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Problem Display

PID: 138944 (5NK1/QR6/RBPp2P1/1P1k2n1/4pP2/6p1/1N6/2n5 w - - 0 1)

Axt, Hermann

Die Schwalbe, 1965

5NK1/QR6/RBPp2P1/1P1k2n1/4pP2/6p1/1N6/2n5

#3

11 + 6

SOLUTION

SOUND
Tries
- 1.Sd1?
  - threat
    - 2.Se3#
  - 1...e3
    - 2.Ra4
      - threat
        3.Sc3#
        3.Sxe3#
        3.Rd4#
  - 1...Kc4!
Keys
- 1.Ra1!
  - threat
    - 2.Qa2+
      - 2...Sxa2
        3.Rd1#
      - 2...Sb3
        3.Rd1#
        3.Qxb3#
    - 2.Qa4
      - threat
        3.Qc4#
        3.Qd4#
  - 1...e3
    - 2.Qa4
      - threat
        3.Qc4#
        3.Qd4#
  - 1...Se6
    - 2.Qa4
      - threat
        3.Qc4#
      - 2...Sxf4
        3.Qd4#
  - 1...Sb3
    - 2.Rd1+
      - 2...Sd2
        3.Rxd2#
        3.Qa2#
      - 2...Sd4
        3.Rxd4#
        3.Qa2#
    - 2.Qa4
      - threat
        3.Qxb3#
        3.Qc4#
      - 2...Sd2
        3.Qd4#
      - 2...Sa5
        3.Rd1#
        3.Qd1#
        3.Qd4#
  - 1...Sf3
    - 2.Qa4
      - threat
        3.Qc4#
      - 2...Sd2
        3.Qd4#
      - 2...Se5
        3.Qd4#
  - 1...Sf7
    - 2.Qa2+
      - 2...Sxa2
        3.Rd1#
      - 2...Sb3
        3.Rd1#
        3.Qxb3#
  - 1...Sh7
    - 2.Qa2+
      - 2...Sxa2
        3.Rd1#
      - 2...Sb3
        3.Rd1#
        3.Qxb3#

FEATURES

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