MESON Chess Problem Database

Problem Display
PID: 122156 (2n1kb2/pN2n1pp/K1N1Q1r1/7B/8/8/8/8 w - - 0 1)

Goldschmidt, Ervin

1st Prize, Nepszava, 1928

2n1kb2/pN2n1pp/K1N1Q1r1/7B/8/8/8/8

#2

5 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sb6
      • 2.Sd6#
    • 1...Sd6
      • 2.Sxd6#
    • 1...h6
      • 2.Bxg6#
  • Tries
    • 1.Ka5?
      • 1...Sb6
        • 2.Sd6#
      • 1...Sd6
        • 2.Sxd6#
      • 1...h6
        • 2.Bxg6#
      • 1...a6!
  • Keys
    • 1.Se5!
      • 1...Sb6
        • 2.Qf7#
      • 1...Sd6
        • 2.Qd7#
      • 1...h6
        • 2.Bxg6#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(f);N_GUARD::S(E)
    • S(f);N_GUARD::S(E),XS(f)
    • P(e);N_GUARD::B(A),XR(a)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • S(f);N_GUARD::S(E)
        • S(f);N_GUARD::S(E),XS(f)
        • P(e);N_GUARD::B(A),XR(a)
      • Refutation
        • P(b);
  • Actual
    • S(C);P_SPINQ(D)
    • Vars
      • S(f);N_PINQ(D)::QAB1(D)
      • P(e);N_GUARD::B(A),XR(a)
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