MESON Chess Problem Database

Problem Display
PID: 173744 (1B1r2B1/1Nqpb1P1/KN2pP2/1pRpk3/2np4/3P1Q2/P5n1/4r2b w - - 0 1)

Boros, Sandor

Magyar Sakkvilag, 1927

1B1r2B1/1Nqpb1P1/KN2pP2/1pRpk3/2np4/3P1Q2/P5n1/4r2b

#2

11 + 13

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Rc8
      • 2.Sxd7#
    • 1...Re8
      • 2.Sxd7#
    • 1...Rf8
      • 2.Sxd7#
    • 1...Rxg8
      • 2.Sxd7#
    • 1...b4
      • 2.Sxc4#
  • Keys
    • 1.Sxd5!
      • threat
        • 2.Qh5#
      • 1...Qd6+
        • 2.Sb6#
      • 1...Bxf6
        • 2.Qxf6#
      • 1...exd5
        • 2.Rxd5#
      • 1...Sf4
        • 2.Qxf4#
      • 1...Rf1
        • 2.Qe4#
      • 1...Sge3
        • 2.Qf4#
      • 1...Sh4
        • 2.Qf4#
      • 1...Sce3
        • 2.Qe4#
      • 1...Sd6
        • 2.Sxc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 5
  • Sets
    • R(m);N_GUARD::S(F),XP(k)
    • R(m);N_GUARD,XB(K)::S(F),XP(k)
    • P(f);N_GUARD::S(F),XS(d)
  • Actual
    • S(F);XP(g)
    • Threat
      • QAR(C)
    • Vars
      • Q(j);CHECK,S_CUTB(l),S_CUTP(k)::R(D)+S(F)
      • B(l);OGATE,XP(G)::QAB1(C),XB(l)
      • P(i);OGATE,P_SPINP(i),XS(F)::R1(D),XP(i)
      • S(c);N_GUARD::QAB1(C),XS(c)
      • R(a);N_GUARD::QAR1(C)
      • S(c);N_GUARD::QAB1(C)
      • S(d);S_CUTR(a)::QAR1(C)
      • S(d);N_SPINQ(j),S_CUTB(l),S_CUTP(k)::R(D)+S(F),XQ(j)
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).