MESON Chess Problem Database

Problem Display
PID: 245637 (8/p6K/r2n4/Q2N1pN1/1PPkB2p/3p1bnr/7B/2R5 w - - 0 1)

Musante, Horacio Luis

Arbejder-Skak, 1952

8/p6K/r2n4/Q2N1pN1/1PPkB2p/3p1bnr/7B/2R5

#2

9 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rb6
      • 2.Qa1#
    • 1...Rc6
      • 2.Qa1#
    • 1...Sf1
      • 2.Qc5#
    • 1...Sh1
      • 2.Qc5#
    • 1...Se2
      • 2.Qc5#
    • 1...Sgxe4
      • 2.Se6#
    • 1...Sh5
      • 2.Qc5#
    • 1...Sdxe4
      • 2.Sxf3#
  • Keys
    • 1.Qc7!
      • threat
        • 2.Qg7#
      • 1...Ke5
        • 2.Qg7#
      • 1...Sgxe4
        • 2.Se6#
      • 1...Sxc4
        • 2.Rxc4#
      • 1...Sdxe4
        • 2.Sxf3#
      • 1...Sh5
        • 2.Qc5#
      • 1...Sb5
        • 2.Bg1#
      • 1...Sb7
        • 2.Bg1#
      • 1...Sf7
        • 2.Bg1#
      • 1...Sc8
        • 2.Bg1#
      • 1...Se8
        • 2.Bg1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 5
  • Sets
    • R(h);N_GUARD::QAB(F)
    • S(c);::QAB1(F)
    • S(c);SBLOCK,XB(E)::S(H)
    • S(i);SBLOCK,XB(E)::S(H),XB(b)
  • Actual
    • Q(F);
    • Threat
      • QAB(F)
    • Vars
      • K(e);P_SPINS(c),S_FLIGHT::QAB(F)
      • S(c);SBLOCK,XB(E)::S(H)
      • S(i);OGATE,XP(D)::R1(A),XS(i)
      • S(i);SBLOCK,XB(E)::S(H),XB(b)
      • S(c);::QAB1(F)
      • S(i);::B(B)
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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).