MESON Chess Problem Database

Problem Display
PID: 141959 (1B6/4N3/2P1p3/1K1P2p1/3kpnP1/6Q1/4P3/8 w - - 0 1)

Lane, Henry Fitzgerald William

Manchester Weekly Times, 1899

(First published on Fri Jan 13 1899)

1B6/4N3/2P1p3/1K1P2p1/3kpnP1/6Q1/4P3/8

#2

8 + 5

14867 BCPS Library 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Sxe2
      • 2.Be5#
      • 2.Ba7#
    • 1...Sg2
      • 2.Be5#
      • 2.Ba7#
    • 1...Sh3
      • 2.Be5#
      • 2.Ba7#
    • 1...Sxd5
      • 2.Be5#
    • 1...Sh5
      • 2.Be5#
      • 2.Ba7#
    • 1...Sg6
      • 2.Ba7#
    • 1...exd5
      • 2.Sf5#
    • 1...e5
      • 2.Ba7#
  • Tries
    • 1.Sf5+?
      • 1...Kxd5
        • 2.Qb3#
      • 1...exf5!
    • 1.Bxf4?
      • threat
        • 2.Be5#
        • 2.Qe3#
      • 1...e3
        • 2.Qxe3#
      • 1...e5
        • 2.Bxe5#
        • 2.Qe3#
      • 1...gxf4!
  • Keys
    • 1.Qe1!
      • 1...Ke3
        • 2.Ba7#
      • 1...Sxe2
        • 2.Qd2#
      • 1...Sxd5
        • 2.Qd2#
      • 1...exd5
        • 2.Sf5#
      • 1...Sg2
        • 2.Qd2#
      • 1...Sd3
        • 2.e3#
      • 1...Sh3
        • 2.Qd2#
      • 1...Sh5
        • 2.Qd2#
      • 1...Sg6
        • 2.Qd2#
      • 1...e3
        • 2.Qb4#
      • 1...e5
        • 2.Ba7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • S(c);XP(E)::B(H)
    • S(c);::B(H)
    • P(e);N_GUARD,SBLOCK,XP(E)::S(G)
    • P(e);SBLOCK::B(H)
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • K(a);P-FLIGHT,XP(E)::QAB(B)
      • Refutation
        • P(e);XS(G)
    • Try
      • B(H);XS(c)
      • Threat
        • DUALS(2)
      • Vars
        • P(b);::QAB1(B),XP(b)
      • Refutation
        • P(d);XB(H)
  • Actual
    • Q(B);
    • Vars
      • K(a);S_FLIGHT::B(H)
      • S(c);N_GUARD,XP(A)::QAR2(B)
      • S(c);N_GUARD,XP(E)::QAR2(B)
      • P(e);N_GUARD,SBLOCK,XP(E)::S(G)
      • S(c);N_GUARD::QAR2(B)
      • S(c);SBLOCK::P(A)
      • P(b);SBLOCK::QAR2(B)
      • P(e);SBLOCK::B(H)
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