MESON Chess Problem Database

Problem Display
PID: 135311 (6Q1/1K3N2/3N1p1n/3k1Brp/pB4p1/2P2P2/bp3n2/2b5 w - - 0 1)

Morris, David

The Field, 1915

(First published on Sat Jun 5 1915)

6Q1/1K3N2/3N1p1n/3k1Brp/pB4p1/2P2P2/bp3n2/2b5

#2

8 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Se4
      • 2.fxe4#
  • Tries
    • 1.Be4+?
      • 1...Ke6
        • 2.Qe8#
      • 1...Sxe4!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Sb6#
      • 1...Kxc4
        • 2.Sd6#
      • 1...Rxf5
        • 2.Sxh6#
      • 1...Bxc4
        • 2.Qd8#
      • 1...Sxf5
        • 2.Sxg5#
      • 1...Sxf7
        • 2.Qxf7#
      • 1...Be3
        • 2.Sxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • S(d);OGATE::P(B),XS(d)
  • Tries
    • Try
      • B(D);CHECK
      • Vars
        • K(g);S_FLIGHT::QAR2(H)
      • Refutation
        • S(d);XB(D)
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • K(g);S_FLIGHT,XS(E)::QAB(H)+S(G),DCHECK
      • R(h);N_GUARD,XB(D)::QAB(H)+S(G),XS(k)
      • B(b);SBLOCK,XS(E)::QAR(H)
      • S(k);N_GUARD,XB(D)::QAB(H)+S(G),XR(h)
      • S(k);OGATE,P_SPINS(k),XS(G)::QAB(H),XS(k)
      • B(a);N_GUARD::S(E),XB(a)
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