Problem Display
PID: 99041 (3R4/2B3K1/1P1Pkp2/1Pnpp1P1/2N2pP1/2PpNP2/B7/4R3 w - - 0 1)

Benedek, Attila

1st Prize, Lindner-80 JT, 1997

3R4/2B3K1/1P1Pkp2/1Pnpp1P1/2N2pP1/2PpNP2/B7/4R3

#2

14 + 7


14674 Attila Benedek - That's All 2007
6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Sd7
      • 2.Re8#
    • 1...dxc4
      • 2.Bxc4#
    • 1...f5
      • 2.gxf5#
  • Tries
    • 1.Sg2?
      • threat
        • 2.Sxf4#
      • 1...fxg5
        • 2.Rxe5#
      • 1...Se4!
    • 1.Sxd5?
      • threat
        • 2.Sxf4#
      • 1...Kxd5
        • 2.Se3#
      • 1...fxg5
        • 2.Rxe5#
      • 1...Se4!
  • Keys
    • 1.Sxe5!
      • threat
        • 2.Re8#
      • 1...Kxe5
        • 2.Sc4#
      • 1...fxe5
        • 2.Bxd5#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • S(c);SBLOCK::R(N)
    • P(d);OGATE,P_SPINP(d),XS(F)::B(B),XP(d)
    • P(g);OGATE::P(G),XP(g)
  • Tries
    • Try
      • S(D);P_PINP(e)
      • Threat
        • S(D),XP(b)
      • Vars
        • P(g);N_GUARD,XP(I)::R1(A),XP(e)
      • Refutation
        • S(c);N_SPINP(e)
    • Try
      • S(D);P_PINP(e),XP(d)
      • Threat
        • S(D),XP(b)
      • Vars
        • K(f);N_SPINP(e),S_FLIGHT,XS(D)::B(B)+S(F),DCHECK
        • P(g);N_GUARD,XP(I)::R1(A),XP(e)
      • Refutation
        • S(c);N_SPINP(e)
  • Actual
    • S(F);P_PINP(d),XP(e)
    • Threat
      • R(N)
    • Vars
      • K(f);N_SPINP(d),P-FLIGHT,XS(F)::R(A)+S(D),DCHECK
      • P(g);SBLOCK,XS(F)::B(B),XP(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).