MESON Chess Problem Database

Problem Display
PID: 56959 (2K5/p7/8/1k1B4/N7/8/2Q5/8 w - - 0 1)

Blumenthal, Oscar

Source?, 0000

2K5/p7/8/1k1B4/N7/8/2Q5/8

#2

4 + 2

4331 Schachminiaturen II 1903

SOLUTION

  • SOUND
  • Sets
    • 1...a5
      • 2.Qc4#
  • Tries
    • 1.Qc5+?
      • 1...Ka6
        • 2.Bc4#
        • 2.Bb7#
      • 1...Kxa4!
  • Keys
    • 1.Qc3!
      • 1...Kxa4
        • 2.Bc6#
      • 1...Ka6
        • 2.Bc4#
      • 1...a5
        • 2.Qc4#
      • 1...a6
        • 2.Bc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(b);SBLOCK::QAB1(A)
  • Tries
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);S_FLIGHT,XS(B)
  • Actual
    • Q(A);
    • Vars
      • K(a);S_FLIGHT,XS(B)::B(C)
      • K(a);S_FLIGHT::B(C)
      • P(b);SBLOCK::QAB1(A)
      • P(b);SBLOCK::B(C)
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