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Problem Display

PID: 36496 (2k5/2p5/2P5/1R4p1/6P1/1Kb5/8/3R4 w - - 0 1)

Nissl, Theodor

Armee Schachzeitung, 1906

2k5/2p5/2P5/1R4p1/6P1/1Kb5/8/3R4

#4

5 + 4

SOLUTION

SOUND
Keys
- 1.Rb4!
  - threat
    - 2.Ra4
      - threat
        3.Ra8#
      - 2...Ba5
        3.Rxa5
        3...Kb8
        4.Rd8#
  - 1...Bxb4
    - 2.Kxb4
      - 2...Kb8
        3.Ra1
        3...Kc8
        4.Ra8#
  - 1...Bd2
    - 2.Ra4
      - threat
        3.Ra8#
      - 2...Kb8
        3.Rxd2
        3...Kc8
        4.Ra8#
        3.Ra6
        3...Kc8
        4.Ra8#
        3...Bc1
        4.Rd8#
        3...Be1
        4.Rd8#
        3...Bc3
        4.Rd8#
        3...Be3
        4.Rd8#
        3...Bb4
        4.Rd8#
        3...Bf4
        4.Rd8#
        3...Ba5
        4.Rd8#
      - 2...Kd8
        3.Re4
        3...Kc8
        4.Re8#
      - 2...Ba5
        3.Rxa5
        3...Kb8
        4.Rd8#
  - 1...Bd4
    - 2.Rbxd4
      - 2...Kb8
        3.Ra1
        3...Kc8
        4.Ra8#
        3.Ra4
        3...Kc8
        4.Ra8#
  - 1...Bf6
    - 2.Re1
      - 2...Be5
        3.Rxe5
        3...Kd8
        4.Rb8#
      - 2...Be7
        3.Ra1
        threat
        4.Ra8#
        3...Kd8
        4.Ra8#
        4.Rb8#
      - 2...Bd8
        3.Ra1
        threat
        4.Ra8#

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