Answers.Body: <p>I think that Kf2 is actually the winning move for White and the perpetual results after gxf3.</p>
  <pre><code>[FEN &quot;4Q/4p1bk/1p1qp2p/p1p1n2B/4P/2P3B1/PP4P/6K b - - 0 1&quot;]
  
  1... Nf3+ 2. gxf3 Qxg3+
  </code></pre>
  <p>Now the White king can not escape the perpetual even though the Black king is very close to checkmate.</p>
  
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2021-02-03T21:54:39.057Z
Answers.LastActivityDate: 2024-07-03T16:04:57.713Z
Answers.LastEditDate: 2024-07-03T16:04:57.713Z
Answers.UserDisplayName: Hacker
Body: <p><a href="https://chesstempo.com/chess-problems/178069" rel="nofollow noreferrer">This puzzle</a> on <a href="https://chesstempo.com/" rel="nofollow noreferrer">chesstempo</a> caught my eye. We play as White:</p>
  <pre><code>[FEN &quot;4Q/4p1bk/1p1qp2p/p1p1n2B/4P/2P3B1/PP4P/6K b - - 0 1&quot;]
  
  1. Nf3
  </code></pre>
  <p><strong>Side Note:</strong> <em>The answer is of no importance here, so no spoilers from me. :)</em></p>
  <p>The puzzle is tagged with <a href="/questions/tagged/avoiding-perpetual" class="post-tag" title="show questions tagged &#39;avoiding-perpetual&#39;" rel="tag">avoiding-perpetual</a>, yet I cannot see the perpetual check here. It has been discussed in the comments under the puzzle:</p>
  <blockquote>
  <ul>
  <li>Why not just gxf3 and after Qxg3+, run away with the king to the left board edge and hide between pawns?</li>
  <li>Because he can’t hide. When the king reaches c2, the black queen attacks from e2. When the king is on b3, the queen moves to b5, and perpetual.</li>
  </ul>
  </blockquote>
  <p>However, I do not think this is quite right. b5 is protected by the White queen.  So, where and how is perpetual reached on this board? I would appreciate a hint instead of the full solution. :)</p>
  
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2020-12-25T17:30:08.493Z
Comments.Text: I don't think there is a perpetual after gxf3 Qxg3+, but then there doesn't need to be as black is safe then. The perpetual meant is probably in the line Kf2 Ne5 Bxe5 Qd2+, as mentioned in another comment.
Comments.UserDisplayName: RemcoGerlich
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2024-07-03T09:43:58.657Z
Comments.Text: the notation should be 1... Nf3+
Comments.UserDisplayName: Lucenaposition
Tags: <puzzles><check><perpetual>
Title: How is a perpetual check reached in this puzzle?
ThreadText: # How is a perpetual check reached in this puzzle?
  
  (Asked by: username_0 on 2020-12-25)
  
  [This puzzle](https://chesstempo.com/chess-problems/178069) on [chesstempo](https://chesstempo.com/) caught my eye. We play as White:
  
  ```
  [FEN "4Q/4p1bk/1p1qp2p/p1p1n2B/4P/2P3B1/PP4P/6K b - - 0 1"]
  
  1. Nf3
  
  ```
  
  **Side Note:** *The answer is of no importance here, so no spoilers from me. :)*
  
  The puzzle is tagged with [avoiding-perpetual](/questions/tagged/avoiding-perpetual "show questions tagged 'avoiding-perpetual'"), yet I cannot see the perpetual check here. It has been discussed in the comments under the puzzle:
  
  > * Why not just gxf3 and after Qxg3+, run away with the king to the left board edge and hide between pawns?
  > * Because he can’t hide. When the king reaches c2, the black queen attacks from e2. When the king is on b3, the queen moves to b5, and perpetual.
  
  However, I do not think this is quite right. b5 is protected by the White queen. So, where and how is perpetual reached on this board? I would appreciate a hint instead of the full solution. :)
  
  **Tags:** puzzles, check, perpetual
  
  > **Comments:**
  > **username_1**: I don't think there is a perpetual after gxf3 Qxg3+, but then there doesn't need to be as black is safe then. The perpetual meant is probably in the line Kf2 Ne5 Bxe5 Qd2+, as mentioned in another comment.  
  > **username_2**: the notation should be 1... Nf3+  
  
  ---
  
  ## 1 answers
  
  ### Answer by username_3 on 2021-02-03. Score: 1
  
  I think that Kf2 is actually the winning move for White and the perpetual results after gxf3.
  
  ```
  [FEN "4Q/4p1bk/1p1qp2p/p1p1n2B/4P/2P3B1/PP4P/6K b - - 0 1"]
  
  1... Nf3+ 2. gxf3 Qxg3+
  
  ```
  
  Now the White king can not escape the perpetual even though the Black king is very close to checkmate.
  
  
  ---
  
  