From D2 to E3, Alberto C.'s pawn swallows Spider's pawn.

Spider moves the pawn from C3 to B2 and topples Alberto C.'s pawn.

A clean strike: Alberto C.'s bishop topples the pawn on B2.

With dungeon cunning, Spider brings the king to D7. From B2 to E5, Alberto C.'s bishop swallows Spider's pawn.

Spider's knight advances from F6 to G4. Alberto C. advances the bishop from E5 to F4, while spider sets the pawn on G5, watching every square.

From F4 to G5, Alberto C.'s bishop swallows Spider's pawn.

Spider moves the knight from E4 to G5 and topples Alberto C.'s bishop.

Alberto C.'s knight takes F3, leaving G1 behind. Spider answers by moving the knight from G5 to H3, and right after that alberto C. slides the knight across the board, from F3 to D4.

Spider moves the knight from G4 to E3 and topples Alberto C.'s pawn.

With a steady hand, Alberto C. brings the king to D2, while spider's knight advances from E3 to D5. Alberto C. advances the knight from D4 to C2, and spider sets the pawn on E6, watching every square.

Without hurry or fear, Alberto C. places the knight on E3. From the dark, Spider pushes the pawn to C5, and right after that alberto C.'s king takes D3, leaving D2 behind.

Spider answers by moving the knight from D5 to E7; then alberto C. slides the knight across the board, from E3 to C4. Spider gives check with the knight on F2.

With a steady hand, Alberto C. brings the king to E3. Spider's knight reaches G4 and threatens Alberto C.'s king.

Alberto C. advances the king from E3 to F4, while spider sets the knight on H6, watching every square. Without hurry or fear, Alberto C. places the king on G5.

Spider gives check with the knight on F7.

Alberto C.'s king takes F6, leaving G5 behind. Spider answers by moving the knight from F7 to D6. Alberto C. gives check with the knight on B6.

With dungeon cunning, Spider brings the king to E8. A clean strike: Alberto C.'s knight topples the pawn on A4.

Spider's knight advances from E7 to F5. From A4 to C5, Alberto C.'s knight swallows Spider's pawn.

Spider sets the knight on D4, watching every square. A clean strike: Alberto C.'s knight topples the pawn on E6.

From the dark, Spider pushes the knight to B5. From E6 to D4, Alberto C.'s knight swallows Spider's knight.

Spider answers by moving the knight from B5 to D6; then alberto C. slides the king across the board, from F6 to E5. With dungeon cunning, Spider brings the knight to F5.

From D4 to F5, Alberto C.'s knight swallows Spider's knight.

Spider's pawn advances from A6 to A5. Alberto C. advances the knight from F5 to D4, while spider sets the king on F7, watching every square.

Without hurry or fear, Alberto C. places the knight on B3. From the dark, Spider pushes the pawn to A4; then alberto C.'s knight takes A1, leaving B3 behind.

Spider answers by moving the king from F7 to E8, and right after that alberto C. slides the pawn across the board, from E2 to E3. With dungeon cunning, Spider brings the king to E7.

With a steady hand, Alberto C. brings the pawn to E4, while spider's king advances from E7 to D7. Alberto C. advances the king from E5 to D5, and spider sets the king on E7, watching every square.

Without hurry or fear, Alberto C. places the pawn on E5. From the dark, Spider pushes the king to D7. Check: Alberto C. tightens the net by bringing the pawn to E6.

Spider answers by moving the king from D7 to E7; then alberto C. slides the king across the board, from D5 to E5. With dungeon cunning, Spider brings the king to F8.

With a steady hand, Alberto C. brings the king to D6, and spider's king advances from F8 to E8. Alberto C. advances the pawn from E6 to E7, while spider sets the pawn on A3, watching every square.

Without hurry or fear, Alberto C. places the king on E6. From the dark, Spider pushes the pawn to A2; then alberto C.'s king takes D6, leaving E6 behind.

Spider answers by moving the king from E8 to F7, and right after that alberto C. slides the king across the board, from D6 to D7. With dungeon cunning, Spider brings the king to G8.

Promotion: on E8, Alberto C. turns a pawn into a queen.

Spider's king advances from G8 to G7. Alberto C. advances the king from D7 to E6, and spider sets the king on H6, watching every square.

Without hurry or fear, Alberto C. places the queen on F7. From the dark, Spider pushes the king to G5. Alberto C. gives check with the queen on F5.

Spider answers by moving the king from G5 to H4; then alberto C. slides the king across the board, from E6 to E5. With dungeon cunning, Spider brings the king to G3.

With a steady hand, Alberto C. brings the king to E4, and spider's king advances from G3 to G2. Alberto C. gives check with the queen on F3.

Spider sets the king on H2, watching every square, and right after that without hurry or fear, Alberto C. places the king on E3. From the dark, Spider pushes the king to G1; then alberto C.'s king takes E2, leaving E3 behind.

Spider answers by moving the king from G1 to H2, and right after that alberto C. slides the knight across the board, from A1 to C2. With dungeon cunning, Spider brings the king to G1.

From F2, Alberto C.'s queen forces Spider to defend.

Spider's king advances from G1 to H1. Check: Alberto C. tightens the net by bringing the queen to F3.

Spider sets the king on H2, watching every square; then without hurry or fear, Alberto C. places the king on F2. Spider's pawn crowns on A1 and a hostile queen is born.

Mate. Alberto C.'s queen on G2 leaves Spider with no escape.