MESON Chess Problem Database

Problem Display
PID: 180532 (5K2/5Q2/2P5/1BP1pPN1/2PNqP2/1PpkBR2/2p1pP2/8 w - - 0 1)

Lider, Valentin Viktorovich

Comm., Revista Romana de Sah, 1978-07

5K2/5Q2/2P5/1BP1pPN1/2PNqP2/1PpkBR2/2p1pP2/8

#2

14 + 6

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Qd5
      • 2.cxd5#
  • Keys
    • 1.Qd5!
      • threat
        • 2.Qxe4#
      • 1...Qxf5+
        • 2.Sxf5#
      • 1...Qxf3
        • 2.Sdxf3#
      • 1...Qxd5
        • 2.cxd5#
      • 1...Qxe3
        • 2.Sde6#
      • 1...Qxd4
        • 2.Bc1#
      • 1...Qxf4
        • 2.Bxf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • Q(e);OGATE::B(H)+P(E),XQ(e)
  • Actual
    • Q(M);
    • Threat
      • QAB1(M),XQ(e)
    • Vars
      • Q(e);CHECK,XP(J)::QAR(M)+S(F),XQ(e)
      • Q(e);XR(D)::QAR(M)+S(F),XQ(e)
      • Q(e);OGATE,XQ(M)::B(H)+P(E),XQ(e)
      • Q(e);N_GUARD,P_SPINQ(e),XB(C)::QAR(M)+S(F)
      • Q(e);N_GUARD,P_SPINQ(e),XS(F)::R(D)+B(C)
      • Q(e);OGATE,P_PINP(J),XP(G)::R(D)+B(C),XQ(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).