MESON Chess Problem Database

Problem Display
PID: 141786 (K7/6R1/2P1pp2/6P1/RN2bk2/5N2/5BQb/2n5 w - - 0 1)

Lane, Henry Fitzgerald William

Birmingham Weekly Post, 1898

(First published on Sat Jul 30 1898)

K7/6R1/2P1pp2/6P1/RN2bk2/5N2/5BQb/2n5

#2

9 + 6

14867 BCPS Library 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Bf5
      • 2.Sd3#
      • 2.Sd5#
  • Tries
    • 1.Sd3+?
      • 1...Kf5
        • 2.Sd4#
        • 2.Sh4#
        • 2.Qh3#
      • 1...Sxd3!
    • 1.Sd5+?
      • 1...Kf5
        • 2.Qh3#
      • 1...exd5!
    • 1.Be3+?
      • 1...Kf5
        • 2.Qh3#
      • 1...Kxe3!
    • 1.Qg3+?
      • 1...Kf5
        • 2.Sd4#
        • 2.Sh4#
      • 1...Bxg3!
  • Keys
    • 1.Sh4!
      • 1...Bxc6+
        • 2.Sxc6#
      • 1...Ke5
        • 2.Qxh2#
      • 1...Bxg2
        • 2.Sd3#
      • 1...fxg5
        • 2.Qxg5#
      • 1...Bg3
        • 2.Qxg3#
      • 1...Bf3
        • 2.Sd3#
      • 1...Bg1
        • 2.Qg3#
      • 1...Bb1
        • 2.Sd3#
      • 1...Bc2
        • 2.Sd3#
      • 1...Bd3
        • 2.Sxd3#
      • 1...Bd5
        • 2.Sd3#
      • 1...Bf5
        • 2.Sd3#
      • 1...Bg6
        • 2.Sd3#
      • 1...Bh7
        • 2.Sd3#
      • 1...Sa2
        • 2.Sd3#
      • 1...Se2
        • 2.Sd3#
      • 1...Sb3
        • 2.Sd3#
      • 1...Sd3
        • 2.Sxd3#
      • 1...e5
        • 2.Sd5#
      • 1...f5
        • 2.Sg6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 20
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);CHECK,P_PINB(c)
      • Refutation
        • S(a);XS(E)
    • Try
      • S(E);CHECK,N_SPINP(G),P_PINB(c)
      • Vars
        • K(d);N_SPINB(c),P-FLIGHT::QAB(B)
      • Refutation
        • P(e);XS(E)
    • Try
      • B(A);CHECK
      • Vars
        • K(d);P-FLIGHT::QAB(B)
      • Refutation
        • K(d);S_FLIGHT,XB(A)
    • Try
      • Q(B);CHECK
      • Refutation
        • B(b);XQ(B)
  • Actual
    • S(C);
    • Vars
      • B(c);CHECK,XP(G)::R(D)+S(E),XB(c)
      • K(d);S_FLIGHT::QAB(B),XB(b)
      • B(c);XQ(B)::R(D)+S(E),DCHECK
      • P(f);OGATE,XP(F)::QAB1(B),XP(f)
      • B(b);N_GUARD::QAB1(B),XB(b)
      • B(c);::R(D)+S(E),DCHECK
      • B(b);N_GUARD::QAB1(B)
      • B(c);N_PINP(G)::R(D)+S(E),DCHECK
      • B(c);N_PINP(G)::R(D)+S(E),DCHECK,XB(c)
      • S(a);N_GUARD::S(E)
      • S(a);N_GUARD::S(E),XS(a)
      • P(e);N_GUARD,SBLOCK::S(E)
      • P(f);SBLOCK,S_CUTB(c)::S(C)
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