MESON Chess Problem Database

Problem Display
PID: 268021 (8/rbQ2RK1/1b2pp2/1p5p/1Rq3kP/3Bp2p/2N4P/4B1Nn w - - 0 1)

Mandil Pujado, Jose

Highly Comm., El Diluvio, 1932-1933

8/rbQ2RK1/1b2pp2/1p5p/1Rq3kP/3Bp2p/2N4P/4B1Nn

#2

10 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Qd4
      • 2.Sxe3#
    • 1...Qf4
      • 2.Rxf4#
      • 2.Qxf4#
    • 1...Ba5
      • 2.Sxe3#
    • 1...Sf2
      • 2.Qg3#
    • 1...Sg3
      • 2.Qxg3#
  • Keys
    • 1.Rxf6!
      • threat
        • 2.Rg6#
      • 1...Bxc7
        • 2.Sxe3#
      • 1...Sf2
        • 2.Qg3#
      • 1...Sg3
        • 2.Qxg3#
      • 1...Qd4
        • 2.Sxe3#
      • 1...Qe4
        • 2.Be2#
      • 1...Bd4
        • 2.Qf4#
      • 1...Be4
        • 2.Rf4#
      • 1...e5
        • 2.Qd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • Q(d);S_CUTB(h)::S(C),XP(b)
    • B(h);N_GUARD::S(C),XP(b)
    • S(a);N_GUARD::QAR1(H)
    • S(a);N_GUARD::QAR1(H),XS(a)
  • Actual
    • R(I);XP(j)
    • Threat
      • R(I)
    • Vars
      • B(h);N_GUARD,XQ(H)::S(C),XP(b)
      • S(a);N_GUARD::QAR1(H)
      • S(a);N_GUARD::QAR1(H),XS(a)
      • Q(d);P_PINR(I),S_CUTB(h)::S(C),XP(b)
      • Q(d);S_CUTB(l)::B(E)
      • B(h);N_SPINQ(d),P_PINR(I),S_CUTQ(d)::QAR1(H)
      • B(l);N_SPINQ(d),P_PINQ(H),S_CUTQ(d)::R1(I)
      • P(i);OGATEB::QAB(H)
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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).