A clean strike: Alberto C.'s pawn topples the bishop on C3.

Slug's knight advances from F6 to D7. From A2 to B3, Alberto C.'s pawn swallows Slug's pawn.

Slug sets the king on D8, watching every square; then without hurry or fear, Alberto C. places the bishop on F4. From the dark, Slug pushes the king to C7, and right after that alberto C.'s pawn takes E3, leaving E2 behind.

Slug answers by moving the pawn from F7 to F6; then alberto C. slides the pawn across the board, from B3 to B4. With dungeon cunning, Slug brings the king to C6.

From B4 to C5, Alberto C.'s pawn swallows Slug's pawn.

Slug moves the king from C6 to C5 and topples Alberto C.'s pawn.

Alberto C. advances the pawn from B2 to B3, while slug sets the pawn on D5, watching every square. Check: Alberto C. tightens the net by bringing the pawn to B4.

From the dark, Slug pushes the king to C6; then alberto C.'s bishop takes H6, leaving F4 behind. Slug answers by moving the king from C6 to D6, and right after that alberto C. slides the bishop across the board, from H6 to G7.

With dungeon cunning, Slug brings the king to C6. A clean strike: Alberto C.'s bishop topples the pawn on F6.

Slug's king advances from C6 to C7. Alberto C. advances the bishop from F6 to D4, and slug sets the king on C6, watching every square.

Without hurry or fear, Alberto C. places the pawn on G3. From the dark, Slug pushes the knight to C5, and right after that alberto C.'s king takes D2, leaving E1 behind.

Slug answers by moving the knight from C5 to D7; then alberto C. slides the king across the board, from D2 to C1. With dungeon cunning, Slug brings the king to D6.

With a steady hand, Alberto C. brings the king to B2, and slug's knight advances from D7 to F6. Alberto C. advances the king from B2 to B3, while slug sets the king on D7, watching every square.

From D4 to B6, Alberto C.'s bishop swallows Slug's pawn.

From the dark, Slug pushes the king to E7. From C5, Alberto C.'s bishop forces Slug to defend.

Slug answers by moving the king from E7 to D7, and right after that alberto C. slides the pawn across the board, from C3 to C4. Slug captures the pawn on C4 and puts Alberto C. in check.

With a steady hand, Alberto C. brings the king to C3. Check from Slug: the pawn plants itself on D4.

From C3 to D4, Alberto C.'s king swallows Slug's pawn.

Slug sets the pawn on C3, watching every square. A clean strike: Alberto C.'s king topples the pawn on C3.

From the dark, Slug pushes the knight to H5, and right after that alberto C.'s pawn takes B5, leaving B4 behind. Slug moves the knight from H5 to G3 and topples Alberto C.'s pawn.

Alberto C. slides the pawn across the board, from B5 to B6, while with dungeon cunning, Slug brings the knight to F5. With a steady hand, Alberto C. brings the king to D2, and slug's pawn advances from G4 to G3.

Alberto C. advances the pawn from B6 to B7, while slug sets the knight on D6, watching every square. Promotion: on B8, Alberto C. turns a pawn into a queen.

Slug gives check with the knight on C4.

Alberto C.'s king takes C3, leaving D2 behind. Slug answers by moving the king from D7 to E6. From C3 to C4, Alberto C.'s king swallows Slug's knight.

With dungeon cunning, Slug brings the king to F6. From F8, Alberto C.'s queen forces Slug to defend.

Slug's king advances from F6 to G6. Alberto C. advances the queen from F8 to F4, and slug sets the king on H5, watching every square.

A clean strike: Alberto C.'s queen topples the pawn on E4.

From the dark, Slug pushes the king to G5. From F4, Alberto C.'s queen forces Slug to defend.

Slug answers by moving the king from G5 to H5. A clean strike: Alberto C.'s queen topples the pawn on G3.

With dungeon cunning, Slug brings the king to H6. With a steady hand, Alberto C. brings the pawn to E4, and slug's king advances from H6 to H7.

Alberto C. advances the pawn from E4 to E5, while slug sets the king on H8, watching every square. Without hurry or fear, Alberto C. places the pawn on E6.

From the dark, Slug pushes the king to H7; then alberto C.'s pawn takes E7, leaving E6 behind. Slug answers by moving the king from H7 to H8, and right after that alberto C. slides the queen across the board, from G3 to D6.

With dungeon cunning, Slug brings the king to G8. Promotion: on E8, Alberto C. turns a pawn into a queen.

Slug's king advances from G8 to G7. Alberto C. gives check with the queen on E7.

Slug sets the king on G8, watching every square. Mate. Alberto C.'s queen on D8 leaves Slug with no escape.