MESON Chess Problem Database

Problem Display
PID: 182395 (8/1p1Q4/1Np3bR/n1k5/K7/bp2p3/1P2PN2/6B1 w - - 0 1)

Hill, C

British Chess Magazine, 1912

8/1p1Q4/1Np3bR/n1k5/K7/bp2p3/1P2PN2/6B1

#2

8 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...exf2
      • 2.Bxf2#
  • Tries
    • 1.Sd3+?
      • 1...Bxd3
        • 2.Bxe3#
      • 1...Kxb6!
    • 1.Se4+?
      • 1...Bxe4
        • 2.Bxe3#
      • 1...Kxb6!
    • 1.Qd5+?
      • 1...Kxb6
        • 2.Qxa5#
      • 1...cxd5!
  • Keys
    • 1.Qd2!
      • 1...Kxb6
        • 2.Qxa5#
      • 1...Bxb2
        • 2.Qb4#
      • 1...exd2
        • 2.Se4#
      • 1...exf2
        • 2.Bxf2#
      • 1...Bd3
        • 2.Qxe3#
      • 1...Bb4
        • 2.Qxb4#
      • 1...Bb1
        • 2.Qxe3#
      • 1...Bc2
        • 2.Qxe3#
      • 1...Be4
        • 2.Qxe3#
      • 1...Bf5
        • 2.Qxe3#
      • 1...Bh5
        • 2.Qxe3#
      • 1...Bf7
        • 2.Qxe3#
      • 1...Bh7
        • 2.Qxe3#
      • 1...Be8
        • 2.Qxe3#
      • 1...Sc4
        • 2.Sd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 14
    • REMOVED MATES = 0
  • Sets
    • P(c);OGATE,P_SPINP(c),XS(D)::B(A),XP(c)
  • Tries
    • Try
      • S(D);CHECK,P_PINP(c)
      • Vars
        • B(g);XS(D)::B(A),XP(c)
      • Refutation
        • K(e);S_FLIGHT,XS(F)
    • Try
      • S(D);CHECK,P_PINP(c)
      • Vars
        • B(g);XS(D)::B(A),XP(c)
      • Refutation
        • K(e);S_FLIGHT,XS(F)
    • Try
      • Q(H);CHECK
      • Vars
        • K(e);OGATE,S_FLIGHT,XS(F)::QAB1(H),XS(d)
      • Refutation
        • P(f);XQ(H)
  • Actual
    • Q(H);
    • Vars
      • K(e);S_FLIGHT,XS(F)::QAB1(H),XS(d)
      • B(a);N_GUARD,XP(B)::QAB1(H)
      • P(c);XQ(H)::B(A)+S(D),DCHECK
      • P(c);OGATE,P_SPINP(c),XS(D)::B(A),XP(c)
      • B(g);::QAB(H),XP(c)
      • B(a);N_GUARD::QAB1(H),XB(a)
      • S(d);SBLOCK::S(F)
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