MESON Chess Problem Database

Problem Display
PID: 269877 (5q2/5P2/6nB/Q7/1pNpk3/1K1N4/2P1rbP1/8 w - - 0 1)

Chicco, Adriano

L'Italia Scacchistica, 1936

5q2/5P2/6nB/Q7/1pNpk3/1K1N4/2P1rbP1/8

#2

8 + 7

15601 Albrecht-Leiss-Degener Collection 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Qd6
      • 2.Sxd6#
    • 1...Qg7
      • 2.Sd6#
    • 1...Qa8
      • 2.Sd6#
    • 1...Qc8
      • 2.Sd6#
    • 1...Qe8
      • 2.Sd6#
    • 1...Qg8
      • 2.Sd6#
    • 1...Qh8
      • 2.Sd6#
    • 1...Re1
      • 2.Sxf2#
      • 2.Sd2#
    • 1...Rd2
      • 2.Sxd2#
    • 1...Re3
      • 2.Sd2#
    • 1...Sf4
      • 2.Qe5#
    • 1...Sh4
      • 2.Qe5#
    • 1...Se5
      • 2.Qxe5#
    • 1...Se7
      • 2.Sd6#
      • 2.Qe5#
    • 1...Sh8
      • 2.Qe5#
  • Keys
    • 1.Qh5!
      • threat
        • 2.Qf3#
      • 1...Qxf7
        • 2.Sc5#
      • 1...Se5
        • 2.Qxe5#
      • 1...Re3
        • 2.Sd2#
      • 1...Sf4
        • 2.Qe5#
      • 1...Sh4
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 9
  • Sets
    • Q(g);N_GUARD::S(E),XQ(g)
    • Q(g);N_GUARD::S(E)
    • R(a);N_GUARD::S(E),XR(a)
    • R(a);N_GUARD,P_PINS(D)::S(E)
    • S(f);N_GUARD::QAR1(F)
    • S(f);N_GUARD::QAR1(F),XS(f)
  • Actual
    • Q(F);
    • Threat
      • QAB1(F)
    • Vars
      • Q(g);N_GUARD,P_PINS(E),XP(H)::S(D)
      • S(f);N_GUARD::QAR1(F),XS(f)
      • R(a);N_GUARD,P_PINS(D)::S(E)
      • S(f);N_GUARD::QAR1(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).