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Problem Display

PID: 93518 (8/5Q2/p7/8/2PPpN2/1p2P1B1/1K1PBrpp/4k2r w - - 0 1)

Vladimirov, Yakov Georgevich

SSSR, 1966

8/5Q2/p7/8/2PPpN2/1p2P1B1/1K1PBrpp/4k2r

#3

9 + 8

6490	yacpdb	2009

SOLUTION

SOUND
Tries
- 1.Qb7?
  - threat
    - 2.Qxb3
      - threat
        3.Qd1#
      - 2...Kxd2
        3.Qc3#
  - 1...Kxd2
    - 2.Qb4+
      - 2...Kxe3
        3.Qc3#
  - 1...g1S!
- 1.c5?
  - threat
    - 2.Qxb3
      - threat
        3.Qd1#
      - 2...Kxd2
        3.Qc3#
    - 2.Qc4
      - threat
        3.Qc1#
      - 2...Kxd2
        3.Qc3#
  - 1...g1S
    - 2.Qc4
      - threat
        3.Qc1#
      - 2...Kxd2
        3.Qc1#
        3.Qc3#
      - 2...Sxe2
        3.Qxe2#
  - 1...g1B
    - 2.Qxb3
      - threat
        3.Qd1#
      - 2...Kxd2
        3.Qc3#
    - 2.Qc4
      - threat
        3.Qc1#
      - 2...Kxd2
        3.Qc1#
        3.Qc3#
  - 1...Kxd2!
Keys
- 1.Qh5!
  - threat
    - 2.Qa5
      - threat
        3.d3#
  - 1...Kxd2
    - 2.Qa5+
      - 2...Kxe3
        3.Qc3#
  - 1...g1S
    - 2.Bxf2+
      - 2...Kxd2
        3.Qa5#
      - 2...Kxf2
        3.Qh4#
  - 1...g1B
    - 2.Kc3
      - threat
        3.Sg2#
  - 1...a5
    - 2.Qxa5
      - threat
        3.d3#

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