The Half Guard Passing System
The half guard passing system in no-gi — passing the trapped-leg position from top half guard, the whizzer-vs-underhook exchange, the kimura-threat…
Adapted from InGrappling, The Half Guard Passing System. System Games did not invent this curriculum.
Passing SystemFoundationsCONCEPT-PAS-HALF-GUARD-SYSTEMPassing the trapped leg — whizzer, kimura threat, and the smash-pass branch
Half guard passing addresses the structural condition where the bottom player has trapped one of the top player’s legs between their thighs but has not yet retained the second leg. The trapped leg is the bottom player’s connection point and the passer’s obstacle. The system’s task is to free the trapped leg without conceding the underhook fight that would convert top half into a back-take or sweep for the bottom player.
The whizzer — the passer’s overhook on the bottom player’s underhook-side arm — is the decisive grip. With the whizzer landed, the passer denies the underhook, threatens the kimura, and creates the angle for the smash pass, back-step, or leg-drag. Without the whizzer, the bottom player’s underhook converts the position to attacking half guard, and the passer is now defending sweeps and back-takes rather than passing.
clear the feetGuard passing requires neutralising the bottom player’s hooks, frames, and grips before crossing the hip line.
Half guard passing’s first task is the underhook fight. The bottom player’s underhook is the frame; the passer’s whizzer is the neutraliser. With the whizzer secured, the bottom player loses the angle to attack and becomes a passing-side obstacle rather than a threat.
hold the knee linePressure passes use weight transfer through the bottom player’s hip to compromise their base.
The smash pass — the highest-percentage half guard pass — works by transferring the passer’s weight onto the bottom player’s far hip, flattening them onto their back so the trapped leg can be peeled out. The passer’s hip-to-hip pressure is what makes the leg extraction possible without losing position.
connection eliminates spaceBody-to-body connection eliminates structural space and transfers weight.
Top half guard’s stability depends on chest-to-chest connection with the bottom player. A chest-up posture on top of half guard concedes the underhook and the dog fight; a chest-down posture preserves the whizzer and the smash-pass option. The connection is the anchor that everything else hangs from.
rotation around a fixed pointConnection is established and broken at the grip layer first.
The whizzer-vs-underhook exchange is the system’s grip-layer foundation. Before any leg movement happens, the upper-body grip is contested. Whoever wins the grip wins the next phase — the passer either passes (whizzer) or is reversed (underhook).
PAS-SMASHSmash PassThe flagship half guard pass — chest-down hip pressure, whizzer plus cross face.
PAS-OUOver-Under PassUnderhook on one side, overhook on the other — half guard’s bridge to side control.