MESON Chess Problem Database

Problem Display
PID: 11927 (8/8/2pKBp2/8/3k1p2/3p4/3P4/3n3Q w - - 0 1)

di Vincenzi, Renato

Unpublished, 1973

8/8/2pKBp2/8/3k1p2/3p4/3P4/3n3Q

#2

4 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...f3
      • 2.Qh4#
    • 1...c5
      • 2.Qd5#
  • Tries
    • 1.Qxc6?
      • threat
        • 2.Qa4#
        • 2.Qd5#
        • 2.Qc4#
      • 1...Sb2
        • 2.Qd5#
      • 1...Sc3
        • 2.Qc4#
      • 1...Se3!
  • Keys
    • 1.Bd5!
      • threat
        • 2.Qe4#
      • 1...cxd5
        • 2.Qxd5#
      • 1...Sf2
        • 2.Qa1#
      • 1...Sc3
        • 2.Qg1#
      • 1...f3
        • 2.Qh4#
      • 1...f5
        • 2.Qh8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • P(d);OGATEB::QAR(A)
    • P(e);N_GUARD::QAR1(A)
  • Tries
    • Try
      • Q(A);XP(e)
      • Threat
        • DUALS(3)
      • Vars
        • S(a);::QAR1(A)
      • Refutation
        • S(a);
  • Actual
    • B(D);
    • Threat
      • QAR1(A)
    • Vars
      • P(e);OGATE,XB(D)::QAR1(A),XP(e)
      • S(a);OGATE::QAB(A)
      • S(a);N_GUARD::QAB(A)
      • P(d);OGATEB::QAR(A)
      • P(f);OGATEB::QAB(A)
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