MESON Chess Problem Database

Problem Display
PID: 219074 (3N2r1/1pn1BNp1/nP4R1/2b5/3kPp2/1K1prP2/3P4/5bQ1 w - - 0 1)

Arnold, William E

Baltimore American and Commercial Advertiser, 1882

3N2r1/1pn1BNp1/nP4R1/2b5/3kPp2/1K1prP2/3P4/5bQ1

#2

10 + 11

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Be2
      • 2.Qa1#
    • 1...Bg2
      • 2.Qa1#
    • 1...Bh3
      • 2.Qa1#
    • 1...Sb5
      • 2.Se6#
    • 1...Sd5
      • 2.Se6#
    • 1...Se6
      • 2.Sxe6#
    • 1...Sa8
      • 2.Se6#
    • 1...Se8
      • 2.Se6#
  • Tries
    • 1.Rd6+?
      • 1...Sd5
        • 2.Se6#
        • 2.Rxd5#
      • 1...Bxd6!
  • Keys
    • 1.Rc6!
      • 1...Rxd8
        • 2.Qxg7#
      • 1...Bxb6
        • 2.Rc4#
      • 1...Bxe7
        • 2.Rc4#
      • 1...bxc6
        • 2.Sxc6#
      • 1...Re8
        • 2.Qxg7#
      • 1...Rf8
        • 2.Qxg7#
      • 1...Rh8
        • 2.Qxg7#
      • 1...Be2
        • 2.Qa1#
      • 1...Bg2
        • 2.Qa1#
      • 1...Bh3
        • 2.Qa1#
      • 1...Ba3
        • 2.Rc4#
      • 1...Bb4
        • 2.Rc4#
      • 1...Bd6
        • 2.Rc4#
      • 1...Sb4
        • 2.Bxc5#
      • 1...Sb8
        • 2.Bxc5#
      • 1...Sb5
        • 2.Se6#
      • 1...Sd5
        • 2.Se6#
      • 1...Se6
        • 2.Sxe6#
      • 1...Sa8
        • 2.Se6#
      • 1...Se8
        • 2.Se6#
      • 1...g5
        • 2.Bf6#
      • 1...g6
        • 2.Bf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 14
    • REMOVED MATES = 0
  • Sets
    • B(a);OGATE::QAB(A)
    • S(i);N_GUARD::S(J)
    • S(i);N_GUARD::S(J),XS(i)
  • Tries
    • Try
      • R(G);CHECK
      • Refutation
        • B(f);XR(G)
  • Actual
    • R(G);
    • Vars
      • R(k);N_GUARD,XS(J)::QAB(A),XP(j)
      • B(f);OGATE,XP(F)::R1(G)
      • B(f);OGATE,XB(H)::R1(G)
      • P(h);XR(G)::S(J),XP(h)
      • R(k);N_GUARD::QAB(A),XP(j)
      • B(a);OGATE::QAB(A)
      • B(f);OGATE::R1(G)
      • S(g);N_GUARD::B(H),XB(f)
      • S(i);N_GUARD::S(J)
      • S(i);N_GUARD::S(J),XS(i)
      • P(j);N_GUARD::B(H)
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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).