MESON Chess Problem Database

Problem Display
PID: 139073 (b1R5/4pp1p/B4p1K/2pkBQnP/2r5/2P3rp/3b2N1/1n1R4 w - - 0 1)

Guidelli, Giorgio

Il Secolo, 1915

b1R5/4pp1p/B4p1K/2pkBQnP/2r5/2P3rp/3b2N1/1n1R4

#2

9 + 13

35 L'Italia Scacchistica 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Re3
      • 2.Sxe3#
    • 1...Rgg4
      • 2.Se3#
    • 1...Rxc3
      • 2.Sf4#
    • 1...Rf4
      • 2.Sxf4#
    • 1...Bb7
      • 2.Bxb7#
    • 1...Sf3+
      • 2.Se3#
    • 1...Se4+
      • 2.Sf4#
    • 1...Se6+
      • 2.Bf4#
  • Tries
    • 1.Bxf6+?
      • 1...e5
        • 2.Qxe5#
      • 1...Kd6!
    • 1.Rxd2+?
      • 1...Rd3
        • 2.Se3#
      • 1...Rd4
        • 2.Sf4#
        • 2.c4#
      • 1...Sxd2!
  • Keys
    • 1.Bb5!
      • threat
        • 2.Rd8#
      • 1...Sf3+
        • 2.Se3#
      • 1...Se4+
        • 2.Sf4#
      • 1...Se6+
        • 2.Bf4#
      • 1...Bc6
        • 2.Bxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • R(c);N_GUARD::S(B),XR(c)
    • R(c);N_GUARD::S(B)
    • R(e);N_GUARD,XP(C)::S(B)
    • R(e);N_GUARD::S(B),XR(e)
    • B(m);N_GUARD::B(G),XB(m)
    • S(h);CHECK,S_CUTR(c)::S(B)
    • S(h);CHECK,S_CUTR(e)::S(B)
    • S(h);CHECK,S_CUTP(j)::QAR(E)+B(D)
  • Tries
    • Try
      • B(D);CHECK,XP(i)
      • Vars
        • P(j);P_SPINP(j)::QAR1(E),XP(j)
      • Refutation
        • K(g);P-FLIGHT
    • Try
      • R(A);CHECK,XB(b)
      • Vars
        • R(c);P_SPINR(c)::S(B)
      • Refutation
        • S(a);XR(A)
  • Actual
    • B(G);
    • Threat
      • R(I)
    • Vars
      • S(h);CHECK,S_CUTR(c)::S(B)
      • S(h);CHECK,S_CUTR(e)::S(B)
      • S(h);CHECK,S_CUTP(j)::QAR(E)+B(D)
      • B(m);N_GUARD::B(G),XB(m)
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).