MESON Chess Problem Database

Problem Display
PID: 6863 (5K2/8/1Pk1pQ2/p1Nnr3/b2P4/N1R5/1r5B/1R5B w - - 0 1)

Bottacchi, Antonio

1st Prize, Il Problema, 1933-1934

5K2/8/1Pk1pQ2/p1Nnr3/b2P4/N1R5/1r5B/1R5B

#2

10 + 7

371 The Chess Review 1935
5862 An ABC of Chess Problems 1970
3098 FIDE Album (1914-1944) (I) 1971
133 The Problemist Supplement 2006

SOLUTION

  • SOUND
  • Sets
    • 1...Kd6
      • 2.Qxe6#
    • 1...Rg5
      • 2.Qxe6#
    • 1...Rh5
      • 2.Qxe6#
  • Keys
    • 1.Qf7!
      • threat
        • 2.Qc7#
      • 1...Kxb6
        • 2.Qb7#
      • 1...Kd6
        • 2.Se4#
        • 2.Sb7#
        • 2.Qxe6#
      • 1...Rxb6
        • 2.Sb7#
        • 2.Qd7#
      • 1...Rf2
        • 2.Sb7#
      • 1...Rg2
        • 2.Qd7#
      • 1...Re4
        • 2.Qb7#
      • 1...Rf5
        • 2.Sxa4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 3
  • Sets
    • K(f);N_SPINS(d),P-FLIGHT,P_SPINR(e)::QAR1(I),XP(g)
    • R(e);N_GUARD::QAR2(I),XP(g)
  • Actual
    • Q(I);N_PINP(g)
    • Threat
      • QAR1(I)
    • Vars
      • K(f);N_SPINS(d),P-FLIGHT,P_SPINR(a),XP(H)::QAR1(I)
      • R(a);P_PINQ(I)::R(E)+S(G)
      • R(a);N_SPINS(d)::QAB1(I)
      • R(e);N_SPINS(d)::QAB1(I)
      • R(e);P_PINQ(I)::R(E)+S(G),XB(b)
HTML5 logo

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).