MESON Chess Problem Database

Problem Display
PID: 8015 (6R1/8/5p2/5p1k/6n1/4BN2/8/3Q2K1 w - - 0 1)

Rice, John Michael

Chess Problems for Solving, 1995

6R1/8/5p2/5p1k/6n1/4BN2/8/3Q2K1

#2

5 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Qa4?
      • threat
        • 2.Qe8#
      • 1...Sxe3
        • 2.Qh4#
      • 1...Se5
        • 2.Qh4#
      • 1...Sh6
        • 2.Qh4#
      • 1...f4!
    • 1.Qd4?
      • 1...Sxe3
        • 2.Qh4#
      • 1...Sf2
        • 2.Qh4#
      • 1...Sh2
        • 2.Qh4#
      • 1...Se5
        • 2.Qh4#
      • 1...Sh6
        • 2.Qh4#
      • 1...f4!
  • Keys
    • 1.Qc2!
      • threat
        • 2.Qxf5#
      • 1...Sxe3
        • 2.Qh2#
      • 1...f4
        • 2.Qg6#
      • 1...Sh6
        • 2.Qh2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAB(A)
      • Vars
        • S(a);OGATE,XB(C)::QAR1(A)
        • S(a);OGATE::QAR1(A)
      • Refutation
        • P(b);
    • Try
      • Q(A);
      • Vars
        • S(a);OGATE,XB(C)::QAR1(A)
        • S(a);OGATE::QAR1(A)
      • Refutation
        • P(b);
  • Actual
    • Q(A);
    • Threat
      • QAR2(A),XP(b)
    • Vars
      • S(a);N_GUARD,XB(C)::QAR(A)
      • P(b);OGATE::QAB1(A)
      • S(a);N_GUARD::QAR(A)
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