Intermediate How To Attack Capped Ranges After Defending the Big Blind Owen Gaines Owen Gaines is a professional poker player and author who has played an estimated ten million hands and written four poker strategy books. June 12, 2026 Use range shifts, blockers and disciplined sizing to pressure opponents whose strongest hands are increasingly unlikely A capped range is a group of hands that rarely contains the strongest possible holdings. After defending the big blind, a player often reaches the flop with a wide range while the preflop raiser retains more premium pairs and strong Broadway hands. That range advantage does not remain fixed, however. Certain turn and river cards weaken the raiser’s credible value range and create profitable attacking opportunities for the defender. Start by identifying boards where the initial raiser checks back. On coordinated flops, that check frequently removes some strong hands that would normally bet for value or protection. The big blind can respond aggressively on later cards that improve its range, including low cards completing straights, paired cards and suits that complete plausible flushes. Those runouts connect naturally with many hands used to defend preflop. Bet sizing should reflect the range relationship. Large turn or river bets work best when the defender can represent several strong value hands while the opponent holds many medium-strength bluff-catchers. Smaller bets are better when targeting ace-high, weak pairs or hands that retain reasonable showdown value. A polarized range should generally use larger sizing because it contains strong value hands and bluffs rather than marginal holdings. Bluffs need relevant blockers. Holding a card that removes likely straights, flushes or strong two-pair combinations makes an attack more credible. Hands with little showdown value are usually better bluff candidates than pairs capable of winning at checkdown. Do not assume every check signals weakness. Some opponents protect their checking ranges with strong hands. Track position, board texture and previous actions before applying pressure. The best attacks come from runouts that favor the big blind’s actual range, not from aggression alone.