MESON Chess Problem Database

Problem Display
PID: 41242 (4RN1K/6N1/1P1p4/2pk4/Q2p4/p7/q1PnPp1B/1nbR1r1b w - - 0 1)

Szoghy, Jozsef

Tyovaen Shakki, 1936

4RN1K/6N1/1P1p4/2pk4/Q2p4/p7/q1PnPp1B/1nbR1r1b

#2

10 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Qc4
      • 2.Qa8#
    • 1...Sb3
      • 2.c4#
    • 1...Sf3
      • 2.e4#
    • 1...Sc4
      • 2.Qa8#
    • 1...c4
      • 2.Qb5#
  • Tries
    • 1.Sh5?
      • threat
        • 2.Sf4#
        • 2.Sf6#
      • 1...c4
        • 2.Qb5#
      • 1...Sb3
        • 2.Sf6#
        • 2.c4#
      • 1...Sf3
        • 2.Sf6#
        • 2.e4#
      • 1...Sc4
        • 2.Sf6#
        • 2.Qa8#
      • 1...Se4!
    • 1.Sge6?
      • threat
        • 2.Sf4#
        • 2.Sc7#
      • 1...Sb3
        • 2.Sc7#
      • 1...Sf3
        • 2.Sc7#
      • 1...Sc4
        • 2.Sc7#
        • 2.Qa8#
      • 1...Se4
        • 2.Sc7#
      • 1...c4
        • 2.Qa8#
      • 1...Ke4!
    • 1.Sfe6?
      • threat
        • 2.Sf4#
        • 2.Sc7#
      • 1...Sb3
        • 2.Sc7#
      • 1...Sf3
        • 2.Sc7#
      • 1...Sc4
        • 2.Sc7#
        • 2.Qa8#
      • 1...Se4
        • 2.Sc7#
      • 1...c4
        • 2.Qa8#
      • 1...Ke4!
    • 1.Sd7?
      • threat
        • 2.Sf6#
      • 1...c4
        • 2.Qb5#
        • 2.Qa8#
      • 1...Se4!
    • 1.Sh7?
      • threat
        • 2.Sf6#
      • 1...c4
        • 2.Qb5#
      • 1...Se4!
    • 1.c4+?
      • 1...Qxc4
        • 2.Qa8#
      • 1...Sxc4
        • 2.Qa8#
      • 1...dxc4 ep!
  • Keys
    • 1.Sg6!
      • threat
        • 2.Sf4#
      • 1...c4
        • 2.Qb5#
      • 1...Sb3
        • 2.c4#
      • 1...Sf3
        • 2.e4#
      • 1...Sc4
        • 2.Qa8#
      • 1...Se4
        • 2.Se7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • Q(e);SBLOCK::QAB(E)
    • S(f);N_GUARD,P_SPINP(i),S_CUTQ(e)::P(B)
    • S(f);N_GUARD,P_SPINP(i),S_CUTB(d)::P(C)
    • S(f);P_SPINP(i),SBLOCK::QAB(E)
    • P(j);OGATEB::QAR2(E)
  • Tries
    • Try
      • S(G);
      • Threat
        • DUALS(2)
      • Vars
        • P(j);OGATEB::QAR2(E)
      • Refutation
        • S(f);P_SPINP(i)
    • Try
      • S(G);
      • Threat
        • DUALS(2)
      • Vars
        • S(f);P_SPINP(i)::S(G)
        • P(j);SBLOCK::QAB(E)
      • Refutation
        • K(k);P_SPINP(i),S_FLIGHT
    • Try
      • S(I);
      • Threat
        • DUALS(2)
      • Vars
        • S(f);P_SPINP(i)::S(I)
        • P(j);SBLOCK::QAB(E)
      • Refutation
        • K(k);P_SPINP(i),S_FLIGHT
    • Try
      • S(I);
      • Threat
        • S(I)
      • Refutation
        • S(f);P_SPINP(i)
    • Try
      • S(I);
      • Threat
        • S(I)
      • Vars
        • P(j);OGATEB::QAR2(E)
      • Refutation
        • S(f);P_SPINP(i)
    • Try
      • P(B);CHECK
      • Vars
        • Q(e);SBLOCK,XP(B)::QAB(E)
        • S(f);P_SPINP(i),SBLOCK,XP(B)::QAB(E)
      • Refutation
        • P(i);EP,P_SPINS(f),XP(B)
  • Actual
    • S(I);
    • Threat
      • S(I)
    • Vars
      • P(j);OGATEB::QAR2(E)
      • S(f);N_GUARD,P_SPINP(i),S_CUTQ(e)::P(B)
      • S(f);N_GUARD,P_SPINP(i),S_CUTB(d)::P(C)
      • S(f);P_SPINP(i),SBLOCK::QAB(E)
      • S(f);P_SPINP(i),SBLOCK::S(I)
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