A leak in poker is a consistent pattern of poor decisions or suboptimal play that costs money over time. Leaks can be technical (making mathematically incorrect plays) or exploitative (failing to adjust to specific opponents). A leak might involve playing too many hands from early position, calling too often on the river, or folding too much when opponents bet. Identifying and plugging leaks is crucial to poker improvement because a small leak repeated thousands of times becomes significant money lost.
Every poker player has leaks, including professionals. The difference between winning and losing players is often the size and number of leaks, not the absence of all leaks. A professional player might have a small leak in a specific situation, costing them a small percentage of their potential winnings. A recreational player might have several major leaks, each costing significant money. The path to improvement involves identifying leaks and systematically eliminating them.
Leaks are often invisible to the player who has them. A player might not realize they are folding too much because they focus on hands that go to showdown. A player might not realize they are calling too much because they don’t analyze losing hands. Identifying leaks requires honest assessment and often help from more skilled players or coaching resources.
How Does Leak Work?
A leak operates through repeated suboptimal decisions. A player who makes a small error in 10 percent of situations loses a small amount in each of those situations. Over thousands of hands, the accumulated loss becomes substantial. For example, if a player unnecessarily calls 1 dollar too much on the river in 5 percent of their hands, playing 1000 hands per week results in 50 dollars of leaked money per week, or 2600 dollars per year.
Leaks multiply when combined. A player might have a leak in fold percentage (folding too much), a leak in position play (playing too many hands from early position), and a leak in river calling (calling too much on the river). Each leak costs money independently, and the combined leaks reduce winnings significantly.
Identifying a leak requires analysis. A player might track their decision outcomes and notice a pattern. They might notice they fold too much on the turn when opponents three-bet. They might notice they win too few river pots despite often reaching the river. These patterns suggest leaks. Once a leak is identified, fixing it involves deliberate practice and awareness.
Some leaks are easy to fix and yield quick results. A leak in late position hand selection (playing too few hands) can be fixed by consciously widening a range. Other leaks are harder to fix because they involve deep strategic understanding. A leak in river calling accuracy might require hours of study to develop the judgment needed to call correctly.
Key Takeaway
Leaks are consistent patterns of suboptimal play that cost money. Identifying and fixing leaks is the fastest path to poker improvement.