MESON Chess Problem Database

Problem Display
PID: 21109 (4B2K/4p1Q1/R7/2k5/1p3N2/2b2n2/bN6/2R5 w - - 0 1)

Heathcote, Godfrey

Hampshire Telegraph and Post, 1916

(First published on Fri Feb 11 1916)

4B2K/4p1Q1/R7/2k5/1p3N2/2b2n2/bN6/2R5

#2

7 + 6

3360 Simple Two-move Themes 1924
5501 Chess Cameos 1936
14868 Pirnie Collection 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Bc4
      • 2.Sa4#
    • 1...Bd5
      • 2.Sfd3#
    • 1...Sd4
      • 2.Qxe7#
    • 1...Se5
      • 2.Qg1#
    • 1...b3
      • 2.Qxc3#
    • 1...e5
      • 2.Qa7#
  • Tries
    • 1.Rxc3+?
      • 1...Bc4
        • 2.Sbd3#
        • 2.Sa4#
        • 2.Rxc4#
      • 1...bxc3!
    • 1.Qxc3+?
      • 1...Bc4
        • 2.Sbd3#
        • 2.Sa4#
        • 2.Qxc4#
      • 1...bxc3!
    • 1.Qe5+?
      • 1...Bd5
        • 2.Sfd3#
        • 2.Se6#
      • 1...Sxe5!
  • Keys
    • 1.Ba4!
      • threat
        • 2.Rc6#
      • 1...Se5
        • 2.Qg1#
      • 1...b3
        • 2.Qxc3#
      • 1...e5
        • 2.Qa7#
      • 1...Bd5
        • 2.Sfd3#
      • 1...Sd4
        • 2.Qxe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • B(a);N_SPINB(b),SBLOCK::S(B)
    • B(a);SBLOCK::S(C)
    • S(c);N_PINQ(E),SBLOCK::QAB(E),XP(f)
    • S(c);N_PINQ(E)::QAB(E)
    • P(d);N_GUARD,S_CUTB(a)::QAR2(E),XB(b)
    • P(f);N_PINQ(E)::QAB(E)
  • Tries
    • Try
      • R(A);CHECK,N_SPINQ(E),XB(b)
      • Refutation
        • P(d);XR(A)
    • Try
      • Q(E);CHECK,N_SPINQ(E),XB(b)
      • Refutation
        • P(d);P_SPINP(d),XQ(E)
    • Try
      • Q(E);CHECK
      • Refutation
        • S(c);XQ(E)
  • Actual
    • B(F);
    • Threat
      • R1(D)
    • Vars
      • S(c);N_PINQ(E)::QAB(E)
      • P(d);N_GUARD,S_CUTB(a)::QAR2(E),XB(b)
      • P(f);N_PINQ(E)::QAB(E)
      • B(a);SBLOCK::S(C)
      • S(c);N_PINQ(E),SBLOCK::QAB(E),XP(f)
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).