MESON Chess Problem Database

Problem Display
PID: 12295 (8/8/7K/2R5/4kN2/1BP5/3pN1P1/2B1R3 w - - 0 1)

Haring, Jacobus

Problem (Zagreb), 1977

8/8/7K/2R5/4kN2/1BP5/3pN1P1/2B1R3

#2

9 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...dxe1Q
      • 2.Bc2#
    • 1...dxe1S
      • 2.Sg3#
    • 1...dxe1B
      • 2.Bc2#
    • 1...dxe1R
      • 2.Sg3#
      • 2.Bc2#
    • 1...d1Q
      • 2.Sg3#
    • 1...d1S
      • 2.Sg3#
      • 2.Bc2#
    • 1...d1B
      • 2.Sg3#
    • 1...d1R
      • 2.Sg3#
  • Tries
    • 1.Kg5?
      • threat
        • 2.Sg3#
      • 1...dxe1Q
        • 2.Bc2#
      • 1...dxe1B
        • 2.Bc2#
      • 1...Ke3!
  • Keys
    • 1.Sh3!
      • 1...dxc1Q+
        • 2.Sxc1#
      • 1...dxc1B+
        • 2.Sxc1#
      • 1...Kd3
        • 2.Sef4#
      • 1...Ke3
        • 2.Sef4#
      • 1...dxc1S
        • 2.Sxc1#
      • 1...dxc1R
        • 2.Sxc1#
      • 1...dxe1Q
        • 2.Bc2#
      • 1...dxe1S
        • 2.Sf2#
      • 1...dxe1B
        • 2.Bc2#
      • 1...dxe1R
        • 2.Sf2#
        • 2.Bc2#
      • 1...d1Q
        • 2.Sf2#
      • 1...d1S
        • 2.Bc2#
      • 1...d1B
        • 2.Sf2#
      • 1...d1R
        • 2.Sf2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 4
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • P(a);XR(B)::B(E)
    • P(a);XR(B)::S(C)
    • P(a);::R(B)+S(C),DCHECK
  • Tries
    • Try
      • K(I);S_FLIGHT
      • Threat
        • R(B)+S(C),DCHECK
      • Vars
        • P(a);XR(B)::B(E)
      • Refutation
        • K(b);P-FLIGHT,P_SPINP(a)
  • Actual
    • S(G);
    • Vars
      • P(a);CHECK,XB(A)::R(B)+S(C),XQ(a)
      • P(a);CHECK,XB(A)::R(B)+S(C),XB(a)
      • K(b);S_FLIGHT::S(C)
      • K(b);P-FLIGHT,P_SPINP(a)::R(B)+S(C)
      • P(a);XB(A)::R(B)+S(C),XS(a)
      • P(a);XB(A)::R(B)+S(C),XR(a)
      • P(a);XR(B)::B(E)
      • P(a);XR(B)::S(G)
      • P(a);::S(G)
      • P(a);::B(E)
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