MESON Chess Problem Database

Problem Display
PID: 239677 (8/1b2RQK1/2pp4/1P2N1p1/q2kN1r1/B5p1/1P2R1Bn/5n2 w - - 0 1)

Szoghy, Jozsef

Norsk Sjakkblad, 1934

8/1b2RQK1/2pp4/1P2N1p1/q2kN1r1/B5p1/1P2R1Bn/5n2

#2

10 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qd1
      • 2.Qc4#
    • 1...Qxa3
      • 2.Qc4#
    • 1...Qc4
      • 2.Qxc4#
    • 1...Qa5
      • 2.Qc4#
    • 1...Qa6
      • 2.Qc4#
    • 1...Qa7
      • 2.Qc4#
    • 1...Qa8
      • 2.Qc4#
    • 1...Rxe4
      • 2.Rxe4#
    • 1...Se3
      • 2.Rd2#
    • 1...dxe5
      • 2.Rd7#
    • 1...d5
      • 2.Bc5#
  • Tries
    • 1.Qf2+?
      • 1...Kd5
        • 2.Sc3#
        • 2.Sf6#
      • 1...Se3
        • 2.Rd2#
      • 1...gxf2!
  • Keys
    • 1.Sc5!
      • threat
        • 2.Se6#
      • 1...dxc5
        • 2.Rd7#
      • 1...dxe5
        • 2.Rd7#
      • 1...Qb3
        • 2.Sxb3#
      • 1...Qc4
        • 2.Qxc4#
      • 1...Re4
        • 2.Rxe4#
      • 1...Bc8
        • 2.Sxc6#
      • 1...Se3
        • 2.Rd2#
      • 1...Sf3
        • 2.Sxf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 7
  • Sets
    • Q(d);N_GUARD::QAR1(I)
    • Q(d);N_GUARD,XB(D)::QAR1(I)
    • Q(d);N_GUARD::QAR1(I),XQ(d)
    • R(f);OGATE,XS(E)::R1(B),XR(f)
    • S(a);N_GUARD,SBLOCK::R(B)
    • P(i);OGATEB,SBLOCK,XS(G)::R(H)
    • P(i);N_GUARD::B(D)
  • Tries
    • Try
      • Q(I);CHECK
      • Vars
        • S(a);P_SPINS(a)::R(B)
      • Refutation
        • P(c);XQ(I)
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • P(i);OGATEB,XS(E)::R(H)
      • P(i);OGATEB,XS(G)::R(H)
      • Q(d);N_GUARD::S(E),XQ(d)
      • Q(d);N_GUARD::QAR1(I),XQ(d)
      • R(f);N_GUARD::R1(B),XR(f)
      • B(j);N_GUARD::S(G),XP(h)
      • S(a);N_GUARD,SBLOCK::R(B)
      • S(b);N_GUARD::S(G),XS(b)
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