MESON Chess Problem Database

Problem Display
PID: 248655 (8/3K1R2/3N2p1/2Npknp1/1Qp5/B2q1B2/3RrPP1/8 w - - 0 1)

Leroy, Dominique

Het Belgisch Schaakbord (L'Echiquier Belge), 2002

8/3K1R2/3N2p1/2Npknp1/1Qp5/B2q1B2/3RrPP1/8

#2

10 + 8

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Bb2#
    • 1...Kf4
      • 2.Sxd3#
    • 1...c3
      • 2.Sxd3#
  • Tries
    • 1.Sxd3+?
      • 1...Kd4
        • 2.Sb5#
        • 2.Bb2#
      • 1...cxd3!
    • 1.Re7+?
      • 1...Kd4
        • 2.Sb3#
        • 2.Sb5#
        • 2.Bb2#
        • 2.Rxd3#
      • 1...Kf4
        • 2.Sxd3#
      • 1...Kf6
        • 2.Se8#
      • 1...Sxe7!
  • Keys
    • 1.Qb8!
      • threat
        • 2.Sxf5#
      • 1...Kd4
        • 2.Sb5#
      • 1...Kf4
        • 2.Sde4#
      • 1...Sxd6
        • 2.Qh8#
      • 1...Qb1
        • 2.Sxc4#
      • 1...Qb3
        • 2.Sxc4#
      • 1...Se3
        • 2.Sb5#
        • 2.Sf5#
        • 2.Qh8#
      • 1...Sg3
        • 2.Sb5#
        • 2.Sf5#
        • 2.Qh8#
      • 1...Sd4
        • 2.Sxc4#
        • 2.Sde4#
        • 2.Sb5#
        • 2.Sf5#
        • 2.Sdb7#
        • 2.Sc8#
        • 2.Se8#
        • 2.Qh8#
      • 1...Sh4
        • 2.Sb5#
        • 2.Sf5#
        • 2.Qh8#
      • 1...Sh6
        • 2.Sb5#
        • 2.Sf5#
        • 2.Qh8#
      • 1...Se7
        • 2.Sb5#
        • 2.Sf5#
        • 2.Qh8#
      • 1...Sg7
        • 2.Sb5#
        • 2.Sf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • K(e);P_SPINP(c),P_SPINQ(b),S_FLIGHT::B(D)
    • K(e);P_SPINP(c),P_SPINS(f),S_FLIGHT::S(G),XQ(b)
    • P(c);N_GUARD::S(G),XQ(b)
  • Tries
    • Try
      • S(G);CHECK,XQ(b)
      • Refutation
        • P(c);XS(G)
    • Try
      • R(J);CHECK
      • Vars
        • K(e);P_SPINP(c),S_FLIGHT::S(G),XQ(b)
        • K(e);S_FLIGHT::S(H)
      • Refutation
        • S(f);XR(J)
  • Actual
    • Q(F);
    • Threat
      • QAB(F)+S(H),XS(f)
    • Vars
      • K(e);P_SPINQ(b),S_FLIGHT::S(H)
      • K(e);P_SPINS(f),S_FLIGHT::QAB(F)+S(H)
      • S(f);N_GUARD,P_SPINS(f),XS(H)::QAB(F)
      • Q(b);::QAB(F)+S(H),DCHECK,XP(c)
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).