MESON Chess Problem Database

Problem Display
PID: 4863 (6B1/1p3N2/1P6/2Pkp1P1/1Qp5/nP2P3/4K3/8 w - - 0 1)

Laws, Benjamin Glover

The Schoolmaster, 1892

6B1/1p3N2/1P6/2Pkp1P1/1Qp5/nP2P3/4K3/8

#2

9 + 5

187 The Chess Bouquet 1897
3571 An English Bohemian 1933

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Sd6#
    • 1...Kc6
      • 2.Sxe5#
    • 1...cxb3
      • 2.Sd8#
    • 1...c3
      • 2.Sd8#
  • Tries
    • 1.Qxc4+?
      • 1...Kc6
        • 2.Sxe5#
      • 1...Sxc4!
  • Keys
    • 1.c6!
      • 1...Ke4
        • 2.Sd6#
      • 1...Kxc6
        • 2.Sxe5#
      • 1...Ke6
        • 2.Sh6#
      • 1...cxb3
        • 2.Sd8#
      • 1...bxc6
        • 2.Sd6#
      • 1...Sb1
        • 2.Qxc4#
      • 1...Sc2
        • 2.Qxc4#
      • 1...Sb5
        • 2.Qxc4#
      • 1...c3
        • 2.Sd8#
      • 1...e4
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • K(c);P_SPINP(b),S_FLIGHT::S(H)
    • K(c);S_FLIGHT::S(H),XP(d)
    • P(b);XP(B)::B(I)+S(H)
    • P(b);::B(I)+S(H)
  • Tries
    • Try
      • Q(D);CHECK,XP(b)
      • Vars
        • K(c);S_FLIGHT::S(H),XP(d)
      • Refutation
        • S(a);XQ(D)
  • Actual
    • P(E);
    • Vars
      • K(c);P_SPINP(b),S_FLIGHT::S(H)
      • K(c);S_FLIGHT,XP(E)::S(H),XP(d)
      • K(c);S_FLIGHT::B(I)+S(H)
      • P(b);XP(B)::B(I)+S(H)
      • P(e);SBLOCK,XP(E)::B(I)+S(H)
      • S(a);N_GUARD::QAB1(D),XP(b)
      • P(b);::B(I)+S(H)
      • P(d);SBLOCK::QAR1(D)
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