MESON Chess Problem Database

Problem Display
PID: 157816 (2br2B1/3Q4/2p1n2p/1PBrq1p1/2kPRpN1/bR2P2K/P7/3N4 w - - 0 1)

Giacobbe, Daniele

Best Problems, 2008

2br2B1/3Q4/2p1n2p/1PBrq1p1/2kPRpN1/bR2P2K/P7/3N4

#2

12 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc5
      • 2.dxe5#
    • 1...Bb2
      • 2.Sxb2#
    • 1...Bxc5
      • 2.Sb2#
    • 1...Sxc5
      • 2.Sxe5#
    • 1...Sc7
      • 2.Sxe5#
    • 1...Sg7
      • 2.Sxe5#
    • 1...Sf8
      • 2.Sxe5#
    • 1...fxe3
      • 2.Sdxe3#
      • 2.Sgxe3#
    • 1...cxb5
      • 2.Rc3#
      • 2.Qxb5#
  • Keys
    • 1.Qxc6!
      • threat
        • 2.Rc3#
      • 1...Rxc5
        • 2.Sxe5#
      • 1...Bxc5
        • 2.Sb2#
      • 1...Sxc5
        • 2.dxe5#
      • 1...Bb2
        • 2.Sxb2#
      • 1...Bb4
        • 2.Sb2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • R(d);N_GUARD,P_SPINS(h),SBLOCK,XB(J)::R(G)+P(F),XQ(e)
    • B(a);N_GUARD::S(A),XB(a)
    • B(a);N_GUARD,XB(J)::S(A)
    • S(h);P_SPINR(d),XB(J)::S(H),XQ(e)
    • S(h);P_SPINR(d)::S(H),XQ(e)
  • Actual
    • Q(K);XP(g)
    • Threat
      • R1(C)
    • Vars
      • R(d);N_GUARD,P_SPINR(d),P_SPINS(h),XB(J)::S(H),XQ(e)
      • B(a);N_GUARD,P_SPINB(a),XB(J)::S(A)
      • S(h);N_GUARD,P_PINS(H),P_SPINR(d),P_SPINS(h),XB(J)::R(G)+P(F),XQ(e)
      • B(a);N_GUARD::S(A),XB(a)
      • B(a);N_GUARD::S(A)
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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).