Answers.Body: <p>There seem to be many ways to mate in 6.  That is the best I found.  Here is one.</p>
  <pre><code>[FEN &quot;4k3/8/8/8/8/8/PPPPPPPP/RNBQKBNR w KQ - 0 1&quot;]
  
  1.e4 Ke7 2.Qg4 Kd6 3.Qg7 Kc5 4.d4+ Kb4 5.Bd2+ Ka4 6.b3#
  </code></pre>
  
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2021-09-15T12:12:05.203Z
Answers.Text: I like the fact that the queen isn’t even doing anything…
Answers.UserDisplayName: fartgeek
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Answers.CreationDate: 2021-09-15T19:45:52.810Z
Answers.Text: @fartgeek: The queen may not be giving checks, but she is surely doing quite a lot on g7 (most importantly, the queen forces the king to run away to the queenside, blocks the king from fleeing to the 7th rank, and guards the pawn on d4).
Answers.UserDisplayName: Kevin
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Answers.CreationDate: 2021-09-16T09:27:44.233Z
Answers.Text: Just for fun, I first interpreted the question as "White serial mover" (I'm a problemist :-). The answer then is almost unique: 1.e3,4 2.Qf3 3.Qf6 4.Bb5#
Answers.UserDisplayName: Hauke Reddmann
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2021-09-16T12:00:49.693Z
Answers.Text: Thank you for all your contributions. What seems to be ignored, though, is my original restriction/demand that black gives his/her best play.
Answers.UserDisplayName: Kai Käkelä
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2021-09-16T12:08:50.510Z
Answers.Text: @KaiKäkelä The line I provided is stockfish 14 best play for both sides at 100 ply.  This appears to be mate in 6. There are many moves that result in mate in 6.  To me, all those moves are equal. Therefore there is no better play than what I provided
Answers.UserDisplayName: Michael West
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Answers.CreationDate: 2021-09-16T12:22:02.710Z
Answers.Text: @MichaelWest Ok, thank you for clarification. My bad.
Answers.UserDisplayName: Kai Käkelä
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Answers.CreationDate: 2021-09-15T11:08:23.683Z
Answers.LastActivityDate: 2021-09-15T11:08:23.683Z
Answers.UserDisplayName: Michael West
Body: <p>Imagine that all White pieces are in their initial position and Black only has their king on e8. What is the smallest number of moves needed for White to give checkmate?</p>
  
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2021-09-15T11:44:37.360Z
Comments.Text: note, you can find the answer to this on the analysis board in lichess, among others: https://lichess.org/analysis/4k3/8/8/8/8/8/PPPPPPPP/RNBQKBNR_w_KQ_-_0_1
Comments.UserDisplayName: L. Scott Johnson
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2021-09-15T11:48:17.103Z
Comments.Text: Thank you Mr. Johnson. I am new here, all information regarding analysis boards etc. is welcome. -Kai Käkelä-
Comments.UserDisplayName: Kai Käkelä
Tags: <problems>
Title: Smallest number of moves needed to mate a lone Black king on e8 with all White pieces
ThreadText: # Smallest number of moves needed to mate a lone Black king on e8 with all White pieces
  
  (Asked by: username_0 on 2021-09-15)
  
  Imagine that all White pieces are in their initial position and Black only has their king on e8. What is the smallest number of moves needed for White to give checkmate?
  
  **Tags:** problems
  
  > **Comments:**
  > **username_1**: note, you can find the answer to this on the analysis board in lichess, among others: https://lichess.org/analysis/4k3/8/8/8/8/8/PPPPPPPP/RNBQKBNR_w_KQ_-_0_1  
  > **username_0**: Thank you Mr. username_1. I am new here, all information regarding analysis boards etc. is welcome. -Kai username_0-  
  
  ---
  
  ## 1 answers
  
  ### Answer by username_2 on 2021-09-15. Score: 4
  
  There seem to be many ways to mate in 6. That is the best I found. Here is one.
  
  ```
  [FEN "4k3/8/8/8/8/8/PPPPPPPP/RNBQKBNR w KQ - 0 1"]
  
  1.e4 Ke7 2.Qg4 Kd6 3.Qg7 Kc5 4.d4+ Kb4 5.Bd2+ Ka4 6.b3#
  
  ```
  
  > **Comments:**
  > **username_3**: I like the fact that the queen isn’t even doing anything…  
  > **username_4**: @username_3: The queen may not be giving checks, but she is surely doing quite a lot on g7 (most importantly, the queen forces the king to run away to the queenside, blocks the king from fleeing to the 7th rank, and guards the pawn on d4).  
  > **username_5**: Just for fun, I first interpreted the question as "White serial mover" (I'm a problemist :-). The answer then is almost unique: 1.e3,4 2.Qf3 3.Qf6 4.Bb5#  
  > **username_0**: Thank you for all your contributions. What seems to be ignored, though, is my original restriction/demand that black gives his/her best play.  
  > **username_2**: @username_0 The line I provided is stockfish 14 best play for both sides at 100 ply.  This appears to be mate in 6. There are many moves that result in mate in 6.  To me, all those moves are equal. Therefore there is no better play than what I provided  
  > **username_0**: @username_2 Ok, thank you for clarification. My bad.  
  
  ---
  
  