p.boxed
  | Black wins by lining up 4 pawns. Infinite pawns supply.

p.
  Black initially has only the king, but an infinite reserve of pawns can be
  dropped on the board instead of playing a move.
  If four pawns are aligned in any direction, it's a win.

figure.diagram-container
  .diagram
    | fen:4k3/2pp1p2/4p3/7Q/2BPP3/8/PPP2PPP/RNB1K1NR e7:
  figcaption Black threatens to win by @e7. White can play Qh8+ to prevent it.

p White wins by checkmating the enemy king.

p This variant was invented by Fynmorph (2021).