MESON Chess Problem Database

Problem Display
PID: 182316 (1B2K3/pp1Q4/q2PPp2/3Bkp2/P2p1N1n/5R2/8/4n3 w - - 0 1)

Elkhan, Alexander A

4th Prize, Western Daily Mercury, 1906

1B2K3/pp1Q4/q2PPp2/3Bkp2/P2p1N1n/5R2/8/4n3

#2

9 + 9

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd6
      • 2.Bxd6#
      • 2.Qxd6#
  • Keys
    • 1.Qb5!
      • 1...Qxb5+
        • 2.d7#
      • 1...Qc6+
        • 2.Bxc6#
      • 1...Qxa4
        • 2.d7#
      • 1...Qxd6
        • 2.Bc6#
        • 2.Bxb7#
        • 2.Qe2#
      • 1...Sexf3
        • 2.Sd3#
      • 1...Shxf3
        • 2.Sg6#
      • 1...d3
        • 2.Qb2#
      • 1...Qa5
        • 2.Qe2#
      • 1...Qb6
        • 2.Qe2#
      • 1...Sc2
        • 2.Sd3#
      • 1...Seg2
        • 2.Sd3#
      • 1...Sd3
        • 2.Sxd3#
      • 1...Shg2
        • 2.Sg6#
      • 1...Sg6
        • 2.Sxg6#
      • 1...b6
        • 2.d7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 14
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(G);
    • Vars
      • Q(f);CHECK,N_GUARD,XQ(G)::B(H)+P(E)
      • Q(f);CHECK,N_GUARD::QAR(G)+B(D),XQ(f)
      • Q(f);N_GUARD,P_PINQ(G),XP(B)::B(H)+P(E)
      • S(a);N_GUARD,XR(A)::S(C)
      • S(c);N_GUARD,XR(A)::S(C)
      • P(b);OGATEB::QAB(G)
      • Q(f);N_GUARD::QAR(G)
      • S(a);N_GUARD::S(C)
      • S(a);N_GUARD::S(C),XS(a)
      • S(c);N_GUARD::S(C)
      • S(c);N_GUARD::S(C),XS(c)
      • P(i);S_CUTQ(f)::B(H)+P(E)
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).