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Problem Display

PID: 79153 (1K1B4/1p6/k3N3/7R/2n5/8/8/8 w - - 0 1)

Akimov, Nikolai Nikolaevich

Sachsische Zeitung, 2003

1K1B4/1p6/k3N3/7R/2n5/8/8/8

#2

4 + 3

15148	Sadier Collection	2014

SOLUTION

SOUND
Sets
- 1...Sb2
  - 2.Ra5#
- 1...Sd2
  - 2.Ra5#
- 1...Sa3
  - 2.Ra5#
- 1...Se3
  - 2.Ra5#
- 1...Sa5
  - 2.Rxa5#
- 1...Sb6
  - 2.Sc7#
- 1...Sd6
  - 2.Ra5#
- 1...b5
  - 2.Sc5#
- 1...b6
  - 2.Sc7#
Tries
- 1.Rc5?
  - 1...Sb6
    - 2.Sc7#
  - 1...Sb2
    - 2.Ra5#
  - 1...Sd2
    - 2.Ra5#
  - 1...Sa3
    - 2.Ra5#
  - 1...Se3
    - 2.Ra5#
  - 1...Sa5
    - 2.Rxa5#
  - 1...Se5
    - 2.Ra5#
  - 1...Sd6
    - 2.Ra5#
  - 1...b6
    - 2.Sc7#
  - 1...b5!
- 1.Re5?
  - 1...Sb6
    - 2.Sc7#
  - 1...Sb2
    - 2.Ra5#
  - 1...Sd2
    - 2.Ra5#
  - 1...Sa3
    - 2.Ra5#
  - 1...Se3
    - 2.Ra5#
  - 1...Sa5
    - 2.Rxa5#
  - 1...Sd6
    - 2.Ra5#
  - 1...b5
    - 2.Sc5#
  - 1...b6
    - 2.Sc7#
  - 1...Sxe5!
- 1.Rf5?
  - 1...Sb6
    - 2.Sc7#
  - 1...Sb2
    - 2.Ra5#
  - 1...Sd2
    - 2.Ra5#
  - 1...Sa3
    - 2.Ra5#
  - 1...Se3
    - 2.Ra5#
  - 1...Sa5
    - 2.Rxa5#
  - 1...Sd6
    - 2.Ra5#
  - 1...b5
    - 2.Sc5#
  - 1...b6
    - 2.Sc7#
  - 1...Se5!
- 1.Rg5?
  - 1...Sb6
    - 2.Sc7#
  - 1...Sb2
    - 2.Ra5#
  - 1...Sd2
    - 2.Ra5#
  - 1...Sa3
    - 2.Ra5#
  - 1...Se3
    - 2.Ra5#
  - 1...Sa5
    - 2.Rxa5#
  - 1...Sd6
    - 2.Ra5#
  - 1...b5
    - 2.Sc5#
  - 1...b6
    - 2.Sc7#
  - 1...Se5!
Keys
- 1.Rd5!
  - 1...Sb6
    - 2.Sc7#
  - 1...Sb2
    - 2.Ra5#
  - 1...Sd2
    - 2.Ra5#
  - 1...Sa3
    - 2.Ra5#
  - 1...Se3
    - 2.Ra5#
  - 1...Sa5
    - 2.Rxa5#
  - 1...Se5
    - 2.Ra5#
  - 1...Sd6
    - 2.Ra5#
  - 1...b5
    - 2.Sc5#
  - 1...b6
    - 2.Sc7#

FEATURES

Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
Sets
- S(a);N_GUARD::R1(A)
- S(a);N_GUARD::R1(A),XS(a)
- S(a);SBLOCK::S(B)
- P(c);SBLOCK::S(B)
Tries
- Try
  - R(A);
  - Vars
    - S(a);SBLOCK::S(B)
    - S(a);N_GUARD::R1(A)
    - S(a);N_GUARD::R1(A),XS(a)
    - P(c);SBLOCK::S(B)
  - Refutation
    - P(c);
- Try
  - R(A);
  - Vars
    - S(a);SBLOCK::S(B)
    - S(a);N_GUARD::R1(A)
    - S(a);N_GUARD::R1(A),XS(a)
    - P(c);SBLOCK::S(B)
  - Refutation
    - S(a);XR(A)
- Try
  - R(A);
  - Vars
    - S(a);SBLOCK::S(B)
    - S(a);N_GUARD::R1(A)
    - S(a);N_GUARD::R1(A),XS(a)
    - P(c);SBLOCK::S(B)
  - Refutation
    - S(a);
- Try
  - R(A);
  - Vars
    - S(a);SBLOCK::S(B)
    - S(a);N_GUARD::R1(A)
    - S(a);N_GUARD::R1(A),XS(a)
    - P(c);SBLOCK::S(B)
  - Refutation
    - S(a);
Actual
- R(A);
- Vars
  - S(a);SBLOCK::S(B)
  - S(a);N_GUARD::R1(A)
  - S(a);N_GUARD::R1(A),XS(a)
  - P(c);SBLOCK::S(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).