MESON Chess Problem Database

Problem Display
PID: 16455 (8/2NNp3/2ppp2p/R2b1k1P/r1Rn3K/1r1nQ1p1/4p3/bB6 w - - 0 1)

Eerkes, Allard Pieter

Nanning, Frederik Willem

Skakbladet, 1940

8/2NNp3/2ppp2p/R2b1k1P/r1Rn3K/1r1nQ1p1/4p3/bB6

#2

8 + 14

SOLUTION

  • SOUND
  • Sets
    • 1...Rb2
      • 2.Bxd3#
    • 1...Rbb4
      • 2.Bxd3#
    • 1...Rb6
      • 2.Bxd3#
    • 1...Rb7
      • 2.Bxd3#
    • 1...Rb8
      • 2.Bxd3#
    • 1...Bc3
      • 2.Bxd3#
    • 1...Sc2
      • 2.Qe4#
      • 2.Qxe6#
    • 1...Sf3+
      • 2.Qxf3#
    • 1...Sb5
      • 2.Qf4#
  • Keys
    • 1.Se8!
      • threat
        • 2.Sg7#
      • 1...Sf3+
        • 2.Qxf3#
      • 1...Sc2
        • 2.Qe4#
      • 1...Sb5
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • R(c);N_GUARD::B(A),XS(d)
    • B(a);S_CUTR(c)::B(A),XS(d)
    • S(g);CHECK,N_GUARD,P_PINR(C)::QAR2(B),XS(g)
    • S(g);N_SPINB(h),P_PINR(C)::QAR1(B)
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • S(g);CHECK,N_GUARD,P_PINR(C)::QAR2(B),XS(g)
      • S(g);N_SPINS(d),P_PINR(C)::QAB1(B)
      • S(g);N_SPINB(h),P_PINR(C)::QAR1(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).