MESON Chess Problem Database

Problem Display
PID: 207513 (B6Q/RN2p3/4P3/2pp4/2k5/2p5/2Pb1n2/1K1R2B1 w - - 0 1)

Martindale, Frank W

Chess Problems - Martindale, FW, 1872

B6Q/RN2p3/4P3/2pp4/2k5/2p5/2Pb1n2/1K1R2B1

#2

9 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sd6+?
      • 1...Kb4
        • 2.Qb8#
      • 1...exd6!
  • Keys
    • 1.Qb8!
      • 1...Kb4
        • 2.Sd6#
      • 1...Kd4
        • 2.Qf4#
      • 1...Kb5
        • 2.Sd6#
      • 1...Sxd1
        • 2.Sa5#
      • 1...Bc1
        • 2.Sa5#
      • 1...Be1
        • 2.Sa5#
      • 1...Be3
        • 2.Sa5#
      • 1...Bf4
        • 2.Sa5#
      • 1...Bg5
        • 2.Sa5#
      • 1...Bh6
        • 2.Sa5#
      • 1...Sh1
        • 2.Sa5#
      • 1...Sd3
        • 2.Sa5#
      • 1...Sh3
        • 2.Sa5#
      • 1...Se4
        • 2.Sa5#
      • 1...Sg4
        • 2.Sa5#
      • 1...d4
        • 2.Sa5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 16
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • K(d);P-FLIGHT::QAR(I)
      • Refutation
        • P(g);XS(G)
  • Actual
    • Q(I);
    • Vars
      • K(d);P-FLIGHT::QAR(I)+S(G)
      • K(d);P-FLIGHT,P_SPINB(a),P_SPINS(b)::QAR2(I)
      • K(d);S_FLIGHT::QAR(I)+S(G),DCHECK
      • S(b);XR(B)::S(G)
      • B(a);::S(G)
      • S(b);::S(G)
      • P(f);SBLOCK::S(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).