MESON Chess Problem Database

Problem Display
PID: 271069 (1b6/3p4/1N1P4/2n1N3/3kpQ2/r6p/1P5K/2B5 w - - 0 1)

Westbury, Eric Ernest

Birmingham Weekly Post, 1902

1b6/3p4/1N1P4/2n1N3/3kpQ2/r6p/1P5K/2B5

#2

7 + 7

17417 Westbury Scrapbooks 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Be3#
    • 1...Ra2
      • 2.Be3#
    • 1...Re3
      • 2.Bxe3#
    • 1...Ra4
      • 2.Be3#
    • 1...Ra5
      • 2.Be3#
    • 1...Ra6
      • 2.Be3#
    • 1...Ra7
      • 2.Be3#
    • 1...Ra8
      • 2.Be3#
    • 1...Sb3
      • 2.Be3#
    • 1...Sd3
      • 2.Be3#
  • Tries
    • 1.Sf3+?
      • 1...Kd3
        • 2.Qd2#
      • 1...Rxf3!
    • 1.Sc6+?
      • 1...Kd3
        • 2.Qd2#
      • 1...dxc6!
  • Keys
    • 1.Sd3!
      • threat
        • 2.Qe3#
      • 1...Kxd3
        • 2.Qd2#
      • 1...Rxd3
        • 2.Qf6#
      • 1...Bxd6
        • 2.Qxd6#
      • 1...Sxd3
        • 2.Be3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 9
  • Sets
    • R(a);N_GUARD::B(A)
    • R(a);N_GUARD,P_PINP(B)::B(A)
    • R(a);N_GUARD::B(A),XR(a)
    • S(e);S_CUTR(a)::B(A)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(c);N_SPINP(d),P-FLIGHT::QAR1(D)
      • Refutation
        • R(a);XS(E)
    • Try
      • S(E);CHECK
      • Vars
        • K(c);N_SPINP(d),P-FLIGHT::QAR1(D)
      • Refutation
        • P(f);XS(E)
  • Actual
    • S(E);
    • Threat
      • QAB1(D)
    • Vars
      • K(c);N_SPINP(d),OGATEB,P-FLIGHT,XS(E)::QAR1(D)
      • R(a);SBLOCK,XS(E)::QAB(D)
      • B(g);OGATE,P_PINQ(D),XP(G)::QAR2(D),XB(g)
      • S(e);SBLOCK,XS(E)::B(A)
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).