MESON Chess Problem Database

Problem Display
PID: 108380 (4r3/p1R5/4P1p1/2Pk4/r1NN2Q1/8/2R5/5nK1 w - - 0 1)

Halliwell, Ernest

4th Prize, Brighton Society, 1901

4r3/p1R5/4P1p1/2Pk4/r1NN2Q1/8/2R5/5nK1

#2

8 + 6

2634 Good Companions (November) 1916
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qf5+?
      • 1...Kxd4
        • 2.Rd7#
      • 1...gxf5!
  • Keys
    • 1.Sc6!
      • 1...Kxc5
        • 2.Qg5#
      • 1...Rxc4
        • 2.Qxc4#
      • 1...Rxe6
        • 2.Qd4#
      • 1...Ra3
        • 2.Sb4#
      • 1...Ra1
        • 2.Sb4#
      • 1...Ra2
        • 2.Sb4#
      • 1...Rb4
        • 2.Sxb4#
      • 1...Ra5
        • 2.Sb4#
      • 1...Ra6
        • 2.Sb4#
      • 1...Re7
        • 2.Sxe7#
      • 1...Ra8
        • 2.Se7#
      • 1...Rb8
        • 2.Se7#
      • 1...Rc8
        • 2.Se7#
      • 1...Rd8
        • 2.Se7#
      • 1...Rf8
        • 2.Se7#
      • 1...Rg8
        • 2.Se7#
      • 1...Rh8
        • 2.Se7#
      • 1...Sd2
        • 2.Se3#
      • 1...Sh2
        • 2.Se3#
      • 1...Se3
        • 2.Sxe3#
      • 1...Sg3
        • 2.Se3#
      • 1...g5
        • 2.Qf5#
      • 1...a5
        • 2.Sb6#
      • 1...a6
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 24
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);CHECK
      • Vars
        • K(c);P-FLIGHT,XS(D)::R(H)
      • Refutation
        • P(d);XQ(E)
  • Actual
    • S(D);
    • Vars
      • K(c);P-FLIGHT,XP(F)::QAR(E)
      • R(b);OGATE,XS(C)::QAB1(E),XR(b)
      • R(f);SBLOCK,XP(G)::QAR1(E)
      • R(b);N_GUARD::S(D)
      • R(b);N_GUARD::S(D),XR(b)
      • R(f);N_GUARD::S(D),XR(f)
      • R(f);N_GUARD::S(D)
      • S(a);N_GUARD::S(C)
      • S(a);N_GUARD::S(C),XS(a)
      • P(d);N_GUARD::QAR2(E)
      • P(e);N_GUARD::S(C)
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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).