GlossaryAt the table

Connected board

A flop whose three ranks fit inside five in a row, so some two-card hands already make a straight.

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What it means
Three different ranks close enough together that a straight is possible with the right two hole cards, counting the ace as low for A-2-3-4-5.
How it is calculated
The report calls a flop connected when its three ranks fit inside one window of five consecutive ranks.
Worked example
Q♥J♥T♠ is connected: AK and K9 have straights, and many hands have straight draws. A♠8♦2♣ is not.
Why it matters
Connected boards hit the caller's middling hands, so the preflop raiser's advantage shrinks and bets get more selective.

See also: Board texture, Wet board, Dry board