Meson Chess Problem Database

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Problem Display

PID: 2191 (7k/1b1p1pR1/3p1K2/4p3/5p2/8/8/6R1 w - - 0 1)

Cook, Eugene Beauharnais

Source?, 0000

7k/1b1p1pR1/3p1K2/4p3/5p2/8/8/6R1

#2

3 + 7

SOLUTION

SOUND
Sets
- 1...Bh1
  - 2.Rxh1#
- 1...Ba6
  - 2.Rh1#
- 1...Bc8
  - 2.Rh1#
- 1...f3
  - 2.Rh1#
- 1...e4
  - 2.Rh1#
- 1...d5
  - 2.Rh1#
Tries
- 1.Rc1?
  - 1...Bg2
    - 2.Rc8#
  - 1...Bh1
    - 2.Rxh1#
    - 2.Rc8#
  - 1...Bf3
    - 2.Rc8#
  - 1...Be4
    - 2.Rc8#
  - 1...Bd5
    - 2.Rc8#
  - 1...Ba6
    - 2.Rh1#
  - 1...Ba8
    - 2.Rc8#
  - 1...Bc8
    - 2.Rh1#
    - 2.Rxc8#
  - 1...f3
    - 2.Rh1#
  - 1...e4
    - 2.Rh1#
  - 1...d5
    - 2.Rh1#
  - 1...Bc6!
Keys
- 1.Rb1!
  - 1...Bg2
    - 2.Rb8#
  - 1...Bh1
    - 2.Rxh1#
    - 2.Rb8#
  - 1...Bf3
    - 2.Rb8#
  - 1...Be4
    - 2.Rb8#
  - 1...Bd5
    - 2.Rb8#
  - 1...Ba6
    - 2.Rh1#
  - 1...Bc6
    - 2.Rb8#
  - 1...Ba8
    - 2.Rb8#
  - 1...Bc8
    - 2.Rh1#
  - 1...f3
    - 2.Rh1#
  - 1...e4
    - 2.Rh1#
  - 1...d5
    - 2.Rh1#

FEATURES

Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 1
Sets
- B(d);N_GUARD::R(A),XB(d)
- B(d);N_GUARD::R(A)
- P(a);S_CUTB(d)::R(A)
- P(b);S_CUTB(d)::R(A)
- P(c);S_CUTB(d)::R(A)
Tries
- Try
  - R(A);
  - Vars
    - B(d);N_GUARD::R(A)
    - P(a);S_CUTB(d)::R(A)
    - P(b);S_CUTB(d)::R(A)
    - P(c);S_CUTB(d)::R(A)
  - Refutation
    - B(d);
Actual
- R(A);
- Vars
  - B(d);OGATE::R(A)
  - B(d);N_GUARD::R(A)
  - P(a);S_CUTB(d)::R(A)
  - P(b);S_CUTB(d)::R(A)
  - P(c);S_CUTB(d)::R(A)

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).