MESON Chess Problem Database

Problem Display
PID: 245633 (3K4/1p1Q1R2/4p1b1/3NP3/pNp1k1r1/rn1qPn2/1BBP3p/8 w - - 0 1)

Musante, Horacio Luis

Parallele 50, 1951

3K4/1p1Q1R2/4p1b1/3NP3/pNp1k1r1/rn1qPn2/1BBP3p/8

#2

10 + 12

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rg1
      • 2.Rf4#
    • 1...Rg2
      • 2.Rf4#
    • 1...Rg3
      • 2.Rf4#
    • 1...Rf4
      • 2.Rxf4#
    • 1...Rg5
      • 2.Rf4#
    • 1...Bf5
      • 2.Sf6#
    • 1...Sxe5
      • 2.Sc3#
    • 1...exd5
      • 2.Qxg4#
      • 2.Qxd5#
  • Keys
    • 1.Qxe6!
      • threat
        • 2.Qxg4#
      • 1...Sxe5
        • 2.Qxe5#
      • 1...Rg1
        • 2.Rf4#
      • 1...Rg2
        • 2.Rf4#
      • 1...Rg3
        • 2.Rf4#
      • 1...Rf4
        • 2.Rxf4#
      • 1...Rh4
        • 2.Qxg6#
      • 1...Rg5
        • 2.Rf4#
      • 1...Bf5
        • 2.Qxf5#
      • 1...Bh5
        • 2.Qf5#
      • 1...Sbd4
        • 2.Sf6#
      • 1...Sfd4
        • 2.Sc3#
      • 1...c3
        • 2.Bxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • R(i);N_GUARD::R1(I)
    • R(i);N_GUARD::R1(I),XR(i)
    • B(k);SBLOCK::S(F)
    • S(e);SBLOCK,XP(G)::S(F)
  • Actual
    • Q(H);P_SPINS(F),XP(j)
    • Threat
      • QAR2(H),XR(i)
    • Vars
      • S(e);OGATE,P_SPINS(e),XP(G)::QAR1(H),XS(e)
      • R(i);N_GUARD::R1(I)
      • R(i);N_GUARD::R1(I),XR(i)
      • R(i);N_GUARD::QAB(H),XB(k)
      • B(k);N_GUARD::QAB1(H),XB(k)
      • B(k);N_GUARD::QAB1(H)
      • S(c);N_PINS(F)::S(F)
      • S(e);N_PINS(F)::S(F)
      • P(g);N_GUARD::B(B),XQ(d)
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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).