MESON Chess Problem Database

Problem Display
PID: 234184 (8/2KPp3/2p2p2/2PbkP2/R3p3/4N1P1/8/8 w - - 0 1)

Ahues, Herbert Siegfried Oskar

Berliner Morgenpost, 1965

8/2KPp3/2p2p2/2PbkP2/R3p3/4N1P1/8/8

#2

7 + 6

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.d8Q?
      • 1...Ba2
        • 2.Qd4#
      • 1...Bb3
        • 2.Qd4#
      • 1...Be6
        • 2.Qd4#
      • 1...Bf7
        • 2.Qd4#
      • 1...Bg8
        • 2.Qd4#
      • 1...e6
        • 2.Qd6#
      • 1...Bc4!
  • Keys
    • 1.d8S!
      • 1...Bc4
        • 2.Sxc6#
      • 1...Ba2
        • 2.Sxc6#
      • 1...Bb3
        • 2.Sxc6#
      • 1...Be6
        • 2.Sxc6#
      • 1...Bf7
        • 2.Sxc6#
        • 2.Sxf7#
      • 1...Bg8
        • 2.Sxc6#
      • 1...e6
        • 2.Sf7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(G);
      • Vars
        • B(b);OGATE::QAB1(G)
        • P(f);N_GUARD::QAB1(G)
      • Refutation
        • B(b);
  • Actual
    • P(G);
    • Vars
      • B(b);N_GUARD::S(G),XP(d)
      • P(f);S_CUTB(b)::S(G)
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