MESON Chess Problem Database

Problem Display
PID: 43662 (7b/N6b/p7/n2p2Q1/1P1k4/2pP4/3R1K2/1BB2n2 w - - 0 1)

Martindale, Frank W

Huddersfield College Magazine, 1877

7b/N6b/p7/n2p2Q1/1P1k4/2pP4/3R1K2/1BB2n2

#2

8 + 8

15 British Chess Magazine 1911

SOLUTION

  • SOUND
  • Sets
    • 1...Bxd3
      • 2.Qf4#
    • 1...Bg8
      • 2.Qf4#
    • 1...Bf6
      • 2.Qxf6#
    • 1...Bg7
      • 2.Qxg7#
    • 1...Sxd2
      • 2.Qe3#
    • 1...Sh2
      • 2.Qe3#
    • 1...Se3
      • 2.Qxe3#
    • 1...Sg3
      • 2.Qe3#
    • 1...Sb3
      • 2.Sc6#
    • 1...Sc4
      • 2.Sc6#
    • 1...Sc6
      • 2.Sxc6#
    • 1...Sb7
      • 2.Sc6#
    • 1...cxd2
      • 2.Bb2#
    • 1...c2
      • 2.Bb2#
  • Tries
    • 1.Qh4+?
      • 1...Be4
        • 2.Qxh8#
      • 1...Ke5!
  • Keys
    • 1.Qh6!
      • 1...Ke5
        • 2.d4#
      • 1...Bxd3
        • 2.Qf4#
      • 1...Sxd2
        • 2.Qe3#
      • 1...cxd2
        • 2.Bb2#
      • 1...c2
        • 2.Bb2#
      • 1...Be4
        • 2.Qxh8#
      • 1...Bf5
        • 2.Qxh8#
      • 1...Bg6
        • 2.Qxh8#
      • 1...Bg8
        • 2.Qf4#
        • 2.Qxh8#
      • 1...Be5
        • 2.Qb6#
      • 1...Bf6
        • 2.Qxf6#
      • 1...Bg7
        • 2.Qxg7#
      • 1...Sh2
        • 2.Qe3#
      • 1...Se3
        • 2.Qxe3#
      • 1...Sg3
        • 2.Qe3#
      • 1...Sb3
        • 2.Sc6#
      • 1...Sc4
        • 2.Sc6#
      • 1...Sc6
        • 2.Sxc6#
      • 1...Sb7
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • B(g);N_GUARD,P_SPINB(g),XP(E)::QAR2(G)
    • B(g);N_GUARD::QAR2(G)
    • B(h);N_GUARD::QAB(G),XB(h)
    • S(a);N_GUARD,XR(C)::QAB1(G)
    • S(a);N_GUARD::QAB1(G)
    • S(a);N_GUARD::QAB1(G),XS(a)
    • S(d);N_GUARD::S(H)
    • S(d);N_GUARD::S(H),XS(d)
    • P(b);OGATEB,XR(C)::B(B)
    • P(b);OGATEB::B(B)
  • Tries
    • Try
      • Q(G);CHECK
      • Vars
        • B(g);OGATE,P_SPINB(g)::QAB(G),XB(h)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • Q(G);
    • Vars
      • K(c);OGATE,S_FLIGHT::P(E)
      • B(g);N_GUARD,P_SPINB(g),XP(E)::QAR2(G)
      • S(a);N_GUARD,XR(C)::QAB1(G)
      • P(b);OGATEB,XR(C)::B(B)
      • P(b);OGATEB::B(B)
      • B(g);OGATE::QAB(G),XB(h)
      • B(h);SBLOCK::QAB(G)
      • B(h);N_GUARD::QAB(G),XB(h)
      • S(a);N_GUARD::QAB1(G)
      • S(a);N_GUARD::QAB1(G),XS(a)
      • S(d);N_GUARD::S(H)
      • S(d);N_GUARD::S(H),XS(d)
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