Nº4 Daniele Gatti

Win

Daniele Gatti (Italy)

wKc4,Qh1,Be2,Rf4,h4,Pd3/bKa4,Qa7,Nc5,f6,Rc6,f2,Pa3,a5,a6,b7,e5,h2

1. Bd1+!
Logical Try 1. Qxc6+? b5+! 2. Kc3+ [2. Qxb5+? axb5+! 3. Kc3+ b4+ 4.Rxb4+ axb4+ 5. Rxb4+ Ka5 -+) Sfe4+ 3. Rxe4+ Sxe4+ 4. Rxe4+ Qd4+ 5.Rxd4+ exd4+ and the final counter-check is missing =

1. … Rc2+ 2. Bxc2+ Sb3+ 3. Qxc6+ b5+ 4. Kc3+ Se4+ 5. Rxe4+ Qd4+
Thematic Try 5. Qxe4+? b4+! 6. Qxb4+ axb4+ 7. Rxb4+ not mate =

6. Rxd4+ exd4+ 7. Rxd4# – Double-pin mate.

Task study: all moves and thematic variations are consecutive counter-checks.
Original source of the matrix: Bachmann Karlheinz, Schoneberg Achim, Reich
Hans-Peter (H#8, Die Schwalbe, 1995).