Problem Display
PID: 103104 (5B2/1npP2pN/2B1p2p/7k/1K5N/2P2pPP/5P2/6n1 w - - 0 1)

Comay, Ofer

Retter, Yosef

Spisska Borovicka 04. TT, 1992

5B2/1npP2pN/2B1p2p/7k/1K5N/2P2pPP/5P2/6n1

#2

10 + 8


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Se2
      • 2.Bxf3#
    • 1...Sxh3
      • 2.Bxf3#
    • 1...g5
      • 2.Sf6#
  • Tries
    • 1.Be4?
      • threat
        • 2.Bg6#
      • 1...Sxh3
        • 2.Bxf3#
      • 1...g6
        • 2.Bxg6#
      • 1...c5+!
    • 1.d8Q?
      • threat
        • 2.g4#
      • 1...Sxh3
        • 2.Bxf3#
      • 1...g5
        • 2.Sf6#
        • 2.Be8#
        • 2.Qe8#
      • 1...Sxd8!
    • 1.d8B?
      • threat
        • 2.g4#
      • 1...Sxh3
        • 2.Bxf3#
      • 1...g5
        • 2.Sf6#
        • 2.Be8#
      • 1...Sxd8!
  • Keys
    • 1.Be7!
      • threat
        • 2.g4#
      • 1...Sxh3
        • 2.Bxf3#
      • 1...g5
        • 2.Sf6#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • S(a);N_GUARD::B(G),XP(b)
    • S(a);N_GUARD,XP(D)::B(G),XP(b)
    • P(h);N_GUARD,SBLOCK::S(I)
  • Tries
    • Try
      • B(G);
      • Threat
        • B(G)
      • Vars
        • S(a);N_GUARD,XP(D)::B(G),XP(b)
        • P(h);::B(G),XP(h)
      • Refutation
        • P(g);CHECK
    • Try
      • P(H);
      • Threat
        • P(C)
      • Vars
        • S(a);N_GUARD,XP(D)::B(G),XP(b)
      • Refutation
        • S(f);XQ(H)
    • Try
      • P(H);
      • Threat
        • P(C)
      • Vars
        • S(a);N_GUARD,XP(D)::B(G),XP(b)
      • Refutation
        • S(f);XB(H)
  • Actual
    • B(J);
    • Threat
      • P(C)
    • Vars
      • S(a);N_GUARD,XP(D)::B(G),XP(b)
      • P(h);N_GUARD,SBLOCK::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).