MESON Chess Problem Database

Problem Display
PID: 134142 (8/8/8/5K2/3Q4/6p1/3R1pBb/4N1k1 w - - 0 1)

Shinkman, William Anthony

Source?, 0000

8/8/8/5K2/3Q4/6p1/3R1pBb/4N1k1

#2

5 + 4

1829 The Theory of Pawn Promotion 1912

SOLUTION

  • SOUND
  • Keys
    • 1.Qa1!
      • 1...f1Q+
        • 2.Sf3#
      • 1...f1R+
        • 2.Sf3#
      • 1...fxe1Q
        • 2.Qxe1#
      • 1...fxe1S
        • 2.Qd4#
        • 2.Qxe1#
        • 2.Qa7#
      • 1...fxe1B
        • 2.Qxe1#
      • 1...fxe1R
        • 2.Qxe1#
      • 1...f1S
        • 2.Sf3#
      • 1...f1B
        • 2.Sf3#
        • 2.Qd4#
        • 2.Qa7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(D);N_PINP(b)
    • Vars
      • P(b);CHECK::S(A)
      • P(b);OGATE,P_SPINQ(b),XS(A)::QAR2(D),XQ(b)
      • P(b);OGATE,P_SPINB(b),XS(A)::QAR2(D),XB(b)
      • P(b);OGATE,P_SPINR(b),XS(A)::QAR2(D),XR(b)
      • P(b);::S(A)
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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).