MESON Chess Problem Database

Problem Display
PID: 273597 (2r5/8/5p1b/NR1pp2K/pP1kn3/r5p1/PR1PPPN1/Qb4BB w - - 0 1)

Sauze, P

diagrammes, 1978

2r5/8/5p1b/NR1pp2K/pP1kn3/r5p1/PR1PPPN1/Qb4BB

#2

13 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Bxd2
      • 2.Rxd2#
  • Tries
    • 1.f4+?
      • 1...Re3
        • 2.Bxe3#
      • 1...Sf2!
  • Keys
    • 1.Sh4!
      • threat
        • 2.Sf5#
      • 1...Bxd2
        • 2.Rxd2#
      • 1...Sxd2
        • 2.Rxd2#
      • 1...Sxf2
        • 2.Rxd5#
      • 1...Rf3
        • 2.Sxf3#
      • 1...Sc3
        • 2.f4#
      • 1...Sc5
        • 2.Rb3#
      • 1...Sg5
        • 2.Rxd5#
      • 1...Sd6
        • 2.Rxd5#
      • 1...f5
        • 2.Sxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • B(j);OGATE,XP(F)::QAB(A)+R(E),DCHECK,XB(j)
  • Tries
    • Try
      • P(H);CHECK
      • Vars
        • R(b);N_GUARD,P_SPINR(b)::B(B),XR(b)
      • Refutation
        • S(f);P_SPINS(f)
  • Actual
    • S(I);
    • Threat
      • S(I)
    • Vars
      • B(j);OGATE,XP(F)::QAB(A)+R(E),DCHECK,XB(j)
      • S(f);OGATE,XP(F)::QAB(A)+R(E),DCHECK,XS(f)
      • S(f);P_SPINS(f),XP(H)::R1(L),XP(g)
      • R(b);N_GUARD::S(I),XR(b)
      • S(f);N_GUARD,S_CUTR(b)::B(B)+P(H)
      • S(f);N_GUARD,S_CUTR(k)::QAB(A)+R(E)
      • S(f);::R1(L),XP(g)
      • P(i);::S(I),XP(i)
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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).