Problem Display
PID: 92054 (8/8/pB6/r3R3/Q1P5/PBN2p2/4nR2/KN2k3 w - - 0 1)

Velimirovic, Milan

Schach-Echo, 1978

8/8/pB6/r3R3/Q1P5/PBN2p2/4nR2/KN2k3

#2

10 + 5


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Rfxe2+?
      • 1...Kf1
        • 2.Sd2#
      • 1...fxe2!
  • Keys
    • 1.Qb4!
      • threat
        • 2.Sd1#
        • 2.Sa2#
        • 2.Sxe2#
        • 2.Sa4#
        • 2.Sb5#
        • 2.Sd5#
      • 1...Rxa3+
        • 2.Sa2#
      • 1...Rxe5
        • 2.Sxe2#
      • 1...Rc5
        • 2.Sd1#
      • 1...Ra4
        • 2.Sxa4#
      • 1...Rb5
        • 2.Sxb5#
      • 1...Rd5
        • 2.Sxd5#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);CHECK,XS(b)
      • Vars
        • K(a);P-FLIGHT::S(B)
      • Refutation
        • P(c);P_SPINP(c),XR(C)
  • Actual
    • Q(G);P_SPINP(D)
    • Threat
      • DUALS(6)
    • Vars
      • R(d);CHECK,XP(D)::QAB(G)+S(F)
      • R(d);N_PINP(D),N_SPINS(b),XR(I)::QAB(G)+S(F),XS(b)
      • R(d);N_PINP(D)::QAB(G)+S(F)
      • R(d);::QAB(G)+S(F),XR(d)
      • R(d);N_PINP(D)::QAB(G)+S(F),XR(d)


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).