MESON Chess Problem Database

Problem Display
PID: 43959 (4R3/5BN1/2P1NkPp/3P4/Kp2p2r/p1q2pQ1/8/B7 w - - 0 1)

Daniel, Arthur William

1st Prize, Western Daily Mercury, 1904

4R3/5BN1/2P1NkPp/3P4/Kp2p2r/p1q2pQ1/8/B7

#2

10 + 8

1276 Lasker's Chess Magazine 1904

SOLUTION

  • SOUND
  • Sets
    • 1...Qd4
      • 2.Bxd4#
    • 1...Qe5
      • 2.Bxe5#
      • 2.Qxh4#
      • 2.Qxe5#
    • 1...Rh1
      • 2.Qf4#
    • 1...Rh2
      • 2.Qf4#
    • 1...Rh3
      • 2.Qf4#
    • 1...Rf4
      • 2.Qxf4#
    • 1...b3
      • 2.Bxc3#
    • 1...h5
      • 2.Qg5#
  • Keys
    • 1.Sd4!
      • threat
        • 2.Qe5#
      • 1...Qc2+
        • 2.Sxc2#
      • 1...Qb3+
        • 2.Sxb3#
      • 1...Qxc6+
        • 2.Sxc6#
      • 1...Kxg7
        • 2.Qe5#
      • 1...Qxd4
        • 2.Bxd4#
      • 1...Rf4
        • 2.Sh5#
      • 1...Rh5
        • 2.Sxh5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 5
  • Sets
    • Q(b);OGATE::B(A),XQ(b)
    • R(f);N_GUARD::QAR2(B)
    • R(f);N_GUARD::QAR2(B),XR(f)
    • P(d);N_GUARD::B(A),XQ(b)
    • P(h);N_GUARD::QAB1(B)
  • Actual
    • S(F);N_PINQ(b)
    • Threat
      • QAB1(B)
    • Vars
      • Q(b);CHECK::B(A)+S(F),XQ(b)
      • Q(b);CHECK,XP(E)::B(A)+S(F),XQ(b)
      • K(g);S_FLIGHT,XS(I)::QAB(B)
      • Q(b);OGATE,P_SPINQ(b),XS(F)::B(A),XQ(b)
      • R(f);N_GUARD::S(I)
      • R(f);N_GUARD::S(I),XR(f)
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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).