Problem Display
PID: 192743 (8/4K3/1N5N/2p1k3/1P5R/Rb6/B1rP4/8 w - - 0 1)

Coello Alonso, Jose Antonio

BCPS Website, 2019

8/4K3/1N5N/2p1k3/1P5R/Rb6/B1rP4/8

#2

8 + 4


3713 Snap 2019

SOLUTION


  • SOUND
  • Sets
    • 1...Bxa2
      • 2.Re3#
    • 1...Ba4
      • 2.Re3#
    • 1...Bc4
      • 2.Re3#
    • 1...Bd5
      • 2.Sd7#
    • 1...Be6
      • 2.Re3#
    • 1...Bf7
      • 2.Sd7#
      • 2.Re3#
    • 1...Bg8
      • 2.Sd7#
      • 2.Re3#
    • 1...cxb4
      • 2.d4#
    • 1...c4
      • 2.Ra5#
  • Keys
    • 1.Bb1!
      • 1...Rxd2
        • 2.Re4#
      • 1...cxb4
        • 2.d4#
      • 1...Rc1
        • 2.Re4#
      • 1...Ra2
        • 2.Re4#
      • 1...Rb2
        • 2.Re4#
      • 1...Rc3
        • 2.Re4#
      • 1...Rc4
        • 2.Sf7#
      • 1...Ba2
        • 2.Re3#
      • 1...Ba4
        • 2.Re3#
      • 1...Bc4
        • 2.Re3#
      • 1...Bd5
        • 2.Sd7#
      • 1...Be6
        • 2.Re3#
      • 1...Bf7
        • 2.Re3#
      • 1...Bg8
        • 2.Re3#
      • 1...c4
        • 2.Ra5#

Anticipated by 152129(1939)

This is a version of 140081

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • B(b);OGATE,XB(A)::R(C)
    • B(b);OGATE::R(C)
    • B(b);::S(F)
    • P(c);N_GUARD,XP(D)::P(B)
    • P(c);OGATEB::R(C)
  • Actual
    • B(A);
    • Vars
      • R(a);XP(B)::R1(E)
      • P(c);N_GUARD,XP(D)::P(B)
      • R(a);::R1(E)
      • R(a);S_CUTB(b)::S(G)
      • B(b);OGATE::R(C)
      • B(b);SBLOCK::S(F)
      • P(c);OGATEB::R(C)


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).