With 24 blockers in deck, force opponent to attack with their Porcupamon or Sistermons at the beginning of their main phase with Lapace's Demon or Sephirothmon to gain memory during your opponent's turn with Mimi & Megumi and Keenan. Block with your Black Chessmon and replace on deletion to trigger effects.
Digivolve Mamemon or hard play it with Jumbogamemon's effect to play tamers for free.
Checkmate OTK with Queenchessmon by continuously unsuspending her with alternating chess piece attacks.