MESON Chess Problem Database

Problem Display
PID: 243703 (5k1K/4RPN1/P2Pp2P/3p4/2p5/1p1rp3/3pPb2/qn1n1R2 w - - 0 1)

Battaglia, Emilio

Thema Danicum, 1979

5k1K/4RPN1/P2Pp2P/3p4/2p5/1p1rp3/3pPb2/qn1n1R2

#2

9 + 12

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qxg7+
      • 2.hxg7#
    • 1...Qa2
      • 2.Sxe6#
    • 1...Qa3
      • 2.Sxe6#
    • 1...Qa4
      • 2.Sxe6#
    • 1...Qa5
      • 2.Sxe6#
    • 1...Qxa6
      • 2.Sxe6#
    • 1...Rc3
      • 2.Sxe6#
    • 1...Rd4
      • 2.Sxe6#
    • 1...Be1
      • 2.Re8#
    • 1...Bg1
      • 2.Re8#
    • 1...Bg3
      • 2.Re8#
    • 1...Bh4
      • 2.Re8#
    • 1...Sbc3
      • 2.Sxe6#
    • 1...Sb2
      • 2.Sxe6#
    • 1...Sdc3
      • 2.Sxe6#
    • 1...b2
      • 2.Sxe6#
    • 1...c3
      • 2.Sxe6#
    • 1...d4
      • 2.Sxe6#
    • 1...e5
      • 2.Se6#
  • Keys
    • 1.a7!
      • 1...Qxg7+
        • 2.hxg7#
      • 1...Qxa7
        • 2.Sxe6#
      • 1...Qb2
        • 2.a8Q#
        • 2.a8R#
      • 1...Qc3
        • 2.a8Q#
        • 2.a8R#
      • 1...Qd4
        • 2.a8Q#
        • 2.a8R#
      • 1...Qe5
        • 2.a8Q#
        • 2.a8R#
      • 1...Qf6
        • 2.a8Q#
        • 2.a8R#
      • 1...Qa2
        • 2.Sxe6#
      • 1...Qa3
        • 2.Sxe6#
      • 1...Qa4
        • 2.Sxe6#
      • 1...Qa5
        • 2.Sxe6#
      • 1...Qa6
        • 2.Sxe6#
      • 1...Rc3
        • 2.Sxe6#
      • 1...Rd4
        • 2.Sxe6#
      • 1...Be1
        • 2.Re8#
      • 1...Bg1
        • 2.Re8#
      • 1...Bg3
        • 2.Re8#
      • 1...Bh4
        • 2.Re8#
      • 1...Sa3
        • 2.a8Q#
        • 2.a8R#
      • 1...Sbc3
        • 2.Sxe6#
      • 1...Sb2
        • 2.Sxe6#
      • 1...Sdc3
        • 2.Sxe6#
      • 1...b2
        • 2.Sxe6#
      • 1...c3
        • 2.Sxe6#
      • 1...d4
        • 2.Sxe6#
      • 1...e5
        • 2.Se6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • Q(a);CHECK,OGATE,XS(H)::P(E),XQ(a)
    • Q(a);N_PINS(H)::S(H),XP(k)
    • Q(a);N_PINS(H),XP(C)::S(H),XP(k)
    • R(g);N_PINS(H)::S(H),XP(k)
    • B(e);::R1(F)
    • S(b);N_PINS(H)::S(H),XP(k)
    • S(c);N_PINS(H)::S(H),XP(k)
    • P(f);N_PINS(H)::S(H),XP(k)
    • P(i);N_PINS(H)::S(H),XP(k)
    • P(j);N_PINS(H)::S(H),XP(k)
    • P(k);N_PINS(H)::S(H)
  • Actual
    • P(C);
    • Vars
      • Q(a);CHECK,OGATE,XS(H)::P(E),XQ(a)
      • Q(a);N_PINS(H),XP(C)::S(H),XP(k)
      • Q(a);N_GUARD::P=Q
      • Q(a);N_PINS(H)::S(H),XP(k)
      • R(g);N_PINS(H)::S(H),XP(k)
      • B(e);::R1(F)
      • S(b);S_CUTQ(a)::P=Q
      • S(b);N_PINS(H)::S(H),XP(k)
      • S(c);N_PINS(H)::S(H),XP(k)
      • P(f);N_PINS(H)::S(H),XP(k)
      • P(i);N_PINS(H)::S(H),XP(k)
      • P(j);N_PINS(H)::S(H),XP(k)
      • P(k);N_PINS(H)::S(H)
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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).