MESON Chess Problem Database

Problem Display
PID: 69550 (1N6/4rr2/1Rb1ppQ1/2pk4/q1N1R3/1p3K2/1B2P3/5B2 w - - 0 1)

Servais, Albert

Nouvelle Gazette, 1954

1N6/4rr2/1Rb1ppQ1/2pk4/q1N1R3/1p3K2/1B2P3/5B2

#2

9 + 9

785 Het Belgisch Schaakbord (L'Echiquier Belge) 1957

SOLUTION

  • SOUND
  • Sets
    • 1...Bb5
      • 2.Se3#
      • 2.Rd6#
    • 1...Bb7
      • 2.Se3#
      • 2.Rd6#
    • 1...Bd7
      • 2.Se3#
      • 2.Rd6#
    • 1...Ba8
      • 2.Se3#
      • 2.Rd6#
    • 1...Be8
      • 2.Se3#
      • 2.Rd6#
  • Tries
    • 1.Re5+?
      • 1...Kxc4+
        • 2.e4#
      • 1...fxe5+!
  • Keys
    • 1.Rxe6!
      • threat
        • 2.Qe4#
      • 1...Kxc4+
        • 2.e4#
      • 1...Kxe6+
        • 2.Qe4#
      • 1...Qxc4
        • 2.Qf5#
      • 1...Rxe6
        • 2.Qd3#
      • 1...f5
        • 2.Se3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(F);CHECK
      • Vars
        • K(d);CHECK,S_FLIGHT,XS(E)::B(A)+P(C)
      • Refutation
        • P(g);CHECK,XR(F)
  • Actual
    • R(F);XP(f)
    • Threat
      • QAB1(H)
    • Vars
      • K(d);CHECK,S_FLIGHT,XS(E)::B(A)+P(C)
      • K(d);CHECK,P_SPINB(e),P_SPINP(g),S_FLIGHT,XR(F)::QAR2(H)
      • Q(b);SBLOCK,XS(E)::QAR2(H)
      • R(h);SBLOCK,XR(F)::QAR2(H)
      • P(g);::S(E)
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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).