Answers.Body: <p>Here is a mate (in 7) for kingside castling:</p>
  <pre><code>[FEN &quot;&quot;]
  
  1. e4 f5 2. f3 fxe4 3. fxe4 Kf7 4. Qh5+ Kf6 5. Nh3 a6 6. Bc4 a5 7. O-O#
  </code></pre>
  
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2019-02-27T21:14:49.293Z
Answers.LastActivityDate: 2021-11-05T13:42:49.870Z
Answers.LastEditDate: 2021-11-05T13:42:49.870Z
Answers.UserDisplayName: Glorfindel
Answers.Body: <p>mate in seven for queenside castling:</p>
  
  <pre><code>[FEN ""]
  1. e4 d5 2. d3 dxe4 3. Nc3 Kd7 4. Bh6 Kd6 5. dxe4+ Ke5 6. Qh5+ Kd4 7. O-O-O#
  </code></pre>
  
  <p>Might be worth checking whether it gets any faster if black is the one to castle.</p>
  
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2019-02-27T21:51:52.997Z
Answers.LastActivityDate: 2019-02-27T21:51:52.997Z
Answers.UserDisplayName: user1583209
Answers.Body: <p>Mate in 6.0 for kingside.</p>
  
  <pre><code>[FEN "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1 "]
  1. e4 e6 2. Bc4 Bd6 3. Ke2 Qg5 4. Kf3 Nh6 5. Bxe6 fxe6 6. Qe2 O-O#
  </code></pre>
  
  <p>And 5.5 for queenside, even faster.</p>
  
  <pre><code>[FEN "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1 "]
  1. d4 Nc6 2. Nc3 Nxd4 3. Qxd4 e5 4. Qc4 Ke7 5. Bg5+ Kd6 6. O-O-O#
  </code></pre>
  
  <p>This should be fastest.</p>
  
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2019-02-28T02:51:24.797Z
Answers.LastActivityDate: 2019-02-28T02:56:46.977Z
Answers.LastEditDate: 2019-02-28T02:56:46.977Z
Answers.UserDisplayName: Remellion
Body: <p>I wish to know the fastest possible castling checkmate, both queenside and kingside, that is vertical.</p>
  <p>See my question about <a href="https://chess.stackexchange.com/questions/23847/">horizontal checkmates.</a></p>
  
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2021-11-05T12:51:19.597Z
Comments.Text: Interesting. We should keep separate records for black and white.
Comments.UserDisplayName: Daniel Alfredo Sottile
Tags: <checkmate><problems><castling><records>
Title: What is the fastest vertical checkmate for both castlings?
ThreadText: # What is the fastest vertical checkmate for both castlings?
  
  (Asked by: username_0 on 2019-02-27)
  
  I wish to know the fastest possible castling checkmate, both queenside and kingside, that is vertical.
  
  See my question about [horizontal checkmates.](https://chess.stackexchange.com/questions/23847/)
  
  **Tags:** checkmate, problems, castling, records
  
  > **Comments:**
  > **username_1**: Interesting. We should keep separate records for black and white.  
  
  ---
  
  ## 3 answers
  
  ### Answer by username_4 on 2019-02-28. Score: 4 | Accepted answer
  
  Mate in 6.0 for kingside.
  [FEN "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1 "]
  1. e4 e6 2. Bc4 Bd6 3. Ke2 Qg5 4. Kf3 Nh6 5. Bxe6 fxe6 6. Qe2 O-O#
  
  And 5.5 for queenside, even faster.
  [FEN "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1 "]
  1. d4 Nc6 2. Nc3 Nxd4 3. Qxd4 e5 4. Qc4 Ke7 5. Bg5+ Kd6 6. O-O-O#
  
  This should be fastest.
  
  
  ---
  
  ### Answer by username_2 on 2019-02-27. Score: 3
  
  Here is a mate (in 7) for kingside castling:
  [FEN ""]
  
  1. e4 f5 2. f3 fxe4 3. fxe4 Kf7 4. Qh5+ Kf6 5. Nh3 a6 6. Bc4 a5 7. O-O#
  
  
  ---
  
  ### Answer by username_3 on 2019-02-27. Score: 2
  
  mate in seven for queenside castling:
  [FEN ""]
  1. e4 d5 2. d3 dxe4 3. Nc3 Kd7 4. Bh6 Kd6 5. dxe4+ Ke5 6. Qh5+ Kd4 7. O-O-O#
  
  Might be worth checking whether it gets any faster if black is the one to castle.
  
  
  ---
  
  