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Problem Display

PID: 128015 (n5B1/1K1n4/5b2/B1p1R2Q/3kpr2/6N1/3pP3/8 w - - 0 1)

Havelka, Jan

Sachove umeni (Ceskoslovensky sach), 1938

n5B1/1K1n4/5b2/B1p1R2Q/3kpr2/6N1/3pP3/8

#3

7 + 8

6490	yacpdb	2009

SOLUTION

SOUND
Sets
- 1...Rf1
  - 2.Rxe4#
- 1...Rf2
  - 2.Rxe4#
- 1...Rf3
  - 2.Rxe4#
- 1...Rf5
  - 2.Rxe4#
- 1...e3
  - 2.Re4+
    - 2...Rxe4
      - 3.Qd5#
  - 2.Qf3
    - threat
      - 3.Qd5#
      - 3.Qxe3#
      - 3.Qxf4#
    - 2...Kxe5
      - 3.Qd5#
    - 2...Rxf3
      - 3.Re4#
    - 2...Re4
      - 3.Rxe4#
      - 3.Qxe4#
  - 2.Qh1
    - threat
      - 3.Qd5#
      - 3.Qa1#
    - 2...Kxe5
      - 3.Qd5#
Tries
- 1.Sf5+?
  - 1...Kxe5
    - 2.Bc3#
  - 1...Rxf5!
- 1.Rd5+?
  - 1...Ke3
    - 2.Bxd2+
      - 2...Kf2
        3.Qh2#
  - 1...Kc4!
- 1.e3+?
  - 1...Kxe3
    - 2.Qe2+
      - 2...Kd4
        3.Rd5#
  - 1...Kd3!
Keys
- 1.Qh2!
  - threat
    - 2.Rxe4+
      - 2...Rxe4
        3.Sf5#
  - 1...Ke3
    - 2.Rxe4+
      - 2...Rxe4
        3.Sf5#
    - 2.Qg1+
      - 2...Rf2
        3.Rxe4#
  - 1...Kxe5
    - 2.Bc3+
      - 2...Kd6
        3.Sf5#
  - 1...Bxe5
    - 2.Qg1+
      - 2...Rf2
        3.Sf5#
      - 2...e3
        3.Qa1#
  - 1...Sxe5
    - 2.Qg1+
      - 2...Rf2
        3.Sf5#
      - 2...e3
        3.Qa1#
  - 1...e3
    - 2.Re4+
      - 2...Rxe4
        3.Sf5#
    - 2.Qh1
      - threat
        3.Qd5#
        3.Qa1#
      - 2...Kxe5
        3.Qd5#
  - 1...c4
    - 2.Rd5+
      - 2...Ke3
        3.Bxd2#

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