MESON Chess Problem Database

Problem Display
PID: 137927 (4N3/5p2/3p4/1Q1Pk3/2p5/2Pp3N/3p2R1/3K3B w - - 0 1)

Mlynka, Karol

2nd Prize, Kurimcan, 1983

4N3/5p2/3p4/1Q1Pk3/2p5/2Pp3N/3p2R1/3K3B

#2

8 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Kf5
      • 2.Rg5#
  • Tries
    • 1.Rg3?
      • 1...Kf5
        • 2.Rg5#
      • 1...f5
        • 2.Re3#
      • 1...f6!
    • 1.Rg7?
      • 1...Kf5
        • 2.Rg5#
      • 1...f5
        • 2.Re7#
      • 1...f6!
    • 1.Qxc4?
      • 1...Kf5
        • 2.Rg5#
        • 2.Qf4#
      • 1...f5
        • 2.Qd4#
      • 1...f6!
    • 1.Qb6?
      • 1...Ke4
        • 2.Rg5#
      • 1...Kxd5
        • 2.Re2#
      • 1...Kf5
        • 2.Rg5#
      • 1...f5
        • 2.Qd4#
      • 1...f6!
  • Keys
    • 1.Qd7!
      • 1...Ke4
        • 2.Re2#
      • 1...Kxd5
        • 2.Rg5#
      • 1...f5
        • 2.Qe6#
      • 1...f6
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • K(d);P-FLIGHT::R1(C)
  • Tries
    • Try
      • R(C);
      • Vars
        • K(d);P-FLIGHT::R1(C)
        • P(f);SBLOCK::R(C)
      • Refutation
        • P(f);
    • Try
      • R(C);
      • Vars
        • K(d);P-FLIGHT::R1(C)
        • P(f);OGATE,SBLOCK::R(C)
      • Refutation
        • P(f);
    • Try
      • Q(F);XP(c)
      • Vars
        • P(f);SBLOCK::QAB1(F)
      • Refutation
        • P(f);
    • Try
      • Q(F);
      • Vars
        • K(d);P-FLIGHT::B(B)+R(C)
        • K(d);P-FLIGHT,XP(G)::B(B)+R(C)
        • K(d);P-FLIGHT::R1(C)
        • P(f);SBLOCK::QAB1(F)
      • Refutation
        • P(f);
  • Actual
    • Q(F);
    • Vars
      • K(d);P-FLIGHT::B(B)+R(C),DCHECK
      • K(d);P-FLIGHT,P_SPINP(e),XP(G)::B(B)+R(C),DCHECK
      • P(f);N_GUARD::QAR1(F)
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