Problem Display
PID: 55132 (8/8/3R4/1Q6/8/2p2K2/2k5/2b5 w - - 0 1)

Shinkman, William Anthony

Source?, 1880

8/8/3R4/1Q6/8/2p2K2/2k5/2b5

#2

3 + 3


3757 Schachminiaturen I 1902
119 Tidskrift for Schack 1909
5454 Near Snap 2007

SOLUTION


  • SOUND
  • Tries
    • 1.Qa4+?
      • 1...Kb2
        • 2.Rb6#
      • 1...Kb1!
  • Keys
    • 1.Rd1!
      • 1...Kxd1
        • 2.Qe2#
      • 1...Bb2
        • 2.Qa4#
      • 1...Bd2
        • 2.Qb1#
      • 1...Ba3
        • 2.Qb1#
      • 1...Be3
        • 2.Qb1#
      • 1...Bf4
        • 2.Qb1#
      • 1...Bg5
        • 2.Qb1#
      • 1...Bh6
        • 2.Qb1#

Anticipated by 1956(1859)

This anticipates 154095(1890), 140216(1975)

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);P-FLIGHT::R(C)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • R(C);
    • Vars
      • K(b);S_FLIGHT,XR(C)::QAB1(B)
      • B(a);SBLOCK::QAB(B)
      • B(a);::QAB1(B)


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).