Problem Display
PID: 193919 (4r3/7n/1pbQp2K/b4p2/4kN1p/1rpp1p1B/3P1PP1/8 w - - 0 1)

Korchmaros, Endre

Pesti Naplo, 1916

4r3/7n/1pbQp2K/b4p2/4kN1p/1rpp1p1B/3P1PP1/8

#2

7 + 13


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Sets
    • 1...fxg2
      • 2.Bxg2#
  • Tries
    • 1.Qc5?
      • threat
        • 2.Qe3#
      • 1...Kxf4
        • 2.Qe3#
      • 1...bxc5!
    • 1.Qxd3+?
      • 1...Kxf4
        • 2.Qe3#
      • 1...Ke5!
  • Keys
    • 1.Se2!
      • threat
        • 2.Qd4#
      • 1...dxe2
        • 2.d3#
      • 1...fxe2
        • 2.f3#
      • 1...fxg2
        • 2.Bxg2#
      • 1...Rb4
        • 2.Sxc3#
      • 1...Rd8
        • 2.Qxe6#
      • 1...Bd5
        • 2.Qf4#
      • 1...e5
        • 2.Qxc6#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • P(d);OGATE,XP(C)::B(D),XP(d)
  • Tries
    • Try
      • Q(F);
      • Threat
        • QAR1(F)
      • Vars
        • K(e);P-FLIGHT,XS(E)::QAB1(F)
      • Refutation
        • P(i);XQ(F)
    • Try
      • Q(F);CHECK,XP(c)
      • Vars
        • K(e);P-FLIGHT,XS(E)::QAB1(F)
      • Refutation
        • K(e);P-FLIGHT
  • Actual
    • S(E);
    • Threat
      • QAR1(F)
    • Vars
      • P(c);OGATE,XS(E)::P(A)
      • P(d);OGATE,XS(E)::P(B)
      • P(d);OGATE,XP(C)::B(D),XP(d)
      • R(a);N_GUARD,S_CUTB(g)::S(E),XP(b)
      • R(m);N_GUARD::QAR2(F),XP(k)
      • B(j);SBLOCK::QAR1(F)
      • P(k);SBLOCK::QAB(F),XB(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).