MESON Chess Problem Database

Problem Display
PID: 150965 (8/8/2P2Q2/1K1kp3/8/2p1p3/3PP3/8 w - - 0 1)

Ahlheim, Karl-Heinz

Die Schwalbe, 1977

8/8/2P2Q2/1K1kp3/8/2p1p3/3PP3/8

#2

5 + 4

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Qf7+?
      • 1...Kd4
        • 2.Qc4#
      • 1...Kd6
        • 2.Qd7#
      • 1...Ke4!
  • Keys
    • 1.dxc3!
      • 1...Ke4
        • 2.Qf3#
      • 1...e4
        • 2.c4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);CHECK
      • Vars
        • K(c);OGATE,P-FLIGHT::QAR1(E)
        • K(c);P-FLIGHT::QAR1(E)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • P(A);XP(a)
    • Vars
      • K(c);S_FLIGHT::QAB1(E)
      • P(d);SBLOCK::P(A)
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