MESON Chess Problem Database

Problem Display
PID: 149383 (8/1p1N1Q1q/4RNp1/b2pp2r/P1k1p3/P3P3/2K2n2/8 w - - 0 1)

del Favero, Marino

Il Due Mosse, 1955

8/1p1N1Q1q/4RNp1/b2pp2r/P1k1p3/P3P3/2K2n2/8

#2

8 + 10

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...d4
      • 2.Rc6#
    • 1...b5
      • 2.Rc6#
    • 1...b6
      • 2.Rc6#
  • Tries
    • 1.Sxe5+?
      • 1...Kc5
        • 2.Sfd7#
      • 1...Rxe5!
    • 1.Sb6+?
      • 1...Kc5
        • 2.Sfd7#
      • 1...Bxb6!
  • Keys
    • 1.Sxe4!
      • threat
        • 2.Sd6#
      • 1...Sxe4
        • 2.Qf1#
      • 1...dxe4
        • 2.Rc6#
      • 1...d4
        • 2.Rc6#
      • 1...Bb4
        • 2.Sb6#
      • 1...Bc7
        • 2.Sd2#
      • 1...g5
        • 2.Sxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 2
  • Sets
    • P(e);::QAB(H)+R(E),DCHECK
    • P(i);N_GUARD::R(E)
  • Tries
    • Try
      • S(G);CHECK,XP(f)
      • Vars
        • K(b);P-FLIGHT::S(F)
      • Refutation
        • R(g);XS(G)
    • Try
      • S(G);CHECK
      • Vars
        • K(b);P-FLIGHT::S(F)
      • Refutation
        • B(d);XS(G)
  • Actual
    • S(F);XP(c)
    • Threat
      • S(F)
    • Vars
      • S(a);OGATE,XS(F)::QAB(H)
      • P(e);XS(F)::QAB(H)+R(E),DCHECK
      • P(e);::QAB(H)+R(E),DCHECK
      • B(d);N_GUARD::S(G)
      • B(d);N_GUARD::S(F)
      • P(h);P_PINS(F),S_CUTR(g)::S(G),XP(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).