MESON Chess Problem Database

Problem Display
PID: 156508 (2B1K3/8/5R1p/6bp/R2B2nk/8/4QPP1/8 w - - 0 1)

Packer, GFH

Hastings Observer, 1935

(First published on Sat Oct 19 1935)

2B1K3/8/5R1p/6bp/R2B2nk/8/4QPP1/8

#2

8 + 5

15351 SCPF/BCPS Black Books 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Bxf6
      • 2.Bxf6#
    • 1...Sxf2
      • 2.Bxf2#
      • 2.Qxf2#
    • 1...Sh2
      • 2.g3#
    • 1...Se3
      • 2.g3#
    • 1...Se5
      • 2.g3#
    • 1...Sxf6+
      • 2.Bxf6#
  • Tries
    • 1.Rxh6?
      • threat
        • 2.Qxg4#
      • 1...Sf6+
        • 2.Bxf6#
      • 1...Sxf2
        • 2.Bxf2#
        • 2.Qxf2#
      • 1...Sxh6
        • 2.g3#
      • 1...Sh2
        • 2.Rxh5#
        • 2.Qxh5#
        • 2.g3#
      • 1...Se3
        • 2.Rxh5#
        • 2.Qxh5#
        • 2.g3#
      • 1...Se5
        • 2.Rxh5#
        • 2.Qxh5#
        • 2.g3#
      • 1...Bxh6!
  • Keys
    • 1.Qe7!
      • 1...Sxf6+
        • 2.Bxf6#
      • 1...Bxf6
        • 2.Bxf6#
      • 1...Sxf2
        • 2.Bxf2#
      • 1...Bc1
        • 2.Rf4#
      • 1...Bd2
        • 2.Rf4#
      • 1...Be3
        • 2.Rf4#
      • 1...Bf4
        • 2.Rxf4#
      • 1...Sh2
        • 2.g3#
      • 1...Se3
        • 2.g3#
      • 1...Se5
        • 2.g3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • B(c);OGATE,XR(F)::B(E),XB(c)
    • S(a);::P(C)
    • S(a);CHECK,OGATE,XR(F)::R(D)+B(E),XS(a)
  • Tries
    • Try
      • R(F);P_PINP(d),XP(e)
      • Threat
        • QAR1(A),XS(a)
      • Vars
        • S(a);CHECK,OGATEB::R(D)+B(E),XS(a)
        • S(a);N_SPINP(d),XR(F)::P(C)
      • Refutation
        • B(c);N_SPINP(d),XR(F)
  • Actual
    • Q(A);
    • Vars
      • S(a);CHECK,OGATE,XR(F)::R(D)+B(E),XS(a)
      • B(c);OGATE,P_SPINB(c),XR(F)::B(E),XB(c)
      • S(a);OGATE,XP(B)::R(D)+B(E),DCHECK,XS(a)
      • B(c);OGATEB::QAB(A)+R(F)
      • B(c);OGATEB::QAB(A)+R(F),XB(c)
      • S(a);::P(C)
HTML5 logo

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).