MESON Chess Problem Database

Problem Display
PID: 6396 (8/pR1p4/k2p4/rn1Q1K2/3b4/3n4/2N5/1b3B2 w - - 0 1)

Howard, Kenneth Samuel

1st Prize, Die Schwalbe, 1929

8/pR1p4/k2p4/rn1Q1K2/3b4/3n4/2N5/1b3B2

#2

5 + 9

5089 The Enjoyment of Chess Problems 1943
5064 100 Years of the American Two-move Chess Problem 1962
3098 FIDE Album (1914-1944) (I) 1971
23 Die Schwalbe 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Qxb5#
    • 1...Ra2
      • 2.Qxb5#
    • 1...Ra3
      • 2.Qxb5#
    • 1...Ra4
      • 2.Qxb5#
    • 1...Sa3
      • 2.Sb4#
    • 1...Sc3
      • 2.Sb4#
    • 1...Sc7
      • 2.Sb4#
  • Keys
    • 1.Rb8!
      • threat
        • 2.Qb7#
      • 1...Ra1
        • 2.Qxb5#
      • 1...Ra2
        • 2.Qxb5#
      • 1...Ra3
        • 2.Qxb5#
      • 1...Ra4
        • 2.Qxb5#
      • 1...Sc5
        • 2.Qxd6#
      • 1...Sa3
        • 2.Sb4#
      • 1...Sc3
        • 2.Sb4#
      • 1...Sc7
        • 2.Sb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(d);N_GUARD::QAB1(C),XS(e)
    • S(e);P_PINQ(C),P_SPINS(b)::S(B)
  • Actual
    • R(E);
    • Threat
      • QAB1(C)
    • Vars
      • R(d);N_GUARD::QAB1(C),XS(e)
      • S(b);P_PINS(B),P_SPINS(e),S_CUTB(c)::QAR(C),XP(g)
      • S(e);P_PINQ(C),P_SPINS(b)::S(B)
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).