MESON Chess Problem Database

Problem Display
PID: 241704 (6K1/3Qp3/3p4/N2k4/R7/8/8/8 w - - 0 1)

Mlynka, Karol

Pravda, 2007

6K1/3Qp3/3p4/N2k4/R7/8/8/8

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Qc6#
    • 1...e6
      • 2.Qb5#
  • Tries
    • 1.Sb7?
      • 1...e5
        • 2.Qxd6#
      • 1...e6
        • 2.Qb5#
        • 2.Qxd6#
      • 1...Ke5!
    • 1.Rc4?
      • 1...e5
        • 2.Qf7#
      • 1...e6
        • 2.Qb5#
      • 1...Ke5!
    • 1.Rf4?
      • 1...Kc5
        • 2.Qc6#
      • 1...Ke5
        • 2.Qf5#
      • 1...e6
        • 2.Qb5#
      • 1...e5!
  • Keys
    • 1.Kf7!
      • threat
        • 2.Qb5#
      • 1...Kc5
        • 2.Qc6#
      • 1...Ke5
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(a);N_SPINP(b),P-FLIGHT::QAR1(C)
    • P(c);SBLOCK::QAR2(C)
  • Tries
    • Try
      • S(B);
      • Vars
        • P(c);N_GUARD::QAR1(C),XP(b)
      • Refutation
        • K(a);N_SPINP(b),P-FLIGHT
    • Try
      • R(A);
      • Vars
        • P(c);OGATE,SBLOCK::QAB(C)
        • P(c);SBLOCK::QAR2(C)
      • Refutation
        • K(a);N_SPINP(b),P-FLIGHT
    • Try
      • R(A);
      • Vars
        • K(a);N_SPINP(b),P-FLIGHT::QAR1(C)
        • P(c);SBLOCK::QAR2(C)
      • Refutation
        • P(c);
  • Actual
    • K(D);S_FLIGHT
    • Threat
      • QAR2(C)
    • Vars
      • K(a);N_SPINP(b),P-FLIGHT::QAR1(C)
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