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Problem Display

PID: 82894 (K7/8/8/2Qp2B1/pp1R4/p7/rkn2N2/7b w - - 0 1)

Havel, Miroslav

Ztec, 1943

K7/8/8/2Qp2B1/pp1R4/p7/rkn2N2/7b

#3

5 + 8

6490	yacpdb	2009

SOLUTION

SOUND
Sets
- 1...Sa1
  - 2.Sd1+
    - 2...Kb1
      - 3.Qc1#
    - 2...Kb3
      - 3.Rd3#
      - 3.Rxb4#
  - 2.Sd3+
    - 2...Kb1
      - 3.Qc1#
    - 2...Kb3
      - 3.Rxb4#
  - 2.Rxb4+
    - 2...Sb3
      - 3.Qc1#
  - 2.Qc1+
    - 2...Kb3
      - 3.Rd3#
- 1...Se1
  - 2.Sd1+
    - 2...Ka1
      - 3.Qc1#
    - 2...Kb1
      - 3.Qc1#
    - 2...Kb3
      - 3.Rxb4#
  - 2.Rxb4+
    - 2...Ka1
      - 3.Qc1#
- 1...Se3
  - 2.Sd3+
    - 2...Ka1
      - 3.Qc1#
    - 2...Kb1
      - 3.Qc1#
    - 2...Kb3
      - 3.Rxb4#
  - 2.Rxb4+
    - 2...Ka1
      - 3.Qc1#
Tries
- 1.Rxb4+?
  - 1...Sxb4
    - 2.Sd1+
      - 2...Ka1
        3.Qc1#
      - 2...Kb1
        3.Qc1#
      - 2...Kb3
        3.Qc3#
  - 1...Ka1!
- 1.Qxb4+?
  - 1...Ka1
    - 2.Rd1#
  - 1...Sxb4!
- 1.Qxc2+?
  - 1...Ka1
    - 2.Rd1#
    - 2.Qc1#
  - 1...Kxc2!
Keys
- 1.Bf6!
  - threat
    - 2.Rxb4+
      - 2...Kc1
        3.Bg5#
  - 1...Sxd4
    - 2.Qxd4+
      - 2...Kb1
        3.Qd1#
      - 2...Kc1
        3.Qd1#
      - 2...Kc2
        3.Qd1#
      - 2...Kb3
        3.Qd3#
  - 1...Ra1
    - 2.Rxb4+
      - 2...Kc1
        3.Bg5#
      - 2...Ka2
        3.Qxc2#
  - 1...b3
    - 2.Qc3+
      - 2...Kb1
        3.Rd1#
      - 2...Kc1
        3.Rd1#
      - 2...Kxc3
        3.Sd1#

FEATURES

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