MESON Chess Problem Database

Problem Display
PID: 261896 (Qb5k/5Bp1/nP4P1/1R2p3/4R3/6K1/6n1/7b w - - 0 1)

Pirrone, Santi

Comm., Le Probleme 03. TT, 1960

Qb5k/5Bp1/nP4P1/1R2p3/4R3/6K1/6n1/7b

#2

7 + 7

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Se1
      • 2.Rh4#
    • 1...Se3
      • 2.Rh4#
    • 1...Sh4
      • 2.Rxh4#
    • 1...Sb4
      • 2.Qxb8#
    • 1...Sc5
      • 2.Qxb8#
  • Tries
    • 1.Rexe5?
      • 1...Sc7
        • 2.Rh5#
      • 1...Se1
        • 2.Qxh1#
      • 1...Se3
        • 2.Qxh1#
      • 1...Sf4
        • 2.Re8#
      • 1...Sb4
        • 2.Qxb8#
      • 1...Sc5
        • 2.Qxb8#
      • 1...Sh4!
    • 1.Rc5?
      • threat
        • 2.Rc8#
      • 1...Sxc5
        • 2.Qxb8#
      • 1...Sc7!
  • Keys
    • 1.Rbxe5!
      • 1...Sc7
        • 2.Rh5#
      • 1...Se1
        • 2.Rh4#
      • 1...Se3
        • 2.Rh4#
      • 1...Sf4
        • 2.Re8#
      • 1...Sh4
        • 2.Rxh4#
      • 1...Sb4
        • 2.Qxb8#
      • 1...Sc5
        • 2.Qxb8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(b);N_GUARD::R(B)
    • S(b);N_GUARD::R(B),XS(b)
    • S(d);N_GUARD::QAR(G),XB(f)
  • Tries
    • Try
      • R(B);P_SPINR(B),XP(c)
      • Vars
        • S(d);N_PINR(B)::R(B)
        • S(b);OGATE::QAB(G),XB(a)
        • S(b);N_PINR(B)::R(B)
        • S(d);N_GUARD::QAR(G),XB(f)
      • Refutation
        • S(b);
    • Try
      • R(C);
      • Threat
        • R(C)
      • Vars
        • S(d);N_GUARD,XR(C)::QAR(G),XB(f)
      • Refutation
        • S(d);
  • Actual
    • R(C);P_SPINR(C),XP(c)
    • Vars
      • S(d);N_PINR(C)::R(C)
      • S(b);N_GUARD::R(B)
      • S(b);N_PINR(C)::R(C)
      • S(b);N_GUARD::R(B),XS(b)
      • S(d);N_GUARD::QAR(G),XB(f)
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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).