Problem Display
PID: 104708 (8/8/8/3B4/3Qp3/5N2/3Nk3/6K1 w - - 0 1)

Zlatic, Dr Savo

Match: France - Yugoslavia, 1955

8/8/8/3B4/3Qp3/5N2/3Nk3/6K1

#2

5 + 2


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Sb1?
      • 1...exf3
        • 2.Qd2#
      • 1...e3
        • 2.Sc3#
      • 1...Kxf3!
    • 1.Sb3?
      • 1...exf3
        • 2.Qd2#
      • 1...e3
        • 2.Sc1#
      • 1...Kxf3!
    • 1.Bb3?
      • threat
        • 2.Qxe4#
      • 1...e3
        • 2.Qc4#
      • 1...exf3!
    • 1.Qc4+?
      • 1...Ke3
        • 2.Qxe4#
      • 1...Kd1!
  • Keys
    • 1.Sf1!
      • 1...Kxf3
        • 2.Qxe4#
      • 1...exf3
        • 2.Qd2#
      • 1...e3
        • 2.Sg3#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Vars
        • P(b);XS(C)::QAR1(D)
        • P(b);::S(B)
      • Refutation
        • K(a);P_SPINP(b),S_FLIGHT,XS(C)
    • Try
      • S(B);
      • Vars
        • P(b);XS(C)::QAR1(D)
        • P(b);::S(B)
      • Refutation
        • K(a);P_SPINP(b),S_FLIGHT,XS(C)
    • Try
      • B(E);
      • Threat
        • QAR2(D),XP(b)
      • Vars
        • P(b);SBLOCK::QAB(D)
      • Refutation
        • P(b);XS(C)
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(D),XP(b)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(B);
    • Vars
      • K(a);P_SPINP(b),S_FLIGHT,XS(C)::QAB1(D),XP(b)
      • P(b);XS(C)::QAR1(D)
      • P(b);::S(B)


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).