MESON Chess Problem Database

Problem Display
PID: 16581 (4K2B/8/4pN1Q/5P1P/1P1k2P1/1B3n2/3NPPn1/8 w - - 0 1)

Szoghy, Jozsef

1st Prize, Nepszava, 1941

4K2B/8/4pN1Q/5P1P/1P1k2P1/1B3n2/3NPPn1/8

#2

12 + 4

3098 FIDE Album (1914-1944) (I) 1971

SOLUTION

  • SOUND
  • Sets
    • 1...Kc3
      • 2.Sd5#
    • 1...Ke5
      • 2.Sfe4#
    • 1...Sge1
      • 2.Qe3#
    • 1...Se3
      • 2.Qxe3#
    • 1...Sgh4
      • 2.Qe3#
  • Tries
    • 1.Sfe4+?
      • 1...e5
        • 2.Qb6#
        • 2.Qd6#
      • 1...Se5!
    • 1.Sd5+?
      • 1...e5
        • 2.Qb6#
      • 1...Se5!
    • 1.Sd7+?
      • 1...Se5
        • 2.Bxe5#
      • 1...e5!
    • 1.Qf4+?
      • 1...Kc3
        • 2.Sd5#
      • 1...Sxf4!
  • Keys
    • 1.Qf8!
      • threat
        • 2.Qc5#
      • 1...Kc3
        • 2.Sfe4#
      • 1...Ke5
        • 2.Sd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 3
  • Sets
    • K(c);S_FLIGHT::B(L)+S(I),DCHECK
    • K(c);S_FLIGHT::B(L)+S(I)
    • S(a);N_GUARD::QAB1(J)
    • S(a);N_GUARD::QAB1(J),XS(a)
  • Tries
    • Try
      • S(I);CHECK
      • Refutation
        • S(b);P_SPINS(b)
    • Try
      • S(I);CHECK
      • Vars
        • P(d);OGATE,P_SPINP(d)::QAB(J)
      • Refutation
        • S(b);P_SPINS(b)
    • Try
      • S(I);CHECK
      • Vars
        • S(b);N_GUARD,P_SPINS(b)::B(L),XS(b)
      • Refutation
        • P(d);P_SPINP(d)
    • Try
      • Q(J);CHECK
      • Vars
        • K(c);S_FLIGHT::B(L)+S(I),DCHECK
      • Refutation
        • S(a);XQ(J)
  • Actual
    • Q(J);
    • Threat
      • QAB1(J)
    • Vars
      • K(c);S_FLIGHT::B(L)+S(I),DCHECK
      • K(c);S_FLIGHT::B(L)+S(I)
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