MESON Chess Problem Database

Problem Display
PID: 270581 (8/1p6/4N3/1p3R2/1P2kPPK/3np3/4Q3/7b w - - 0 1)

Westbury, Eric Ernest

Birmingham Daily Post, 1899

8/1p6/4N3/1p3R2/1P2kPPK/3np3/4Q3/7b

#2

7 + 6

17417 Westbury Scrapbooks 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Bg2
      • 2.Qxg2#
    • 1...Sc1
      • 2.Re5#
    • 1...Se1
      • 2.Re5#
    • 1...Sb2
      • 2.Re5#
    • 1...Sf2
      • 2.Re5#
    • 1...Sxb4
      • 2.Re5#
    • 1...Sc5
      • 2.Re5#
    • 1...Se5
      • 2.Rxe5#
  • Tries
    • 1.Sc5+?
      • 1...Kd4
        • 2.Qxd3#
      • 1...Sxc5!
  • Keys
    • 1.Qc2!
      • 1...Kf3
        • 2.Sg5#
      • 1...e2
        • 2.Qxe2#
      • 1...Bf3
        • 2.Re5#
      • 1...Bg2
        • 2.Qxg2#
      • 1...b6
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 7
  • Sets
    • B(a);N_GUARD::QAB(A),XB(a)
    • S(b);N_GUARD::R1(F)
    • S(b);N_GUARD,XP(B)::R1(F)
    • S(b);N_GUARD::R1(F),XS(b)
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • K(d);N_GUARD,N_SPINP(c),P-FLIGHT::QAR1(A),XS(b)
      • Refutation
        • S(b);XS(G)
  • Actual
    • Q(A);N_PINP(c),P_PINS(b)
    • Vars
      • K(d);N_GUARD,N_SPINS(b),S_FLIGHT::S(G)
      • P(c);OGATEB::QAR2(A),XP(c)
      • B(a);SBLOCK::R1(F)
      • B(a);N_GUARD::QAB(A),XB(a)
      • P(f);N_GUARD::QAB(A)
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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).