MESON Chess Problem Database

Problem Display
PID: 150981 (6N1/rp4pK/3P4/4kP2/1N1R3n/1nQB2b1/b2P1prp/8 w - - 0 1)

Winter-Wood, Edward John

Hampstead Express, 1909

(First published on Fri Oct 22 1909)

6N1/rp4pK/3P4/4kP2/1N1R3n/1nQB2b1/b2P1prp/8

#2

9 + 11

15254 EJWW Scrapbook 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Bf4
      • 2.Rd5#
    • 1...b5
      • 2.Sc6#
    • 1...b6
      • 2.Sc6#
  • Tries
    • 1.Rc4+?
      • 1...Sd4
        • 2.Qxd4#
      • 1...Kxd6!
    • 1.Rg4+?
      • 1...Sd4
        • 2.Qxd4#
      • 1...Kxd6!
    • 1.Rxh4+?
      • 1...Sd4
        • 2.Qxd4#
      • 1...Kxd6!
  • Keys
    • 1.Qc7!
      • threat
        • 2.Qxg7#
      • 1...Kxd4
        • 2.Qc3#
      • 1...Sxd4
        • 2.d7#
      • 1...Sxf5
        • 2.Re4#
      • 1...Bf4
        • 2.Rd5#
      • 1...b5
        • 2.Sc6#
      • 1...b6
        • 2.Sc6#
      • 1...g5
        • 2.Qg7#
      • 1...g6
        • 2.Qg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • B(f);SBLOCK::QAB(B)+R(E),DCHECK
    • P(j);N_GUARD::S(D)
  • Tries
    • Try
      • R(E);CHECK
      • Vars
        • S(e);N_GUARD,P_SPINS(e)::QAB1(B),XS(e)
      • Refutation
        • K(h);S_FLIGHT,XP(G)
    • Try
      • R(E);CHECK
      • Vars
        • S(e);N_GUARD,P_SPINS(e)::QAB1(B),XS(e)
      • Refutation
        • K(h);S_FLIGHT,XP(G)
    • Try
      • R(E);CHECK,XS(g)
      • Vars
        • S(e);N_GUARD,P_SPINS(e)::QAB1(B),XS(e)
      • Refutation
        • K(h);S_FLIGHT,XP(G)
  • Actual
    • Q(B);
    • Threat
      • QAB(B),XP(k)
    • Vars
      • K(h);OGATEB,S_FLIGHT,XR(E)::QAB1(B)
      • S(e);SBLOCK,XR(E)::QAB(B)+P(G)
      • S(g);SBLOCK,XP(F)::R1(E)
      • B(f);SBLOCK::R1(E)
      • P(j);N_GUARD::S(D)
      • P(k);::QAB(B)
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).