MESON Chess Problem Database

Problem Display
PID: 24475 (8/8/3B4/5Q2/3k2N1/2pp4/8/6K1 w - - 0 1)

Hernitz, Zvonimir

2nd Place, Uder, 1975

8/8/3B4/5Q2/3k2N1/2pp4/8/6K1

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Sf2?
      • threat
        • 2.Qxd3#
        • 2.Qe4#
        • 2.Qc5#
      • 1...Ke3
        • 2.Qxd3#
      • 1...c2
        • 2.Qxd3#
        • 2.Qc5#
      • 1...d2
        • 2.Qd3#
        • 2.Qe4#
        • 2.Qc5#
      • 1...Kc4!
    • 1.Se3?
      • threat
        • 2.Bc5#
        • 2.Qf4#
        • 2.Qe5#
      • 1...c2
        • 2.Qe5#
      • 1...d2
        • 2.Bc5#
      • 1...Kxe3!
  • Keys
    • 1.Sf6!
      • threat
        • 2.Qe4#
        • 2.Qf4#
        • 2.Qc5#
      • 1...Ke3
        • 2.Qf2#
      • 1...Kc4
        • 2.Qd5#
      • 1...c2
        • 2.Qc5#
      • 1...d2
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • DUALS(3)
      • Vars
        • K(c);S_FLIGHT::QAR1(C),XP(b)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • S(B);
      • Threat
        • DUALS(3)
      • Vars
        • P(a);::QAB1(C)
        • P(b);::B(D)
      • Refutation
        • K(c);S_FLIGHT,XS(B)
  • Actual
    • S(B);
    • Threat
      • DUALS(3)
    • Vars
      • K(c);S_FLIGHT::QAB1(C)
      • K(c);P-FLIGHT::QAB1(C)
      • P(a);::QAB1(C)
      • P(b);::QAR1(C)
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