MESON Chess Problem Database

Problem Display
PID: 144133 (1B1Q4/8/3NP1p1/2p1k1rb/1n1R1p2/4b3/6Bn/1K2N3 w - - 0 1)

Lindquist, Carl Emil Richard

Tidskrift for Schack, 1915

1B1Q4/8/3NP1p1/2p1k1rb/1n1R1p2/4b3/6Bn/1K2N3

#2

8 + 9

14868 Pirnie Collection 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Sd5
      • 2.Re4#
  • Tries
    • 1.Se4+?
      • 1...Kxe6
        • 2.Qf6#
        • 2.Qd7#
      • 1...Kf5!
    • 1.Se8+?
      • 1...Kxe6
        • 2.Qf6#
        • 2.Qd7#
      • 1...Kf5!
    • 1.Qxg5+?
      • 1...Kxd4
        • 2.Qf6#
      • 1...Kxe6!
  • Keys
    • 1.Bd5!
      • threat
        • 2.Qh8#
      • 1...Kxd4
        • 2.Sb5#
      • 1...Bxd4
        • 2.Qxg5#
      • 1...Sxd5
        • 2.Re4#
      • 1...cxd4
        • 2.Qxg5#
      • 1...Rf5
        • 2.Sb5#
      • 1...Sg4
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • S(c);SBLOCK::R1(D)
  • Tries
    • Try
      • S(E);CHECK
      • Refutation
        • K(f);P-FLIGHT
    • Try
      • S(E);CHECK
      • Refutation
        • K(f);P-FLIGHT
    • Try
      • Q(H);CHECK,XR(g)
      • Vars
        • K(f);S_FLIGHT,XR(D)::QAB(H)
      • Refutation
        • K(f);P-FLIGHT,XP(F)
  • Actual
    • B(C);
    • Threat
      • QAB(H)
    • Vars
      • K(f);S_FLIGHT,XR(D)::S(E)
      • B(b);SBLOCK,XR(D)::QAR2(H),XR(g)
      • S(c);SBLOCK,XB(C)::R1(D)
      • P(e);SBLOCK,XR(D)::QAR2(H),XR(g)
      • R(g);SBLOCK::B(G)+S(E)
      • S(a);N_GUARD,S_CUTB(h)::S(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).