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Problem Display

PID: 21383 (5K2/2n1R2p/2pkb2R/8/B2BP3/4P3/1n1N4/8 w - - 0 1)

Warton, Thomas Joseph

Manchester Weekly Times, 1918

5K2/2n1R2p/2pkb2R/8/B2BP3/4P3/1n1N4/8

#2

8 + 6

SOLUTION

SOUND
Sets
- 1...Sd1
  - 2.Sc4#
- 1...Sd3
  - 2.Sc4#
- 1...Sxa4
  - 2.Sc4#
- 1...Sc4
  - 2.Sxc4#
- 1...Sb5
  - 2.Rhxe6#
- 1...Sd5
  - 2.Rhxe6#
  - 2.e5#
- 1...Sa6
  - 2.Rhxe6#
- 1...Sa8
  - 2.Rhxe6#
- 1...Se8
  - 2.Rhxe6#
- 1...c5
  - 2.Rd7#
Tries
- 1.Bd1?
  - 1...Sxd1
    - 2.Sc4#
  - 1...Sd3
    - 2.Sc4#
  - 1...Sa4
    - 2.Sc4#
  - 1...Sc4
    - 2.Sxc4#
  - 1...Sb5
    - 2.Rhxe6#
  - 1...Sd5
    - 2.Rhxe6#
    - 2.e5#
  - 1...Sa6
    - 2.Rhxe6#
  - 1...Sa8
    - 2.Rhxe6#
  - 1...Se8
    - 2.Rhxe6#
  - 1...c5!
- 1.Bc2?
  - 1...Sd1
    - 2.Sc4#
  - 1...Sd3
    - 2.Sc4#
  - 1...Sa4
    - 2.Sc4#
  - 1...Sc4
    - 2.Sxc4#
  - 1...Sb5
    - 2.Rhxe6#
  - 1...Sd5
    - 2.Rhxe6#
    - 2.e5#
  - 1...Sa6
    - 2.Rhxe6#
  - 1...Sa8
    - 2.Rhxe6#
  - 1...Se8
    - 2.Rhxe6#
  - 1...c5!
- 1.Bb3?
  - threat
    - 2.e5#
  - 1...Sd3
    - 2.Sc4#
  - 1...Sc4
    - 2.Sxc4#
  - 1...c5!
- 1.Bb5?
  - 1...Sxb5
    - 2.Rhxe6#
  - 1...Sd1
    - 2.Sc4#
  - 1...Sd3
    - 2.Sc4#
  - 1...Sa4
    - 2.Sc4#
  - 1...Sc4
    - 2.Sxc4#
  - 1...Sd5
    - 2.Rhxe6#
    - 2.e5#
  - 1...Sa6
    - 2.Rhxe6#
  - 1...Sa8
    - 2.Rhxe6#
  - 1...Se8
    - 2.Rhxe6#
  - 1...c5
    - 2.Rd7#
  - 1...cxb5!
Keys
- 1.Bb6!
  - 1...Ke5
    - 2.Bxc7#
  - 1...Sxa4
    - 2.Sc4#
  - 1...Sd1
    - 2.Sc4#
  - 1...Sd3
    - 2.Sc4#
  - 1...Sc4
    - 2.Sxc4#
  - 1...Sb5
    - 2.Rhxe6#
  - 1...Sd5
    - 2.Rhxe6#
  - 1...Sa6
    - 2.Rhxe6#
  - 1...Sa8
    - 2.Rhxe6#
  - 1...Se8
    - 2.Rhxe6#
  - 1...c5
    - 2.Bxc7#

FEATURES

Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 0
Sets
- S(a);N_GUARD::S(A)
- S(a);N_GUARD,XB(C)::S(A)
- S(a);N_GUARD::S(A),XS(a)
- S(e);N_GUARD::R1(F),XB(d)
- P(b);::R1(G)
Tries
- Try
  - B(C);
  - Vars
    - S(a);N_GUARD,XB(C)::S(A)
    - S(a);N_GUARD::S(A)
    - S(a);N_GUARD::S(A),XS(a)
    - S(e);N_GUARD::R1(F),XB(d)
  - Refutation
    - P(b);
- Try
  - B(C);
  - Vars
    - S(a);N_GUARD::S(A)
    - S(a);N_GUARD::S(A),XS(a)
    - S(e);N_GUARD::R1(F),XB(d)
  - Refutation
    - P(b);
- Try
  - B(C);
  - Threat
    - P(E)
  - Vars
    - S(a);N_GUARD::S(A)
    - S(a);N_GUARD::S(A),XS(a)
  - Refutation
    - P(b);
- Try
  - B(C);
  - Vars
    - S(e);N_GUARD,XB(C)::R1(F),XB(d)
    - S(a);N_GUARD::S(A)
    - S(a);N_GUARD::S(A),XS(a)
    - S(e);N_GUARD::R1(F),XB(d)
    - P(b);::R1(G)
  - Refutation
    - P(b);XB(C)
Actual
- B(D);
- Vars
  - K(c);S_FLIGHT::B(D),XS(e)
  - S(a);N_GUARD,XB(C)::S(A)
  - S(a);N_GUARD::S(A)
  - S(a);N_GUARD::S(A),XS(a)
  - S(e);N_GUARD::R1(F),XB(d)
  - P(b);SBLOCK::B(D),XS(e)

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).