MESON Chess Problem Database

Problem Display
PID: 104486 (B4N2/4N3/3b1np1/4k2b/3p1p1B/p3p1r1/K5p1/1Q6 w - - 0 1)

Nesic, Milivoj S

Saletic, Slobodan

Schakend Nederland, 1967

B4N2/4N3/3b1np1/4k2b/3p1p1B/p3p1r1/K5p1/1Q6

#2

6 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bg4
      • 2.Sexg6#
    • 1...Bb8
      • 2.Qxb8#
    • 1...Se4
      • 2.Qxe4#
    • 1...Sg4
      • 2.Qe4#
    • 1...Sd5
      • 2.Sc6#
    • 1...Sd7
      • 2.Qe4#
    • 1...Sh7
      • 2.Qe4#
    • 1...Se8
      • 2.Qe4#
    • 1...Sg8
      • 2.Qe4#
    • 1...d3
      • 2.Qa1#
    • 1...f3
      • 2.Bxg3#
    • 1...g5
      • 2.Qf5#
  • Tries
    • 1.Sd7+?
      • 1...Sxd7
        • 2.Qe4#
      • 1...Ke6!
    • 1.Qb5+?
      • 1...Sd5
        • 2.Qxd5#
      • 1...Bc5!
  • Keys
    • 1.Qb3!
      • threat
        • 2.Qe6#
      • 1...Sd5
        • 2.Qxd5#
      • 1...d3
        • 2.Qc3#
      • 1...f3
        • 2.Bxg3#
      • 1...Bg4
        • 2.Sfxg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 0
    • REMOVED MATES = 8
  • Sets
    • B(h);N_GUARD,S_CUTR(d)::S(D),XP(k)
    • B(i);OGATEB::QAB(A),XB(i)
    • S(j);N_GUARD::QAR1(A),XS(j)
    • S(j);N_GUARD::QAR1(A)
    • S(j);SBLOCK::S(D)
    • P(e);OGATEB::QAB(A)
    • P(f);OGATEB::B(C),XR(d)
    • P(k);N_GUARD::QAR1(A)
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • S(j);XS(F)::QAR1(A)
      • Refutation
        • K(g);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • S(j);N_GUARD,P_SPINS(j)::QAR1(A),XS(j)
      • Refutation
        • B(i);P_SPINB(i)
  • Actual
    • Q(A);
    • Threat
      • QAR1(A)
    • Vars
      • S(j);N_GUARD::QAR1(A),XS(j)
      • P(e);OGATEB::QAB(A)
      • P(f);OGATEB::B(C),XR(d)
      • B(h);N_GUARD,S_CUTR(d)::S(F),XP(k)
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).