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Problem Display

PID: 185660 (Q7/8/8/2N5/8/1RP1B3/p5K1/k7 w - - 0 1)

Gold, Samuel

Pesti Naplo, 1909

Q7/8/8/2N5/8/1RP1B3/p5K1/k7

#3

6 + 2

6490	yacpdb	2018

SOLUTION

SOUND
Tries
- 1.Ra3?
  - threat
    - 2.Qd5
      - threat
        3.Qxa2#
      - 2...Kb1
        3.Qxa2#
      - 2...Kb2
        3.Qxa2#
    - 2.Qg8
      - threat
        3.Qxa2#
      - 2...Kb1
        3.Qxa2#
      - 2...Kb2
        3.Qxa2#
  - 1...Kb2
    - 2.Qd5
      - threat
        3.Qxa2#
      - 2...Ka1
        3.Qxa2#
      - 2...Kb1
        3.Qxa2#
      - 2...Kc2
        3.Qb3#
      - 2...Kxa3
        3.Bc1#
        3.Qb3#
      - 2...a1Q
        3.Qb3#
      - 2...a1S
        3.Qa2#
      - 2...a1B
        3.Qa2#
        3.Qb3#
      - 2...a1R
        3.Qb3#
    - 2.Qg8
      - threat
        3.Qxa2#
      - 2...Ka1
        3.Qxa2#
      - 2...Kb1
        3.Qxa2#
      - 2...Kc2
        3.Qb3#
      - 2...Kxa3
        3.Bc1#
        3.Qb3#
      - 2...a1Q
        3.Qb3#
      - 2...a1S
        3.Qa2#
      - 2...a1B
        3.Qa2#
        3.Qb3#
      - 2...a1R
        3.Qb3#
  - 1...Kb1!
Keys
- 1.Rb2!
  - 1...Kxb2
    - 2.Qa3+
      - 2...Ka1
        3.Qc1#
      - 2...Kb1
        3.Qc1#
      - 2...Kc2
        3.Qc1#
        3.Qb3#
      - 2...Kxa3
        3.Bc1#

FEATURES

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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).