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Problem Display

PID: 141361 (1B6/8/1P3Np1/1p3Pp1/R1b1N1B1/2P1k3/2P1p3/4K3 w - - 0 1)

Clugston, W

Leeds Mercury, 1904

(First published on Mon May 2 1904)

1B6/8/1P3Np1/1p3Pp1/R1b1N1B1/2P1k3/2P1p3/4K3

#2

10 + 6

14868	Pirnie Collection	2011

SOLUTION

SOUND
Sets
- 1...Bd3
  - 2.Sd5#
- 1...Bd5
  - 2.Sxd5#
Tries
- 1.Sd2?
  - 1...bxa4
    - 2.Sxc4#
  - 1...Ba2
    - 2.Re4#
  - 1...Bb3
    - 2.Re4#
  - 1...Bd3
    - 2.Sd5#
  - 1...Bd5
    - 2.Sxd5#
  - 1...Be6
    - 2.Re4#
  - 1...Bf7
    - 2.Re4#
  - 1...Bg8
    - 2.Re4#
  - 1...b4
    - 2.Sxc4#
  - 1...gxf5!
Keys
- 1.Sd6!
  - 1...Kf4
    - 2.Sxc4#
  - 1...bxa4
    - 2.Sxc4#
  - 1...gxf5
    - 2.Sxf5#
  - 1...Ba2
    - 2.Re4#
  - 1...Bb3
    - 2.Re4#
  - 1...Bd3
    - 2.Sd5#
  - 1...Bd5
    - 2.Sxd5#
  - 1...Be6
    - 2.Re4#
  - 1...Bf7
    - 2.Re4#
  - 1...Bg8
    - 2.Re4#
  - 1...b4
    - 2.Sxc4#

FEATURES

Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 0
Sets
- B(c);N_GUARD::S(I)
- B(c);N_GUARD::S(I),XB(c)
Tries
- Try
  - S(E);
  - Vars
    - P(d);N_GUARD,XR(D)::S(E),XB(c)
    - B(c);OGATE::R1(D)
    - B(c);N_GUARD::S(I)
    - B(c);N_GUARD::S(I),XB(c)
    - P(d);N_GUARD::S(E),XB(c)
  - Refutation
    - P(f);XP(G)
Actual
- S(E);
- Vars
  - K(b);P_SPINB(c),S_FLIGHT::B(J)+S(E),XB(c)
  - P(d);N_GUARD,XR(D)::S(E),XB(c)
  - P(f);XP(G)::S(E),XP(f)
  - B(c);OGATE::R1(D)
  - B(c);N_GUARD::S(I)
  - B(c);N_GUARD::S(I),XB(c)
  - P(d);N_GUARD::S(E),XB(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).