our hero claims the enemy queen by landing on A4.

With dungeon cunning, Lesser Lich brings the king to F7. our hero captures the enemy bishop: the rook leaps from H1 to H7.

Lesser Lich's king advances from F7 to G8. our hero advances the rook from A4 to H4, and right after that lesser Lich sets the rook on E8, watching every square.

From D5, our hero's queen forces Lesser Lich to defend.

From the dark, Lesser Lich pushes the king to F8. Check: our hero tightens the net by bringing the rook to H8.

Lesser Lich answers by moving the king from F8 to E7. our hero gives check with the queen on E4.

With dungeon cunning, Lesser Lich brings the king to D7. our hero captures the rook on E8 and leaves Lesser Lich in check.

Lesser Lich's king advances from D7 to D6. Check: our hero tightens the net by bringing the rook to D4.

Lesser Lich sets the king on C5, watching every square. our hero gives check with the queen on E5.

From the dark, Lesser Lich pushes the king to C6. From C4, our hero's rook forces Lesser Lich to defend.

Lesser Lich answers by moving the king from C6 to B6. Check: our hero tightens the net by bringing the queen to C5.

With dungeon cunning, Lesser Lich brings the king to A6. With a steady hand, our hero brings the rook to A4; then lesser Lich's pawn advances from C7 to C6.

Mate. our hero's queen on A5 leaves Lesser Lich with no escape.