MESON Chess Problem Database

Problem Display
PID: 108842 (1k6/pPb5/3n4/2Q5/3N4/7p/7B/4R1KB w - - 0 1)

Legentil, Georges

L'Astucieux, 1946

(First published on Fri Nov 15 1946)

1k6/pPb5/3n4/2Q5/3N4/7p/7B/4R1KB

#2

7 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ba5
      • 2.Qc8#
    • 1...Bb6
      • 2.Qc8#
    • 1...Bd8
      • 2.Qc8#
    • 1...Sc4
      • 2.Bxc7#
      • 2.Re8#
      • 2.Qf8#
      • 2.Qxc7#
    • 1...Se4
      • 2.Qxc7#
    • 1...Sb5
      • 2.Re8#
      • 2.Qf8#
    • 1...Sf5
      • 2.Bxc7#
      • 2.Re8#
      • 2.Qf8#
      • 2.Qxc7#
    • 1...Sf7
      • 2.Bxc7#
      • 2.Qxc7#
    • 1...Sc8
      • 2.Bxc7#
      • 2.Qxc7#
    • 1...Se8
      • 2.Rxe8#
  • Tries
    • 1.Bxd6?
      • threat
        • 2.Bxc7#
        • 2.Re8#
        • 2.Qxc7#
      • 1...Bxd6
        • 2.Re8#
        • 2.Qxd6#
        • 2.Qc8#
      • 1...a5
        • 2.Bxc7#
        • 2.Re8#
      • 1...a6
        • 2.Bxc7#
        • 2.Re8#
      • 1...h2+!
    • 1.Re8+?
      • 1...Bd8
        • 2.Bxd6#
        • 2.Rxd8#
        • 2.Qxd6#
        • 2.Qc8#
      • 1...Sc8
        • 2.Bxc7#
        • 2.Rxc8#
        • 2.Qxc7#
        • 2.bxc8Q#
        • 2.bxc8R#
      • 1...Sxe8!
  • Keys
    • 1.Rb1!
      • threat
        • 2.Sc6#
      • 1...Sxb7
        • 2.Qf8#
      • 1...Bb6
        • 2.Qc8#
      • 1...Ba5
        • 2.Qc8#
      • 1...Bd8
        • 2.Qc8#
      • 1...Sb5
        • 2.Qf8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • B(d);OGATE,P_SPINS(b)::QAR1(F)
    • S(b);P_SPINB(d)::QAB1(F),XB(d)
    • S(b);N_GUARD,P_SPINB(d)::R(A),XS(b)
  • Tries
    • Try
      • B(D);P_PINB(d),XS(b)
      • Threat
        • DUALS(3)
      • Refutation
        • P(a);CHECK
    • Try
      • R(A);CHECK
      • Refutation
        • S(b);P_SPINB(d),XR(A)
  • Actual
    • R(A);
    • Threat
      • S(E)
    • Vars
      • S(b);OGATE,P_SPINB(d),P_SPINS(b),XP(G)::QAR(F)
      • B(d);OGATE,P_SPINS(b)::QAR1(F)
      • S(b);OGATE,P_SPINB(d)::QAR(F)
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).