MESON Chess Problem Database

Problem Display
PID: 80732 (8/8/8/8/4K3/8/2p2N2/2RN2kB w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

Baku, 1989

8/8/8/8/4K3/8/2p2N2/2RN2kB

#2

5 + 2

SOLUTION

  • SOUND
  • Keys
    • 1.Sg4!
      • threat
        • 2.Sb2#
        • 2.Sdf2#
        • 2.Sc3#
        • 2.Sde3#
      • 1...Kf1
        • 2.Sc3#
      • 1...Kxh1
        • 2.Sde3#
      • 1...cxd1Q
        • 2.Rxd1#
      • 1...cxd1S
        • 2.Rxd1#
      • 1...cxd1B
        • 2.Rxd1#
      • 1...cxd1R
        • 2.Rxd1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(D);
    • Threat
      • DUALS(4)
    • Vars
      • K(a);P-FLIGHT::R(A)+S(B)
      • K(a);P-FLIGHT,XB(C)::R(A)+S(B)
      • P(b);OGATE,P_SPINQ(b),XS(B)::R(A),XQ(b)
      • P(b);OGATE,P_SPINS(b),XS(B)::R(A),XS(b)
      • P(b);OGATE,P_SPINB(b),XS(B)::R(A),XB(b)
      • P(b);OGATE,P_SPINR(b),XS(B)::R(A),XR(b)
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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).