MESON Chess Problem Database

Problem Display
PID: 262162 (K7/2B5/2k2N2/1Nn5/P3R3/2n5/6R1/7B w - - 0 1)

Lipton, Michael

Probleemblad, 1985

K7/2B5/2k2N2/1Nn5/P3R3/2n5/6R1/7B

#2

8 + 3

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Keys
    • 1.Rc2!
      • threat
        • 2.Re6#
      • 1...S3xa4
        • 2.Rb4#
      • 1...S3xe4
        • 2.Bxe4#
      • 1...Sxb5
        • 2.Re7#
      • 1...S5xa4
        • 2.Re5#
      • 1...S5xe4
        • 2.Rxc3#
      • 1...Sb3
        • 2.Rc4#
        • 2.Re5#
      • 1...Sd3
        • 2.Rc4#
        • 2.Re5#
      • 1...Sa6
        • 2.Rc4#
        • 2.Re5#
      • 1...Se6
        • 2.Rc4#
        • 2.Re5#
      • 1...Sb7
        • 2.Rc4#
        • 2.Re5#
      • 1...Sd7
        • 2.Rc4#
        • 2.Re5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(B);
    • Threat
      • B(A)+R(D),DCHECK
    • Vars
      • S(a);N_GUARD,P_SPINS(b),XP(C)::B(A)+R(D)
      • S(a);OGATE,P_SPINS(a),XR(D)::B(A),XS(a)
      • S(a);N_GUARD,P_SPINS(b),XS(E)::B(A)+R(D)
      • S(b);N_GUARD,P_SPINS(a),XP(C)::B(A)+R(D)
      • S(b);OGATEB,P_SPINS(a),XR(D)::R(B),XS(a)
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