MESON Chess Problem Database

Problem Display
PID: 17411 (2bB1b2/K1N5/2pk1N2/p3n2Q/r7/2Rp4/8/8 w - - 0 1)

Goldschmeding, Cornelis

1st Prize, Palestine Post, 1946

2bB1b2/K1N5/2pk1N2/p3n2Q/r7/2Rp4/8/8

#2

6 + 8

3105 FIDE Album (1945-1955) 1964

SOLUTION

  • SOUND
  • Sets
    • 1...Be6
      • 2.Sce8#
    • 1...Sf3
      • 2.Qc5#
    • 1...Sc4
      • 2.Rxd3#
    • 1...Sg4
      • 2.Qc5#
    • 1...Sg6
      • 2.Qc5#
    • 1...Sd7
      • 2.Sfe8#
    • 1...Sf7
      • 2.Qc5#
  • Tries
    • 1.Se4+?
      • 1...Kd7
        • 2.Qe8#
      • 1...Rxe4!
  • Keys
    • 1.Qe8!
      • threat
        • 2.Qxf8#
      • 1...Sc4
        • 2.Se4#
      • 1...Bh6
        • 2.Qe7#
      • 1...Be7
        • 2.Qxe7#
      • 1...Bg7
        • 2.Qe7#
      • 1...Sf3
        • 2.Rxc6#
      • 1...Sg4
        • 2.Rxc6#
      • 1...Sg6
        • 2.Rxc6#
      • 1...Sd7
        • 2.Qe6#
      • 1...Sf7
        • 2.Rxc6#
      • 1...c5
        • 2.Sb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 6
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • B(g);SBLOCK::S(E)
    • S(d);OGATE::QAB1(B)
    • S(d);N_GUARD,S_CUTR(b)::R(A),XP(a)
    • S(d);SBLOCK::S(C)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(f);P-FLIGHT::QAB1(B)
      • Refutation
        • R(b);XS(C)
  • Actual
    • Q(B);
    • Threat
      • QAB(B),XB(h)
    • Vars
      • S(d);S_CUTR(b)::S(C)
      • B(h);N_GUARD::QAB1(B)
      • B(h);N_GUARD::QAB1(B),XB(h)
      • S(d);N_GUARD::R1(A),XP(e)
      • S(d);S_CUTB(g)::QAR1(B)
      • P(e);N_GUARD::S(E)
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