MESON Chess Problem Database

Problem Display
PID: 46470 (8/4K3/8/5p2/8/8/3NkN2/4B1Q1 w - - 0 1)

Krikheli, Iosif Mikhailovich

Boletim da UBP, 1980

8/4K3/8/5p2/8/8/3NkN2/4B1Q1

#2

5 + 2

4883 Still More Fun with Chess Miniatures 2002

SOLUTION

  • SOUND
  • Tries
    • 1.Qh1?
      • 1...f4
        • 2.Qe4#
      • 1...Ke3!
    • 1.Qg3?
      • threat
        • 2.Qe5#
      • 1...Kxe1
        • 2.Qe3#
      • 1...f4!
    • 1.Qg7?
      • threat
        • 2.Qe5#
      • 1...Ke3
        • 2.Qe5#
      • 1...Kxe1!
  • Keys
    • 1.Qg5!
      • 1...Kxe1
        • 2.Qe3#
      • 1...f4
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);
      • Vars
        • P(b);N_GUARD::QAR2(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAR(B)
      • Vars
        • K(a);P-FLIGHT,XB(A)::QAR2(B)
      • Refutation
        • P(b);
    • Try
      • Q(B);
      • Threat
        • QAR(B)
      • Vars
        • K(a);P-FLIGHT::QAR2(B)
      • Refutation
        • K(a);P-FLIGHT,XB(A)
  • Actual
    • Q(B);
    • Vars
      • K(a);P-FLIGHT,XB(A)::QAR2(B)
      • P(b);OGATE::QAR(B)
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