MESON Chess Problem Database

Problem Display
PID: 187269 (8/3N3B/r4p1K/qR3r2/2P1kn1Q/5pPb/2PR1Pn1/2b5 w - - 0 1)

Guttman, Newman

5th Comm., Het Belgisch Schaakbord (L'Echiquier Belge), 1996-1997

8/3N3B/r4p1K/qR3r2/2P1kn1Q/5pPb/2PR1Pn1/2b5

#2

10 + 10

5110 Bekroonde Problemen 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Ra7
      • 2.Sxf6#
    • 1...Ra8
      • 2.Sxf6#
    • 1...Se1
      • 2.Qxf4#
    • 1...Se3
      • 2.Qxf4#
  • Keys
    • 1.Qxf6!
      • threat
        • 2.Sc5#
        • 2.Rd4#
      • 1...Rxf6+
        • 2.Sxf6#
      • 1...Qxd2
        • 2.Sc5#
      • 1...Qxb5
        • 2.Rd4#
      • 1...Bxd2
        • 2.Sc5#
      • 1...Qc3
        • 2.Sc5#
      • 1...Qb4
        • 2.Rd4#
        • 2.Re5#
      • 1...Qb6
        • 2.Re5#
      • 1...Qc7
        • 2.Rd4#
      • 1...Qa1
        • 2.Sc5#
      • 1...Qa3
        • 2.Rd4#
        • 2.Re5#
      • 1...Rc6
        • 2.Rd4#
      • 1...Rd6
        • 2.Sc5#
      • 1...Bb2
        • 2.Sc5#
      • 1...Ba3
        • 2.Rd4#
      • 1...Se2
        • 2.Sc5#
      • 1...Sd3
        • 2.cxd3#
      • 1...Sd5
        • 2.Sc5#
      • 1...Sh5
        • 2.Sc5#
      • 1...Se6
        • 2.Qe5#
      • 1...Sg6
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 18
    • REMOVED MATES = 4
  • Sets
    • R(i);N_GUARD::S(I),XP(j)
    • S(b);N_GUARD::QAR1(F),XS(f)
  • Actual
    • Q(F);N_PINS(f),P_SPINQ(F),XP(j)
    • Threat
      • DUALS(2)
    • Vars
      • R(i);CHECK,XQ(F)::S(I),XR(i)
      • Q(g);XR(B)::S(I)
      • Q(g);XR(G)::R1(B)
      • B(a);XR(B)::S(I)
      • Q(g);::S(I)
      • Q(g);N_GUARD::R1(G)
      • Q(g);::R1(B)
      • R(i);::R1(B)
      • R(i);::S(I)
      • B(a);::S(I)
      • B(a);::R1(B)
      • S(f);P_PINR(B)::S(I)
      • S(f);OGATE,P_PINR(B)::P(A),XS(f)
      • S(f);N_PINQ(F),P_PINR(B)::QAR1(F)
      • S(f);N_PINQ(F),N_SPINR(h),P_PINR(B)::QAR1(F)
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).