MESON Chess Problem Database

Problem Display
PID: 110336 (6Q1/8/4n3/2N1pN2/4B3/4p3/PP2R2p/k3K2R w - - 0 1)

Mlynka, Karol

Vecherni Kharkov, 1982

6Q1/8/4n3/2N1pN2/4B3/4p3/PP2R2p/k3K2R

#2

9 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kxa2
      • 2.Qa8#
  • Tries
    • 1.Kd1?
      • 1...Kxa2
        • 2.Qa8#
      • 1...Sxc5
        • 2.Kc2#
      • 1...Sf4
        • 2.Kc2#
      • 1...Sg5
        • 2.Kc2#
      • 1...Sc7
        • 2.Kc2#
      • 1...Sg7
        • 2.Kc2#
      • 1...Sd8
        • 2.Kc2#
      • 1...Sf8
        • 2.Kc2#
      • 1...Sd4!
    • 1.Kf1?
      • 1...Kxa2
        • 2.Qa8#
      • 1...Sxc5
        • 2.Kg2#
      • 1...Sd4
        • 2.Kg2#
      • 1...Sg5
        • 2.Kg2#
      • 1...Sc7
        • 2.Kg2#
      • 1...Sg7
        • 2.Kg2#
      • 1...Sd8
        • 2.Kg2#
      • 1...Sf8
        • 2.Kg2#
      • 1...Sf4!
  • Keys
    • 1.Sxe3!
      • 1...Kxa2
        • 2.Qa8#
      • 1...Sxc5
        • 2.Kf2#
      • 1...Sd4
        • 2.Kf2#
      • 1...Sf4
        • 2.Kf2#
      • 1...Sg5
        • 2.Kf2#
      • 1...Sc7
        • 2.Kf2#
      • 1...Sg7
        • 2.Kf2#
      • 1...Sd8
        • 2.Kf2#
      • 1...Sf8
        • 2.Kf2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • K(a);OGATEB,P-FLIGHT,P_SPINS(e),XP(C)::QAR(I)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(a);OGATEB,P-FLIGHT,P_SPINS(e),XP(C)::QAR(I)
        • S(e);XS(G)::R(B)+K(A)
        • S(e);::R(B)+K(A)
      • Refutation
        • S(e);
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(a);OGATEB,P-FLIGHT,P_SPINS(e),XP(C)::QAR(I)
        • S(e);XS(G)::R(B)+K(A)
        • S(e);::R(B)+K(A)
      • Refutation
        • S(e);
  • Actual
    • S(H);XP(c)
    • Vars
      • K(a);OGATEB,P-FLIGHT,P_SPINS(e),XP(C)::QAR(I)
      • S(e);XS(G)::R(B)+K(A)
      • S(e);::R(B)+K(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).