MESON Chess Problem Database

Problem Display
PID: 140757 (r3k2r/1p1nbn1p/N2RpB2/3B4/4Q3/5p2/7R/1K6 w kq - 0 1)

Battaglia, Emilio

L'Echiquier, 1936

r3k2r/1p1nbn1p/N2RpB2/3B4/4Q3/5p2/7R/1K6

#2

7 + 10

102 Probleemblad 1976

SOLUTION

  • SOUND
  • Sets
    • 1...Bf8
      • 2.Sc7#
    • 1...Sf8
      • 2.Sc7#
    • 1...exd5
      • 2.Qxe7#
    • 1...0-0
      • 2.Qxh7#
    • 1...0-0-0
      • 2.Bxb7#
  • Keys
    • 1.Qxe6!
      • threat
        • 2.Qxe7#
      • 1...Kd8
        • 2.Qxd7#
      • 1...Kf8
        • 2.Qxf7#
      • 1...0-0
        • 2.Qg4#
      • 1...0-0-0
        • 2.Rc2#
      • 1...Sxf6
        • 2.Qxf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • B(e);P_SPINP(b),SBLOCK::S(E)
    • S(d);SBLOCK::S(E)
    • P(b);OGATE,P_SPINB(e),XB(D)::QAR1(C),XB(e)
    • K(i);0-0,OGATEB::QAB1(C),XP(g)
    • K(i);0-0-0,OGATEB::B(D),XP(c)
  • Actual
    • Q(C);P_PINB(e),XP(b)
    • Threat
      • QAR1(C),XB(e)
    • Vars
      • K(i);P-FLIGHT,P_SPINS(d)::QAR1(C),XS(d)
      • K(i);N_SPINB(e),P-FLIGHT::QAR1(C),XS(f)
      • K(i);0-0,N_SPINB(e),OGATEB,P_SPINS(f)::QAR(C)
      • K(i);0-0-0,N_SPINB(e),OGATEB,P_SPINS(d)::R(B)
      • S(d);XB(G)::QAB1(C),XS(f)
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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).