Blackjack vs. Contract Bridge
Comparing 2 standards across 23 specifications. 23 key differences identified.
Blackjack (21) is a casino banking game where players compete against the dealer to achieve a hand value closer to 21 without exceeding it (busting). Standard rules payout natural Blackjacks at 3:2, require dealers to stand on hard 17 (and often soft 17), allow doubling down on initial two-card totals, and offer 2:1 insurance against a dealer Ace.
Contract Bridge is a trick-taking card game for four players in two fixed partnerships, governed internationally by the World Bridge Federation (WBF). Play consists of an auction bidding phase to determine the contract (trump suit and number of tricks required above 6) followed by card play, scored using vulnerability and penalty multipliers.
Specification Comparison Table
23 Parameters| Parameter / Spec | ||
|---|---|---|
|
Standard Shoe Size
|
6 to 8 decks (52 cards each) | — |
|
Natural Blackjack Payout
|
3:2 (Standard) vs 6:5 (Unfavorable) | — |
|
Card Values (2–10)
|
Face Value (2–10) | — |
|
Face Cards (J, Q, K)
|
10 points each | — |
|
Ace Value
|
1 or 11 (Soft Hand) | — |
|
Dealer Standing Rule
|
Stands on 17 (Soft 17 varies by table) | — |
|
Insurance Payout
|
2:1 against dealer Blackjack | — |
|
Double Down Option
|
Permitted on 2 cards (1 card dealt) | — |
|
Splitting Pairs
|
Permitted up to 3–4 hands | — |
|
Split Aces Restriction
|
1 card dealt per Ace (no re-split) | — |
|
Base House Edge
|
0.4% to 0.6% with Basic Strategy | — |
|
Governing Body
|
— | World Bridge Federation (WBF) |
|
Total Players
|
— | 4 in 2 partnerships (North-South, East-West) |
|
Deck Size
|
— | 52 cards (13 dealt per player) |
|
Base Book Tricks
|
— | 6 tricks (contract level adds to 6) |
|
Total Tricks Available
|
— | 13 tricks |
|
Suit Hierarchy (Low to High)
|
— | Clubs (♣), Diamonds (♦), Hearts (♥), Spades (♠), No Trump (NT) |
|
Major Suits
|
— | Hearts (♥), Spades (♠) 30 pts per trick |
|
Minor Suits
|
— | Clubs (♣), Diamonds (♦) 20 pts per trick |
|
No Trump 1st Trick Value
|
— | 40 points (30 pts subsequent) |
|
Game Threshold
|
— | 100 trick points in one deal |
|
Small Slam Level
|
— | 12 tricks (Level 6 Contract) |
|
Grand Slam Level
|
— | 13 tricks (Level 7 Contract) |