MESON Chess Problem Database

Problem Display
PID: 58090 (3K1NbB/P2p1kPp/Q2PN1rp/2p1P1p1/n7/5B2/8/8 w - - 0 1)

Cuppini, Alessandro

Torre & Cavallo - Scacco!, 2001

3K1NbB/P2p1kPp/Q2PN1rp/2p1P1p1/n7/5B2/8/8

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...dxe6
      • 2.Qb7#
  • Tries
    • 1.Sxg5+?
      • 1...Rxg5
        • 2.Bd5#
        • 2.Qc4#
      • 1...hxg5!
    • 1.Qf1?
      • threat
        • 2.Bh5#
      • 1...h5
        • 2.Bxh5#
      • 1...g4!
    • 1.Qxa4?
      • threat
        • 2.Qxd7#
      • 1...dxe6
        • 2.Qd7#
        • 2.Qe8#
      • 1...Rxe6!
  • Keys
    • 1.Bd5!
      • threat
        • 2.Sxg5#
      • 1...Rxe6
        • 2.Qf1#
      • 1...Rxg7
        • 2.Qf1#
      • 1...dxe6
        • 2.Qb7#
      • 1...g4
        • 2.Sg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(f);OGATEB,XS(E)::QAR(C)
  • Tries
    • Try
      • S(E);CHECK,XP(c)
      • Refutation
        • P(e);XS(E)
    • Try
      • Q(C);
      • Threat
        • QAR(C)+B(A)
      • Vars
        • P(e);::QAR(C)+B(A),XP(e)
      • Refutation
        • P(c);
    • Try
      • Q(C);XS(a)
      • Threat
        • QAR2(C),XP(f)
      • Refutation
        • R(d);XS(E)
  • Actual
    • B(A);
    • Threat
      • B(A)+S(E),DCHECK,XP(c)
    • Vars
      • R(d);N_GUARD,P_SPINR(d),XS(E)::QAR(C)
      • R(d);N_GUARD,XP(G)::QAR(C)
      • P(f);OGATEB,P_SPINP(f),XS(E)::QAR(C)
      • P(c);::B(A)+S(E),DCHECK
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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).