Answers.Body: <p>Black can force checkmate. After 1. gxf3 Nexf3+ 2. Kh1 Bh3 nothing white can do can prevent Bg2#. The most white can do is delay by a move with a spite check sacrificing the queen</p>
  <pre><code>[fen &quot;4r1k1/3b1p2/6p1/1BPpn2p/7n/r3PqN1/2Q1RPPP/1R3NK1 w - - 0 1&quot;]
  [Startflipped &quot;1&quot;]
  
  1. gxf3 Nexf3+ 2. Kh1 Bh3 3. Qxg6+ fxg6 4. null Bg2#
  </code></pre>
  
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2024-04-08T20:13:07.567Z
Answers.LastActivityDate: 2024-04-08T20:13:07.567Z
Answers.UserDisplayName: Brian Towers
Body: <p>I'm just staring at this sacrifice without seeing the solution, anyone kindly help to me ?</p>
  <pre><code>[fen &quot;4r1k1/3b1p2/6p1/1BPpn2p/7n/r3PqN1/2Q1RPPP/1R3NK1 w - - 0 1&quot;]
  [Startflipped &quot;1&quot;]
  </code></pre>
  
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2024-04-08T19:06:02.040Z
Comments.Text: now black threatens Qxg2 mate. w doesnt have anything better than taking Q. Nexf3 Kh1. now comes Bh3 with mate threat with Bg2. try to see if there is a way out for white
Comments.UserDisplayName: cmgchess
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2024-04-08T19:37:04.970Z
Comments.Text: @cmgchess Take black b at g2 by k ?
Comments.UserDisplayName: user2925716
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2024-04-08T19:54:03.527Z
Comments.Text: Bg2 is defended by the knight on h4.
Comments.UserDisplayName: Hank's back rank
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2024-04-08T19:59:30.180Z
Comments.Text: @Hank'sbackrank Right, I just confused the 2 knights on the board.
Comments.UserDisplayName: user2925716
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2024-04-09T06:53:03.220Z
Comments.Text: If you can't solve a problem I suggest you learn how to use an engine - if you get stuck (and only use the engine once you get stuck) it will show you the wining line almost instantly. The set of tools on lichess is a good place to start
Comments.UserDisplayName: Ian Bush
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2024-04-09T08:17:32.443Z
Comments.Text: I was sure this classical sacrifice was from a Brois Spassky's game but I cannot find a reference.
Comments.UserDisplayName: Evargalo
Tags: <puzzles><sacrifice><queen-sacrifice>
Title: My next question on a sacrifice
ThreadText: # My next question on a sacrifice
  
  (Asked by: username_0 on 2024-04-08)
  
  I'm just staring at this sacrifice without seeing the solution, anyone kindly help to me ?
  
  ```
  [fen "4r1k1/3b1p2/6p1/1BPpn2p/7n/r3PqN1/2Q1RPPP/1R3NK1 w - - 0 1"]
  [Startflipped "1"]
  
  ```
  
  **Tags:** puzzles, sacrifice, queen-sacrifice
  
  > **Comments:**
  > **username_1**: now black threatens Qxg2 mate. w doesnt have anything better than taking Q. Nexf3 Kh1. now comes Bh3 with mate threat with Bg2. try to see if there is a way out for white  
  > **username_0**: @username_1 Take black b at g2 by k ?  
  > **username_2**: Bg2 is defended by the knight on h4.  
  > **username_0**: @username_2 Right, I just confused the 2 knights on the board.  
  > **username_3**: If you can't solve a problem I suggest you learn how to use an engine - if you get stuck (and only use the engine once you get stuck) it will show you the wining line almost instantly. The set of tools on lichess is a good place to start  
  > **username_4**: I was sure this classical sacrifice was from a Brois Spassky's game but I cannot find a reference.  
  
  ---
  
  ## 1 answers
  
  ### Answer by username_5 on 2024-04-08. Score: 2
  
  Black can force checkmate. After 1. gxf3 Nexf3+ 2. Kh1 Bh3 nothing white can do can prevent Bg2#. The most white can do is delay by a move with a spite check sacrificing the queen
  
  ```
  [fen "4r1k1/3b1p2/6p1/1BPpn2p/7n/r3PqN1/2Q1RPPP/1R3NK1 w - - 0 1"]
  [Startflipped "1"]
  
  1. gxf3 Nexf3+ 2. Kh1 Bh3 3. Qxg6+ fxg6 4. null Bg2#
  
  ```
  
  
  ---
  
  