This is Code SNK vs Capcom SVC Chaos
SNK vs. Capcom: SVC Chaos uses a different type of Power Gauge known as the Groove Power Gauge System, which has three levels. The Groove gauge fills as the player lands attacks against the opponents or guard attacks. When the gauge fills to Lv. 1 or Lv. 2, the player can perform Super Special Moves, a Guard Cancel Attack or a Guard Cancel Front Step maneuver.