MICHIGAN CHESS ASSOCIATION

Michigan
August
1999
Chess
Online
Analysis by
Vasik Rajlich
    Here are my games from the Continental Open.

L. Stevens - V. Rajlich
[B07/08] Pirc
Continental Open, 22 July 1999, (1)
1.e4 c5 2.c3 d6 3.d4 Nf6 4.Bd3 Nc6 5.Ne2  
    This game was just horrible.  First of all, I am not sure about the opening, 5.Ne2 is supposed to be harmless but I don't see clear equality for Black if White plays 9.Nc3.  I like White in that position.
6...g6 6.h3 Bg7 7.Be3 cxd4 8.cxd4 0-0 
    I correctly dismissed 8...Qb6 due to 9.Nc3 Qxb2 10.a3.
9.0-0 
    I wasn't sure at first what to think of 9.0-0, but now I'm convinced it's a mistake.  Black should have at least a small advantage in the case of something simple like 11...b6.
9...Nb4 10.Nbc3 Nxd3 11.Qxd3 Qb6 
    11...Qb6 was very bad.  I was very impressed with his 12.Qd2 at the board, since it defends b2 while threatening e4-e5. While playing 11...Qb6 I had overlooked this possibility.
12.Qd2 
    However, 12.Qd2 is itself a mistake.  Black can just play 12...Rd8 and White is doing nothing to take advantage of the placement of Black's queen.  Instead, 12.Nf4 would have been very, very strong, since 12...Qxb2 would lose to 13.Ncd5.  Sometimes when I look at stuff like this with the computer it seems like it really spoils all the fun. What human will find 12.Nf4?  Well, for one thing, it sure is easier to find after 11...Qb6 is played than it is to find while thinking about 11...Qb6 as a candidate move.  Really, the main thing to take from this is that when you play an anti-positional move like 11...Qb6 based on a tactical justification you should realize that there might be unpleasant surprises.  This happened to me several times in this tournament, the best (or worst) other example was 20...Qb6 in my round 6 game.
12...Qa6 
    12...Qa6 was another mistake.  12...Rd8 was the economical way to deal with White's threat of e4-e5 - White can find no way to take advantage of the fact that Black's queen is hanging after 13.e5 dxe5 14.dxe5.  13.Rfe1 was just a waste of time.  I also calculated two sharper variations: 13.e5 dxe5 14.dxe5 Nd7 15.Nd5 Bxe5 16.Nxe7+ Kh8 when Black is fine, and this calculation was correct; and 13.Bh6 Nxe4 14.Nxe4 Nxh6 15.Qxh6 Qxe2 16.Ng5 Qh5 when Black is again fine, but here White can improve with 16.Rfe1 Qh5 17.Qxh5 gxh5 18.Rac1 when he clearly has more than enough compensation for the pawn.  So, 13...Nxe4 would be incorrect, but 13.Bh6 is no huge deal anyway.
13.Rfe1 Be6  
13...Be6 was also wrong.  I thought that it was forced to deal with White's threat of e4-e5 (after 13.Rfe1 White's king's knight is defended so something like 13...b6 would lose to 14.e5 dxe5 15.dxe5 Nd7 16.Nd5 Bxe5 17.Nxe7+ Kh8 18.Nxc8 Raxc8 19.Qxd7), but in fact Black has two other (and better) ways to do this:  13...b5, with the idea of 14.a3 Bb7; and (again) 13...Rd8.
14.Bh6 Rac8 15.Bxg7 Kxg7 16.d5 
    White probably should have taken advantage of 13...Be6 with either 14.Nf4 or 16.Nf4, though perhaps Black is equal or close to it in these two cases.  16.d5 was anti-positional, after that I think the advantage passes to Black.
16...Bd7 17.a4 Rc4 18.b3 Rb4 
    17...Rc4 and 18...Rb4 I am not sure about. When playing 17...Rc4 I missed that 18.b3 was possible due to 18...Rb4 19.Nd4.  Perhaps Black should just play 17...Rc4 18.b3 Rc7.  There were no wins for White after 18...Rb4, this made it through the Fritz inspection intact, but there was one near-win which I missed: 20.Na2 Rxa4 21.Qb2 with the idea of 21...Ra3 22.Nc2, fortunately Black has 21...Qb6.  This was Ben's idea.  By the way, this is a resource which the computer will not show you, since it just calculates that 20.Na2 loses and so it just doesn't even make it on the list of top moves.  Either way, giving White these sorts of tactical ideas may have been an unjustified risk, since Black doesn't really accomplish anything major by having his rook on b4: it has its good points there and its bad points.
19.Nd4 Qa5 20.Rad1 Rb6 21.Ncb5 Qxd2  
    I think the ending after 21...Rxd2 is a little better for black.
22.Rxd2 a6 23.Nc3 a5 24.f3 Rc8 25.Ncb5 Be8 26.Na3 Rc5 27.Rc2 Rb4 28.Rd1 Nd7 29.Kf2 h5 30.h4 
    30.h4 was a further error, Black has an awkward time finding a good spot for his knight in the case of just 30.Ke3.
30...Ne5 31.Ke3 Bd7 32.Rdc1 b6 
    32...b6 was fine but inaccurate, the immediate 32...f5 was much stronger.  When playing 32...b6 I calculated for quite a while to make sure that White can't clear both his rooks from the c-file and play Nc2, for example 33.Rd1 f5 34.Ra2, but Black is more than fine after 34...Rc3+.  Even in the final position, with all of White's mistakes, he would still be very much in the game in the case of something simple like 34.Rd1 or 34.g3.
33.Ra1 f5 34.Rac1 f4+ 0-1.

V. Rajlich - W. Browne
[B96/02] Sicilian: Najdorf
Continental Open, 23 July 1999, (2)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Nc6 8.Nxc6 bxc6 9.e5 h6 10.Bh4 g5 11.fxg5 Nd5 12.Ne4 Qb6 13.c4 dxe5 14.a3 Ne3  
    My conclusion is that after 14...Ne3 Black is just lost.  The computer was not able to find any defensive resources after that.  I was really suprised to see him go into this, the win isn't trivial since there are all sorts of distracting variations which don't work such as 17.Rd1 Qd4, and 19.Kd2 Rb8 20.Nxc8 Nf5, I spent a lot of time on both of these positions looking for a decisive continuation, plus it is may not be immediately clear that after 22.Kc3 White is just winning, it wasn't to me, but still Black is just really asking for it.
15.Nf6+ Ke7 16.g6 Nxd1 17.Nd5+ Ke8 18.Nxb6 Ne3 19.Nxa8 Nc2+ 20.Kd2 Nxa1 21.Bd3 Nb3+ 22.Kc3 Nc5 23.gxf7+ Kxf7 24.Rf1+ Kg8 25.Bg6 Na4+ 26.Kb3 Nc5+ 27.Kc2 a5 28.Nb6 Ba6 29.b4 Nb7 30.Nd7 Bd6 31.Rf7 1-0.

    Quite a contrast to the previous game.  Not all six times are equal. (Ask Ben what that means.)
V. Rajlich - B. Finegold
[C90/09] Spanish: Closed (Pilnik)
Continental Open, 23 July 1999, (3)
1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.d3 Be7 5.0-0 0-0 6.Re1 d6 7.c3 Na5 8.Bb5 a6 9.Ba4 b5 10.Bc2 c5 11.Nbd2 Re8 12.Nf1 Bf8 13.Bd2 Bb7 14.Ng3 g6 15.b4 Nc6 16.Bb3 Bg7 17.h4 
    17.h4 was the first mistake.  The maneuver ...Bb7-c8-g4 then becomes a real pain for White to deal with - and it even stops h4-h5.  I think that the immediate 17...Bc8 is more accurate than 17...cxb4 18.cxb4 Bc8 (with the idea of trying to land a knight on d4 after ...Bg4) due to 19.Rc1 since Black doesn't have 19...Rc8 yet.  White is fortunate to have this, else 17.h4 would have been even worse than it was, this ...Bc8 & ...cxb4 idea didn't even occur to me until after Ben played 17...Bc8.
17...Bc8 18.a3 
    I was tempted to play 18.Ng5 Rf8 (or 18...Ra7/Re7) 19.h5, unfortunately it looks unjustified due to 19...Bg4.  I was looking for tactics here involving taking on f7 or playing f3 and trapping the bishop but I didn't see anything and neither does Fritz.
18...Bg4 19.Qe2 Qd7 20.Qe3 
    I think my maneuver 19.Qe2 and 20.Qe3, as awkward as it looks, is best.  Black is a little better, but he would be more better in the case of something like 19.Qc2 Bxf3 etc.
20...cxb4 21.axb4 d5 22.h5 
    My second mistake - or at least my second significant mistake - was 22.h5.  It's a strange position and the pawn sac looked very thematic since to win the pawn (apart from ...gxh5) Black has to play ...d5-d4, activating once again White's light-squared bishop.  White's play looked pretty economical here, plus he gets the two bishops, plus otherwise his h4 pawn is stupid; but the fact is that White has basically nothing for the pawn, and on top of that Black is intending ...d4 in just about all lines anyway!  For example, it looks like 22...d4 is the best move even in response to 22.Ba2 (with the idea of staying out of the range of ...Nd4).  My conclusion right now is that White's best continuation was 22.exd5 Nxd5 23.Qe4 Nf6 24.Qe3.  Black can of course either take the draw by repetition with 24...Nd5, or he can set out to demonstrate that he stands better.  I think he does stand better, but only a little bit - white is finally out of the Bg4 pin.
22...d4 23.Qg5  
    23.Qg5 and 23.cxd4 seem to have roughly equal merit.  23.Qg5 forces Black to win his pawn, while after 23.cxd4 Black would have a choice.  I rejected 23.cxd4 due to 23...Bxf3, i.e. 24.hxg6 hxg6 25.dxe5 Nxe5 26.gxf3 Qxd3, but on closer look this ending doesn't look so bad for White.  However, Black has an improvement in this line: 25...Ng4 26.Qxf3 Ngxe5 and White is hosed.  So, White would have to play 25.Qxf3 or 25.gxf3, when he has managed to avoid losing material but stands worse.  Black's other possibility was the one Ben said he was planning to play, the simple 23...exd4 24.Qf4 Bxh5, when White would have little comp for his pawn.  This might be a little more playable for White than the game continuation, however.
23...Bxh5  
    23...Bxh5 was the obvious simple move, the one I expected, and I don't remember Ben thinking for that long over it.  We agreed that 23...Nxh5 would have been wrong due to 24.Nxh5 Bxh5 25.Nh2.  However, there are some super-precise tactics here: 25...dxc3 26.Bxc3 Qxd3 27.Re3 Qd6 28.g4 h6 and Black saves his bishop since the Re3 blocks his queen!  Better is just 24.Nh2, then Black's best is 24...dxc3 25.Bxc3 Nf6.  Now, White could play 26.Nxg4 Nxg4, when it is hard to appreciate how Black has improved over the 23...Bxh5 line, but he probably has since he threatens 27...Bf6 and 28...Bh4.  Perhaps White should just refrain from 26.Nxg4 and play something like 26.Bd5.  It is hard to compare this position to the one arising after 23...Bxh5, probably 23...Nxh5 was more precise.  From a practical standpoint, however, this whole 23...Nxh5 line is probably just stupid.  Black has a simple solution at his disposal which gives him a very large advantage.  I think this whole thing about getting to the truth of a position and all of that is just overrated and actually maybe it's just not even that highly rated by players who play to win and know how.  There are a few positions now and then when you have to calculate, for the others just decent stuff is enough.
24.Nxh5 Nxh5 25.Bd5  
    25.Bd5 was another error.  I don't have any really good alternatives to suggest, but 25.Bd5 is definitely bad.  After 28...Nf4 White needs a move, but he doesn't have one.  I looked at the three sharp tries 29.Bxc6, 29.Bxe5 and 29.Nxe5 and picked the one I liked best, 29.Bxe5.  It is in fact the best of the three, but it's still just losing.  29.Bxc6 was hopeless after 29...Qxc6 30.Bxe5 Nxd3 31.Bxg7 Nxe1 (I kept looking at this position looking for stuff to try, but there's nothing), and 29.Nxe5 was really hopeless after either 29...Nxe5 30.Qxf4 Nxd3 or 29...Bxe5 30.Bxe5 Nxd3 etc.  There was actually a fourth tactical try I missed, 29.d4, but Black just has 29...h6 30.Qh4 g5 defending the knight, probably among other things.
25...Bf6 26.Qh6 Bg7 27.Qg5 dxc3 28.Bxc3 Nf4 29.Bxe5  
    After 29.Bxe5, I wasn't sure how Black would win, if he wants to be up more than just a pawn it looked like White would have some chances, and Ben agreed, but the computer refutes it: 29...Nxe5 30.Qxf4 Nxd3 31.Qh4 Nxe1 32.Rxe1 (32.Ng5 Bxa1 is a little too much) 32...Rad8 (32...h6 would transpose to the game) and now the intended 33.Ng5 can be met with 33...Qxd5.  The rest of the game deserves little comment.  There was never a position where Black wasn't winning.
29...Nxe5 30.Qxf4 Nxd3 31.Qh4 h6 32.Bxa8 Nxe1 33.Rxe1 Rxa8 34.e5 Re8 35.Qf4 Qd5 36.Re4 Re6 37.Qe3 Qd1+ 38.Kh2 Qd5 39.Rd4 Qa8 40.Rd7 Qe8 41.Qd4 Bf8 42.Rd8 Qe7 43.Rd7 Qxb4  
    39...Bxe5+ was a faster win, while my 43.Rd7 did not put up the best resistance, I missed 43...Qxb4 somehow.
44.Qd5 Qc5 45.Qb7 Re7 46.Rxe7 Bxe7 47.Qxa6 b4 48.Qb7 Bf8 49.Qe4 Qxf2 50.Nd4 Bc5 51.Ne2 Qe3 52.Qd5 b3 53.Qd8+ Bf8 0-1.

W. Paschall - V. Rajlich
[E60/05] King's Indian
Continental Open, 24 July 1999, (4)
1.d4 Nf6 2.c4 g6 3.Nf3 Bg7 4.g3 0-0 5.Bg2 d6 6.b3 e5 7.dxe5 dxe5 8.Qxd8 Rxd8 9.Bb2 e4 10.Ng5 e3  
    10...e3 was a slight mistake.  The resulting complications seem to lead only to rough equality.  Instead, Black could have secured at least a slight advantage with 10...Bf5.  If he can use the tactics down the a1-h8 diagonal to win the battle for control over e4 and force White's g5 knight to h3 with ...h6, then he will stand in good shape since White's light-squared bishop will be locked out of the game, and this is in fact what will happen.  The natural 11.Nd2 runs into the immediate 11...h6 when the tactics force 12.Nh3, i.e. 12.Ngxe4 Nxe4 13.Bxg7 Rxd2, or 12.Ndxe4 Nxe4 13.Bxg7 hxg5.11.Nc3 manages to prevent 11...h6 for the time being due to some crazy tactics: 11...h6 12.g4 hxg5 (12...Bxg4 13.Ngxe4 Nxe4 14.Bxe4 would be fine for White) 13.gxf5 gxf5 14.h4 g4 15.h5 and the tactics down the h-file and a1-h8 diagonal seem to give White at least equality.  Note that after 11.Nd2 h6 12.g4 would lose to just 12...Bxg4 13.Ngxe4 Nxe4.  Unfortunately for White, while this tactic can delay ...h6, it cannot prevent it, as after 11.Nc3 Black just plays 11...Na6 when White has no good way to increase the pressure against e4 and delay ...h6 further. 
    In playing 10...e3 I missed a bunch of tactics.  First of all, I thought that 11.f4 was unplayable due to 11...Ng4 12.Bxg7 Nf2.  As it turns out, White has four adequate responses (13.0-0, 13.Nc3 with the idea of 13...Nxh1 14.Bf6 Rd6 15.Ne4, 13.Na3 with the same idea, and 13.Bd5 Kxg7 14.0-0).  I also thought that 11.fxe3 Ng4 12.Bxg7 Kxg7 13.0-0 f6, with the idea of 14...Nxe3 next, would be good for Black, missing 14.Bxb7!  This is a pretty tough position to analyze at the board, I can normally find stuff like this.  However, there is a difference between these two misanalyzed lines, and it's a difference which I think illustrates well one of the key principles of combining tactical analysis with positional judgment when making decisions.
    In the case of 11.f4, Black is to a considerable extent relying on the tactic 11...Ng4 12.Bxg7 Nf2, since without it he will be left trying to justify having a very weak e-pawn which White has a very natural plan for attacking.  This is what happened in the game, though at least fortunately it seems that Black has enough play to hold the balance.
    In the case of 11.fxe3, on the other hand, black is not relying on the tactic given above to the same extent.  11.fxe3 is weakening and antipositional, so even when an unexpected resource is found, Black has good chances of repairing the line, as in fact he can.  For example, 11.fxe3 could be met with 11...h6 12.0-0 Nbd7 13.Nf3 Ng4 14.Bxg7 Kxg7 and Black again stands better since 15.e4 loses an exchange to 15...Ne3.
    I don't know how it is when other people calculate, it's not easy to tell, everybody has his own way of doing it.  It's interesting to read the different accounts in the literature for how it should be done.  It shows how much variation there is.  For me, when I calculate, sometimes I do what I would call hard-core calculation, when I don't care about positional principles or anything like that, I'm just trying to sift through the moves like a computer.  For example, I might do this when trying to decide if a perp exists, or a mate of some sort.  Other times, I calculate, but it's a sort of soft calculation, when I am looking at moves but not really being superlogical and supersystematic about the whole thing.  This is fine when I'm trying to feel a position out without planning to rely on tactics or the lines I'm looking at, but it is not fine when I am looking at a line that I plan to rely upon.  Any move which carries a positional risk needs to have a calculation of the first variety supporting it.  I obviously didn't really look at the line 10...e3 11.f4 Ng4 12.Bxg7 Nf2 "hard" enough, since as soon as my opponent played 11.f4 I saw one of his resources (13.0-0).
11.f4 Nc6 12.Na3 Rd2  
    12...Rd2 was interesting.  I had thought after the game that maybe it was an error - that maybe I was trying too hard to justify having the pawn on e3 and trying too hard to get play, and that maybe the simple 12...Bf5 was better.  However, it seems to me now that the position is pretty balanced in either case.  12...Bf5 keeps the e3 pawn safe from Nc2 for the time being, and 13.0-0 is probably an error due to 13...Rd2 14.Bc1 Rxe2 15.Bf1 Nd4 with excellent compensation for the exchange.  I thought that I had to try 12...Rd2 to stop White from consolidating with 13.Nf3, but 12...Bf5 13.Nf3 also seems playable for Black.
13.Bc3 Ng4 14.Bxg7 Kxg7 15.Ne4 Rb2  
    15...Rb2 was risky but best. Black's activity is considerable.
16.h3 Nd4  
    16...Nd4 was an error which should have lost.  16...Nh6 was playable and in fact forced.  However, the activity of my pieces tempted me towards the piece sac 16...Nd4.  I spent a lot of time on the position arising after 17.hxg4 Rxe2+ 18.Kf1 Bxg4 and concluded that it was better for me, and I am very happy with my judgment in this case, since my conclusion now is that this position is in fact good for me.  In fact, at the board I considered the moves 19.Rd1, 19.Re1, 19.Rh4, 19.Nb5 and 19.Nc3, and after I was unable to flat-out refute the last two I decided to play the sacrifice based on intuition.  There was no immediate refutation, and it seemed right on a general basis.  This turned out to come in handy, as I missed White's best defensive resource (19.Rxh7+), yet this resource is not enough to equalize.  At any rate, I am happy that I judged this correctly, this is a lot better way to go than with tons of analysis, which will have mistakes.
    Unfortunately, I completely missed the winning countershot 17.0-0-0.
17.hxg4 Rxe2+ 18.Kf1 Bxg4 19.Rh4  
    19.Rh4 was in turn an error which should have lost.  My opponent was banking on 19...Rxg2 20.Rxg4 Rh2 21.Rh4 but Black has 21...e2+.  I misanalyzed 19.Nb5, I intended 19...Nc2 but then after 20.Rc1 White is on his way to consolidating.  Instead, Black should play 19...Nxb5 20.cxb5 Rd8 with a very strong attack.  The best defense seems to be 19.Rxh7+ Kxh7 20.Nf6+ Kg7 21.Nxg4 but Black still plays 21...Rd8 when White still doesn't have a good response to ...f5 and ...Rf2+.
19...Rxg2 20.Kxg2 Bf3+ 21.Kf1 Bxe4 22.Re1 Bd3+ 23.Kg2 Be4+ 24.Kf1 Rd8 25.Rxe3 Nf5 26.Ke2  
    I am pretty sure that Black should win the ending. 26.Ke2 was necessary, 26.Re1 runs into 26...Rd2.
26...Nxe3 27.Kxe3 f5 28.Nb5 Rd3+ 29.Ke2 c6 30.Nc7 h5  
    30...h5 was inaccurate, 30...Rxg3 was better.  I missed 31.g4, though Black is still much better. 
31.g4 hxg4 32.Ne6+ Kg8 33.Ng5 g3 34.Rh6 Kg7 35.Rh7+ Kg8 36.Rh6 Kg7 37.Rh7+ Kf8 
    37...Kf8 threw away the remainder of Black's advantage.  37...Kg8 38.Rh6 Rc3 39.Rxg6+ Kf8 should still be really good for Black.
38.Ne6+ Ke8 39.Nc7+ Kd8 40.Ne6+ Ke8 41.Nc7+ Kf8 42.Ne6+ ½-½. 
    In the final position I spent forever trying to see if I could still do something with 41...Kd8 42.Rh8+ Ke7 43.Nc5+ Kc7 44.Nxd3 Bxd3+ 45.Kf3, but it's hopeless.  If 45.Bb1 Black has just 46.a3 Ba2 47.c5, probably among other things.

V. Rajlich - V. Mezentsev
[B77/05] Sicilian: Yugoslav Dragon
Continental Open, 24 July 1999, (5)
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Bc4 0-0 8.Bb3 d6 9.f3 Bd7 10.Qd2 Nxd4 11.Bxd4 b5 12.h4 a5 13.a4 bxa4 14.Nxa4 Be6 15.Bxe6 fxe6 16.h5 
    This game was just disgusting. 16.h5 was premature. After 21...e5 and 22...Rh8 White just has nothing on the kingside.  I was really happy with my position until he played 21...e5, it seemed that the pawn was irrelevant while I was attacking and he was defending, but he's got a plan to hold everything together really well with a knight on f4 so it needs to be investigated whether he can attain the desired setup.  Furthermore, even without detailed analysis of this sort it should be clear that h4-h5 should follow the necessary preparatory moves such as 0-0-0 and Nc3, not precede it. 
    If 16.0-0-0 what does Black do?  16...e5 gives white play in the center and locks the bishop out, and 16...Rb8 at the very least gives white a ton of play with 17.h5, this is a huge improvement over the game.  After 16.0-0-0 Black has problems.
16...Nxh5 17.Bxg7 Kxg7 18.g4 Nf4 19.Qh2 h5 20.gxh5 Nxh5 21.0-0-0 e5 22.Rdg1 
    22.Rdg1 is just wrong, White needs to realize what's going on and go for 22.Qf2 Nf4 23.Nb6 and 24.Nd5.  This is probably a draw if White plays correctly. 
22...Rh8 23.Rg4 
    The same holds for 23.Rg4.  There was a tactical resource available, 23.Nc5, when 23...dxc5 24.Qxe5+ leads to a draw by perpetual while 23...Nf4 24.Qxf4+ etc. leads to a double-rook ending which White also has good chances to draw.
23...Rb8 24.Nc3 Qb6 25.b3 Ng3  
    After 25...Ng3 Black wins.  I missed it but there was nothing to be done about it anyway.  In the ending I'm sure White can't draw if Black plays it right, but I'm even more sure that White can put up better resistance, for example 36.Nd3 instead of 36.Na4 would be a good place to start.
26.Rxg6+ Kxg6 27.Qxg3+ Kf7 28.Rxh8 Rxh8 29.f4 Rh1+ 30.Kb2 Qg1 31.Qxg1 Rxg1 32.fxe5 dxe5 33.Na4 Rg6 34.c4 Ke8 35.Nc5 Rc6 36.Na4 Kd7 37.Kc3 Rh6 38.Kc2 Kc6 39.Kb2 Rh4 40.Nc3 Kc5 41.Na4+ Kb4 42.c5 Rh2+ 43.Kc1 Kxb3 0-1.

A. Olmos - V. Rajlich
[B93/03] Sicilian: Najdorf (Amsterdam)
Continental Open, 25 July 1999, (6)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.f4 Qc7 7.Nf3 Nbd7 8.a4 
    This was a very interesting game.  Normally Black plays an early ...b5 in this system, White responds with a2-a3, and Black then fianchettoes his light-squared bishop.  I remember wondering before what would happen if White just played a2-a4 right away.  Well, now I had to decide.  I could have just played ...b6 and fianchettoed my queen's bishop anyway, the tempi would work out the same, but I thought that in this case White would be a little better off (with a white pawn on a4 and black pawn on b6 vs. white pawn on a3 and black pawn on b5).  So, why not do something else with the light-squared bishop altogether?  For one thing, White normally plays f4-f5 (after Qe1-h4) in this system, so maybe Black can make use of his extra control over that square.  The main risk is that he has to play ...Nc5 and this might open the door for some tactics involving Bh6, Ng5 and Rxf6.
    I think that the decision I made was right.  The moves leading up to (and including) 14.f5 were very natural, and Black seems safe enough. In fact, I have found several of the lines I rejected at the board to be actually playable, and nothing vice versa.  Black's positions seems to just be solid enough.
8...g6 9.Bd3 Bg7 10.0-0 0-0 11.Qe1 Nc5 12.Qh4 e6  
    Instead of 12...e6, I considered 12...Nxd3 13.cxd3 Qc5+ 14.Kh1 Qh5, but White then seems better after 15.Qxh5 Nxh5 16.Nd5.So, 12...e6 13.Kh1 Qa5, with the same idea. 14.f5 is the logical attacking move, else 14.Nxd3 cxd3 15.Qh5 with a good edge for black. 14.e5 would be anti-thematic but I looked at it, it looks comfortable for black after 14...Ne8.
13.Kh1 Qa5 14.f5 exf5 15.Bh6  
    After 15.Bh6, I hardly considered anything besides 15...Bxh6, the line 15...fxe4 16.Ng5 exd3 looked insane, White has ideas of b2-b4 as well as Bxg7 and Rxf6.  There is nothing wrong with 15...Bxh6, Black is fine, but as it turns out 15...fxe4 is playable as well.  This shows just how solid Black's position really is.  Best play after 15...fxe4 seems to be 16.Ng5 exd3 17.b4 Qd8 18.Bxg7 Kxg7 19.Rxf6 h6 20.Rxf7+ (what a resource! and still Black is better in the end) 20...Rxf7 21.Qxh6+ Kxh6 22.Nxf7+ etc.
15...Bxh6 16.Qxh6 Ng4 17.Qh4 Qd8 18.Qg3 Ne3 19.Rf2 fxe4 20.Bxe4 Qb6  
    After 20.Bxe4, the critical position of the game arose.  So far I've played really well, I think that every move was correct despite the complicated position.  Now, however, I made a serious error.  First of all, Black had a shot which forces a trade of queens: 20...f5 21.Bd3 f4.  Had I seen this I would have played without hesitation.  However, I didn't see this, and my original idea had been to play the normal 20...Nxe4 21.Nxe4 Nf5.  Black is very solid here, though White also clearly has at least some comp for the pawn.  I'd prefer Black easily, though.
    However, there was an interesting tactical possibility: 20...Qb6.  Offhand this looks like the worst move ever (and in fact it's close), White has sac'd a pawn to attack Black, Black has been fighting for the dark squares around his king, and now he'll just let them be to go after a queenside pawn?  However, I thought that 20...Qb6 was a double threat: ...Qxb2 as well as ...Nxe4 and ...Nf5 followed by ...Qxf2.  I knew it was risky as hell, but it also seemed to just win.  I missed that after ...Nxe4 Nxe4 White's knight defends f2.  I am not sure what to think of my decision, the move is a blunder of course but this is the eternal question of relying on calculation vs. refusing to rely on it when mistakes are lethal and very possible.  In the past I've often just relied on calculation instinctively, here I was fully aware of what I was doing and the risk I was taking... and I did it.  I'm not sure what to conclude, you have to trust your calculation to a certain extent.
    Fortunately for Black, White seems to have nothing more crushing in response to 20...Qb6 than a better ending.
21.Re1 Nxe4 22.Nxe4 Nf5 23.Qg5 d5 24.Nf6+ Kg7 25.Nh5+ Kh8 26.Qf6+ Qxf6 27.Nxf6 d4  
    27...d4 may have been inaccurate, perhaps just the lame 27...Kg7 was best.  27...Be6 would have been wrong due to 28.Ng5.  After 27...d4 White probably should have first played 28.g4 Ne3 29.g5 when Black's best is probably 29...Nf5.  Then White could have continued with 30.Rd2.
28.Rd2 Rd8 29.Red1  
    This ending is quite good for him.  In the game, 29.Red1 was inaccurate, 29.Re4 was better, maintaing the advantage.  After 29.Red1, the advantage passes to Black. 
29...Kg7 30.Ne4 Ne3 31.Rxd4 Rxd4 32.Rxd4 Bf5 33.Nd6 Bxc2 34.Rb4 Rd8 35.Nxb7 Rd1+ 36.Ng1 Rd2 37.Nc5 Nxg2 38.Nxa6 Ne1 39.Nc5 Rd1 40.Ne4 Nd3  
    There were several blunders in time trouble, right before time control I missed the easy win 40...Nf3.  The position after time control is also winning for me, however, 42.Nf2 loses to 42...Ne2; 42.Nc3 Ne2 lets White keep playing with 43.Kg2 but Black has 42...Nd5.
41.Rb6 Nf4 42.Nc3 Nd5 0-1.

V. Rajlich - E. Tate
[B56/01] Sicilian: Open (Venice)
Continental Open, 25 July 1999, (7)
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e5 6.Bb5+ Nbd7 7.Nf5 a6 8.Bxd7+ Qxd7 9.Bg5  
    A very crazy game!  This line is supposed to be a little questionable for Black.  My big decision came on move 9, and I think I made the right choice.  The normal continuation would have been just 9.Ne3.  I rejected it due to 9...Qc6 when White's advantage seems very small, as Black will successfully challenge for control of d5.  Instead, 9.Bg5 is wild, but it seems to yield a bigger advantage than 9.Ne3.
9...Nxe4 10.Nxg7+ Bxg7 11.Nxe4 d5 12.Nf6+  
    12.Nf6+ was clearly correct.  12.Bh6/f6 0-0 13.Bxg7 would favor Black.  The other alternative was 12.Qh5, but this is bad due to 12...Qc6 and now both 13.Rd1 and 13.0-0-0 are met with 13...Bf5.
    Black could also consider 13...Rg8 14.Bxe5 Rxg2 15.Bg3.  Since his rook is on a light square, it will be difficult for White to really terrorize it, but on the other hand Black should feel uncomfortable.
12...Bxf6 13.Bxf6 0-0 14.Qh5 Qf5 15.Qxf5 Bxf5 16.0-0-0 Rac8 17.c3 Rfe8 18.Rxd5 Re6 19.Rd8+  
    I am not sure whether White can win the ending.  I committed several errors.  The first was 19.Rd8+, White's rook is better than Black's; 19.Bh4 was best, 19.Bh4 Be4 20.Rd2 Bxg2 21.Rg1 Rg6 22.f4 is nothing for White to fear. 
19...Rxd8 20.Bxd8 Be4 21.f3  
    The second was 21.f3, with it disappear White's winning chances, 21.Rg1 was correct.
21...Bd5 22.b3 e4  
    I completely underestimated 22...e4, which seems to give Black enough to draw with ease.
23.fxe4 Bxe4 24.Rg1 Bc6 25.Bg5 Rg6 26.h4 f6 27.Be3 Rxg2 28.Rxg2+ Bxg2 29.Kd2 Kf7 30.Bd4 Bd5 31.Ke3 Ke6 32.Kf4 f5 33.Kg5  
    33.Kg5 was another inaccuracy, as well as refusing to undo it with 34.Kf4 or 35.Kf4, White must be a little careful after that.
Be4 34.h5 Kd5 35.h6 Bb1 36.a4 Ke4 37.a5 f4 38.Kg4 Ba2 39.Kh3 Kf3 40.b4 Be6+ 41.Kh2 Ke2 42.Kg1 Bd5 43.Bc5 f3 ½-½.
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