River C-Bet from SB

Overview

River C-Bet from SB is a specific scenario where the small blind player makes a continuation bet on the river. This term typically describes the betting behavior of the small blind (SB) after entering the pot preflop through a raise or call, and then betting on all three subsequent streets (flop, turn, river), usually as a third or fourth bet on the river.

Strategic Significance

Because the small blind is out of position preflop (acting first), its continuation bet range and frequency need to be carefully balanced. On the river, the small blind's bet often represents a strong hand or a well-selected bluff, as preflop action and positional disadvantage constrain its range. Typically, the small blind's river continuation bet range leans toward made hands (e.g., top pair or better), with a lower bluff frequency, and is usually chosen on specific board textures (e.g., when straight or flush draws miss).

Common Scenarios

• Preflop small blind raises, big blind calls. Flop: small blind bets, big blind calls. Turn: small blind bets, big blind calls. River: small blind bets again.
• Small blind calls preflop (e.g., against a button raise), then either donk-bets or calls on the flop, and continues betting on later streets.

Considerations

• The small blind's river range is usually polarized (polarized betting)—either a strong hand (value bet) or a weak hand (bluff). Medium-strength hands tend to check or call.
• In terms of frequency, due to positional disadvantage, the small blind's river continuation bet frequency is generally lower than when in position, and must account for the opponent's calling range.
• Solver analysis shows that the small blind's river continuation bet strategy is highly dependent on board structure, stack depth, and opponent tendencies.

Example

Assume a 6-max table, blinds 10/20, effective stacks 2000. Small blind raises to 60, big blind calls. Flop: K♠7♦2♣, small blind bets 80, big blind calls. Turn: 8♥, small blind bets 200, big blind calls. River: 3♠, small blind bets 500. This is a typical River C-Bet from SB.

Summary

River C-Bet from SB is a betting pattern in poker specific to a particular position and situation, reflecting the small blind player's intent to continue aggression while out of position. It requires careful use based on range, board texture, and opponent type.