Archive for the ‘Hedgehog’ Category

The Fabulous 00s: The NY International 2008 Part Deux

July 1, 2008

More Games, More Drama

Here’s a barnburner I played in Round 3 vs. GM Michael Rohde.

IM M. Ginsburg – GM M. Rohde  Round 3, Hedgehog

1.c4 c5 2.Nf3 Nf6 3.Nc3 e6 4.g3 b6 5.Bg2 Bb7 6.O-O a6 7.Re1 Be7 8.e4 d6 9.d4 cxd4 10.Nxd4 Qc7 Of course the c4 pawn is not really hanging yet.  Black is just setting up a regular hedgehog piece placement.

11.Be3 Nbd7 12.f4 h5!? It’s a little unusual to do this at this exact juncture.  Some players like to go ….Rc8 and …Qb8 to attack the c-pawn “for real”.

13.Rc1!? 13. h3 is the most positionally careful but on this day I felt like throwing a knight into the middle (see move 14).

13…Ng4 14.Nd5! Maybe a TN!  It leads to what I think is a significant white edge.

Position after 14. Nd5!? – Maybe a TN!

14…exd5 15.cxd5 Qd8 16.Nc6 This is the point.  The pawn appearing on c6 will cause coordination problems for black.

16…Bxc6 17.dxc6 Nc5 18.c7?! Rather weak.  Correct is 18. Bd4! with excellent positional compensation.  This position merits careful examination to determine the ultimate worth of 14. Nd5.

18…Qxc7 19.b4 O-O 20.h3 Nxe3 21.Rxe3 h4!? If I were black, I would be more inclined to 21…g6!? but the text is positionally well motivated to gain more dark squares.

Position after 21…h4!? – the most aggressive choice.

22.bxc5 dxc5 23.Qg4 c4! Strong.

24.Kh1 b5 25.e5 Qb6 26.Re4! This is the only move to give black any problems.  Objectively black is better but it’s not easy with limited time to reach move 40.

26…Rad8 27.f5 Qh6 28.Rf1

Position after 28. Rf1.  Decision time.

28…Rfe8? In severe time trouble, black selects a nearly losing move. Correct is 28…f6! and black is much better.  The queenside majority is mobile.

29.f6 Bf8 30.e6! Naturally.

30…Rxe6 31.Rxe6 fxe6 32.Qxe6+ Kh8 33.Bd5! Rxd5 Pretty much necessary but now white has chances to win.

34.Qxd5 The position is now dangerous for black.

Position after 34. Qxd5.

34…hxg3?! 34…gxf6 looks better.  35. Rf5 could be met by 35…Qc1+.

35.Kg2? White gives away a pawn for no reason. Why on earth not first the natural 35. fxg7+ completely baring black’s king?  The queen and rook can then ‘bother” much more effectively and white has good chances to score the full point.

35…gxf6 Black’s king is now safe enough to draw.  Now both sides have very little time left and a set of fairly random moves appear on the board to get to move 40.

36.Rf5 Qg6 37.Rf4 Bh6 38.Qa8+ Kh7 39.Rg4 Qc2+ 40.Kxg3 Qd3+ 41.Kg2 Bg5 42.h4 Qe2+ 43.Kh3 A perpetual check is inevitable.

1/2-1/2 A tough struggle!

Last Round Thriller

IM Alfonse Almeida (2502, MEX) – IM M. Ginsburg  Round 9. Modern/Pirc

1.d4 g6 2.e4 Bg7 3.Nc3 d6 4.Bc4 In Round 1 IM Ron Burnett was successful with 4. Be3 c6!? 5. Qd2 b5!? playing black against IM Eli Vovsha.  The text move, the “Holmov Attack”, has been well studied by theory and is fairly harmless.

4…Nf6 5.Nge2 On the main move 5. Qe2, black has been doing well with the sharp 5…O-O!? 6. e5 Ne8, and the older 5…Nc6 6. e5 Nxd4 7. exf6 Nxe2 8. fxg7 Rg8 is not refuted either.  The text should yield zero.

5…O-O The simplest way is 5…Nxe4!, but I was somehow probably unjustifiably worried about 6. Bxf7+ Kxf7 7. Nxe4 with some nebulous ideas of Ng5+ and Nf4 targeting e6.  After the game, my opponent gave his intention as 6. Nxe4 but then 6…d5 7. Bd3 dxe4 8. Bxe4 and black is completely fine with white’s odd knight placement on e2.   After the text move, the game becomes very sharp.

6.f3 c6 7.a4 d5 8.Bb3 dxe4 9.fxe4 e5! The usual reaction in the center, reminiscent of the Fantasy Variation of the Caro-Kann (1. e4 c6 2. d4 d5 3. f3!? dxe4 4. fxe4 e5!?)  meets with a very nice response from white.  When I played 9…e5, I had no idea what white was up to and I thought he was just worse.  This isn’t the case.

10.Bg5!

Position after 9. Bg5! – I did not expect this move.

10…exd4 11.Qxd4 Necessary and interesting.

11…Qxd4 12.Nxd4 Nbd7 13.Rf1! The only move to keep pressure.

13…h6 14.Bh4

Now I had a bit of a think.  If I accept the pawn gambit I come under heavy pressure.  I opted for something else…

14…Ng4? This move, anticipating 15. O-O-O?? Ne3! winning, would be great if it were not for white’s next!

Position after 14…Ng4? – White has a shot.

15.Ne6! The opportunistic Almeida would not miss this.  As a testament to “how good” my opening was, I can play on with some pressure even after this brutal shot.

15…fxe6 16.Bxe6 Kh7 17.Bxg4 Rxf1 18.Kxf1 Nc5 19.Bf3 Be6 20.Bf2 b6 Black is doing the best he can, but his compensation is insufficient.

21.a5 Re8 22.axb6 axb6 23.Ra7? A huge misstep!  White had the simple 23. Rd1 with the idea of Rd6; white should convert that position to victory.  It is OK if he loses the a-pawn at some juncture if that means black’s dark-squared bishop leaves the board. After the text, white’s rook proves to be out of play as black generates unexpected counterplay against white’s king!

23…Kg8 24.Rc7 Bc4+ 25.Kg1 Ra8! Suddenly Bxc3 and Ra1+ are threatened!  White has to self-tangle.

26.Nd1 From this point on, the monroi.com gamescore makes no sense.  Here are the right moves.

26…Bb5! A nice defensive motif. White’s rook is in serious danger of being trapped with Bg7-e5!  He has to resort to extreme measures and black is now off the hook.

Position after 26…Bb5!  Black wriggles out.

27. Bg4 What else? 27…Be5 28. Rc8+ Rxc8 29. Bxc8 Be2! 30. Nc3 This position is drawn.  Black just has to be a little careful.  The two bishops never become a factor.

30…Bxc3 31. bxc3 Nxe4 32. Bxb6 Nxc3 33. Bd4 Ne4 34. Bd7 Bb5 Black’s bishop and knight coordinate well.  White’s king cannot approach to do damage.

35. Be6+ Kf8 36. Bg4 Kf7 37. h4 h5 38. Bf3 Nd2! 39. Kf3 White offers a draw in light of 39…Nxf3.  For some reason on the  Monroi.com site, the game continues to move 60 and rooks reappear on the board rather magically. Even worse for me, white is recorded as winning..  In fact, the game ended here peacefully.

1/2-1/2

Round 3 Sickness

Just for the sick blunderfest fans among us (I know you’re one), here is Ehlvest-Liu from the 3rd round.

GM Jaan Ehlvest – NM Elliot Liu  King’s Indian Defense, Round 3.

1.d4 Nf6 2.Nf3 g6 3.Bg5 Bg7 4.e3 O-O 5.Be2 d6 6.c4 c5 7.Nc3 Soviet-style safety (SSS).   The chances are very high an American junior won’t know what to do.

7…h6 8.Bh4 g5 Here, the non-obvious 8…Qb6!? 9. Qd2 g5 10. Bg3 Bf5 is interesting on the grounds white would rather have his queen on c2, not d2.

9.Bg3 Nh5  The unusual 9…Qb6!? is interesting here too. 10. Qc2 Nc6 11. O-O-O Bd7 12. a3 Rfc8 with counterplay.

10.d5 f5 And here 10…Qa5 11. Nd2 Nxg3 12. hxg3 Bf5! offers an interesting game; black does not mind white weakening the dark squares considering his unopposed king bishop in the event of e3-e4.

11.Nd2 Nxg3 12.hxg3 Nd7 Offbeat but not ridiculous is 12…Na6!? 13. a3 Bd7!? 

13.Qc2 Nf6 14.f4 e6 15.fxg5 hxg5 16.dxe6 Bxe6 17.O-O-O Now, as if by magic, white has a strong initiative.  We have to credit white’s unusual system because the non-obvious variations above are all difficult to spot. After making some hackneyed KID moves (hunting down white’s QB and playing f5 to expose his own king) Black is in a very difficult situation.  GM Lein used to torture US Juniors in this line.  It must be a Soviet specialty. I did something like this as black against Lein Lone Pine ’80 (play rote moves and get a bad game) and also in my game I missed a win later when white overpressed.  Weird!

17…a6 18.g4! Qd7?! Since 18…fxg4 19. Bd3 is so bad for black, it’s hard to call it an improvement.  Nevertheless, the text puts the BQ on a very unfortunate square.

19.Rdf1 Now white is well on the road to victory with a huge edge.  I left the playing hall at this point having observed this dismal tableau for black.  But look what happens!  In fact, this phase might be characterized as a “hustle”  – Jaan starts missing win after win in the moves that follow; perhaps in the ‘anything wins’ mode?

19…fxg4 20.Bd3 The simple 20. Nd5! gets rid of black’s light square bishop and then the black king is fairly well toasted.  For example, 20…Bxd5 21. cxd5 b5 22. Bd3 is horrific for black.  For those who like tactics, here is a pleasing one:  21. cxd5 c4 22. Nxc4! Rac8 23. Kb1 b5 24. Bd3!! Rf7 25. Bh7+ Kf8 26. Nb6! splat!  The text move also gives white a big edge.

Position after 20. Bd3 — Something has gone very wrong from black’s point of view.

One of the things that makes Grandmasters strong is their vast experience with all kinds of opening systems.  Take for example the one Ehlvest played in this game (an old favorite of safety-first ex-World Champ Vassily Smyslov).  Liu played what so far seem to be quasi-normal moves and the diagram above looks like a simul crush.  I won’t embarrass either participant further with more diagrams, since the game degenerates now into an insane blunderfest.

20…Kf7 21. Run away!  But this shouldn’t have helped.

21.Nde4?! Ehlvest’s first (of many) failures to end the game in his favor quickly. 21. Bf5! is completely crushing.  Here’s a disgusting variation: 21. Bf5! Ke7 22. Bxe6 Qxe6 23. Qg6 Rf7 24. Rh7!  and black must resign in view of 24…Nxh7 25. Nd5+.  For sadists, examine the punching bag nature of 21. Bf5! Bxf5 22. Rxf5 Ke7 (what else?) 23. Rhf1 Qe6 24. Qd3 with total paralysis. 24…Rae8 25. Rxg5 Bh8 26. Rg6 Kd7 27. Nd5 Rf7 28. Rf4! Ref8 29. Re4! Nxe4 30. Nb6+!  (That devilish knight!) 30…Ke7 31. Rxe6+ and wins.

21…Ke7 22.Nxg5 Kd8 Necessary.

23.Bf5! Better late than never.

23…Bxf5 24.Rxf5 Kc7 25.Rd1? Extremely careless. 25. Rhf1 is overski:  25…Qe8 26. Qd3 Kc6 27. Nd5 and wins.  Black is paralyzed.

25…b6 26.Kb1 Rae8 White has bungled and almost his entire edge is gone.

27.e4 Qc6? Quite weak.  27…Kb8 is correct.

28.Rdf1?! Not the right timing.  28. Qf2! is right with a big edge after 28…Kb7 29. Qf4 or 28…Kb8 29. Qf4.

28…Kb7 29.a4?! 29. Nd5! is correct.

29…Nd7 30.Nd5 Rxf5? 30…Bd4 is much tougher.  The text allows a nice white win.

31.exf5 Nf6 32.Ne6?? White finishes it with 32. Nxf6 Bxf6 33. Nh7! – an elegant conclusion.  Black can limp on with 33…d5 (forced, any bishop move is crushed by f5-f6) 34. cxd5 Qd6 35. Nxf6 Qxf6 36. Qd3 and white should convert easily.  Was Ehlvest simply underestimating his young opponent after encountering very little resistance in the opening?

Bh8 33.Qd1? White is still winning after 33. Nec7 Rc8 (33…Re5 34. Nxf6 Bxf6 35. Nd5! also loses) 34. Rh1 Qd7 35. Nxf6 Bxf6 36. Nd5 Be5 37. e6! and wins.

33… b5 34.axb5? 34. Qb3! keeps a serious edge.

34…axb5 35.Qb3 35. Ndc7! is also strong here.  The weird thing is white is still better after the prior missed opportunities, but watch!

35…b4 36.Rh1?? A real lu-lu.  36.  Qd3! Nxd5 37. cxd5 Qa4 38. f6 b3 39. Qh7+!  Kb6 40. Qc7+ Ka6 41. Qxd6+ wins for white.  36…Kc8 is relatively best but white is still well on top. Clearly Ehlvest visualized something like this in his mind but his timing in the game is all vershimmelt.  36. Qd3 Kb8 is relatively best for black, but once again after 37. Ndc7! white is much better.

36..Nxd5 37.cxd5 Qd7 For the first time, black is back in it.  And here, 37…Qa6! was quite good with the idea of Ra8 and black is on the offense.

38.Qc4 Rc8? Time trouble?   38…Ra8! 39. Qxg4 Qb5!! 40. Qe4 Kb6!! and black has a huge attack!  But wait:  38….Ra8! 39. Rh7!! Qxh7 40. Qb5+ and a sudden perpetual check draw!   It would, of course, be difficult for white to reconcile himself to a draw after black’s opening butcheries.

39.Rh6 Ra8?! 39…Qa4! and white has to press the panic button with 40. Rh1 Ra8 41. Nxc5+! with a perpetual check, or 40…Kb6! (again this nice move) with a continued attack and no immediate draw.

40.Qe4?? White must have been in time trouble too.  40. f6!  is met by the nice bail-out sacrifice 40…Bxf6! 41. Rxf6 Qh7+ 42. Kc1 Qh1+ 43. Kc2 Qh1+ 44. Kb3 Qh3+ and this is a very pleasing perpetual check draw.

40…Qa4?? I am convinced, both sides were in serious time trouble.  Here, black had 40…Ra1+ 41. Kxa1 Qa4+ 42. Kb1 Qd1+ 43. Ka2 b3+ mating, or 41. Kc2 Qa4+ 42. Kd2 Bc3+! and now we’re in junior tactic land and black wins white’s queen for starters.

41.Nxc5+ Some good fortune for Ehlvest.  41…dxc5 42. Qe7+ is curtains. Lucky!  1-0

The moral of the story is, it’s not good to miss win after win.  One of them must be played!

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The Classic 2000s: Battling the Hedgehog

September 15, 2007

The Hedgehog is a prickly animal. Let’s see a couple of aggressive anti-Hedgehog systems which I’ve tried vs NMs, IMs, and GMs alike.

IM Mark Ginsburg vs NM Teddy Coleman

2006 World Open, Philadelphia, PA

1. c4 c5 2. Nf3 Nf6 3. Nc3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. Re1 d6 This is the mainline Hedgehog where White has fianchettoed his king bishop. See the next game for a different idea, the placement of the Bishop on d3 (only possible in certain move orders). 7…d5 is a solid move here and worthy of serious attention. It is good to learn those positions as a nice change of pace because black gets a much bigger piece of the center than usual.

Coleman1


8. e4 a6 9. d4 cxd4 10. Nxd4 Qc7 11. Be3 O-O 12. Rc1 Nbd7 13. f4
The only way to try to punish black is by grabbing this space. Needless to say, white should not spend time guarding the c-pawn which is immune for the moment.

Coleman2

13… Rfd8?! Unnatural. 13…Rfe8!? is a better rook move; white should then react similarly with 14. g4. However, the strongest according to current thinking is 13…h5!? It’s very strange to move a pawn in front of one’s king, but black argues that it’s more important to hold up the g4 advance. After 13…h5!? 14. h3 Rfe8 15.f5 Bd8!? black holds on. White can play more sharply with 13…h5!? 14. f5!? but black again retains decent chances with 14…Ng4! – as of this writing, 13…h5!? has not been refuted.

14. g4!? Black’s minor pieces are in a tangle and white wants to push them around. Strangely, the move 14. f5! may be stronger here. White gets a clear plus after 14…e5 15. Nd5.

14…Nc5 15. Bf2 d5? This move, always a possibility in Hedgehogs, doesn’t work here for tactical reasons. 15…Nfd7 was necessary; 16. b4 Nf8!? awaiting events.

16. exd5 Qxf4 17. Bg3? 17. b4 is a clean win. 17…Qxg4 18. bxc5 Bxc5 19. Na4! finishes it.

17…Qxg4 18. b4


Coleman3

18… Qxd1? The last chance was 18…Qg6 19. bxc5 Bxc5 but after 20. Na4!, white should win.

19. Rcxd1 Ncd7 20. d6! Very obvious but an important tactical motif to remember.

20…Bxd6 21. Bxb7 Bxb4 22. Nc6 Bxc3 23. Re3 Ba5 24. Nxd8?! 24. Red3! is the correct move, winning quickly.

24…Rxd8 25. Red3 b5 26. cxb5! There was a chance to go wrong here: 26. c5?? Nd5! and black escapes.

26…axb5 27. Bc6 A fatal pin. Black wriggles a little more but it’s over.


Coleman4

27… Bb6+ 28. Bf2 Bxf2+ 29. Kxf2 Ng4+ 30. Kg3 Nge5 31. Rxd7 Nxd7 32. Bxb5

1-0

Here’s a similar story with a similar happy ending from Switzerland (Lenk) 2000.

 

IM Ginsburg – NM F. Epiney Lenk 2000

1. c4 Nf6 2. Nc3 c5 3. Nf3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O a6 7. Re1 d6 8. e4 Be7 9. d4 cxd4 10. Nxd4 Qc7 11. Be3 Nbd7 12. Rc1 O-O 13. f4 Rac8 Diverging from the Coleman game above.

14. g4  The immediate 14. f5 e5 15. Nd5 Qd8 is not particularly effective.  White has to try the text to get somewhere.

14…Rfd8?  This is weak.  But 14…Nc5 does not help matters after 15. Bf2. For example, 14..Nc5 15. Bf2 h5 16. gxh5 Kh7 17. b4 Ncd7 18. e5 dxe5 19. fxe5 Ng8 20. h6 Nxh6 21. Ndb5 axb5 22. Nxb5 Qb8 23. Qxd7 Bxg2 24. Qxe7 Bc6 25. Nd6 Nf5 26. Nxf5 exf5 27. Qh4+ Kg8 28. Rc3 and wins.  Another logical try, 14…g6, is met by 15. g5 Nh5 (15…Ne8 is passive, for example 16. Bh3 Ng7 17. f5! with a large edge) 16. f5 Ne5 17. b3 Qd7 18. Bh3! and white has a big plus.

15. g5! Ne8 16. f5!  Of course. Once black gives up the key light squares, it’s all over.

16…exf5 17. Nd5 Bxd5 18. cxd5 Qb7 19. Nc6  Ne5 20. exf5 Rd7 21. Bf4 f6 22. Bxe5 fxe5 23. f6!  Total paralysis.

23…gxf6 24. Qg4 f5 25. Qxf5 Ng7 26. Nxe7+ Rxe7 27. Rxc8+ 1-0

A very smooth and effortless victory.

Things are not always so easy. IM Roussel-Roozman tried the same approach vs IM (GM-elect) Jesse Kraai and lost. (in the …h5 line).

 

Here’s a wild affair where I battled veteran GM Leonid Yudasin in a related line.

However, in this line I put my KB on d3 and I don’t fianchetto it – an extra opportunity white gets in the move order Yudasin adopted.

 

IM Mark Ginsburg – GM Leonid Yudasin World Open 2003

1. c4 c5 2. Nf3 Nf6 3. Nc3 b6 4. e4! d6 5. d4 cxd4 6. Nxd4 Bb7 7. Bd3! This is the more aggressive formation white can get, exploiting black’s slow first moves.

7…Nbd7 8. O-O e6 9. Qe2 Be7 10. b3 O-O 11. Bb2 a6

11..Ne5!? 12. Bc2 Ng6!? is an interesting possibility to ‘change the usual course of events’.

12. f4 Re8 13. Rad1 Qc7 14. Kh1 Bf8 15. Nf3! White is getting his pieces to very dangerous squares; every piece is working which is nice when one has attacking ambitions.

15…g6 This position has been seen before. I didn’t know that; if I did, I might have known the right move!

This is the key moment.

yuda1.png

16. Bb1? No!!! The right move is 16. e5! Nh5 17. Be4! ignoring the knight attack on f4. White is better in all lines. This was proven in Ambroz-Summermatter, Bad Ragaz 1997. Black played 17…d5 18. exd5 Nxf4 19. Qd2 and white was better and went on to win. Note that 16. e5 dxe5? 17. fxe5 Nh5 18. Be4! is even worse; and after 17. Be4! Nxf4?? is a gross blunder due to 18. exd6! winning in all lines (18…Bxd6?? 19. Qd2 wins right away). It is very important to remember this positionally very strong maneuver (e5 clearance then Be4).

16…Rad8! Black consolidates, defusing e4-e5. White lost his chance.

17. Ng5 Bg7 18. e5 dxe5 19. fxe5 Nxe5 20. Rxd8 20. Nb5!? right away is interesting.

20…Rxd8 21. Nb5 axb5 22. Bxe5 Qe7 23. cxb5 h6 24. Nf3 Qc5 Black is fine now, and white has less time. Not a pleasant situation.

25. Qc4? Not good. However, there were no easy ways to play.

25…Qxc4 26. bxc4 Rc8 27. Bd3 Nd7 28. Bd6 Nc5 29. Bxc5 Rxc5 30. Nd2 Rc8 31. Nb3 Rd8 32. Rd1 Bf8 Black has a really nice and solid ending advantage now. White does not offer very serious resistance.

33. Be2 Ra8 34. Rd2 Bb4! 35. Rb2 Be4! Accurate.

36. Bf3 Rd8 37. Kg1 Bd3 38. c5 bxc5 39. b6 Bc3 40. Rf2 c4! White has no hope left.

41. Nc5 Bd4 42. Nxd3 Bxb6 43. Kf1 Bxf2 44. Nxf2 c3 45. Be4 Rd2 46. Ke1 f5 47. Bd3 Rxa2 48. Bc4 Rxf2 0-1

A good technical ending by Yudasin but disappointing for me because I bungled a promising attacking position.

Let’s see a third game, from a Swiss in Switzerland (!), where this setup did better.

Mark Ginsburg vs Thomas Saladin
Lenk Open 2000, Lenk Switzerland

Lenk is a very pretty postcard-type town high in the Swiss Alps. The 2000 event saw Tukmakov, Gheorghiu, Grozpeter, and a host of other strong players competing for not so much cash, but it definitely was a good time. I was working in Basel at the time.

1. c4 c5 2. Nf3 Nf6 3. Nc3 b6 4. e4 d6 5. d4 cxd4 6. Nxd4 Bb7 7. Bd3! I get my preferred set-up.

7…e6 8. O-O


Saladin1

8… Nc6?! 8…Nbd7, as in the Yudasin game, is to be preferred. White now gains time to further his plans.

9. Nxc6! Bxc6 10. b3 a6 11. Bb2 Be7 12. Qe2 Bb7 13. f4! O-O


Saladin2

14. Rf3 g6 15. Rh3 Nd7 16. a4! White keeps black bottled up.

16…Bf6 17. Rd1 Rc8 By simple means, white has acquired a large advantage – space and initiative.


Saladin3

18. Bc2 Qc7 19. Rhd3 Black cannot meet well this regrouping.

19…Be7 20. e5! d5 Desperation already; this move is refuted.

21. cxd5 exd5 22. Rxd5 Bxd5 23. Nxd5 Bc5+ 24. Kh1 Qc6 25. Be4 Qe6 26. b4 Bxb4 27. Nxb4 Qc4 28. Bd3 Qxb4 29. e6! A nice breakthrough.

29…Nc5 30. e7! Excelsior!

30…Rfe8 31. Qe5 f6


Saladin4

32. Qxf6! This quickly forces mate.

32…Rxe7 33. Qh8+ Kf7 34. Qg7+ Ke8 35. Bxg6+ 1-0

Isn’t it funny how a good setup versus a GM sometimes doesn’t do as well as the same setup versus a lesser light? Well, sometimes it works. Here’s a quick win over D. Gurevich in the Milwaukee, WI G/30 champs, 2002.

IM Ginsburg – GM D. Gurevich G/30 Milwaukee WI 12/02

1. c4 c5 2. Nf3 b6 3. Nc3 Bb7 4. e4 d6 5. d4 cxd4 6. Nxd4 Nf6
7. Bd3! e6 8. O-O Nbd7 9. Qe2 a6 10. b3 Be7 11. Bb2 O-O
12. Rad1 Re8 13. f4 Bf8?
Careless. In this G/30 encounter, black simply forgets his N is embarrassed after white’s next.

14. e5 dxe5 15. fxe5 Bc5 16. Na4! The motif we know from the Coleman game, above. Black’s game is hopeless.

16…Nxe5 17. Qxe5 Bd6 18. Qe2 Qc7 19. Rxf6! In G/30, it’s better to force matters and keep the initiative to make sure no surprises happen.

19…Bxh2+ 20. Kh1 Qg3 21. Rxf7! It’s always pleasant to continue to take things with an en prise piece.

21…Kxf7 22. Qh5+ Ke7 23. Qxh2 Qxh2+ 24. Kxh2 1-0

 

Summary: if white plays aggressively versus the Hedgehog, there are good chances to cause concrete defensive problems early on – a good thing!

Attacking the Hedgehog

June 11, 2007

Playing against the Hedgehog requires forthright planning – grabbing space and then doing something with it.

Let’s take a look.

National Open, Las Vegas, 2007. Round 1.

M. Ginsburg – S. Chiang

1. Nf3 c5 2. c4 Nf6 3. Nc3 d6?! This passive and unnatural move leads to an overly passive Hedgehog formation. 3…e6 is the usual way to reach a Hedgehog which we will deal with in a separate installment. Black also has 3…Nc6 and 3…d5 leading to entirely different types of positions.

4. d4 cxd4 5. Nxd4 e6 6. e4 Be7 7. Be2 O-O 8. O-O By roundabout means, white has reached a favorable Maroczy Bind structure that would normally arise from 1. e4. 8…a6 9. Be3!

In this particular position, the white queen bishop is better on e3 than b2. The b-pawn can go to b4 in one move.

9….Qc7 10. f4 Nbd7 11. Rc1 b6

Now it’s important to find a direct plan that challenges black’s slow setup.

12. b4! Bb7 I learned this simple and strong method (f2-f4 and b2-b4 together) from GM Jaan Ehlvest, who used it with great strength vs me in a 2005 World Open G/30 encounter, where I was lucky to draw. Can you guess white’s next move?

13. f5!

This is the key move. By forcing the e-pawn to give way, white gains d5 for his knight and gains an overwhelming superiority.

13…exf5 14. Nd5! Everything with gain of time! 14… Nxd5 15. cxd5 Qd8 16. Nxf5 Re8 17. Bd4! f6?! (17…Ne5 was tougher but white still retains a big plus.)

And now we reach another important moment. White has an obvious edge with much better piece placement. In addition, he has already clearly forced some weaknesses but must keep momentum. Can you see the way to go forward? The right move leads to a quick win!

18. Bh5!

A very surprising motif that I remember the great Estonian GM Paul Keres used in Sicilians. The move really has the point of opening the march of the white queen from d1 to g4. Black must now succumb to further weaknesses and this spells disaster.

18….Rf8 (18…g6 19. Qg4 is clearly hopeless as the decisive sacrifice on g6 is unstoppable or a simple win via 19…g6 20. Nxe7+ and f6 falls.) 19. Qg4! Black could resign already but allows a nice finish.

19….g5

Can you see the finish?

20. Qxg5+! Of course white could have won with 20. Nh6+ Kg7 (or Kh8) 21. Qxg5 exploiting the pin on the f6-pawn, but the text is more pleasing and mates faster.

20…fxg5 21. Nh6 mate.

This is not a pure mate, where every flight square is covered once and only once. Nonetheless, it’s nice.