MESON Chess Problem Database

Problem Display
PID: 181907 (1B5b/7P/R2N1kB1/4N3/2P5/5bK1/5R2/Q7 w - - 0 1)

Barry, Henry William

American Chess Bulletin, 1905

1B5b/7P/R2N1kB1/4N3/2P5/5bK1/5R2/Q7

#2

10 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kg5
      • 2.Sdf7#
  • Tries
    • 1.Sf5+?
      • 1...Kg5
        • 2.Sxf3#
        • 2.Sf7#
        • 2.Qc1#
      • 1...Bc6!
    • 1.Sb7+?
      • 1...Kg5
        • 2.Sf7#
        • 2.Qc1#
      • 1...Ke7
        • 2.Qa3#
      • 1...Kg7!
    • 1.Sdf7+?
      • 1...Kg7
        • 2.Sd7#
      • 1...Ke7!
    • 1.Sc8+?
      • 1...Kg5
        • 2.Sf7#
        • 2.Qc1#
      • 1...Kg7!
    • 1.Se8+?
      • 1...Kg5
        • 2.Sf7#
        • 2.Qc1#
      • 1...Ke7!
  • Keys
    • 1.Qa3!
      • 1...Kxe5
        • 2.Sb5#
      • 1...Kg5
        • 2.Sdf7#
      • 1...Ke6
        • 2.Se4#
      • 1...Ke7
        • 2.Sb7#
      • 1...Kg7
        • 2.Sf5#
      • 1...Bg7
        • 2.Se4#
        • 2.Sdf7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(b);N_SPINB(a),S_FLIGHT::S(G)
  • Tries
    • Try
      • S(G);CHECK,N_PINB(a)
      • Refutation
        • B(a);P_SPINB(a)
    • Try
      • S(G);CHECK
      • Vars
        • K(b);N_SPINB(a),S_FLIGHT::QAB(A)
      • Refutation
        • K(b);N_SPINB(a),S_FLIGHT
    • Try
      • S(G);CHECK
      • Vars
        • K(b);N_SPINB(a),S_FLIGHT::QAB(A)+S(E)
      • Refutation
        • K(b);N_SPINB(a),S_FLIGHT
    • Try
      • S(G);CHECK
      • Refutation
        • K(b);N_SPINB(a),S_FLIGHT
    • Try
      • S(G);CHECK
      • Refutation
        • K(b);N_SPINB(a),S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(b);N_SPINB(a),S_FLIGHT,XS(E)::B(J)+S(G)
      • K(b);N_SPINB(a),S_FLIGHT::S(G)
      • K(b);N_SPINB(a),P-FLIGHT::R(F)+S(G)
      • K(b);N_SPINB(a),S_FLIGHT::QAB(A)+S(G)
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).