MESON Chess Problem Database

Problem Display
PID: 143904 (n7/6b1/2B2P2/2QN4/2K1kNr1/1r6/8/2n5 w - - 0 1)

Stephens, Walter

Lancaster Guardian, 1926

n7/6b1/2B2P2/2QN4/2K1kNr1/1r6/8/2n5

#2

6 + 6

14868 Pirnie Collection 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Rxf4
      • 2.Sc3#
      • 2.Se3#
      • 2.Sb4#
      • 2.Sb6#
      • 2.Sc7#
      • 2.Se7#
  • Keys
    • 1.Sh5!
      • threat
        • 2.Sc3#
        • 2.Se3#
        • 2.Sb4#
        • 2.Sdf4#
        • 2.Sb6#
        • 2.Sc7#
        • 2.Se7#
      • 1...Kf3+
        • 2.Sdf4#
      • 1...Ke5+
        • 2.Sdf4#
      • 1...Kf5+
        • 2.Sdf4#
      • 1...Rc3+
        • 2.Sxc3#
      • 1...Rb4+
        • 2.Sxb4#
      • 1...Sb6+
        • 2.Sxb6#
      • 1...Rd3
        • 2.Sc3#
      • 1...Re3
        • 2.Sc3#
        • 2.Sxe3#
        • 2.Sb4#
        • 2.Sdf4#
        • 2.Sb6#
        • 2.Sc7#
        • 2.Se7#
      • 1...Rb6
        • 2.Sc3#
        • 2.Sxb6#
      • 1...Rf4
        • 2.Sc3#
        • 2.Se3#
        • 2.Sb4#
        • 2.Sdxf4#
        • 2.Sb6#
        • 2.Sc7#
        • 2.Se7#
      • 1...Rg5
        • 2.Sc3#
      • 1...Sc7
        • 2.Sc3#
        • 2.Sxc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(B);
    • Threat
      • DUALS(7)
    • Vars
      • K(c);CHECK,S_FLIGHT::B(E)+S(D)
      • K(c);CHECK,P-FLIGHT::QAR(C)+S(D)
      • K(c);CHECK,S_FLIGHT::QAR(C)+S(D)
      • R(b);CHECK::B(E)+S(D),DCHECK,XR(b)
      • R(b);CHECK::B(E)+S(D),XR(b)
      • S(f);CHECK::B(E)+S(D),XS(f)
      • R(b);::B(E)+S(D),DCHECK
      • R(d);::B(E)+S(D),DCHECK
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