MESON Chess Problem Database

Problem Display
PID: 76466 (2K3B1/2B4Q/4N3/n2k2p1/2pN3n/2rp4/8/8 w - - 0 1)

Gamage, Frederick

Frederick Gamage (Prcic), 2004

2K3B1/2B4Q/4N3/n2k2p1/2pN3n/2rp4/8/8

#2

6 + 7

5454 Near Snap 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Sg2
      • 2.Qf5#
    • 1...Sf5
      • 2.Qxf5#
      • 2.Qh1#
    • 1...Sg6
      • 2.Qh1#
  • Tries
    • 1.Sc6?
      • threat
        • 2.Sb4#
        • 2.Se7#
      • 1...Kxc6
        • 2.Qd7#
      • 1...Sf5
        • 2.Qh1#
      • 1...Sg6
        • 2.Qh1#
      • 1...Rb3
        • 2.Se7#
      • 1...Sxc6!
  • Keys
    • 1.Sf5!
      • threat
        • 2.Se7#
      • 1...Ke4
        • 2.Sxg5#
      • 1...Kc6
        • 2.Qd7#
      • 1...Sxf5
        • 2.Qh1#
      • 1...Sg6
        • 2.Qh1#
      • 1...Sc6
        • 2.Se3#

Anticipated by 17136(1902)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • S(d);N_GUARD::QAR2(D)
    • S(d);OGATE::QAB(D)
  • Tries
    • Try
      • S(A);
      • Threat
        • DUALS(2)
      • Vars
        • K(f);S_FLIGHT,XS(A)::QAB1(D)
        • S(d);OGATE::QAB(D)
        • R(a);::S(A)
      • Refutation
        • S(e);XS(A)
  • Actual
    • S(A);
    • Threat
      • S(A)
    • Vars
      • K(f);S_FLIGHT::S(B),XP(g)
      • K(f);S_FLIGHT::QAB1(D)
      • S(d);OGATE,XS(A)::QAB(D)
      • S(d);OGATE::QAB(D)
      • S(e);SBLOCK::S(A)
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