Heads-Up Protecting Your Range in Heads-up Play with Check-Backs in Position David Parker URL has been copied successfully! A disciplined check-back strategy keeps your range balanced and prevents opponents from exploiting predictable aggression Heads-up play strips poker down to range interaction; with only two players, every action carries more weight and imbalances get punished quickly. This presents more of a challenge, but there are several ways to counter the difficulties. Continuation betting too frequently in position creates a capped checking range, which observant opponents attack through delayed aggression. Checking back is not passive; it is a structural decision that protects your entire range, including medium-strength hands and some strong holdings. A protected check-back range starts with board texture. On dry flops like K-7-2 rainbow, checking back part of your top-pair range prevents opponents from auto-probing turns. Without that protection, your checks signal weakness. Mixing in strong hands forces opponents to proceed cautiously, reducing their ability to bluff profitably. This also allows your marginal hands to realize equity without facing unnecessary pressure. Turn play becomes more stable when your flop checks include strength. Opponents hesitate to lead aggressively, knowing they can run into slow-played value. That hesitation translates into more controlled pot sizes and fewer forced folds with hands that still carry showdown value. It also opens delayed c-bet opportunities on favorable turns, where your range appears wider and harder to read. The key is frequency control. Over-checking caps your betting range instead, while under-checking exposes your checks. Balanced construction means selecting specific combos across value tiers. This includes slow-playing some top pairs, checking back weak draws, and occasionally trapping with strong hands. The result is a range that cannot be easily categorized, which is the core objective in heads-up environments.