MESON Chess Problem Database

Problem Display
PID: 254850 (4R2q/7p/KBPkB3/1Ppp1nR1/p4r1N/NnQ1b3/8/1b1r4 w - - 0 1)

Hartong, Jan

Probleemblad, 1946

4R2q/7p/KBPkB3/1Ppp1nR1/p4r1N/NnQ1b3/8/1b1r4

#2

10 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Re4
      • 2.Sxf5#
    • 1...Sd4
      • 2.Rxd5#
    • 1...Sg7
      • 2.Qe5#
    • 1...d4
      • 2.Sc4#
  • Keys
    • 1.Bg8!
      • threat
        • 2.Re6#
      • 1...Qxg8
        • 2.Qe5#
      • 1...Qe5
        • 2.Qxe5#
      • 1...Qf6
        • 2.Qxf6#
      • 1...Re4
        • 2.Sxf5#
      • 1...Sbd4
        • 2.Qxc5#
      • 1...Sfd4
        • 2.Rxd5#
      • 1...Se7
        • 2.Rd8#
      • 1...Sg7
        • 2.Qe5#
      • 1...d4
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • R(f);N_GUARD,S_CUTB(a)::S(C),XS(i)
    • S(i);OGATE::R1(E),XP(h)
    • S(i);S_CUTQ(l)::QAB1(B)
    • P(h);N_GUARD,S_CUTR(f)::S(A)
  • Actual
    • B(I);
    • Threat
      • R1(J)
    • Vars
      • Q(l);N_GUARD,XB(I)::QAB1(B)
      • Q(l);N_GUARD::QAB1(B),XQ(l)
      • Q(l);N_GUARD::QAR2(B),XQ(l)
      • R(f);N_GUARD,S_CUTB(a)::S(C),XS(i)
      • S(c);N_GUARD,S_CUTB(d)::QAB1(B),XP(g)
      • S(i);OGATE::R1(E),XP(h)
      • S(i);SBLOCK::R(J)
      • S(i);S_CUTQ(l)::QAB1(B)
      • P(h);N_GUARD,S_CUTR(f)::S(A)
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).