MESON Chess Problem Database

Problem Display
PID: 86680 (1B6/2r2p2/1b1rb1n1/8/1R1R2Np/6k1/4B1P1/3N3K w - - 0 1)

Grosz, Imre

1st Prize, Pesti Hirlap, 1929

1B6/2r2p2/1b1rb1n1/8/1R1R2Np/6k1/4B1P1/3N3K

#2

8 + 8

35 L'Italia Scacchistica 1930
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rd5
      • 2.Rb3#
    • 1...Rc5
      • 2.Rd3#
    • 1...Bxg4
      • 2.Rxg4#
  • Tries
    • 1.Rb3+?
      • 1...Rc3
        • 2.Rxc3#
      • 1...Bxb3!
    • 1.Rd3+?
      • 1...Be3
        • 2.Rxe3#
      • 1...Rxd3!
  • Keys
    • 1.Sf6!
      • threat
        • 2.Sh5#
      • 1...Rd5
        • 2.Rb3#
      • 1...Rc5
        • 2.Rd3#
      • 1...Bg4
        • 2.Rxg4#
      • 1...Sf4
        • 2.Se4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(d);P_SPINR(g),S_CUTB(e)::R(E)
    • R(g);P_SPINR(d),S_CUTB(c)::R(F)
    • B(e);OGATE,XS(G)::R1(F),XB(e)
  • Tries
    • Try
      • R(E);CHECK
      • Vars
        • R(g);N_GUARD,P_SPINR(g)::R(E),XR(g)
      • Refutation
        • B(e);XR(E)
    • Try
      • R(F);CHECK
      • Vars
        • B(c);N_GUARD,P_SPINB(c)::R(F),XB(c)
      • Refutation
        • R(d);P_SPINR(g),XR(F)
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • R(d);P_SPINR(g),S_CUTB(e)::R(E)
      • R(g);P_SPINR(d),S_CUTB(c)::R(F)
      • B(e);N_GUARD::R1(F),XB(e)
      • S(f);SBLOCK::S(G)
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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).