MESON Chess Problem Database

Problem Display
PID: 164434 (1b2b3/3n2q1/1p4n1/1NpR1p2/K1P1k2r/2pp1R1p/8/2BB1N2 w - - 0 1)

Garofalo, Antonio

Probleemblad, 1978

1b2b3/3n2q1/1p4n1/1NpR1p2/K1P1k2r/2pp1R1p/8/2BB1N2

#2

8 + 13

SOLUTION

  • SOUND
  • Sets
    • 1...Qh6
      • 2.Sxc3#
    • 1...Qf8
      • 2.Sxc3#
    • 1...Qe7
      • 2.Sxc3#
    • 1...Qf7
      • 2.Sxc3#
    • 1...Qh7
      • 2.Sxc3#
    • 1...Qg8
      • 2.Sxc3#
    • 1...Rf4
      • 2.Sg3#
      • 2.Re3#
    • 1...Bg3
      • 2.Sxg3#
    • 1...Bd6
      • 2.Sxd6#
    • 1...Ba7
      • 2.Sg3#
      • 2.Sd6#
    • 1...Sf4
      • 2.Re3#
    • 1...Sge5
      • 2.Sxc3#
    • 1...Sde5
      • 2.Sg3#
    • 1...c2
      • 2.Sd2#
  • Tries
    • 1.Rfxd3?
      • threat
        • 2.Bf3#
      • 1...Rf4
        • 2.Sg3#
        • 2.Re3#
      • 1...Sge5
        • 2.Sxc3#
      • 1...Sde5
        • 2.Sg3#
      • 1...Qd4!
  • Keys
    • 1.Rf2!
      • threat
        • 2.Bf3#
      • 1...Rf4
        • 2.Sg3#
      • 1...Sge5
        • 2.Sxc3#
      • 1...Sde5
        • 2.Sg3#
      • 1...d2
        • 2.Bc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 10
  • Sets
    • Q(k);N_GUARD::S(G),XP(a)
    • B(l);N_GUARD::S(C),XB(l)
    • B(l);N_GUARD::S(G),XB(l)
    • S(i);SBLOCK::R1(D)
    • S(i);S_CUTQ(k)::S(G),XP(a)
    • S(j);P_PINS(G),S_CUTB(l)::S(C)
    • P(a);N_GUARD::S(C)
  • Tries
    • Try
      • R(D);XP(b)
      • Threat
        • B(B)
      • Vars
        • S(i);S_CUTQ(k)::S(G),XP(a)
        • S(j);P_PINS(G),S_CUTB(l)::S(C)
      • Refutation
        • Q(k);P_PINP(F)
  • Actual
    • R(D);
    • Threat
      • B(B)
    • Vars
      • R(e);S_CUTB(l)::S(C)
      • S(i);S_CUTQ(k)::S(G),XP(a)
      • S(j);P_PINS(G),S_CUTB(l)::S(C)
      • P(b);OGATEB::B(B)
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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).