Problem Display
PID: 97291 (2QN4/6n1/pr1P1B2/p2k4/P3ppR1/3p4/3N1P2/5B1K w - - 0 1)

Stubbs, Charles Francis

Globe Problem And Solution Ty. , 1888

2QN4/6n1/pr1P1B2/p2k4/P3ppR1/3p4/3N1P2/5B1K

#2

10 + 8


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Rb1
      • 2.Qc6#
    • 1...Rb2
      • 2.Qc6#
    • 1...Rb3
      • 2.Qc6#
    • 1...Rb4
      • 2.Qc6#
    • 1...Rb5
      • 2.Qc6#
    • 1...Rc6
      • 2.Qxc6#
    • 1...Rxd6
      • 2.Qc4#
    • 1...Rb7
      • 2.Qc6#
    • 1...Rb8
      • 2.Qc6#
  • Tries
    • 1.Rg5+?
      • 1...Kxd6
        • 2.Sc4#
        • 2.Sxe4#
        • 2.Sf7#
      • 1...Sf5!
    • 1.Qc3?
      • threat
        • 2.Qd4#
        • 2.Qe5#
      • 1...Sf5
        • 2.Qe5#
      • 1...Rb4
        • 2.Qe5#
        • 2.Qc6#
      • 1...Se6
        • 2.Qe5#
      • 1...Kxd6!
  • Keys
    • 1.Sxe4!
      • 1...Kxe4
        • 2.Bg2#
      • 1...Rxd6
        • 2.Sc3#
      • 1...Rc6
        • 2.Qxc6#
      • 1...Sf5
        • 2.Qe6#
      • 1...Rb1
        • 2.Qc6#
      • 1...Rb2
        • 2.Qc6#
      • 1...Rb3
        • 2.Qc6#
      • 1...Rb4
        • 2.Qc6#
      • 1...Rb5
        • 2.Qc6#
      • 1...Rb7
        • 2.Qc6#
      • 1...Rb8
        • 2.Qc6#
      • 1...Sh5
        • 2.Qe6#
      • 1...Se6
        • 2.Qxe6#
      • 1...Se8
        • 2.Qe6#
      • 1...d2
        • 2.Qc4#
      • 1...f3
        • 2.Qc5#

There are these versions: 2705

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • R(g);N_GUARD,P_PINB(A)::QAB1(I)
    • R(g);N_GUARD::QAB1(I)
    • R(g);N_GUARD::QAB1(I),XR(g)
    • R(g);SBLOCK,XP(G)::QAB1(I)
  • Tries
    • Try
      • R(F);CHECK
      • Refutation
        • S(h);P_SPINS(h)
    • Try
      • Q(I);
      • Threat
        • DUALS(2)
      • Vars
        • S(h);::QAR1(I)
      • Refutation
        • K(e);P-FLIGHT,XP(G)
  • Actual
    • S(C);XP(b)
    • Vars
      • K(e);OGATEB,P_SPINP(c),S_FLIGHT,XS(C)::B(A)
      • R(g);SBLOCK,XP(G)::S(C)
      • R(g);N_GUARD::QAB1(I),XR(g)
      • S(h);N_GUARD::QAB1(I)
      • R(g);N_GUARD,P_PINB(A)::QAB1(I)
      • R(g);N_GUARD::QAB1(I)
      • S(h);N_GUARD::QAB1(I),XS(h)
      • P(a);::QAB1(I)
      • P(c);::QAR1(I)


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).