MESON Chess Problem Database

Problem Display
PID: 239732 (1R6/5pp1/1pk2q1R/2ppQ3/P4B1b/3NP2B/p7/Kb6 w - - 0 1)

Szoghy, Jozsef

Buletin Problemistic, 1978

1R6/5pp1/1pk2q1R/2ppQ3/P4B1b/3NP2B/p7/Kb6

#2

9 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qd6
      • 2.Qxd6#
    • 1...Qe6
      • 2.Qc7#
    • 1...Qg6
      • 2.Qc7#
      • 2.Qe8#
    • 1...Qxh6
      • 2.Qc7#
      • 2.Qe8#
    • 1...d4
      • 2.Qe4#
    • 1...b5
      • 2.axb5#
    • 1...g5
      • 2.Rxf6#
      • 2.Qxf6#
  • Tries
    • 1.Sb2?
      • threat
        • 2.Qc7#
        • 2.Qe8#
      • 1...Qd6
        • 2.Qxd6#
      • 1...Qe6
        • 2.Qc7#
      • 1...Bf5
        • 2.Qc7#
      • 1...c4
        • 2.Qc7#
      • 1...d4!
    • 1.Rxf6+?
      • 1...gxf6
        • 2.Qd6#
        • 2.Qc7#
        • 2.Qe8#
      • 1...Bxf6!
    • 1.e4?
      • threat
        • 2.exd5#
      • 1...Qd6
        • 2.Qxd6#
      • 1...Qe6
        • 2.Qc7#
        • 2.Qxd5#
      • 1...d4
        • 2.Qc7#
        • 2.Qd5#
        • 2.Qe8#
      • 1...dxe4!
  • Keys
    • 1.Qb2!
      • threat
        • 2.Rxb6#
      • 1...Qd6
        • 2.Qxb6#
      • 1...Qe6
        • 2.Qb5#
      • 1...d4
        • 2.Qg2#
      • 1...b5
        • 2.axb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • Q(h);N_PINQ(G)::QAR1(G),XQ(h)
    • Q(h);N_PINQ(G)::QAR1(G)
    • P(e);N_PINQ(G)::QAB(G)
    • P(f);OGATE::P(E),XP(f)
  • Tries
    • Try
      • S(B);N_SPINQ(G)
      • Threat
        • DUALS(2)
      • Vars
        • Q(h);N_GUARD::QAR1(G),XQ(h)
        • Q(h);::QAR1(G)
        • B(a);::QAR1(G)
        • P(d);::QAR1(G)
      • Refutation
        • P(e);
    • Try
      • R(H);CHECK,N_SPINQ(G),XQ(h)
      • Refutation
        • B(c);P_PINQ(G),XR(H)
    • Try
      • P(C);
      • Threat
        • P(C),XP(e)
      • Vars
        • Q(h);N_PINQ(G)::QAR1(G),XQ(h)
      • Refutation
        • P(e);XP(C)
  • Actual
    • Q(G);
    • Threat
      • R1(I),XP(f)
    • Vars
      • Q(h);N_PINQ(G)::QAR1(G),XP(f)
      • Q(h);N_PINQ(G)::QAB1(G)
      • P(e);N_PINQ(G)::QAB(G)
      • P(f);OGATE::P(E),XP(f)
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