MESON Chess Problem Database

Problem Display
PID: 196316 (7b/8/8/2p5/2pk3B/2N1p1P1/1Q2P3/K7 w - - 0 1)

van Dijk, Johannes

Haagsche Courant, 1900

7b/8/8/2p5/2pk3B/2N1p1P1/1Q2P3/K7

#2

6 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Bf6
      • 2.Bxf6#
  • Tries
    • 1.Qd2+?
      • 1...Ke5
        • 2.Qd5#
      • 1...exd2!
  • Keys
    • 1.Qb7!
      • 1...Kxc3
        • 2.Qb2#
      • 1...Ke5
        • 2.Qd5#
      • 1...Be5
        • 2.Sb5#
      • 1...Bf6
        • 2.Bxf6#
      • 1...Bg7
        • 2.Qxg7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • B(e);N_GUARD::B(F),XB(e)
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(c);OGATE,S_FLIGHT::QAR1(B)
      • Refutation
        • P(a);XQ(B)
  • Actual
    • Q(B);
    • Vars
      • K(c);OGATEB,S_FLIGHT,XS(D)::QAB1(B)
      • K(c);S_FLIGHT::QAR1(B)
      • B(e);SBLOCK::S(D)
      • B(e);N_GUARD::B(F),XB(e)
      • B(e);N_GUARD::QAB(B),XB(e)
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