MESON Chess Problem Database

Problem Display
PID: 15586 (2Q5/8/5RK1/8/6pk/6n1/8/4N3 w - - 0 1)

Mazin, O

Sp. Prize, Bron MT, 1986

2Q5/8/5RK1/8/6pk/6n1/8/4N3

#2

4 + 3

3296 Shakhmatny zadachi miniaturi 1987

SOLUTION

  • SOUND
  • Tries
    • 1.Sf3+?
      • 1...gxf3
        • 2.Rf4#
      • 1...Kh3!
    • 1.Qc3?
      • 1...Sf1
        • 2.Sg2#
      • 1...Sh1
        • 2.Sg2#
      • 1...Se2
        • 2.Sg2#
      • 1...Se4
        • 2.Sg2#
      • 1...Sf5
        • 2.Sg2#
      • 1...Sh5
        • 2.Sg2#
      • 1...Kh3!
  • Keys
    • 1.Rf3!
      • 1...Kh3
        • 2.Qh8#
      • 1...gxf3
        • 2.Sxf3#
      • 1...Sf1
        • 2.Sg2#
        • 2.Qd8#
        • 2.Qh8#
      • 1...Sh1
        • 2.Sg2#
        • 2.Qd8#
        • 2.Qh8#
      • 1...Se2
        • 2.Sg2#
        • 2.Qd8#
        • 2.Qh8#
      • 1...Se4
        • 2.Sg2#
        • 2.Qh8#
      • 1...Sf5
        • 2.Sg2#
      • 1...Sh5
        • 2.Sg2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);CHECK
      • Vars
        • P(b);XS(A)::R(B)
      • Refutation
        • K(c);P-FLIGHT,P_SPINP(b)
    • Try
      • Q(D);
      • Vars
        • S(a);::S(A)
      • Refutation
        • K(c);P-FLIGHT,P_SPINS(a)
  • Actual
    • R(B);
    • Vars
      • K(c);P-FLIGHT,P_SPINP(b),P_SPINS(a)::QAR(D)
      • P(b);XR(B)::S(A),XP(b)
      • S(a);::S(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).