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Problem Display

PID: 91179 (8/8/2B5/3Rp3/6p1/2pP2BN/1pP3p1/1K3bNk w - - 0 1)

Schaaf, Ernst Carl

Die Schwalbe, 1960

8/8/2B5/3Rp3/6p1/2pP2BN/1pP3p1/1K3bNk

#4

8 + 7

6490	yacpdb	2009

SOLUTION

SOUND
Keys
- 1.Sf4!
  - threat
    - 2.Rxe5
      - threat
        3.Bf2
        threat
        4.Rh5#
        3...Kh2
        4.Rh5#
      - 2...Kxg1
        3.Re1
        3...Kh1
        4.Rxf1#
      - 2...Bxd3
        3.Sxd3
        3...Kxg1
        4.Re1#
      - 2...Be2
        3.Rxe2
        3...Kxg1
        4.Re1#
  - 1...Kxg1
    - 2.Rxe5
      - threat
        3.Re1
        3...Kh1
        4.Rxf1#
      - 2...Kh1
        3.Bf2
        threat
        4.Rh5#
        3...Kh2
        4.Rh5#
      - 2...Bxd3
        3.Sxd3
        threat
        4.Re1#
        3...Kf1
        4.Re1#
        3...Kh1
        4.Re1#
      - 2...Be2
        3.Rxe2
        threat
        4.Re1#
        3...Kf1
        4.Re1#
        3...Kh1
        4.Re1#
  - 1...Bxd3
    - 2.Sxd3
      - threat
        3.Sf2+
        3...Kxg1
        4.Rd1#
        3.Sxe5
        3...Kxg1
        4.Rd1#
        3.Rxe5
        3...Kxg1
        4.Re1#
      - 2...Kxg1
        3.Rxe5
        threat
        4.Re1#
        3...Kf1
        4.Re1#
        3...Kh1
        4.Re1#
        3.Sf4
        threat
        4.Rd1#
        3...Kf1
        4.Rd1#
        3...Kh1
        4.Rd1#

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