MESON Chess Problem Database

Problem Display
PID: 149788 (1KB4R/8/3k4/1P3r2/5P2/2N5/b7/Q5B1 w - - 0 1)

de Grandi, Carlo

Troll, 2013

1KB4R/8/3k4/1P3r2/5P2/2N5/b7/Q5B1

#2

8 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Bd5
      • 2.Qa3#
  • Tries
    • 1.Se4+?
      • 1...Kd5
        • 2.Qd4#
      • 1...Ke7!
  • Keys
    • 1.Sd5!
      • threat
        • 2.Rd8#
      • 1...Kxd5
        • 2.Qd4#
      • 1...Rxd5
        • 2.Qf6#
      • 1...Bxd5
        • 2.Qa3#
      • 1...Rf7
        • 2.Qe5#
      • 1...Rf8
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • B(a);OGATE::QAB(A)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(c);P-FLIGHT::QAR1(A)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • S(C);
    • Threat
      • R(H)
    • Vars
      • K(c);OGATEB,P-FLIGHT,XS(C)::QAR1(A)
      • R(b);N_GUARD,SBLOCK,XS(C)::QAR2(A)
      • B(a);OGATE,SBLOCK,XS(C)::QAB(A)
      • R(b);N_GUARD::QAB1(A)
      • R(b);N_GUARD,P_PINB(G)::QAB1(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).