MESON Chess Problem Database

Problem Display
PID: 119931 (8/2pp1K2/2Np4/3k4/N3p3/8/2PbB3/7Q w - - 0 1)

Stockman, Curt Sixten Gabriel

Aftonbladet, 1916

8/2pp1K2/2Np4/3k4/N3p3/8/2PbB3/7Q

#2

6 + 6

6490 yacpdb 2009
3713 Snap 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Qh5+?
      • 1...Kxc6
        • 2.Qb5#
      • 1...Bg5!
  • Keys
    • 1.Qh8!
      • threat
        • 2.Se7#
      • 1...Kxc6
        • 2.Qa8#
      • 1...dxc6
        • 2.c4#
      • 1...e3
        • 2.Qh1#
      • 1...Bg5
        • 2.Sb4#

This anticipates 198412(1920)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK,N_PINP(b)
      • Vars
        • K(c);OGATE,S_FLIGHT,XS(E)::QAB1(A)
      • Refutation
        • B(a);P_SPINB(a)
  • Actual
    • Q(A);N_PINP(b)
    • Threat
      • S(E)
    • Vars
      • K(c);OGATEB,S_FLIGHT,XS(E)::QAB(A)
      • P(f);SBLOCK,XS(E)::P(B)
      • P(b);OGATEB::QAB(A)
      • B(a);N_GUARD::S(E)
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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).