MESON Chess Problem Database

Problem Display
PID: 66594 (6K1/8/1p2N3/1P3R2/2n1kpP1/b2p4/2n2PP1/1Q6 w - - 0 1)

Gleave, Walter

British Chess Magazine, 1889

6K1/8/1p2N3/1P3R2/2n1kpP1/b2p4/2n2PP1/1Q6

#2

8 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...S2e3
      • 2.f3#
    • 1...Sd4
      • 2.Sg5#
    • 1...S4e3
      • 2.f3#
    • 1...d2
      • 2.Qxc2#
    • 1...f3
      • 2.gxf3#
  • Tries
    • 1.Qe1+?
      • 1...S2e3
        • 2.f3#
      • 1...S4e3
        • 2.f3#
      • 1...Sxe1!
  • Keys
    • 1.Qa2!
      • 1...d2
        • 2.Qxc2#
      • 1...Bc1
        • 2.Qa8#
      • 1...Bb2
        • 2.Qa8#
      • 1...Bb4
        • 2.Qa8#
      • 1...Bc5
        • 2.Qa8#
      • 1...Bd6
        • 2.Qa8#
      • 1...Be7
        • 2.Qa8#
      • 1...Bf8
        • 2.Qa8#
      • 1...Sa1
        • 2.Qxc4#
      • 1...Se1
        • 2.Qxc4#
      • 1...S2e3
        • 2.f3#
      • 1...Sb4
        • 2.Qxc4#
      • 1...Sd4
        • 2.Sg5#
      • 1...Sb2
        • 2.Qd5#
      • 1...Sd2
        • 2.Qd5#
      • 1...S4e3
        • 2.f3#
      • 1...Sa5
        • 2.Qd5#
      • 1...Se5
        • 2.Rxf4#
      • 1...Sd6
        • 2.Qd5#
      • 1...f3
        • 2.gxf3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 15
    • REMOVED MATES = 0
  • Sets
    • S(a);P_SPINP(c),SBLOCK::P(B)
    • S(a);P_SPINP(c),SBLOCK::S(G)
    • S(d);SBLOCK::P(B)
    • P(c);OGATEB,P_SPINS(a)::QAB(A),XS(a)
    • P(f);OGATE::P(C),XP(f)
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • S(a);P_SPINS(a)::P(B)
        • S(d);P_SPINS(d)::P(B)
      • Refutation
        • S(a);XQ(A)
  • Actual
    • Q(A);
    • Vars
      • P(c);OGATEB::QAB(A),XS(a)
      • B(b);OGATE::QAB(A)
      • S(a);N_GUARD::QAR2(A),XS(d)
      • S(a);SBLOCK::P(B)
      • S(a);SBLOCK::S(G)
      • S(d);OGATE::QAB1(A)
      • S(d);SBLOCK::P(B)
      • S(d);SBLOCK::R1(F),XP(f)
      • P(f);OGATE::P(C),XP(f)
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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).