MESON Chess Problem Database

Problem Display
PID: 10848 (6R1/8/3K2pN/6k1/Q5N1/8/8/8 w - - 0 1)

Pustovoi, Boris

Feledvanykedvelok Lapja, 1969

6R1/8/3K2pN/6k1/Q5N1/8/8/8

#2

5 + 2

3296 Shakhmatny zadachi miniaturi 1987

SOLUTION

  • SOUND
  • Tries
    • 1.Sf2?
      • 1...Kf6
        • 2.Se4#
        • 2.Qf4#
      • 1...Kxh6
        • 2.Qh4#
      • 1...Kh5!
    • 1.Sh2?
      • 1...Kf6
        • 2.Qf4#
      • 1...Kxh6
        • 2.Qh4#
      • 1...Kh5!
    • 1.Se3?
      • 1...Kf6
        • 2.Qf4#
      • 1...Kxh6
        • 2.Qh4#
      • 1...Kh5!
    • 1.Se5?
      • 1...Kf6
        • 2.Rxg6#
        • 2.Qf4#
      • 1...Kxh6
        • 2.Qh4#
      • 1...Kh5!
    • 1.Rh8?
      • 1...Kh5
        • 2.Sf7#
      • 1...Kh4!
  • Keys
    • 1.Sf6!
      • 1...Kxf6
        • 2.Qf4#
      • 1...Kxh6
        • 2.Qh4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Vars
        • K(a);N_SPINP(b),S_FLIGHT,XS(D)::QAR2(A)
      • Refutation
        • K(a);N_SPINP(b),P-FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);N_SPINP(b),S_FLIGHT::QAR2(A)
        • K(a);N_SPINP(b),S_FLIGHT,XS(D)::QAR2(A)
      • Refutation
        • K(a);N_SPINP(b),P-FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);N_SPINP(b),S_FLIGHT::QAR2(A)
        • K(a);N_SPINP(b),S_FLIGHT,XS(D)::QAR2(A)
      • Refutation
        • K(a);N_SPINP(b),P-FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);N_SPINP(b),S_FLIGHT,XS(D)::QAR2(A)
      • Refutation
        • K(a);N_SPINP(b),P-FLIGHT
    • Try
      • R(E);N_PINP(b)
      • Vars
        • K(a);P-FLIGHT::R(E)+S(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(B);
    • Vars
      • K(a);N_SPINP(b),S_FLIGHT,XS(B)::QAR2(A)
      • K(a);N_SPINP(b),S_FLIGHT,XS(D)::QAR2(A)
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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).