MESON Chess Problem Database

Problem Display
PID: 173704 (1n2k1Kn/1pB3P1/pN1P1p2/P3pP2/2N4P/6Pr/2P4p/1b2R2B w - - 0 1)

Boros, Sandor

Uj Nemezdek, 1925

1n2k1Kn/1pB3P1/pN1P1p2/P3pP2/2N4P/6Pr/2P4p/1b2R2B

#2

13 + 10

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...e4
      • 2.Rxe4#
  • Tries
    • 1.d7+?
      • 1...Ke7
        • 2.d8Q#
      • 1...Sxd7!
  • Keys
    • 1.Sxe5!
      • threat
        • 2.Sd3#
        • 2.Sf3#
        • 2.Sec4#
        • 2.Sg4#
        • 2.Sc6#
        • 2.Sg6#
        • 2.Sed7#
        • 2.Sf7#
      • 1...Ba2+
        • 2.Sec4#
      • 1...Rxg3
        • 2.Sf3#
      • 1...Rxh4
        • 2.Sg4#
      • 1...Bxc2
        • 2.Sd3#
      • 1...fxe5
        • 2.Rxe5#
      • 1...Sc6
        • 2.Sxc6#
      • 1...Sd7
        • 2.Sexd7#
      • 1...Sg6
        • 2.Sxg6#
      • 1...Sf7
        • 2.Sxf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 1
  • Sets
    • P(d);OGATEB::R(A),XP(d)
  • Tries
    • Try
      • P(J);CHECK
      • Vars
        • K(i);P-FLIGHT::P=Q
      • Refutation
        • S(h);XP(J)
  • Actual
    • S(E);XP(d)
    • Threat
      • DUALS(8)
    • Vars
      • B(a);CHECK::R(A)+S(E)
      • R(c);P_PINP(L),XP(D)::R(A)+S(E)
      • R(c);XP(F)::R(A)+S(E)
      • B(a);XP(C)::R(A)+S(E)
      • P(f);OGATE,P_SPINP(f),XS(E)::R(A),XP(f)
      • S(h);::R(A)+S(E),XS(h)
      • S(j);::R(A)+S(E),XS(j)
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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).