MESON Chess Problem Database

Problem Display
PID: 148057 (B7/3N4/2p5/1N1k4/4R2P/5Rn1/5n2/4K2Q w - - 0 1)

Mackenzie, Arthur Ford

Jamaica Gleaner, 1885

B7/3N4/2p5/1N1k4/4R2P/5Rn1/5n2/4K2Q

#2

8 + 4

14868 Pirnie Collection 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe4
      • 2.Bxc6#
    • 1...Sd1
      • 2.Rd3#
    • 1...Sd3+
      • 2.Rxd3#
    • 1...Sh3
      • 2.Rd3#
    • 1...Sg4
      • 2.Rd3#
    • 1...Sf1
      • 2.Rf5#
    • 1...Se2
      • 2.Rf5#
    • 1...Sf5
      • 2.Rxf5#
    • 1...Sh5
      • 2.Rf5#
  • Keys
    • 1.Qg2!
      • 1...Sd3+
        • 2.Rxd3#
      • 1...Kxe4
        • 2.Bxc6#
      • 1...Sfxe4
        • 2.Qa2#
      • 1...Sgxe4
        • 2.Qg8#
      • 1...Sd1
        • 2.Rd3#
      • 1...Sfh1
        • 2.Rd3#
      • 1...Sh3
        • 2.Rd3#
      • 1...Sg4
        • 2.Rd3#
      • 1...Sf1
        • 2.Rf5#
      • 1...Sgh1
        • 2.Rf5#
      • 1...Se2
        • 2.Rf5#
      • 1...Sf5
        • 2.Rxf5#
      • 1...Sh5
        • 2.Rf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT,XR(D)::B(H),XP(d)
    • S(a);N_GUARD::R(C)
    • S(a);CHECK,N_GUARD::R(C),XS(a)
    • S(b);N_GUARD::R(C)
    • S(b);N_GUARD::R(C),XS(b)
  • Actual
    • Q(B);
    • Vars
      • S(a);CHECK,N_GUARD::R(C),XS(a)
      • K(c);S_FLIGHT,XR(D)::B(H),XP(d)
      • S(a);OGATE,SBLOCK,XR(D)::QAB(B)
      • S(b);OGATE,SBLOCK,XR(D)::QAB(B)
      • S(a);N_GUARD::R(C)
      • S(b);N_GUARD::R(C)
      • S(b);N_GUARD::R(C),XS(b)
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