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Problem Display

PID: 213127 (r1R1q3/4n3/2n1p3/1N5p/4R3/3N4/P2PK2Q/rk6 w - - 0 1)

Pilnacek, Jan V

Svetozor, 1875

r1R1q3/4n3/2n1p3/1N5p/4R3/3N4/P2PK2Q/rk6

#4

8 + 8

6490	yacpdb	2020

SOLUTION

SOUND
Keys
- 1.Qb8!
  - threat
    - 2.Sa3+
      - 2...Kxa2
        3.Qb2#
    - 2.Sc3+
      - 2...Kc2
        3.Qb2#
        3.Qb3#
  - 1...Sd4+
    - 2.Rxd4
      - threat
        3.Sa3+
        3...Kxa2
        4.Qb2#
        3.Sc3+
        3...Kc2
        4.Qb2#
        4.Qb3#
        3.Rb4+
        3...Kxa2
        4.Rb2#
        4.Rc2#
        4.Qxa8#
      - 2...Kxa2
        3.Sc3+
        3...Ka3
        4.Qb2#
        4.Qb4#
        3.Rc2+
        3...Kb1
        4.Sa3#
        4.Rb2#
        3...Kb3
        4.Rb2#
        3.Qxa8+
        3...Kb1
        4.Rb4#
        4.Rc1#
        3...Kb3
        4.Rb4#
        4.Rc3#
      - 2...Qxb5
        3.Qxb5+
        3...Kxa2
        4.Rxa8#
        4.Qb2#
      - 2...Rxb8
        3.Rb4+
        3...Kxa2
        4.Rb2#
        4.Rc2#
      - 2...Ra3
        3.Sxa3+
        3...Kxa2
        4.Qb2#
        3.Sc3+
        3...Kc2
        4.Qb2#
  - 1...Rxb8
    - 2.Rb4+
      - 2...Sxb4
        3.Rc2
        threat
        4.Sa3#
        4.Rb2#
        3...Kxc2
        4.Sa3#
        3...Rxa2
        4.Rc1#
        3...Sxc2
        4.Sc3#

FEATURES

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