MESON Chess Problem Database

Problem Display
PID: 154022 (1b3Kb1/1Ppkp2R/2p1p3/2PNR1p1/Q1p4B/1rp4B/8/8 w - - 0 1)

Sorensen, Flemming Rosenberg

Thema Danicum, 1977

1b3Kb1/1Ppkp2R/2p1p3/2PNR1p1/Q1p4B/1rp4B/8/8

#2

9 + 11

SOLUTION

  • SOUND
  • Tries
    • 1.Qxc6+?
      • 1...Kd8
        • 2.Qe8#
      • 1...Kxc6!
  • Keys
    • 1.Sxe7!
      • threat
        • 2.Rd5#
      • 1...Kd8
        • 2.Sxc6#
      • 1...Rb5
        • 2.Qd1#
      • 1...g4
        • 2.Sxg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);CHECK,P_PINP(f),XP(e)
      • Vars
        • K(h);N_SPINP(f),OGATE,P-FLIGHT::QAR1(B)
      • Refutation
        • K(h);N_SPINP(f),S_FLIGHT,XQ(B)
  • Actual
    • S(E);XP(i)
    • Threat
      • R(F)
    • Vars
      • K(h);N_SPINP(e),P-FLIGHT::S(E),XP(e)
      • R(a);N_SPINP(e),OGATE,P_SPINP(f)::QAR(B)
      • P(d);::R(H)+S(E),XB(k)
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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).