MESON Chess Problem Database

Problem Display
PID: 195228 (5K2/4QB2/2p4B/4b3/Rn1pk2N/qp4Rp/4pp2/2rN1b1n w - - 0 1)

Sparke, Arthur M

Brisbane Courier, 1918

5K2/4QB2/2p4B/4b3/Rn1pk2N/qp4Rp/4pp2/2rN1b1n

#2

8 + 13

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Sxg3
      • 2.Sxf2#
    • 1...Sa2
      • 2.Re3#
    • 1...Sc2
      • 2.Sc3#
    • 1...Sd3
      • 2.Re3#
    • 1...Sd5
      • 2.Bg6#
    • 1...Sa6
      • 2.Re3#
    • 1...d3
      • 2.Rg4#
  • Keys
    • 1.Bg8!
      • threat
        • 2.Qh7#
      • 1...Sxg3
        • 2.Sxf2#
      • 1...d3
        • 2.Rg4#
      • 1...Sa2
        • 2.Re3#
      • 1...Sc2
        • 2.Sc3#
      • 1...Sd3
        • 2.Re3#
      • 1...Sd5
        • 2.Bh7#
      • 1...Sa6
        • 2.Re3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(c);N_GUARD,XR(B)::S(A),XP(e)
    • S(i);P_PINQ(F),P_SPINP(j)::R1(B)
    • S(i);P_PINQ(F),P_SPINP(j),S_CUTR(a)::S(A)
    • S(i);P_PINQ(F),P_SPINP(j),SBLOCK::B(G)
    • P(j);P_SPINS(i),SBLOCK::R(B)
  • Actual
    • B(G);
    • Threat
      • QAB(F)
    • Vars
      • S(c);N_GUARD,XR(B)::S(A),XP(e)
      • P(j);P_SPINS(i),SBLOCK::R(B)
      • S(i);P_PINQ(F),P_SPINP(j)::R1(B)
      • S(i);P_PINQ(F),P_SPINP(j),S_CUTR(a)::S(A)
      • S(i);P_PINQ(F),P_SPINP(j),SBLOCK::B(G)
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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).