MESON Chess Problem Database

Problem Display
PID: 242615 (Kn1Bb3/nP3p2/p1k2P2/P2RP3/3P4/4N3/8/1B6 w - - 0 1)

Casa, Alex

L'Italia Scacchistica, 1996

Kn1Bb3/nP3p2/p1k2P2/P2RP3/3P4/4N3/8/1B6

#2

10 + 6

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bd7
      • 2.Rc5#
    • 1...Sc8
      • 2.bxc8Q#
      • 2.bxc8R#
  • Tries
    • 1.Kxa7?
      • 1...Bd7
        • 2.Rc5#
      • 1...Sd7!
    • 1.Kxb8?
      • 1...Bd7
        • 2.Rc5#
      • 1...Sc8
        • 2.bxc8Q#
        • 2.bxc8R#
      • 1...Sb5!
    • 1.Bd3?
      • threat
        • 2.Rd6#
      • 1...Sc8
        • 2.bxc8Q#
        • 2.bxc8R#
      • 1...Sb5!
  • Keys
    • 1.Be4!
      • 1...Sb5
        • 2.Rd6#
      • 1...Bd7
        • 2.Rc5#
      • 1...Sc8
        • 2.bxc8Q#
        • 2.bxc8R#
      • 1...Sd7
        • 2.Rc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(f);SBLOCK::R1(E)
    • S(c);OGATE::PXS(c)=Q
  • Tries
    • Try
      • K(I);P-FLIGHT,XS(c)
      • Vars
        • B(f);SBLOCK::R1(E)
      • Refutation
        • S(e);
    • Try
      • K(I);P-FLIGHT,XS(e)
      • Vars
        • B(f);SBLOCK::R1(E)
        • S(c);OGATE::PXS(c)=Q
      • Refutation
        • S(c);
    • Try
      • B(A);
      • Threat
        • R1(E)
      • Vars
        • S(c);OGATE::PXS(c)=Q
      • Refutation
        • S(c);
  • Actual
    • B(A);
    • Vars
      • S(c);SBLOCK::B(A)+R(E),DCHECK
      • B(f);SBLOCK::B(A)+R(E),DCHECK
      • S(c);OGATE::PXS(c)=Q
      • S(e);SBLOCK::B(A)+R(E),DCHECK
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