MESON Chess Problem Database

Problem Display
PID: 174106 (8/q1Q5/2N1pK2/3rp3/4k3/R1brp1R1/B1P3N1/8 w - - 0 1)

Dragoescu, Radu

Boletim da UBP, 1986

8/q1Q5/2N1pK2/3rp3/4k3/R1brp1R1/B1P3N1/8

#2

8 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Qd4
      • 2.Qh7#
    • 1...Qc5
      • 2.Qh7#
    • 1...Qb6
      • 2.Qh7#
    • 1...Qb8
      • 2.Qh7#
    • 1...Qxa3
      • 2.Qh7#
    • 1...Qa4
      • 2.Qh7#
    • 1...Qa5
      • 2.Qh7#
    • 1...Qa6
      • 2.Qh7#
    • 1...Qa8
      • 2.Qh7#
    • 1...R3d4
      • 2.Rxe3#
    • 1...R5d4
      • 2.Qxe5#
    • 1...Bd4
      • 2.cxd3#
  • Keys
    • 1.Sd4!
      • threat
        • 2.Rg4#
      • 1...Kxd4
        • 2.Qc4#
      • 1...Qxd4
        • 2.Qh7#
      • 1...R3xd4
        • 2.Rxe3#
      • 1...R5xd4
        • 2.Qxe5#
      • 1...Bxd4
        • 2.cxd3#
      • 1...exd4
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 8
  • Sets
    • Q(h);N_GUARD::QAB(H)
    • Q(h);N_GUARD,XR(D)::QAB(H)
    • R(b);N_GUARD,S_CUTQ(h)::R1(E),XP(c)
    • R(e);N_GUARD,S_CUTB(a)::QAR1(H),XP(f)
    • B(a);S_CUTR(e)::P(B),XR(b)
  • Actual
    • S(F);
    • Threat
      • R(E)
    • Vars
      • K(d);OGATEB,P-FLIGHT,XS(F)::QAR1(H)
      • Q(h);N_GUARD,SBLOCK,XS(F)::QAB(H)
      • R(b);N_GUARD,SBLOCK,XS(F)::R1(E),XP(c)
      • R(e);N_GUARD,XS(F)::QAR1(H),XP(f)
      • B(a);SBLOCK,XS(F)::P(B),XR(b)
      • P(f);OGATE,SBLOCK,XS(F)::QAR1(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).