MESON Chess Problem Database

Problem Display
PID: 236960 (4b3/K2p4/1p2B3/1k6/R2P4/8/N7/3n3Q w - - 0 1)

Bernard, Henry D'Oyly

The Field, 1901

(First published on Sat Aug 24 1901)

4b3/K2p4/1p2B3/1k6/R2P4/8/N7/3n3Q

#2

6 + 5

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bh5
      • 2.Bxd7#
    • 1...Bg6
      • 2.Bxd7#
    • 1...Bf7
      • 2.Bxd7#
    • 1...Sb2
      • 2.Sc3#
    • 1...Sf2
      • 2.Sc3#
    • 1...Sc3
      • 2.Sxc3#
    • 1...Se3
      • 2.Sc3#
  • Tries
    • 1.Bb3?
      • threat
        • 2.Qd5#
      • 1...d5
        • 2.Qxd5#
      • 1...Sc3
        • 2.Sxc3#
      • 1...Se3
        • 2.Sc3#
      • 1...Bf7!
    • 1.Qf1+?
      • 1...Kxa4
        • 2.Qa6#
      • 1...Kc6!
  • Keys
    • 1.Qa8!
      • 1...Kxa4
        • 2.Kxb6#
      • 1...dxe6
        • 2.Qxe8#
      • 1...Sc3
        • 2.Sxc3#
      • 1...Bh5
        • 2.Bxd7#
      • 1...Bg6
        • 2.Bxd7#
      • 1...Bf7
        • 2.Bxd7#
      • 1...Sb2
        • 2.Sc3#
      • 1...Sf2
        • 2.Sc3#
      • 1...Se3
        • 2.Sc3#
      • 1...d5
        • 2.Qxe8#
      • 1...d6
        • 2.Qxe8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • B(e);N_GUARD::B(E),XP(d)
    • S(a);N_GUARD::S(B)
    • S(a);N_GUARD::S(B),XS(a)
  • Tries
    • Try
      • B(E);
      • Threat
        • QAR2(A)
      • Vars
        • P(d);::QAR2(A),XP(d)
        • S(a);N_GUARD::S(B),XS(a)
        • S(a);N_GUARD::S(B)
      • Refutation
        • B(e);
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);OGATE,S_FLIGHT,XR(C)::QAR2(A)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(b);S_FLIGHT,XR(C)::QAR(A)+K(F),XP(c)
      • P(d);OGATEB,XB(E)::QAB(A),XB(e)
      • S(a);N_GUARD::S(B),XS(a)
      • B(e);N_GUARD::B(E),XP(d)
      • S(a);N_GUARD::S(B)
      • P(d);OGATEB::QAB(A),XB(e)
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).