MESON Chess Problem Database

Problem Display
PID: 156672 (K2QB3/1np5/p4p1q/k1p4R/N7/5n2/7b/1R5b w - - 0 1)

Garofalo, Antonio

Sinfonie Scacchistiche, 1978

K2QB3/1np5/p4p1q/k1p4R/N7/5n2/7b/1R5b

#2

6 + 10

4901 Best Problems 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Bg1
      • 2.Qxc7#
    • 1...Se5
      • 2.Qxc7#
    • 1...Sg5
      • 2.Qd2#
    • 1...Sd6
      • 2.Qxc7#
    • 1...Sxd8
      • 2.Rxc5#
  • Keys
    • 1.Sxc5!
      • threat
        • 2.Sxb7#
      • 1...Sxc5
        • 2.Rxc5#
      • 1...Sxd8
        • 2.Sb7#
      • 1...Se5
        • 2.Qxc7#
      • 1...Sg5
        • 2.Qd2#
      • 1...Sd6
        • 2.Sb7#
        • 2.Qxc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • B(b);N_GUARD::QAB(E),XP(j)
    • S(c);N_SPINP(e),P_SPINP(j),S_CUTB(b)::QAB(E),XP(j)
    • S(c);N_GUARD,N_SPINP(e),P_SPINP(j),S_CUTQ(h)::QAB(E)
    • S(i);S_CUTB(b)::QAB(E),XP(j)
    • S(i);N_GUARD,XQ(E)::R(C),XP(e)
  • Actual
    • S(B);P_PINP(j),XP(e)
    • Threat
      • R(C)+S(B),DCHECK,XS(i)
    • Vars
      • S(i);OGATE,P_SPINS(i),XS(B)::R(C),XS(i)
      • S(i);N_SPINP(j),XQ(E)::R(C)+S(B),DCHECK
      • S(c);S_CUTB(b)::QAB(E),XP(j)
      • S(c);N_GUARD,S_CUTQ(h)::QAB(E)
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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).