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Problem Display

PID: 123736 (1R6/1p6/5p2/P1pB1P1p/2p2K1B/k1N4P/2p5/2N5 w - - 0 1)

Rizzetti, Dante Hugo

Boletim da UBP, 1965

1R6/1p6/5p2/P1pB1P1p/2p2K1B/k1N4P/2p5/2N5

#4

9 + 7

6490	yacpdb	2009

SOLUTION

SOUND
Keys
- 1.Bxb7!
  - 1...Kb2
    - 2.Bf3+
      - 2...Ka1
        3.Bd1
        3...cxd1Q
        4.Rb1#
        3...cxd1S
        4.Rb1#
        3...cxd1B
        4.Rb1#
        3...cxd1R
        4.Rb1#
      - 2...Kxc1
        3.Sa2+
        3...Kd2
        4.Rd8#
        3.Se2+
        3...Kd1
        4.Rd8#
        3...Kd2
        4.Rd8#
        3.Be1
        3...h4
        4.Sa2#
      - 2...Ka3
        3.Bf2
        3...h4
        4.Bxc5#
      - 2...Kxc3
        3.Sa2+
        3...Kd2
        4.Rd8#
        3...Kd3
        4.Rd8#
        3...Kd4
        4.Rd8#
        3.Se2+
        3...Kd2
        4.Rd8#
        3...Kd3
        4.Rd8#
        3.Be1+
        3...Kd4
        4.Rd8#
  - 1...Kb4
    - 2.Bc6+
      - 2...Ka3
        3.S3a2
        3...c3
        4.Rb3#
        3.S3e2
        3...c3
        4.Rb3#
        3.Sa4
        3...c3
        4.Rb3#
        3.Se4
        3...c3
        4.Rb3#
        3.Sd5
        3...c3
        4.Rb3#
        3.Bf2
        3...h4
        4.Bxc5#
      - 2...Kxc3
        3.Be1+
        3...Kd4
        4.Rd8#
      - 2...Kxa5
        3.Sd5
        threat
        4.Ra8#
        3...Ka6
        4.Ra8#

FEATURES

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