Problem Display
PID: 244712 (Bb6/pN6/3P4/3k1pN1/1R1P2p1/KPP2pq1/7B/8 w - - 0 1)

Colaneri, Bruno

Coello-75 JT (Problemas), 2017

Bb6/pN6/3P4/3k1pN1/1R1P2p1/KPP2pq1/7B/8

#2

10 + 7


15148 Sadier Collection 2021

SOLUTION


  • SOUND
  • Sets
    • 1...Qe1
      • 2.Sa5#
      • 2.Sc5#
      • 2.Sd8#
    • 1...Qf2
      • 2.Sa5#
      • 2.Sc5#
      • 2.Sd8#
    • 1...Qh4
      • 2.Sa5#
      • 2.Sc5#
      • 2.Sd8#
    • 1...Qxd6
      • 2.Sxd6#
    • 1...Qg1
      • 2.Sa5#
      • 2.Sc5#
      • 2.Sd8#
    • 1...Qg2
      • 2.Sa5#
      • 2.Sc5#
      • 2.Sd8#
    • 1...Qh3
      • 2.Sa5#
      • 2.Sc5#
      • 2.Sd8#
    • 1...Bxd6
      • 2.Sa5#
      • 2.Sc5#
      • 2.Sd8#
  • Tries
    • 1.Bxg3?
      • threat
        • 2.Sa5#
        • 2.Sc5#
        • 2.Sd8#
      • 1...Kc6
        • 2.Sc5#
      • 1...a5
        • 2.Sxa5#
        • 2.Sc5#
        • 2.Sd8#
      • 1...f4!
    • 1.Rb6?
      • threat
        • 2.Sa5#
        • 2.Sc5#
        • 2.Sd8#
      • 1...Qxd6+
        • 2.Sxd6#
      • 1...Bxd6+
        • 2.Sc5#
        • 2.Sxd6#
      • 1...a5
        • 2.Sxa5#
        • 2.Sc5#
        • 2.Sd8#
      • 1...axb6!
  • Keys
    • 1.Rc4!
      • threat
        • 2.Rc5#
      • 1...Qxd6+
        • 2.Sxd6#
      • 1...Bxd6+
        • 2.Sc5#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • Q(b);P_PINR(E),XP(H)::B(J)+S(I),XQ(b)
  • Tries
    • Try
      • B(A);XQ(b)
      • Threat
        • DUALS(3)
      • Vars
        • K(d);S_FLIGHT::B(J)+S(I)
      • Refutation
        • P(e);
    • Try
      • R(E);
      • Threat
        • DUALS(3)
      • Vars
        • Q(b);CHECK,XP(H)::B(J)+S(I),XQ(b)
      • Refutation
        • P(f);XR(E)
  • Actual
    • R(E);
    • Threat
      • R1(E)
    • Vars
      • Q(b);CHECK,XP(H)::B(J)+S(I),XQ(b)
      • B(g);CHECK,SBLOCK,XP(H)::B(J)+S(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).