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Problem Display

PID: 254000 (2br4/8/1P3N2/2Bp4/1Rp5/2k5/2P1B3/3K4 w - - 0 1)

Wilk, Udo

HM., Schach, 1975

2br4/8/1P3N2/2Bp4/1Rp5/2k5/2P1B3/3K4

#3

7 + 5

6490	yacpdb	2021

SOLUTION

SOUND
Sets
- 1...Re8
  - 2.Sxd5#
- 1...Rf8
  - 2.Sxd5#
- 1...Rg8
  - 2.Sxd5#
- 1...Rh8
  - 2.Sxd5#
- 1...Bd7
  - 2.Sxd5#
- 1...d4
  - 2.Se4#
Keys
- 1.Kc1!
  - threat
    - 2.Se4+
      - 2...dxe4
        3.Rxc4#
    - 2.Sxd5+
      - 2...Rxd5
        3.Rxc4#
    - 2.Ra4
      - threat
        3.Ra3#
    - 2.Rxc4+
      - 2...dxc4
        3.Se4#
  - 1...Rd6
    - 2.Se4+
      - 2...dxe4
        3.Rxc4#
    - 2.Sxd5+
      - 2...Rxd5
        3.Rxc4#
    - 2.Ra4
      - threat
        3.Ra3#
      - 2...Rxb6
        3.Sxd5#
    - 2.Rxc4+
      - 2...dxc4
        3.Se4#
  - 1...Rd7
    - 2.Se4+
      - 2...dxe4
        3.Rxc4#
    - 2.Sxd5+
      - 2...Rxd5
        3.Rxc4#
    - 2.Ra4
      - threat
        3.Ra3#
      - 2...Ra7
        3.Sxd5#
    - 2.Rxc4+
      - 2...dxc4
        3.Se4#
  - 1...Bh3
    - 2.Se4+
      - 2...dxe4
        3.Rxc4#
    - 2.Sxd5+
      - 2...Rxd5
        3.Rxc4#
    - 2.Ra4
      - threat
        3.Ra3#
      - 2...Ra8
        3.Sxd5#
    - 2.Rxc4+
      - 2...dxc4
        3.Se4#
  - 1...Bg4
    - 2.Se4+
      - 2...dxe4
        3.Rxc4#
    - 2.Sxd5+
      - 2...Rxd5
        3.Rxc4#
    - 2.Ra4
      - threat
        3.Ra3#
      - 2...Ra8
        3.Sxd5#
    - 2.Rxc4+
      - 2...dxc4
        3.Se4#
  - 1...Bf5
    - 2.Sxd5+
      - 2...Rxd5
        3.Rxc4#
  - 1...Ba6
    - 2.Ra4
      - threat
        3.Ra3#
  - 1...Be6
    - 2.Rxc4+
      - 2...dxc4
        3.Se4#
  - 1...Bb7
    - 2.Se4+
      - 2...dxe4
        3.Rxc4#

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