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Problem Display

PID: 52249 (7K/p1p5/1p6/7R/N4p2/2p1kp2/P1Brpr2/2B1b1Q1 w - - 0 1)

Lindgren, Bo Waldemar

3rd Prize, Probleemblad, 2004

(First published on Mon Mar 1 2004)

7K/p1p5/1p6/7R/N4p2/2p1kp2/P1Brpr2/2B1b1Q1

#4

7 + 11

1099	WCSC	2003
5405	Chess Solving Yearbook 2003	2004
102	Probleemblad	2010
23	Die Schwalbe	2011

SOLUTION

SOUND
Keys
- 1.Rc5!
  - threat
    - 2.Rc4
      - threat
        3.Re4#
  - 1...bxc5
    - 2.Bh7
      - threat
        3.Qg5
        threat
        4.Qxc5#
        4.Qe5#
        3...Kd4
        4.Qxc5#
      - 2...Kd4
        3.Qg5
        threat
        4.Qxc5#
        3...Ke3
        4.Qxc5#
        4.Qe5#
        3...Kc4
        4.Qxc5#
        3...c4
        4.Qc5#
      - 2...c4
        3.Qg5
        threat
        4.Qc5#
        4.Qe5#
        3...Kd4
        4.Qc5#
  - 1...b5
    - 2.Rh5
      - threat
        3.Qg5
        threat
        4.Qc5#
        4.Qe5#
        3...Kd4
        4.Qxf4#
        4.Qc5#
      - 2...Kd4
        3.Qg7+
        3...Ke3
        4.Qxc3#
        4.Qe5#
        3...Kc4
        4.Qxc3#
        3.Qg5
        threat
        4.Qxf4#
        4.Qc5#
        3...Ke3
        4.Qc5#
        4.Qe5#
        3...Kc4
        4.Qc5#
        3...Rxc2
        4.Qd5#
      - 2...c5
        3.Qg5
        threat
        4.Qxc5#
        4.Qe5#
        3...Kd4
        4.Qxf4#
        4.Qxc5#

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