Pawn Sacrifice JustificationHow can I tell when to sacrifice?How to judge a sacrifice?Was this sacrifice a good one?Why sacrifice the rook?Who is better after this queen sacrifice line?Spectacular queen sacrifice gameExchange sacrifice to dominate black squares in NajdorfIs this knight sacrifice a good idea?Why should I sacrifice Bishop?Why does white sacrifice their queen in this exercise?

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Pawn Sacrifice Justification


How can I tell when to sacrifice?How to judge a sacrifice?Was this sacrifice a good one?Why sacrifice the rook?Who is better after this queen sacrifice line?Spectacular queen sacrifice gameExchange sacrifice to dominate black squares in NajdorfIs this knight sacrifice a good idea?Why should I sacrifice Bishop?Why does white sacrifice their queen in this exercise?













2















A few weeks ago, Magnus Carlsen (White) played against Anish Giri (Black), and this position was reached on the board on move 17 after black had played exf4:



Here is the full game:



[White "Magnus Carlsen"]
[Black "Anish Giri"]
[FEN ""]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. d3 h6 9. Nxd5 Qxd5 10. a3 a5 11. Bd2 Qe612. Rc1 Qe7 13. Bc3 Nd4 14. e3 Nxf3+ 15. Qxf3 Bd6 16. Qh5 c617. f4 exf4 18. gxf4 Qxe3+ 19. Kh1 Rd8 20. Rce1 Qc5 21. f5 Bf822. Be4 Rd5 23. Rf3 b5 24. Rg1 Ra7 25. Bf6 g6 26. Qh3 Rd6 27. Qh4 Rxf6 28. Qxf6 Be7 29. Qxc6 Qxc6 30. Bxc6 Kg7 31. fxg6 fxg6 32. d4 a4 33. d5 b4 34. Be8 Bg5 35. h4 Bxh4 36. Rxg6+ Kh7 37. Rc6 Bg4 38. Rf4 Rg7 1-0


Now, with white to play, it would be natural would be to play exf4. However, gxf4 was played, hanging a pawn and letting black capture it with a check.



Can someone explain what is the logic behind such apparently wrong move?










share|improve this question
























  • Could you perhaps give us a link to the full game, along with who played which side?

    – Rewan Demontay
    7 hours ago












  • A link of the full game is: m.youtube.com/watch?v=fFRVFHP4GLE&t=284s. Note the moves list is given in the video description. I have also updated the answer.

    – Maths64
    7 hours ago
















2















A few weeks ago, Magnus Carlsen (White) played against Anish Giri (Black), and this position was reached on the board on move 17 after black had played exf4:



Here is the full game:



[White "Magnus Carlsen"]
[Black "Anish Giri"]
[FEN ""]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. d3 h6 9. Nxd5 Qxd5 10. a3 a5 11. Bd2 Qe612. Rc1 Qe7 13. Bc3 Nd4 14. e3 Nxf3+ 15. Qxf3 Bd6 16. Qh5 c617. f4 exf4 18. gxf4 Qxe3+ 19. Kh1 Rd8 20. Rce1 Qc5 21. f5 Bf822. Be4 Rd5 23. Rf3 b5 24. Rg1 Ra7 25. Bf6 g6 26. Qh3 Rd6 27. Qh4 Rxf6 28. Qxf6 Be7 29. Qxc6 Qxc6 30. Bxc6 Kg7 31. fxg6 fxg6 32. d4 a4 33. d5 b4 34. Be8 Bg5 35. h4 Bxh4 36. Rxg6+ Kh7 37. Rc6 Bg4 38. Rf4 Rg7 1-0


Now, with white to play, it would be natural would be to play exf4. However, gxf4 was played, hanging a pawn and letting black capture it with a check.



Can someone explain what is the logic behind such apparently wrong move?










share|improve this question
























  • Could you perhaps give us a link to the full game, along with who played which side?

    – Rewan Demontay
    7 hours ago












  • A link of the full game is: m.youtube.com/watch?v=fFRVFHP4GLE&t=284s. Note the moves list is given in the video description. I have also updated the answer.

    – Maths64
    7 hours ago














2












2








2








A few weeks ago, Magnus Carlsen (White) played against Anish Giri (Black), and this position was reached on the board on move 17 after black had played exf4:



Here is the full game:



[White "Magnus Carlsen"]
[Black "Anish Giri"]
[FEN ""]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. d3 h6 9. Nxd5 Qxd5 10. a3 a5 11. Bd2 Qe612. Rc1 Qe7 13. Bc3 Nd4 14. e3 Nxf3+ 15. Qxf3 Bd6 16. Qh5 c617. f4 exf4 18. gxf4 Qxe3+ 19. Kh1 Rd8 20. Rce1 Qc5 21. f5 Bf822. Be4 Rd5 23. Rf3 b5 24. Rg1 Ra7 25. Bf6 g6 26. Qh3 Rd6 27. Qh4 Rxf6 28. Qxf6 Be7 29. Qxc6 Qxc6 30. Bxc6 Kg7 31. fxg6 fxg6 32. d4 a4 33. d5 b4 34. Be8 Bg5 35. h4 Bxh4 36. Rxg6+ Kh7 37. Rc6 Bg4 38. Rf4 Rg7 1-0


Now, with white to play, it would be natural would be to play exf4. However, gxf4 was played, hanging a pawn and letting black capture it with a check.



Can someone explain what is the logic behind such apparently wrong move?










share|improve this question
















A few weeks ago, Magnus Carlsen (White) played against Anish Giri (Black), and this position was reached on the board on move 17 after black had played exf4:



Here is the full game:



[White "Magnus Carlsen"]
[Black "Anish Giri"]
[FEN ""]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 7. O-O O-O 8. d3 h6 9. Nxd5 Qxd5 10. a3 a5 11. Bd2 Qe612. Rc1 Qe7 13. Bc3 Nd4 14. e3 Nxf3+ 15. Qxf3 Bd6 16. Qh5 c617. f4 exf4 18. gxf4 Qxe3+ 19. Kh1 Rd8 20. Rce1 Qc5 21. f5 Bf822. Be4 Rd5 23. Rf3 b5 24. Rg1 Ra7 25. Bf6 g6 26. Qh3 Rd6 27. Qh4 Rxf6 28. Qxf6 Be7 29. Qxc6 Qxc6 30. Bxc6 Kg7 31. fxg6 fxg6 32. d4 a4 33. d5 b4 34. Be8 Bg5 35. h4 Bxh4 36. Rxg6+ Kh7 37. Rc6 Bg4 38. Rf4 Rg7 1-0


Now, with white to play, it would be natural would be to play exf4. However, gxf4 was played, hanging a pawn and letting black capture it with a check.



Can someone explain what is the logic behind such apparently wrong move?







tactics middlegame sacrifice carlsen master-games






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited 6 hours ago









Glorfindel

13.2k43664




13.2k43664










asked 8 hours ago









Maths64Maths64

436112




436112












  • Could you perhaps give us a link to the full game, along with who played which side?

    – Rewan Demontay
    7 hours ago












  • A link of the full game is: m.youtube.com/watch?v=fFRVFHP4GLE&t=284s. Note the moves list is given in the video description. I have also updated the answer.

    – Maths64
    7 hours ago


















  • Could you perhaps give us a link to the full game, along with who played which side?

    – Rewan Demontay
    7 hours ago












  • A link of the full game is: m.youtube.com/watch?v=fFRVFHP4GLE&t=284s. Note the moves list is given in the video description. I have also updated the answer.

    – Maths64
    7 hours ago

















Could you perhaps give us a link to the full game, along with who played which side?

– Rewan Demontay
7 hours ago






Could you perhaps give us a link to the full game, along with who played which side?

– Rewan Demontay
7 hours ago














A link of the full game is: m.youtube.com/watch?v=fFRVFHP4GLE&t=284s. Note the moves list is given in the video description. I have also updated the answer.

– Maths64
7 hours ago






A link of the full game is: m.youtube.com/watch?v=fFRVFHP4GLE&t=284s. Note the moves list is given in the video description. I have also updated the answer.

– Maths64
7 hours ago











2 Answers
2






active

oldest

votes


















2














As was stated in the answer to this post made by D M, one idea of capturing in this manner is to open up the g-file for white's rooks to attack black's king. In the game this proved to be a very potent idea, and in general it's a good idea to open up lines for one's rooks against the enemy king if one intends to attack it.



But there is another point to letting the e-pawn hang and that is to gain some tempi for the attack. When black's queen spends one tempo on capturing on e3 with check, white responds by playing Kh1 (a move that white wants to make in order to clear the g-file for the rooks), so while black used a tempo to make a move that does nothing to bolster their defenses, white made a move that is crucial for the coming attack (gaining 1 tempo, relatively speaking). Next white improves the position of the rook on c1 by going to e1. Once again, this is done with a gain of tempo, since black's queen is exposed on e3 and needs to spend one tempo moving away. This way white manages to get two "free" tempi to make his position more ready for going on the attack while black had to strut around with their queen, arguably doing nothing to bolster their defenses.



So the pawn sacrifice had a two-fold purpose here, I would say. First, by capturing with the g-pawn white opens up an important line of attack against black's king. Secondly, by investing the e-pawn white gains some free tempi to use in order to make their position more ready to go on the offensive against black's king.



In general, material count is only one of many factors in evaluating a position, and while it may be the most obvious it is not always the most important one. In this example, Carlsen judged that his superior piece coordination and black's kingside weaknesses were more important positional factors than the material count, and seeing how the game went it is difficult to argue that his judgement was off.






share|improve this answer






























    1














    It appears the reason was to clear the pawn from the g-file to get an attack on the opponent's king. Kh1 and Rg1 were later played, which supports this theory.






    share|improve this answer























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      2 Answers
      2






      active

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      2 Answers
      2






      active

      oldest

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      active

      oldest

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      active

      oldest

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      2














      As was stated in the answer to this post made by D M, one idea of capturing in this manner is to open up the g-file for white's rooks to attack black's king. In the game this proved to be a very potent idea, and in general it's a good idea to open up lines for one's rooks against the enemy king if one intends to attack it.



      But there is another point to letting the e-pawn hang and that is to gain some tempi for the attack. When black's queen spends one tempo on capturing on e3 with check, white responds by playing Kh1 (a move that white wants to make in order to clear the g-file for the rooks), so while black used a tempo to make a move that does nothing to bolster their defenses, white made a move that is crucial for the coming attack (gaining 1 tempo, relatively speaking). Next white improves the position of the rook on c1 by going to e1. Once again, this is done with a gain of tempo, since black's queen is exposed on e3 and needs to spend one tempo moving away. This way white manages to get two "free" tempi to make his position more ready for going on the attack while black had to strut around with their queen, arguably doing nothing to bolster their defenses.



      So the pawn sacrifice had a two-fold purpose here, I would say. First, by capturing with the g-pawn white opens up an important line of attack against black's king. Secondly, by investing the e-pawn white gains some free tempi to use in order to make their position more ready to go on the offensive against black's king.



      In general, material count is only one of many factors in evaluating a position, and while it may be the most obvious it is not always the most important one. In this example, Carlsen judged that his superior piece coordination and black's kingside weaknesses were more important positional factors than the material count, and seeing how the game went it is difficult to argue that his judgement was off.






      share|improve this answer



























        2














        As was stated in the answer to this post made by D M, one idea of capturing in this manner is to open up the g-file for white's rooks to attack black's king. In the game this proved to be a very potent idea, and in general it's a good idea to open up lines for one's rooks against the enemy king if one intends to attack it.



        But there is another point to letting the e-pawn hang and that is to gain some tempi for the attack. When black's queen spends one tempo on capturing on e3 with check, white responds by playing Kh1 (a move that white wants to make in order to clear the g-file for the rooks), so while black used a tempo to make a move that does nothing to bolster their defenses, white made a move that is crucial for the coming attack (gaining 1 tempo, relatively speaking). Next white improves the position of the rook on c1 by going to e1. Once again, this is done with a gain of tempo, since black's queen is exposed on e3 and needs to spend one tempo moving away. This way white manages to get two "free" tempi to make his position more ready for going on the attack while black had to strut around with their queen, arguably doing nothing to bolster their defenses.



        So the pawn sacrifice had a two-fold purpose here, I would say. First, by capturing with the g-pawn white opens up an important line of attack against black's king. Secondly, by investing the e-pawn white gains some free tempi to use in order to make their position more ready to go on the offensive against black's king.



        In general, material count is only one of many factors in evaluating a position, and while it may be the most obvious it is not always the most important one. In this example, Carlsen judged that his superior piece coordination and black's kingside weaknesses were more important positional factors than the material count, and seeing how the game went it is difficult to argue that his judgement was off.






        share|improve this answer

























          2












          2








          2







          As was stated in the answer to this post made by D M, one idea of capturing in this manner is to open up the g-file for white's rooks to attack black's king. In the game this proved to be a very potent idea, and in general it's a good idea to open up lines for one's rooks against the enemy king if one intends to attack it.



          But there is another point to letting the e-pawn hang and that is to gain some tempi for the attack. When black's queen spends one tempo on capturing on e3 with check, white responds by playing Kh1 (a move that white wants to make in order to clear the g-file for the rooks), so while black used a tempo to make a move that does nothing to bolster their defenses, white made a move that is crucial for the coming attack (gaining 1 tempo, relatively speaking). Next white improves the position of the rook on c1 by going to e1. Once again, this is done with a gain of tempo, since black's queen is exposed on e3 and needs to spend one tempo moving away. This way white manages to get two "free" tempi to make his position more ready for going on the attack while black had to strut around with their queen, arguably doing nothing to bolster their defenses.



          So the pawn sacrifice had a two-fold purpose here, I would say. First, by capturing with the g-pawn white opens up an important line of attack against black's king. Secondly, by investing the e-pawn white gains some free tempi to use in order to make their position more ready to go on the offensive against black's king.



          In general, material count is only one of many factors in evaluating a position, and while it may be the most obvious it is not always the most important one. In this example, Carlsen judged that his superior piece coordination and black's kingside weaknesses were more important positional factors than the material count, and seeing how the game went it is difficult to argue that his judgement was off.






          share|improve this answer













          As was stated in the answer to this post made by D M, one idea of capturing in this manner is to open up the g-file for white's rooks to attack black's king. In the game this proved to be a very potent idea, and in general it's a good idea to open up lines for one's rooks against the enemy king if one intends to attack it.



          But there is another point to letting the e-pawn hang and that is to gain some tempi for the attack. When black's queen spends one tempo on capturing on e3 with check, white responds by playing Kh1 (a move that white wants to make in order to clear the g-file for the rooks), so while black used a tempo to make a move that does nothing to bolster their defenses, white made a move that is crucial for the coming attack (gaining 1 tempo, relatively speaking). Next white improves the position of the rook on c1 by going to e1. Once again, this is done with a gain of tempo, since black's queen is exposed on e3 and needs to spend one tempo moving away. This way white manages to get two "free" tempi to make his position more ready for going on the attack while black had to strut around with their queen, arguably doing nothing to bolster their defenses.



          So the pawn sacrifice had a two-fold purpose here, I would say. First, by capturing with the g-pawn white opens up an important line of attack against black's king. Secondly, by investing the e-pawn white gains some free tempi to use in order to make their position more ready to go on the offensive against black's king.



          In general, material count is only one of many factors in evaluating a position, and while it may be the most obvious it is not always the most important one. In this example, Carlsen judged that his superior piece coordination and black's kingside weaknesses were more important positional factors than the material count, and seeing how the game went it is difficult to argue that his judgement was off.







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered 1 hour ago









          ScoungedScounged

          3,6151320




          3,6151320





















              1














              It appears the reason was to clear the pawn from the g-file to get an attack on the opponent's king. Kh1 and Rg1 were later played, which supports this theory.






              share|improve this answer



























                1














                It appears the reason was to clear the pawn from the g-file to get an attack on the opponent's king. Kh1 and Rg1 were later played, which supports this theory.






                share|improve this answer

























                  1












                  1








                  1







                  It appears the reason was to clear the pawn from the g-file to get an attack on the opponent's king. Kh1 and Rg1 were later played, which supports this theory.






                  share|improve this answer













                  It appears the reason was to clear the pawn from the g-file to get an attack on the opponent's king. Kh1 and Rg1 were later played, which supports this theory.







                  share|improve this answer












                  share|improve this answer



                  share|improve this answer










                  answered 4 hours ago









                  D MD M

                  4,8201131




                  4,8201131



























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                      ValueError: Expected n_neighbors <= n_samples, but n_samples = 1, n_neighbors = 6 (SMOTE) The 2019 Stack Overflow Developer Survey Results Are InCan SMOTE be applied over sequence of words (sentences)?ValueError when doing validation with random forestsSMOTE and multi class oversamplingLogic behind SMOTE-NC?ValueError: Error when checking target: expected dense_1 to have shape (7,) but got array with shape (1,)SmoteBoost: Should SMOTE be ran individually for each iteration/tree in the boosting?solving multi-class imbalance classification using smote and OSSUsing SMOTE for Synthetic Data generation to improve performance on unbalanced dataproblem of entry format for a simple model in KerasSVM SMOTE fit_resample() function runs forever with no result