MESON Chess Problem Database

Problem Display
PID: 179546 (5B2/Kp1p1r1p/5k2/2p1N2P/2B1P3/Q2N2R1/5q2/3n1Rb1 w - - 0 1)

Masek, Zdenek

diagrammes, 1974

5B2/Kp1p1r1p/5k2/2p1N2P/2B1P3/Q2N2R1/5q2/3n1Rb1

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Qf3
      • 2.Rfxf3#
    • 1...Qf4
      • 2.Rxf4#
    • 1...Qf5
      • 2.Rxf5#
    • 1...h6
      • 2.Rg6#
  • Keys
    • 1.Qxc5!
      • threat
        • 2.Sg4#
      • 1...Rxf8
        • 2.Sxd7#
      • 1...d5
        • 2.Qb6#
      • 1...Qf5
        • 2.Rxf5#
      • 1...Rg7
        • 2.Bxg7#
      • 1...Se3
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 3
  • Sets
    • Q(c);OGATE::R(A),XQ(c)
    • Q(c);OGATE::R1(A),XQ(c)
    • P(i);N_GUARD::R1(D)
  • Actual
    • Q(B);P_SPINQ(B),XP(d)
    • Threat
      • S(G)
    • Vars
      • R(h);N_GUARD,XB(J)::S(G),XP(g)
      • P(g);N_GUARD::QAR(B)
      • Q(c);OGATE::R1(A),XQ(c)
      • R(h);N_GUARD::B(J),XR(h)
      • S(a);N_PINQ(B)::QAR2(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).