MESON Chess Problem Database

Problem Display
PID: 6935 (2B5/3Pppn1/4k3/2p2p2/5B2/8/5K2/3Q4 w - - 0 1)

Howard, Kenneth Samuel

American Chess Bulletin, 1935

2B5/3Pppn1/4k3/2p2p2/5B2/8/5K2/3Q4

#2

5 + 6

5089 The Enjoyment of Chess Problems 1943
5088 How to Solve Chess Problems 1945

SOLUTION

  • SOUND
  • Sets
    • 1...Se8
      • 2.dxe8S#
    • 1...f6
      • 2.d8S#
  • Tries
    • 1.Qf3?
      • threat
        • 2.Qc6#
      • 1...Se8
        • 2.dxe8S#
      • 1...f6
        • 2.d8S#
      • 1...Kf6!
    • 1.Qd4?
      • threat
        • 2.Qe5#
        • 2.d8Q#
        • 2.d8S#
        • 2.d8B#
        • 2.d8R#
      • 1...f6
        • 2.Qc4#
        • 2.d8S#
      • 1...Sh5
        • 2.Qe5#
        • 2.d8Q#
        • 2.d8S#
        • 2.d8B#
        • 2.d8R#
      • 1...Se8
        • 2.Qe5#
        • 2.dxe8Q#
        • 2.dxe8S#
        • 2.dxe8B#
        • 2.dxe8R#
        • 2.d8Q#
        • 2.d8S#
        • 2.d8B#
        • 2.d8R#
      • 1...c4
        • 2.Qe5#
        • 2.d8Q#
        • 2.d8S#
        • 2.d8B#
        • 2.d8R#
      • 1...cxd4!
  • Keys
    • 1.Qh1!
      • threat
        • 2.Qc6#
      • 1...Kf6
        • 2.Qh6#
      • 1...Se8
        • 2.dxe8S#
      • 1...f6
        • 2.d8S#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(f);OGATE::PXS(f)=S
    • P(e);SBLOCK::P=S
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAR2(A)
      • Vars
        • S(f);OGATE::PXS(f)=S
        • P(e);SBLOCK::P=S
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(A);
      • Threat
        • DUALS(5)
      • Refutation
        • P(a);XQ(A)
  • Actual
    • Q(A);
    • Threat
      • QAR2(A)
    • Vars
      • K(c);P-FLIGHT::QAR2(A)
      • S(f);OGATE::PXS(f)=S
      • P(e);SBLOCK::P=S
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