MESON Chess Problem Database

Problem Display
PID: 239739 (8/8/1n2P3/1PQP2q1/4k1P1/1P1Np1P1/5bK1/3R1N2 w - - 0 1)

Szoghy, Jozsef

Freie Presse, 1982

8/8/1n2P3/1PQP2q1/4k1P1/1P1Np1P1/5bK1/3R1N2

#2

11 + 5

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bxg3
      • 2.Sxg3#
    • 1...Sa4
      • 2.Qc4#
    • 1...Sc4
      • 2.Qxc4#
    • 1...Sxd5
      • 2.Qc4#
    • 1...Sd7
      • 2.Qc4#
    • 1...Sa8
      • 2.Qc4#
    • 1...Sc8
      • 2.Qc4#
  • Tries
    • 1.Sxf2+?
      • 1...exf2
        • 2.Qd4#
      • 1...Ke5!
    • 1.Qb4+?
      • 1...Sc4
        • 2.Qxc4#
      • 1...Kxd5!
  • Keys
    • 1.Qc7!
      • threat
        • 2.Sc5#
      • 1...Kd4
        • 2.Sxf2#
      • 1...Kxd5
        • 2.Sc5#
      • 1...Qxg4
        • 2.Qe5#
      • 1...Qxd5
        • 2.Qf4#
      • 1...Qe7
        • 2.Qe5#
      • 1...Sa4
        • 2.Qc4#
      • 1...Sd7
        • 2.Qc4#
      • 1...e2
        • 2.Sxf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 5
  • Sets
    • B(a);XP(F)::S(B),XB(a)
    • S(e);N_GUARD::QAR2(I)
    • S(e);N_GUARD::QAR2(I),XS(e)
    • S(e);N_GUARD,XP(J)::QAR2(I)
  • Tries
    • Try
      • S(E);CHECK,XB(a)
      • Vars
        • P(b);XS(E)::QAR1(I)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(I);CHECK
      • Vars
        • S(e);N_GUARD,P_SPINS(e)::QAR2(I),XS(e)
      • Refutation
        • K(c);S_FLIGHT,XP(J)
  • Actual
    • Q(I);
    • Threat
      • S(E)
    • Vars
      • K(c);P-FLIGHT::R(A)+S(E),XB(a)
      • K(c);S_FLIGHT,XP(J)::R(A)+S(E)
      • Q(d);N_GUARD,P_PINP(F),XP(G)::QAR1(I)
      • Q(d);N_GUARD,SBLOCK,XP(J)::QAR1(I)
      • Q(d);N_GUARD::QAR1(I)
      • S(e);N_GUARD::QAR2(I)
      • P(b);N_GUARD::S(E),XB(a)
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