Answers.Body: <p>No, the white king can still move to b1.</p>
  
  <p>That said, Kb1 Qb4+; any Qb2 is mate.</p>
  
  <pre><code> [FEN "3Q4/8/k7/5p2/q2p1Pp1/2p3P1/K1P5/3R4 w - - 0 1"]
  
   1. Kb1 Qb4+ 2. Ka2 Qb2# 
  </code></pre>
  
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2020-01-02T18:19:54.240Z
Answers.LastActivityDate: 2020-01-02T18:19:54.240Z
Answers.UserDisplayName: PhishMaster
Body: <pre><code>[fen "3Q4/8/k7/5p2/q2p1Pp1/2p3P1/K1P5/3R4 w - - 0 1"]
  </code></pre>
  
  <p>I recently started playing chess and was doing some puzzles online. It says that this move is checkmate but I don't see why white can't move to b1. Can someone please explain?</p>
  
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2020-01-02T18:24:29.967Z
Comments.Text: It means that mate will happen not that it has already occured.  See Phishmasters full  answer below.
Comments.UserDisplayName: yobamamama
Comments.ContentLicense: CC BY-SA 4.0
Comments.CreationDate: 2020-01-02T18:56:48.617Z
Comments.Text: Maybe this puzzle shows the tower in the wrong color (that is, it should have been a black tower instead of a white one).
Comments.UserDisplayName: 01101001b
Tags: <analysis><checkmate>
Title: Is this checkmate?
ThreadText: # Is this checkmate?
  
  (Asked by: username_0 on 2020-01-02)
  
  ```
  [fen "3Q4/8/k7/5p2/q2p1Pp1/2p3P1/K1P5/3R4 w - - 0 1"]
  
  ```
  
  I recently started playing chess and was doing some puzzles online. It says that this move is checkmate but I don't see why white can't move to b1. Can someone please explain?
  
  **Tags:** analysis, checkmate
  
  > **Comments:**
  > **username_1**: It means that mate will happen not that it has already occured.  See Phishmasters full  answer below.  
  > **username_2**: Maybe this puzzle shows the tower in the wrong color (that is, it should have been a black tower instead of a white one).  
  
  ---
  
  ## 1 answers
  
  ### Answer by username_3 on 2020-01-02. Score: 3 | Accepted answer
  
  No, the white king can still move to b1.
  
  That said, Kb1 Qb4+; any Qb2 is mate.
  
  ```
   [FEN "3Q4/8/k7/5p2/q2p1Pp1/2p3P1/K1P5/3R4 w - - 0 1"]
  
   1. Kb1 Qb4+ 2. Ka2 Qb2# 
  
  ```
  
  
  ---
  
  