MESON Chess Problem Database

Problem Display
PID: 31058 (2N5/3p1Q2/8/1K2k3/8/5P2/1n6/6B1 w - - 0 1)

Dubbe, Friedrich

Deutsches Wochenschach, 1898

2N5/3p1Q2/8/1K2k3/8/5P2/1n6/6B1

#2

5 + 3

3429 Friedrich Dubbe ein Deutscher Problemmeister 1938

SOLUTION

  • SOUND
  • Tries
    • 1.Sb6?
      • 1...Kd6
        • 2.Bh2#
      • 1...Sd1
        • 2.Sc4#
      • 1...Sd3
        • 2.Sc4#
      • 1...Sa4
        • 2.Sc4#
      • 1...Sc4
        • 2.Sxc4#
      • 1...d6
        • 2.Sd7#
      • 1...d5!
    • 1.Qf6+?
      • 1...Kd5
        • 2.Sb6#
        • 2.Se7#
        • 2.Qf5#
        • 2.Qd6#
      • 1...Kxf6!
  • Keys
    • 1.Sd6!
      • 1...Kxd6
        • 2.Bh2#
      • 1...Sd1
        • 2.Sc4#
      • 1...Sd3
        • 2.Sc4#
      • 1...Sa4
        • 2.Sc4#
      • 1...Sc4
        • 2.Sxc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);
      • Vars
        • K(b);S_FLIGHT::B(A)
        • S(a);N_GUARD::S(E)
        • S(a);N_GUARD::S(E),XS(a)
        • P(c);SBLOCK::S(E)
      • Refutation
        • P(c);
    • Try
      • Q(D);CHECK
      • Refutation
        • K(b);S_FLIGHT,XQ(D)
  • Actual
    • S(E);
    • Vars
      • K(b);S_FLIGHT,XS(E)::B(A)
      • S(a);N_GUARD::S(E)
      • S(a);N_GUARD::S(E),XS(a)
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