Well instead of chess strategy to beat the guy, why not take a page out of our friend from r/anarchychess and play the good old... Yugioh DnD Battleship Poker Chess
PAWN TO D5 THEN I TRIBUTE BISHOP AND QUEEN TO SPECIAL SUMMON RED EYES BLACK DRAGON! THEN I TARGET A3 AND CAST MAGIC MISSILE TO YOUR FACE WITH THE HELP OF 4 OF A KIND COMBO