Problem Display
PID: 18635 (2K3QB/3B1p1b/8/2p2R1N/4k1p1/1PrR4/3rpPP1/b1q1n3 w - - 0 1)

Avner, Uri

3rd Prize, FIDE Ty., 1957-1958

2K3QB/3B1p1b/8/2p2R1N/4k1p1/1PrR4/3rpPP1/b1q1n3

#2

10 + 11


3976 FIDE Album (1956-1958) 1961
3841 The Art of Israeli Chess Composition 1983
721 Variantim 2005
56 The Problemist 2008
15433 Seleccion de los mejores problemas Uri Avner 2014
56 The Problemist 2014
17424 Close Encounters with the Chess Pieces (Avner) 2021

SOLUTION


  • SOUND
  • Sets
    • 1...Rdxd3
      • 2.Qe8#
    • 1...Rc2
      • 2.Re3#
    • 1...Rcxd3
      • 2.Qxg4#
    • 1...Rc4
      • 2.Re3#
    • 1...Sxd3
      • 2.Sg3#
    • 1...f6
      • 2.Qd5#
  • Keys
    • 1.Rxf7!
      • threat
        • 2.Qxh7#
      • 1...Kxd3
        • 2.Qxh7#
      • 1...Rdxd3
        • 2.Re7#
      • 1...Rcxd3
        • 2.Rf4#
      • 1...Bxg8
        • 2.Bf5#
      • 1...Sxd3
        • 2.Bc6#
      • 1...Bf5
        • 2.Bxf5#
      • 1...Bg6
        • 2.Qxg6#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 4
    • REMOVED MATES = 3
  • Sets
    • R(d);SBLOCK,XR(D)::QAR(I)
    • R(f);N_GUARD::R1(D)
    • R(f);SBLOCK,XR(D)::QAR2(I),XP(h)
    • S(c);SBLOCK,XR(D)::S(F)
    • P(j);OGATE::QAB1(I)
  • Actual
    • R(E);XP(j)
    • Threat
      • QAB(I),XB(k)
    • Vars
      • K(g);S_FLIGHT,XR(D)::QAB(I),XB(k)
      • R(d);SBLOCK,XR(D)::R(E)
      • R(f);SBLOCK,XR(D)::R1(E)
      • B(k);N_GUARD,XQ(I)::B(G)
      • S(c);SBLOCK,XR(D)::B(G)
      • B(k);N_GUARD,P_PINB(G)::B(G),XB(k)
      • B(k);N_GUARD::QAB(I),XB(k)


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).