MESON Chess Problem Database

Problem Display
PID: 39189 (1QKB4/2P5/5pp1/2P4k/R5N1/8/6N1/8 w - - 0 1)

Marandiuk, Mikhail Nazarovich

Pilipenko, Viktor

1st Prize=, Chervoni Girnik, 1998

1QKB4/2P5/5pp1/2P4k/R5N1/8/6N1/8

#2

8 + 3

56 The Problemist 2001

SOLUTION

  • SOUND
  • Tries
    • 1.Qb1?
      • 1...f5
        • 2.Qh1#
      • 1...g5
        • 2.Qh7#
      • 1...Kg5!
    • 1.Qb2?
      • 1...Kg5
        • 2.Qe5#
      • 1...f5
        • 2.Qh8#
      • 1...g5!
    • 1.Qb5?
      • 1...Kg5
        • 2.c6#
      • 1...g5
        • 2.Qe8#
      • 1...f5!
  • Keys
    • 1.Qb3!
      • 1...Kg5
        • 2.Qd5#
      • 1...f5
        • 2.Qh3#
      • 1...g5
        • 2.Qf7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(F);
      • Vars
        • P(b);::QAR(F)
        • P(c);OGATE,SBLOCK::QAR2(F)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(b)
    • Try
      • Q(F);
      • Vars
        • K(a);P-FLIGHT,P_SPINP(b)::QAR2(F)
        • P(b);OGATE::QAR(F)
      • Refutation
        • P(c);
    • Try
      • Q(F);
      • Vars
        • K(a);P-FLIGHT,P_SPINP(b)::QAR(F)+P(D)
        • P(c);OGATEB,SBLOCK::QAB(F)
      • Refutation
        • P(b);
  • Actual
    • Q(F);
    • Vars
      • K(a);P-FLIGHT,P_SPINP(b)::QAR(F)
      • P(b);::QAR2(F)
      • P(c);OGATEB,SBLOCK::QAB(F)
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Developed and maintained by Brian Stephenson.
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