MESON Chess Problem Database

Problem Display
PID: 64743 (8/2n5/8/1R6/3k4/2NP3Q/1KR2r1n/4N2b w - - 0 1)

Letzen, Einar

2nd HM., Good Companions (January Meredith Ty.), 1922

8/2n5/8/1R6/3k4/2NP3Q/1KR2r1n/4N2b

#2

7 + 5

3132 The Good Companion Two-Mover 1922

SOLUTION

  • SOUND
  • Sets
    • 1...Rf1
      • 2.Se2#
    • 1...Rxc2+
      • 2.Sxc2#
    • 1...Re2
      • 2.Sxe2#
    • 1...Rf4
      • 2.Se2#
    • 1...Rf5
      • 2.Se2#
    • 1...Rf6
      • 2.Se2#
    • 1...Rf7
      • 2.Se2#
    • 1...Rf8
      • 2.Se2#
  • Keys
    • 1.Re2!
      • threat
        • 2.Sc2#
        • 2.Qe3#
      • 1...Rxe2+
        • 2.Sxe2#
      • 1...Sxb5
        • 2.Qe3#
      • 1...Rf3
        • 2.Re4#
      • 1...Bf3
        • 2.Qh8#
      • 1...Sf1
        • 2.Sc2#
      • 1...Sf3
        • 2.Qg4#
      • 1...Sg4
        • 2.Sc2#
      • 1...Sd5
        • 2.Sc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 7
  • Sets
    • R(b);N_GUARD,N_PINR(C)::S(D)
    • R(b);CHECK,XR(C)::S(A),XR(b)
    • R(b);N_GUARD::S(D),XR(b)
  • Actual
    • R(C);
    • Threat
      • DUALS(2)
    • Vars
      • R(b);CHECK,XR(C)::S(D),XR(b)
      • S(e);XR(G)::QAB1(F)
      • R(b);N_PINR(C)::R1(C)
      • B(a);S_CUTR(b)::QAB(F)
      • S(c);::S(A)
      • S(c);N_GUARD,S_CUTB(a),S_CUTR(b)::QAR(F)
      • S(e);::S(A)
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).