MESON Chess Problem Database

Problem Display
PID: 267521 (5n1Q/N2R1Pr1/3p2pn/p2k2N1/Pb1P4/1P1K4/8/1B6 w - - 0 1)

Zenkov, V

Zadachi i Etyudi, 2013

5n1Q/N2R1Pr1/3p2pn/p2k2N1/Pb1P4/1P1K4/8/1B6

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rxf7
      • 2.Qe5#
    • 1...Rh7
      • 2.Qe5#
    • 1...Rg8
      • 2.Qe5#
    • 1...Sg4
      • 2.Qh1#
    • 1...Sf5
      • 2.Qh1#
    • 1...Sxf7
      • 2.Qh1#
    • 1...Sg8
      • 2.Qh1#
    • 1...Se6
      • 2.Qa8#
    • 1...Sxd7
      • 2.Qa8#
    • 1...Sh7
      • 2.Qa8#
  • Tries
    • 1.Se6?
      • threat
        • 2.Sf4#
        • 2.Sc7#
      • 1...Rxf7
        • 2.Sc7#
        • 2.Qe5#
      • 1...Sxe6
        • 2.Qa8#
      • 1...Bd2
        • 2.Sc7#
      • 1...g5
        • 2.Sc7#
      • 1...Kxe6!
  • Keys
    • 1.Ba2!
      • 1...Rxf7
        • 2.Qe5#
      • 1...Sxf7
        • 2.Qh1#
      • 1...Sxd7
        • 2.Qa8#
      • 1...Rh7
        • 2.Qe5#
      • 1...Rg8
        • 2.Qe5#
      • 1...Be1
        • 2.b4#
      • 1...Bd2
        • 2.b4#
      • 1...Ba3
        • 2.b4#
      • 1...Bc3
        • 2.b4#
      • 1...Bc5
        • 2.b4#
      • 1...Sg4
        • 2.Qh1#
      • 1...Sf5
        • 2.Qh1#
      • 1...Sg8
        • 2.Qh1#
      • 1...Se6
        • 2.Qa8#
      • 1...Sh7
        • 2.Qa8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • R(g);OGATE,XP(I)::QAR1(J)
    • R(g);OGATE::QAR1(J)
    • S(f);OGATE::QAB(J)
    • S(f);OGATE,XP(I)::QAB(J)
    • S(h);OGATE::QAB(J)
    • S(h);N_SPINP(d),OGATE,XR(H)::QAB(J)
  • Tries
    • Try
      • S(F);
      • Threat
        • DUALS(2)
      • Vars
        • S(h);OGATE,SBLOCK,XS(F)::QAB(J)
        • B(a);::S(F)
        • P(e);::S(F)
      • Refutation
        • K(c);N_SPINP(d),S_FLIGHT,XS(F)
  • Actual
    • B(A);
    • Vars
      • R(g);OGATE,XP(I)::QAR1(J)
      • S(f);OGATE,XP(I)::QAB(J)
      • S(h);N_SPINP(d),OGATE,XR(H)::QAB(J)
      • R(g);OGATE::QAR1(J)
      • B(a);OGATE::B(A)+P(B)
      • S(f);OGATE::QAB(J)
      • S(h);OGATE::QAB(J)
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).