Meson Chess Problem Database

Home
Latest Additions
- #2
- #3
- #4
- #5
- Stats
Books
- All composers (SLOW)
- By initial letter
Magazines
- PID
- General
- Matrix
- All sources/quoters (SLOW)
- By initial letter
- Awards
- Composers
- Decades
- Quoters
- Sizes
- Soundness
- Sources
- Stipulations
- Years
Contact
Back to BDS Website

Problem Display

PID: 172857 (8/8/pp6/1kp1R3/8/K7/Q7/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

Kuban segodniya, 2001

8/8/pp6/1kp1R3/8/K7/Q7/8

#3

3 + 4

6490	yacpdb	2018

SOLUTION

SOUND
Sets
- 1...Ka5
  - 2.Kb3+
    - 2...Kb5
      - 3.Qa4#
Tries
- 1.Qb3+?
  - 1...Ka5
    - 2.Qa4#
    - 2.Qb4#
  - 1...Kc6!
- 1.Qd5?
  - 1...Ka5
    - 2.Qc6
      - 2...b5
        3.Qc7#
    - 2.Qd1
      - threat
        3.Qa4#
      - 2...Kb5
        3.Qa4#
      - 2...b5
        3.Qd8#
    - 2.Qd3
      - 2...b5
        3.Qd8#
    - 2.Qd4
      - threat
        3.Qa4#
        3.Qb4#
      - 2...Kb5
        3.Qa4#
      - 2...b5
        3.Qd8#
    - 2.Qd7
      - 2...b5
        3.Qc7#
        3.Qd8#
  - 1...a5!
- 1.Qe6?
  - 1...Ka5
    - 2.Qd7
      - 2...b5
        3.Qc7#
        3.Qd8#
    - 2.Qc6
      - 2...b5
        3.Qc7#
    - 2.Qe8
      - 2...b5
        3.Qd8#
  - 1...a5!
- 1.Qe2+?
  - 1...Ka5
    - 2.Qd1
      - threat
        3.Qa4#
      - 2...Kb5
        3.Qa4#
      - 2...b5
        3.Qd8#
    - 2.Qd3
      - 2...b5
        3.Qd8#
  - 1...Kc6!
Keys
- 1.Re6!
  - threat
    - 2.Qb3+
      - 2...Ka5
        3.Qa4#
        3.Qxb6#
  - 1...Ka5
    - 2.Kb3+
      - 2...Kb5
        3.Qa4#
  - 1...c4
    - 2.Qb2+
      - 2...Ka5
        3.Qb4#
        3.Qxb6#
      - 2...Kc5
        3.Qe5#
  - 1...a5
    - 2.Qb3+
      - 2...Ka6
        3.Qxb6#

FEATURES

NOT CLASSIFIED

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).