Problem Display
PID: 58131 (4K3/p7/2ppQ1p1/1R2n3/1r2Nk1P/r3qp1p/3B4/1Bb2Nn1 w - - 0 1)

Marysko, Milos

Chess Life, 1958

4K3/p7/2ppQ1p1/1R2n3/1r2Nk1P/r3qp1p/3B4/1Bb2Nn1

#2

8 + 13


SOLUTION


  • SOUND
  • Tries
    • 1.Qxe5+?
      • 1...Kg4
        • 2.Qg3#
      • 1...dxe5!
  • Keys
    • 1.Sf2!
      • threat
        • 2.Qf6#
      • 1...Sd3
        • 2.Qxe3#
      • 1...Sc4
        • 2.Qe4#
      • 1...Sg4
        • 2.Rxb4#
      • 1...Sd7
        • 2.Rxb4#
      • 1...Sf7
        • 2.Rxb4#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(G);CHECK,XS(i)
      • Vars
        • K(h);N_SPINQ(d),OGATE,P-FLIGHT::QAR1(G)
      • Refutation
        • P(k);XQ(G)
  • Actual
    • S(D);
    • Threat
      • QAR2(G)
    • Vars
      • S(i);OGATE,P_PINQ(G)::QAB1(G),XQ(d)
      • S(i);OGATE,P_PINQ(G)::QAR1(G)
      • S(i);N_GUARD,P_PINQ(G)::R(F),XR(g)


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).