MESON Chess Problem Database

Problem Display
PID: 19460 (3R4/4Q3/B2N4/1n6/1p6/pr2P3/Rn1k2P1/N1b2K2 w - - 0 1)

Petrovic, Nenad

1st Prize, Die Schwalbe TT, 1953

3R4/4Q3/B2N4/1n6/1p6/pr2P3/Rn1k2P1/N1b2K2

#2

9 + 7

3105 FIDE Album (1945-1955) 1964
102 Probleemblad 2003

SOLUTION

  • SOUND
  • Sets
    • 1...Rc3
      • 2.Sc4#
    • 1...Rxe3
      • 2.Se4#
    • 1...Sc3
      • 2.Sc4#
  • Keys
    • 1.Qh4!
      • 1...Kd1
        • 2.Qe1#
      • 1...Kc3
        • 2.Sxb5#
      • 1...Kd3
        • 2.Qd4#
      • 1...Kxe3
        • 2.Sf5#
      • 1...Rxe3
        • 2.Se4#
      • 1...Sxd6
        • 2.Qe1#
      • 1...Rd3
        • 2.Qe1#
      • 1...Rc3
        • 2.Sc4#
      • 1...Sc3
        • 2.Sc4#
        • 2.Qe1#
        • 2.Qd4#
      • 1...Sd4
        • 2.Qe1#
      • 1...Sa7
        • 2.Qe1#
      • 1...Sc7
        • 2.Qe1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 1
  • Sets
    • R(e);SBLOCK::R(I)+S(G),DCHECK
    • R(e);SBLOCK,XP(E)::R(I)+S(G),DCHECK
    • S(g);SBLOCK::R(I)+S(G),DCHECK
  • Actual
    • Q(H);
    • Vars
      • K(c);N_SPINS(b),P-FLIGHT::QAR1(H)
      • K(c);N_SPINS(b),S_FLIGHT::S(G),XS(g)
      • K(c);N_SPINS(b),P-FLIGHT,P_SPINS(g)::QAR1(H)
      • K(c);N_SPINS(b),S_FLIGHT,XP(E)::S(G)
      • R(e);SBLOCK,XP(E)::R(I)+S(G),DCHECK
      • S(g);XS(G)::QAB1(H)
      • R(e);SBLOCK::QAB1(H)
      • R(e);SBLOCK::R(I)+S(G),DCHECK
      • S(g);::QAB1(H)
HTML5 logo

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).