MESON Chess Problem Database

Problem Display
PID: 21184 (3bn3/5N2/5p2/3k1p2/2RNr3/1B2Rrp1/K5Q1/5n2 w - - 0 1)

Ellerman, Arnoldo

Good Companions (March), 1917

3bn3/5N2/5p2/3k1p2/2RNr3/1B2Rrp1/K5Q1/5n2

#2

7 + 9

3132 The Good Companion Two-Mover 1922

SOLUTION

  • SOUND
  • Keys
    • 1.Se6!
      • threat
        • 2.Rc5#
      • 1...Rf2+
        • 2.Rc2#
      • 1...Kxe6
        • 2.Rc7#
      • 1...Rexe3
        • 2.Sf4#
      • 1...Rxc4
        • 2.Qxf3#
      • 1...Rxe6
        • 2.Rd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(F);
    • Threat
      • B(C)+R(E),DCHECK
    • Vars
      • R(b);CHECK,P_SPINR(d)::B(C)+R(E)
      • K(e);P_SPINR(d),S_FLIGHT,XS(F)::B(C)+R(E)
      • R(d);N_GUARD,P_SPINR(b),XR(D)::S(F)
      • R(d);OGATEB,P_SPINR(b),XR(E)::QAB(B),XR(b)
      • R(d);N_GUARD,P_SPINR(b),SBLOCK,XS(F)::R(D)
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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).