MESON Chess Problem Database

Problem Display
PID: 99318 (Rr2n3/Q1p5/1N1p4/b7/1pB2p2/1P6/2KP1P1R/4k3 w - - 0 1)

Nemeth, Gyula

Magyar Sakkelet, 1983

Rr2n3/Q1p5/1N1p4/b7/1pB2p2/1P6/2KP1P1R/4k3

#2

9 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxb6
      • 2.Rxe8#
    • 1...Rb7
      • 2.Rxe8#
    • 1...Bxb6
      • 2.Qa1#
    • 1...cxb6
      • 2.Qe7#
    • 1...c5
      • 2.Qe7#
    • 1...c6
      • 2.Qe7#
  • Tries
    • 1.Sa4?
      • threat
        • 2.Rh1#
      • 1...Rb6
        • 2.Rxe8#
      • 1...c5
        • 2.Qe7#
      • 1...Bb6!
    • 1.Sd7?
      • threat
        • 2.Rh1#
      • 1...Rb6
        • 2.Rxe8#
      • 1...Bb6
        • 2.Qa1#
      • 1...c5!
    • 1.Sc8?
      • threat
        • 2.Rh1#
      • 1...Bb6
        • 2.Qa1#
      • 1...c5
        • 2.Qe7#
      • 1...Rb6!
    • 1.Qb7?
      • threat
        • 2.Qh1#
        • 2.Qe4#
      • 1...Rxb7
        • 2.Rxe8#
      • 1...Bxb6
        • 2.Ra1#
        • 2.Qh1#
      • 1...Sf6
        • 2.Qh1#
      • 1...f3
        • 2.Qe4#
      • 1...c6
        • 2.Qe7#
      • 1...d5!
  • Keys
    • 1.Sd5!
      • threat
        • 2.Rh1#
      • 1...Rb6
        • 2.Rxe8#
      • 1...Bb6
        • 2.Qa1#
      • 1...c5
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 3
  • Sets
    • R(g);OGATE,XS(G)::R(I),XS(h)
    • R(g);OGATE::R(I),XS(h)
    • B(d);OGATE,XS(G)::QAR(H)
    • P(f);OGATE,XS(G)::QAR(H)
    • P(f);OGATE::QAR(H)
  • Tries
    • Try
      • S(G);
      • Threat
        • R(D)
      • Vars
        • R(g);OGATE::R(I),XS(h)
        • P(f);OGATE::QAR(H)
      • Refutation
        • B(d);
    • Try
      • S(G);
      • Threat
        • R(D)
      • Vars
        • R(g);OGATE::R(I),XS(h)
        • B(d);OGATE::QAR(H)
      • Refutation
        • P(f);
    • Try
      • S(G);
      • Threat
        • R(D)
      • Vars
        • B(d);OGATE::QAR(H)
        • P(f);OGATE::QAR(H)
      • Refutation
        • R(g);
    • Try
      • Q(H);
      • Threat
        • DUALS(2)
      • Vars
        • R(g);OGATE,XQ(H)::R(I),XS(h)
        • S(h);::QAR(H)
        • P(c);::QAR(H)
        • P(f);OGATE::QAR(H)
      • Refutation
        • P(e);
  • Actual
    • S(G);
    • Threat
      • R(D)
    • Vars
      • R(g);OGATE::R(I),XS(h)
      • B(d);OGATE::QAR(H)
      • P(f);OGATE::QAR(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).