MESON Chess Problem Database

Problem Display
PID: 174022 (3R4/B1pp4/6Q1/3kp3/Pn4BK/bp3p1p/1P1n4/2r5 w - - 0 1)

Bottacchi, Antonio

L'Illustrazione Italiana, 1920

3R4/B1pp4/6Q1/3kp3/Pn4BK/bp3p1p/1P1n4/2r5

#2

7 + 11

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Rc4
      • 2.Rxd7#
    • 1...Se4
      • 2.Qe6#
    • 1...e4
      • 2.Qe6#
  • Keys
    • 1.Bxd7!
      • threat
        • 2.Bb5#
      • 1...Rc4+
        • 2.Bg4#
      • 1...Kc4
        • 2.Bb5#
      • 1...e4
        • 2.Qe6#
      • 1...Rc6
        • 2.Be6#
      • 1...Sc4
        • 2.Bc6#
      • 1...Se4
        • 2.Qe6#
      • 1...Sa2
        • 2.Qd3#
      • 1...Sc2
        • 2.Qc6#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Sa6
        • 2.Qd3#
      • 1...Sc6
        • 2.Be6#
      • 1...c6
        • 2.Be6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • R(a);P_PINB(C),SBLOCK::R(G),XP(k)
    • S(b);SBLOCK::QAB1(E)
    • P(i);::QAB1(E)
  • Actual
    • B(C);XP(k)
    • Threat
      • R(G)+B(C)
    • Vars
      • R(a);CHECK,SBLOCK::R(G)+B(C)
      • K(h);S_FLIGHT::B(C)
      • P(i);::QAB1(E)
      • R(a);SBLOCK::R(G)+B(C),DCHECK
      • S(b);SBLOCK::R(G)+B(C),DCHECK
      • S(b);SBLOCK::QAB1(E)
      • S(g);N_GUARD::QAR2(E)
      • S(g);N_GUARD,S_CUTR(a)::QAB1(E)
      • S(g);N_GUARD::QAR2(E),XS(g)
      • S(g);SBLOCK::R(G)+B(C),DCHECK
      • P(j);SBLOCK::R(G)+B(C),DCHECK
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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).