Problem Display
PID: 203615 (8/2r2p2/4p3/3p3Q/nB1kP3/1Pp5/1n1PR3/4NK2 w - - 0 1)

Hertmann, Sandor

Uj Nemezdek, 1924

8/2r2p2/4p3/3p3Q/nB1kP3/1Pp5/1n1PR3/4NK2

#2

8 + 8


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Sd3
      • 2.Sc2#
      • 2.Sf3#
    • 1...Sc5
      • 2.Bxc3#
      • 2.dxc3#
  • Tries
    • 1.Re3?
      • threat
        • 2.Sc2#
        • 2.Sf3#
      • 1...dxe4
        • 2.Sc2#
      • 1...f5
        • 2.Sf3#
      • 1...c2
        • 2.Sf3#
      • 1...cxd2!
    • 1.Qg4?
      • threat
        • 2.e5#
      • 1...dxe4
        • 2.Qxe4#
      • 1...Sd3
        • 2.Sf3#
      • 1...Sc5
        • 2.Bxc3#
      • 1...e5
        • 2.Qg1#
      • 1...f5
        • 2.exf5#
      • 1...Ke5!
    • 1.e5?
      • threat
        • 2.Qg4#
        • 2.Qh4#
      • 1...Sd3
        • 2.Sc2#
        • 2.Sf3#
      • 1...Sc5
        • 2.Bxc3#
        • 2.dxc3#
      • 1...f5!
  • Keys
    • 1.Qh4!
      • threat
        • 2.e5#
      • 1...Ke5
        • 2.Sf3#
      • 1...dxe4
        • 2.Qxe4#
      • 1...Sd3
        • 2.Sf3#
      • 1...Sc5
        • 2.Bxc3#
      • 1...e5
        • 2.Qf2#
      • 1...f5
        • 2.exf5#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);
      • Threat
        • DUALS(2)
      • Vars
        • P(e);XP(G)::S(A)
        • P(h);::S(A)
        • P(b);::S(A)
      • Refutation
        • P(b);XP(C)
    • Try
      • Q(H);
      • Threat
        • QAR(H)+P(G)
      • Vars
        • P(e);OGATE,P_SPINP(e),XP(G)::QAR1(H),XP(e)
        • S(a);SBLOCK::S(A)
        • S(c);N_GUARD,SBLOCK,S_CUTR(g)::B(F),XP(b)
        • P(f);SBLOCK::QAB(H)
        • P(h);OGATE::QAR(H)+P(G),XP(h)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • P(G);
      • Threat
        • DUALS(2)
      • Refutation
        • P(h);
  • Actual
    • Q(H);
    • Threat
      • QAR(H)+P(G)
    • Vars
      • K(d);S_FLIGHT::S(A)
      • P(e);OGATE,P_SPINP(e),XP(G)::QAR1(H),XP(e)
      • S(a);SBLOCK::S(A)
      • S(c);N_GUARD,SBLOCK,S_CUTR(g)::B(F),XP(b)
      • P(f);SBLOCK::QAB(H)
      • P(h);OGATE::QAR(H)+P(G),XP(h)


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).