MESON Chess Problem Database

Problem Display
PID: 170042 (7K/pP2P3/qpn1pp1N/R2Pk2p/1Q1n4/1p3Pb1/3Np1P1/1bBR4 w - - 0 1)

Rizzetti, Dante Hugo

Enroque!!, 1947

7K/pP2P3/qpn1pp1N/R2Pk2p/1Q1n4/1p3Pb1/3Np1P1/1bBR4

#2

12 + 13

16325 Seleccion de Problemas de Dante Hugo Rizzetti (Kapros) 2013
6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Sc4#
    • 1...Qc4
      • 2.Sxc4#
    • 1...Qxb7
      • 2.Sc4#
    • 1...Sxf3
      • 2.Sxf3#
    • 1...Sb5
      • 2.Sc4#
    • 1...Sf5
      • 2.Sf7#
    • 1...Sxb4
      • 2.b8Q#
      • 2.b8B#
    • 1...Sxe7
      • 2.b8Q#
      • 2.b8B#
    • 1...Sd8
      • 2.b8Q#
      • 2.b8B#
  • Keys
    • 1.e8S!
      • threat
        • 2.Qd6#
      • 1...Kf4
        • 2.Sc4#
      • 1...Sxf3
        • 2.Sxf3#
      • 1...Sxb4
        • 2.b8Q#
        • 2.b8B#
      • 1...Sc2
        • 2.Qe4#
      • 1...Sb5
        • 2.Sc4#
      • 1...Sf5
        • 2.Sf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • K(f);P_SPINS(e),S_FLIGHT::B(A)+S(C)
    • Q(h);N_GUARD::S(C),XQ(h)
    • Q(h);N_GUARD,XP(J)::S(C)
    • S(e);XP(E)::S(C),XS(e)
    • S(e);S_CUTQ(h)::S(C)
    • S(e);SBLOCK::S(I)
    • S(j);N_GUARD,XQ(F)::P=Q
    • S(j);N_GUARD,XP(K)::P=Q
    • S(j);N_GUARD::P=Q
  • Actual
    • P(K);
    • Threat
      • QAB1(F)
    • Vars
      • K(f);P_SPINS(e),S_FLIGHT::B(A)+S(C)
      • S(e);XP(E)::S(C),XS(e)
      • S(j);N_GUARD,XQ(F)::P=Q
      • S(e);OGATE::QAR1(F)
      • S(e);S_CUTQ(h)::S(C)
      • S(e);SBLOCK::S(I)
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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).