MESON Chess Problem Database

Problem Display
PID: 108936 (rN6/pk6/1pR5/1B2Bp2/r6p/8/5Q1K/1b6 w - - 0 1)

Mentasti, Gino

L'Italia Scacchistica, 0000

rN6/pk6/1pR5/1B2Bp2/r6p/8/5Q1K/1b6

#2

6 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rb4
      • 2.Ba6#
    • 1...Rc4
      • 2.Ba6#
    • 1...Rd4
      • 2.Ba6#
    • 1...Re4
      • 2.Ba6#
    • 1...Rf4
      • 2.Ba6#
    • 1...Rg4
      • 2.Ba6#
    • 1...Ra6
      • 2.Bxa6#
    • 1...a5
      • 2.Qxb6#
    • 1...a6
      • 2.Qxb6#
  • Keys
    • 1.Qg2!
      • threat
        • 2.Qg7#
      • 1...Rxb8
        • 2.Rc7#
      • 1...Ra2
        • 2.Rc2#
      • 1...Rd4
        • 2.Ba6#
      • 1...Rg4
        • 2.Ba6#
      • 1...Ba2
        • 2.Rc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 7
  • Sets
    • R(b);N_GUARD::B(C)
    • R(b);N_GUARD::B(C),XR(b)
    • P(f);N_GUARD::QAR1(A),XP(e)
  • Actual
    • Q(A);
    • Threat
      • QAR(A)
    • Vars
      • R(h);SBLOCK,XS(F)::QAB(A)+R(E),DCHECK
      • R(b);N_GUARD,P_PINQ(A)::QAB(A)+R(E)
      • R(b);N_GUARD::B(C)
      • B(a);N_GUARD::QAB(A)+R(E)
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).