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Attacking chess tactic

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White to move. How should White proceed?

4Q3/r1p2pk1/5bp1/2N1R3/2r5/p1q5/2P1K1P1/3R4 w – – 0 1

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8 Comments

  1. Anonymous Reply

    1.Ne6+!
    A>1….fxe6.2.Rd7+.
    A1>2…Be7.3.Qxe7+.Kany.4.Qg7#
    A2>2…Kh6.3.Qf8+.K/B any4.Qxg7#

    B>1….Kh6.2.Qf8+.
    B1>2…Bg7.3.Qxg7#
    B2>2…Kh7.3.Qxf7+.
    B21>3..Bg7.4.Qxg7#
    B22>3..Kh8.4.Qxf6+.K any.5.Qg7#
    B23>3..Kh6.4.Qf8+.
    B231>4…Bg7.5.Qxg7#
    B232>4…Kh7.5.Rd7+.Be7/g7.6.Qg7#.

    C>1….Kh7.2.Qxf7+.
    C1>2…Bg7.3.Qxg7#
    C2>2…Kh8.3.Rd8+.Bxd8.4.Qg7#
    C3>2…Kh6.3.Qf8+.Again var B23!
    C31>3…Bg7.4.Qxg7#
    C32>3…Kh7.4.Rd7+.Be7/g7.5.Qg7#.

    Hence forced mate in 6 which is variation B232!
    B232>1.Ne6+!.Kh6.2.Qf8+.Kh7.3.Qxf7+.Kh6.4.Qf8+.Kh7.5.Rd7+.Be7/g7.6.Qg7#.

    The shortest mate is in 3 as per variation B1
    B1>1.Ne6+!.Kh6.2.Qf8+.Bg7.3.Qxg7#

    Harry

  2. s.k.srivastava Reply

    1Ne6+ wins

  3. pht Reply

    This should be check on every move, making it simple (anything else would be utterly difficult for white here). It goes:

    1. Ne6+!

    Trying out the accepted sack lines:

    1. … fxe6
    2. Rd7+ Kh6
    3. Qf8+ Bg7
    4. Qxg7#

    2. … Be7
    3. Qxe7+ Kg8/Kh8
    4. Rd8#/Qd8#/Qe8#/Qf8#

    3. … Kh6
    4. Qg7#/Qh7#

    Lines declining the N sack:

    A)
    2. … Kh6
    3. Qf8+ Kh7 (Bg7? Qxg7#)
    4. Rh1+ Rh4
    5. Rxh4+ Bxh4
    6. Qg7#

    B)
    2. … Kh7
    3. Qxf7+ Kh6
    4. Rh1+
    is the same as A.

    Black can make this 7 moves by inserting the Q sack:

    4. … Qh3
    5. Rxh3+ Rh4
    6. Rxh4+ Bxh4
    7. Qg7#

  4. PROF.S.G.BHAT Reply

    1.Ne6+ settles the matter.

  5. pht Reply

    To see that Ne6+ actually works, you have to see (in the declined sack line) the later bishop deflection trick Rh1+ Rh4 Rxh4+ Bxh4 Qg7#.

    Without seeing this, the puzzle should be impossible to solve (unless you simply say Ne6+ by guess, but that isn’t a solution).

  6. Ankit the Writer Reply

    1. Ne6+ fxe6 2.Rd7+ Kh6 3. Qf8+ Bg7 4. QxBg7#

  7. PROF.S.G.BHAT Reply

    Dear pht,
    I am caught off guard by you several times.All I had in my mind was(in declining line)
    1.Ne6+ Kh6
    2.Qf8+ Kh7
    3.Qxf7+ Kh6
    4.Qf8+ Kh7
    5.Rd7+
    the line Rh1+ never entered my head otherwise I would have enjoyed the bishop deflection theme the very essential point of the solution.Perhaps it is age factor.At 70 I fail to catch all lines.

  8. PROF.S.G.BHAT Reply

    Dear pht ,
    Have you observed an alternate pattern in your (B) module.
    4.Rh1+ Rh4
    5.Qg7+ Bxg7
    6.Rxh4#

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