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Problem Display

PID: 86141 (1K6/1R3b2/8/3p1r2/kN6/8/8/1R6 w - - 0 1)

Speckmann, Werner

Die Schwalbe, 1961

1K6/1R3b2/8/3p1r2/kN6/8/8/1R6

#2

4 + 4

5454	Near Snap	2009
6490	yacpdb	2009

SOUND
Sets
- 1...Ka3
  - 2.Ra7#
- 1...Ka5
  - 2.Ra1#
Tries
- 1.Sc2?
  - threat
    - 2.Ra1#
    - 2.Ra7#
  - 1...Ka5
    - 2.Ra1#
    - 2.Ra7#
  - 1...Rf1
    - 2.Ra7#
  - 1...Rf3
    - 2.Ra7#
  - 1...Rf6
    - 2.Ra1#
  - 1...d4!
- 1.Sd3?
  - threat
    - 2.Ra1#
    - 2.Ra7#
  - 1...Ka3
    - 2.Ra1#
    - 2.Ra7#
  - 1...Ka5
    - 2.Ra1#
    - 2.Ra7#
  - 1...Rf1
    - 2.Ra7#
  - 1...Rf2
    - 2.Ra7#
  - 1...Rf6
    - 2.Ra1#
  - 1...d4!
- 1.Sc6?
  - threat
    - 2.Ra1#
    - 2.Ra7#
  - 1...Ka3
    - 2.Ra1#
    - 2.Ra7#
  - 1...Rf1
    - 2.Ra7#
  - 1...Rf2
    - 2.Ra7#
  - 1...Rf3
    - 2.Ra7#
  - 1...d4!
Keys
- 1.Sxd5!
  - threat
    - 2.Ra1#
    - 2.Ra7#
  - 1...Ka3
    - 2.Ra1#
    - 2.Ra7#
  - 1...Ka5
    - 2.Ra1#
    - 2.Ra7#
  - 1...Rxd5
    - 2.Ra1#
  - 1...Bxd5
    - 2.Ra7#
  - 1...Rf1
    - 2.Ra7#
  - 1...Rf2
    - 2.Ra7#
  - 1...Rf3
    - 2.Ra7#
  - 1...Rf6
    - 2.Ra1#

Anticipated by 108466(1937)

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