MESON Chess Problem Database

Problem Display
PID: 103656 (bB5b/3pNQ1K/3P4/P1kpn2R/P2n2p1/1pPR4/3N1p2/3q4 w - - 0 1)

Musante, Horacio Luis

Herpai TT, 1951

bB5b/3pNQ1K/3P4/P1kpn2R/P2n2p1/1pPR4/3N1p2/3q4

#2

11 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sdc6
      • 2.Rxd5#
      • 2.Qxd5#
    • 1...Sc4
      • 2.Se4#
    • 1...Sec6
      • 2.Rxd5#
      • 2.Qxd5#
  • Keys
    • 1.Qf4!
      • threat
        • 2.Qxd4#
      • 1...Sxd3
        • 2.Ba7#
      • 1...Sc2
        • 2.Sxb3#
      • 1...Se2
        • 2.Qb4#
      • 1...Sdf3
        • 2.Qb4#
      • 1...Sb5
        • 2.Qb4#
      • 1...Sf5
        • 2.Qb4#
      • 1...Sdc6
        • 2.Rxd5#
      • 1...Se6
        • 2.Qb4#
      • 1...Sef3
        • 2.Ba7#
      • 1...Sc4
        • 2.Se4#
      • 1...Sec6
        • 2.Rxd5#
      • 1...Sg6
        • 2.Ba7#
      • 1...Sf7
        • 2.Ba7#

There are these versions: 71439

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
    • S(h);P_SPINP(g),SBLOCK::S(A)
  • Actual
    • Q(I);
    • Threat
      • QAB1(I),XS(d)
    • Vars
      • S(h);P_SPINP(g),XR(C)::B(K)
      • S(d);N_GUARD,S_CUTQ(a)::S(A),XP(c)
      • S(d);OGATE::QAB1(I)
      • S(d);OGATE::R1(C),XP(g)
      • S(h);P_SPINP(g)::B(K)
      • S(h);P_SPINP(g),SBLOCK::S(A)
      • S(h);OGATE,P_SPINP(g)::R1(F),XP(g)
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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).