MESON Chess Problem Database

Problem Display
PID: 18297 (5R2/1Qn5/1n6/3Np1p1/3PkPP1/8/4P1K1/B7 w - - 0 1)

Mansfield, Comins

Time & Tide, 1954

5R2/1Qn5/1n6/3Np1p1/3PkPP1/8/4P1K1/B7

#2

9 + 5

3550 Complete Mansfield/II 1997

SOLUTION

  • SOUND
  • Tries
    • 1.Sf6+?
      • 1...Kxf4
        • 2.Qf3#
        • 2.Qe4#
      • 1...Ke3!
  • Keys
    • 1.Kf2!
      • 1...Sbxd5
        • 2.Qb1#
      • 1...Scxd5
        • 2.Qh7#
      • 1...exd4
        • 2.Sc3#
      • 1...exf4
        • 2.Sf6#
      • 1...gxf4
        • 2.Sf6#
      • 1...Sa4
        • 2.Sxc7#
      • 1...Sc4
        • 2.Sxc7#
      • 1...Sd7
        • 2.Sxc7#
      • 1...Sba8
        • 2.Sxc7#
      • 1...Sc8
        • 2.Sxc7#
      • 1...Sb5
        • 2.Sxb6#
      • 1...Sa6
        • 2.Sxb6#
      • 1...Se6
        • 2.Sxb6#
      • 1...Sca8
        • 2.Sxb6#
      • 1...Se8
        • 2.Sxb6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 15
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);CHECK
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • K(C);P-FLIGHT
    • Vars
      • S(d);OGATE,P_SPINS(d),SBLOCK,XS(G)::QAB(H)
      • S(e);OGATE,P_SPINS(e),SBLOCK,XS(G)::QAB(H)
      • P(b);SBLOCK,XP(D)::QAB(H)+S(G),DCHECK
      • P(b);SBLOCK,XP(E)::QAB(H)+S(G),DCHECK
      • P(c);SBLOCK,XP(E)::QAB(H)+S(G),DCHECK
      • S(d);N_GUARD::QAB(H)+S(G),XS(e)
      • S(e);N_GUARD::QAB(H)+S(G),XS(d)
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