MESON Chess Problem Database

Problem Display
PID: 38288 (1b3N2/3K4/6B1/RNpkpn1b/3P4/1P1R3r/4P2Q/2q2rB1 w - - 0 1)

Peris Pardo, Julio

1st Prize, L'Italia Scacchistica, 1953

1b3N2/3K4/6B1/RNpkpn1b/3P4/1P1R3r/4P2Q/2q2rB1

#2

11 + 9

785 Het Belgisch Schaakbord (L'Echiquier Belge) 1955
3105 FIDE Album (1945-1955) 1964

SOLUTION

  • SOUND
  • Sets
    • 1...Qa3
      • 2.Sc3#
    • 1...Qe3
      • 2.Sc3#
    • 1...Qf4
      • 2.Sc3#
    • 1...Qg5
      • 2.Sc3#
    • 1...Qh6
      • 2.Sc3#
    • 1...Qb1
      • 2.Sc3#
    • 1...Qd1
      • 2.Sc3#
    • 1...Qc3
      • 2.Sxc3#
    • 1...Ba7
      • 2.Qxe5#
    • 1...Se3
      • 2.dxe5#
    • 1...Sg3
      • 2.dxc5#
    • 1...Sxd4
      • 2.e4#
    • 1...Sh4
      • 2.e4#
    • 1...Sd6
      • 2.Qxe5#
    • 1...Sh6
      • 2.e4#
    • 1...Se7
      • 2.e4#
    • 1...Sg7
      • 2.e4#
    • 1...cxd4
      • 2.Sc3#
    • 1...c4
      • 2.Sc3#
      • 2.Sd6#
  • Tries
    • 1.Sc7+?
      • 1...Ke4
        • 2.Qxe5#
      • 1...Bxc7!
  • Keys
    • 1.Sh7!
      • threat
        • 2.Sf6#
      • 1...Ke4
        • 2.Sf6#
      • 1...Sxd4
        • 2.e4#
      • 1...cxd4
        • 2.Sc3#
      • 1...Qg5
        • 2.Sc3#
      • 1...Se3
        • 2.dxe5#
      • 1...Sg3
        • 2.dxc5#
      • 1...Sh4
        • 2.e4#
      • 1...Sd6
        • 2.Qxe5#
      • 1...Sh6
        • 2.e4#
      • 1...Se7
        • 2.e4#
      • 1...Sg7
        • 2.e4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 8
  • Sets
    • Q(a);N_GUARD::S(H)
    • Q(a);N_GUARD::S(H),XQ(a)
    • B(i);N_GUARD::QAR1(C),XP(f)
    • S(g);N_GUARD,S_CUTR(c)::R(E)+P(F),XP(f)
    • S(g);N_GUARD,S_CUTR(c)::R(E)+P(F),XP(d)
    • S(g);P_SPINS(g),XP(F)::P(B)
    • S(g);::P(B)
    • S(g);S_CUTB(i)::QAR1(C),XP(f)
    • P(d);P_SPINP(d),XP(F)::R(G)+S(H),DCHECK
  • Tries
    • Try
      • S(H);CHECK,P_PINP(d)
      • Vars
        • K(e);N_SPINP(d),P_SPINS(g),S_FLIGHT::QAR1(C),XP(f)
      • Refutation
        • B(i);XS(H)
  • Actual
    • S(K);
    • Threat
      • S(K)
    • Vars
      • K(e);P_SPINS(g),S_FLIGHT::S(K)
      • S(g);P_SPINS(g),XP(F)::P(B)
      • P(d);P_SPINP(d),XP(F)::R(G)+S(H),DCHECK
      • Q(a);N_GUARD::S(H)
      • S(g);N_GUARD,S_CUTR(c)::R(E)+P(F),XP(f)
      • S(g);N_GUARD,S_CUTR(c)::R(E)+P(F),XP(d)
      • S(g);::P(B)
      • S(g);S_CUTB(i)::QAR1(C),XP(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).