scores more, both teams write down their respective scores.
If the Defending Team scores equal to or more than the Playing Team, the Playing Team goes "Nat" (Wet).
The Penalty for going Nat: The Playing Team scores zero points for the round. The Defending Team gets all 162 base points, plus all the Roem that was claimed by both teams during the round!

The Pit (A Clean Sweep)

If one team manages to win all 8 tricks in a single round, this is called a Pit (or March).

Scoring a Pit awards a massive +100 bonus points to the team that achieved it.

A standard game of Klaverjassen is usually played to a set total score, most commonly 1600 points (known as a "boom" or tree).

STRATEGY & PRO-TIPS: MASTERING THE DECK

To transition from a beginner to a true Klaverjassen master, you must learn to read the invisible information hidden in the cards.

1. Track the "Jas" and the "Nel"

The Jack (20 pts) and Nine (14 pts) of trumps are the absolute rulers of the game. You must memorize where they are. If you hold the Jack, try to capture the opponents' Nine with it. If you hold the Nine, you must wait until the Jack has been played before your Nine is safe to rule the board.

2. Signaling (Seinen)

Because you cannot speak to your partner, you must "speak" through the cards you throw away when you cannot follow suit (specifically in the Amsterdam variant). The most common system is Kleintje Boer (Little Jack).

When discarding a card on a trick your partner is winning, throwing away a low card (7, 8, 9) of a non-trump suit signals to your partner: "I have the Ace of this suit! Lead this suit next!"
Conversely, throwing away a 10, Jack, or Queen of a suit signals: "I am weak in this suit, do not lead it."

3. Drawing Trumps (Troef Trekken)

If your team called the trump suit and you hold strong trumps (like the Jack, Ace, and 10), lead trumps early. The goal is to strip the defending team of their trumps so that later in the round, your high non-trump Aces and Tens can win tricks without the fear of being trumped by a stray 7 of trumps.

4. Milking the Roem (Roem Melken)

If you have a guaranteed winning card (like the Jack of Trumps), and you know your partner has the Queen of Trumps, wait to play your Jack until your partner plays their Queen. If a King falls in the same trick, your team suddenly scores 20 points for a sequence (J-Q-K) that you engineered!

5. Managing the "Ten" Risk

In non-trump suits, the Ten is worth 10 points but is outranked by the Ace. It is highly vulnerable. Never lead a bare Ten unless you know the Ace has already been played. A common tactic is to lead a 7 or 8 of a suit, hoping to force out the opponent's Ace, leaving your Ten as the boss card for the next time that suit is led.

GLOSSARY OF DUTCH TERMS

Jas: The Jack of Trumps (highest card).
Nel: The Nine of Trumps (second highest card).
Roem: Bonus points for melds (sequences or four-of-a-kind) played within a single trick.
Stuk: A specific Roem consisting of the King and Queen of Trumps in the same trick (+20 points).
Nat Gaan (Going Wet): Failing to score more points than the opposing team after choosing the trump suit. Results in zero points for the declaring team.
Pit (or Doormars): Winning all 8 tricks in a round (+100 point bonus).
Bijleggen / Smeren: "Smearing" or discarding a high-point card (like a Ten or Ace) onto a trick your partner is guaranteed to win, boosting your team's score.

Header AD

Klaverjassen