MESON Chess Problem Database

Problem Display
PID: 24117 (4n2k/4K2p/8/7P/2B1Q3/8/8/8 w - - 0 1)

Hernitz, Zvonimir

4th HM., Makuc/Moder MT, 1970

4n2k/4K2p/8/7P/2B1Q3/8/8/8

#2

4 + 3

4883 Still More Fun with Chess Miniatures 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Sd6
      • 2.Qd4#
      • 2.Qe5#
    • 1...Sc7
      • 2.Qd4#
      • 2.Qe5#
  • Tries
    • 1.Bd3?
      • threat
        • 2.Qxh7#
      • 1...Kg7
        • 2.Qxh7#
      • 1...Kg8
        • 2.Qxh7#
      • 1...h6
        • 2.Qh7#
      • 1...Sf6!
    • 1.Qf3?
      • threat
        • 2.Qf8#
      • 1...Kg7
        • 2.Qf8#
      • 1...Sf6
        • 2.Qxf6#
      • 1...h6!
    • 1.Qf5?
      • threat
        • 2.Qf8#
      • 1...Kg7
        • 2.Qf8#
      • 1...Sf6
        • 2.Qxf6#
      • 1...h6!
    • 1.Qd4+?
      • 1...Sf6
        • 2.Qxf6#
      • 1...Sg7!
    • 1.Qe5+?
      • 1...Sf6
        • 2.Qxf6#
      • 1...Sg7!
    • 1.Qe6?
      • threat
        • 2.Qg8#
      • 1...Sf6
        • 2.Qxf6#
      • 1...Kg7!
  • Keys
    • 1.Qf4!
      • threat
        • 2.Qf8#
      • 1...Kg7
        • 2.Qf8#
      • 1...h6
        • 2.Qxh6#
      • 1...Sf6
        • 2.Qxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);
      • Threat
        • QAR1(B),XP(a)
      • Vars
        • K(c);S_FLIGHT::QAR1(B),XP(a)
        • K(c);P-FLIGHT::QAB1(B),XP(a)
        • P(a);::QAR1(B)
      • Refutation
        • S(b);
    • Try
      • Q(B);
      • Threat
        • QAR2(B)
      • Vars
        • K(c);S_FLIGHT::QAB1(B)
        • S(b);N_GUARD::QAB(B),XS(b)
      • Refutation
        • P(a);
    • Try
      • Q(B);
      • Threat
        • QAR2(B)
      • Vars
        • K(c);S_FLIGHT::QAB1(B)
        • S(b);N_GUARD::QAB(B),XS(b)
      • Refutation
        • P(a);
    • Try
      • Q(B);CHECK
      • Vars
        • S(b);N_GUARD,P_SPINS(b)::QAB(B),XS(b)
      • Refutation
        • S(b);P_SPINS(b)
    • Try
      • Q(B);CHECK
      • Vars
        • S(b);N_GUARD,P_SPINS(b)::QAB(B),XS(b)
      • Refutation
        • S(b);P_SPINS(b)
    • Try
      • Q(B);
      • Threat
        • QAR1(B)
      • Vars
        • S(b);N_GUARD::QAB(B),XS(b)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • Q(B);
    • Threat
      • QAR2(B)
    • Vars
      • K(c);S_FLIGHT::QAB1(B)
      • P(a);OGATEB::QAR2(B),XP(a)
      • S(b);N_GUARD::QAB(B),XS(b)
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