MESON Chess Problem Database

Problem Display
PID: 49513 (7B/1p1N4/1P6/8/K1k2p2/6nP/3nP3/2bN1BRQ w - - 0 1)

Lartigue, J

Het Belgisch Schaakbord (L'Echiquier Belge), 1948

7B/1p1N4/1P6/8/K1k2p2/6nP/3nP3/2bN1BRQ

#2

10 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Bb2
      • 2.Sxb2#
    • 1...Sxe2
      • 2.Bxe2#
    • 1...f3
      • 2.Se3#
  • Tries
    • 1.Qf3?
      • threat
        • 2.Qd3#
      • 1...Sxe2
        • 2.Bxe2#
      • 1...Sxf3!
  • Keys
    • 1.Rxg3!
      • threat
        • 2.Rc3#
      • 1...fxg3
        • 2.Se3#
      • 1...Sf3
        • 2.e4#
      • 1...Se4
        • 2.Qxe4#
      • 1...f3
        • 2.Se3#
      • 1...Bb2
        • 2.Sxb2#
      • 1...Sb1
        • 2.Qe4#
        • 2.e3#
        • 2.e4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • B(a);N_GUARD::S(A),XB(a)
    • S(c);OGATE,P_SPINS(c),XP(E)::B(B),XS(c)
    • P(e);N_GUARD::S(A)
  • Tries
    • Try
      • Q(D);
      • Threat
        • QAB1(D)
      • Vars
        • S(c);OGATE,P_SPINS(c),XP(E)::B(B),XS(c)
      • Refutation
        • S(b);XQ(D)
  • Actual
    • R(C);XS(c)
    • Threat
      • R1(C)
    • Vars
      • P(e);N_GUARD,XR(C)::S(A)
      • S(b);N_GUARD::B(B)+P(E)
      • S(b);N_GUARD::QAR2(D),XS(b)
      • P(e);N_GUARD::S(A)
      • B(a);N_GUARD::S(A),XB(a)
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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).