Problem Display
PID: 179083 (1K3R2/1Np1R3/b7/1n2N3/4kp2/rBn2p2/3P1P2/Brq5 w - - 0 1)

Salazar Lopez, Francisco

Magasinet, 1951

1K3R2/1Np1R3/b7/1n2N3/4kp2/rBn2p2/3P1P2/Brq5

#2

9 + 10


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Sets
    • 1...Kd4
      • 2.Rxf4#
    • 1...Sd1
      • 2.d3#
    • 1...Sa2
      • 2.d3#
    • 1...Se2
      • 2.d3#
    • 1...Sa4
      • 2.d3#
    • 1...Sd5
      • 2.d3#
    • 1...Sd4
      • 2.Sc5#
  • Tries
    • 1.Sxf3+?
      • 1...Kd3
        • 2.Sc5#
      • 1...Kxf3!
  • Keys
    • 1.Bc4!
      • threat
        • 2.Sc6#
      • 1...Kd4
        • 2.Rxf4#
      • 1...Sd5
        • 2.Sc5#
      • 1...Sd4
        • 2.d3#
      • 1...c6
        • 2.Sxc6#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • K(f);P-FLIGHT,P_SPINS(d)::R(I),XP(g)
    • S(d);::P(B)
    • S(h);SBLOCK::S(F)
  • Tries
    • Try
      • S(E);CHECK,XP(e)
      • Vars
        • K(f);S_FLIGHT::S(F)
      • Refutation
        • K(f);P_SPINP(g),S_FLIGHT,XS(E)
  • Actual
    • B(D);
    • Threat
      • R(G)+S(E)
    • Vars
      • K(f);P-FLIGHT,P_SPINS(d)::R(I),XP(g)
      • S(d);::S(F)
      • S(h);P_PINS(F),SBLOCK::P(B)
      • P(j);::R(G)+S(E),XP(j)


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).