Hiarcs forum v Rybka Forum Secret Thread.

[Wardy]

Here are Deep Shredders two lines after

29. Bxd3 Qxd4+ 30. Kh2 Bc6 *

29 816:30 -0.03 31.Qe2 Rb8 32.Kh3 Rb2 33.Qh5 d6 34.f5 e5 35.Qg6 d5 36.Rc1 Qxd3 37.Rxc6 Qf1+ 38.Kg4 Qd1+ 39.Kh3 Rh2+ 40.Kxh2 Qe2+ 41.Kh3 Qf1+ 42.Kh2 Qe2+ 43.Kh3 Qf1+ 44.Kh2 (74.384.985.639) 1518 SB:679.242.504
29 1346:51 -0.35 31.Kh3 Bxe4 32.Bxe4 Qxe4 33.Rxd7 Qh1+ 34.Kg4 Qc6 35.Rd2 Qc1 36.Qa5 Qh1 37.Rd8 f5+ 38.Kg5 Qf3 39.Rxf8+ Kh7 40.Rh8+ Kxh8 41.Kg6 Qxg3+ 42.Kf7 Kh7 43.Qe5 Qg6+ 44.Ke7 (139.020.554.905) 1720 SB:956.027.080
best move: Qh5-e2 time: 1436:08.375 min n/s: 1.707.368 CPU 196.4% n/s(1CPU): 869.331 nodes: 147.121.046.241 SB: 1.020.099.673

Quite happy with my previous work so my vote is 32.Kh3

[DarienSar]

Crafty liked Rd2 more here, I think, but it was not seeing Kf8 from black. I think that Kh3 is better.

32. Kh3

[Dylan Sharp]

Move considered obvious. Moving now.

[Eric Hallsworth]

Hi All

I'd really like to try 32.Bc4, expecting Qc5 and then 33.Bd3 looking to repeat moves. But I think that instead 33...Kf8 (or 33...Rb4 maybe) might be giving them a small edge.

So I agree with others, and vote for 32.Kh3

Cheers - Eric

[Shaun Brewer]

Move considered obvious. Moving now.

I did not have time to look in detail but

32. Rd2
32. Bc4
32. Bc2

seemed alternate possibilities?

Shaun

[Dylan Sharp]

Yes, but 6 votes were considered decisive.

[fallstalk]

[Event "120'/40+60'/20+30'"]
[Site "HIARCS"]
[Date "????.??.??"]
[Round "?"]
[White "New game"]
[Black "Hiarcs 12"]
[Result "1/2-1/2"]
[PlyCount "93"]
[TimeControl "40/7200:20/3600:1800"]

Hiarcs12.ctg, 32. Bc4 Qc5 33. Bd3 Qc3 34. Kh3 e5 35. Bc4+ Kf8 36. fxe5 Qxe5
37. Bd5 Bxd5 38. Rxd5 Qe6+ 39. Qg4 Rb1 40. Qxe6 dxe6 41. Ra5 Kf7 42. e5 f5 43.
Ra7+ Kg6 44. Ra6 Kf7 45. Ra7+ Kg6 46. Ra6 Kf7 47. Ra7+ 1/2-1/2

* woops... I am late again

[Shaun Brewer]

Yes, but 6 votes were considered decisive.

But moving within 8 hours gives no time for review or possible changed votes and will exclude some people completely.

I still believe to allow for time zones, work and sleep 24 hours should be a minimum?

Can we have a vote - I am more than happy to go with the majority view but would like to know what that would be.

Shaun

[DarienSar]

Yes, I think a 24 hour minimum is a good idea. If a move is truly obvious, then we discuss offering it as a conditional.

[Mars]

I think in this particular case the Bc4 line may transpose into the Kh3 lines - the latter giving white additional possibilities.

In general the 24h rule has also my support. In obvious cases (i.e. recapturing) our captain would certainly decide accordingly. I trust him blindly in this respect anyway...

Martin

[Dylan Sharp]

That would be in the case of a normal game, not the dead draw we have in where I think the best option is to try to end the game as soon as possible and start the next one. Of course that's only my opinion, but I think spending 24 hours on a move that is going to be played anyway isn't needed and only makes the game longer unnecessarily.

I know everyone wants to participate in the game, but voting is not all and you can "retro" vote (voting after we've moved.) A retro vote that would be different than what we played would make me change my mind on the issue, but really, after the opponent moved I got lots of votes for the same move and the trend was obvious (if not the move.)

[Harvey Williamson]

if we go for a Petroff we might have to analyse the recent Naiditsch - Kramnik game and come up with a novelty

GM Analysis from www.chesspublishing.com 1 other interesting game also below.

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. O-O Be7 8. Re1

Perhaps surprisingly a new move for this site in place of the immediate 8. c4 .

8... Bg4 9. c4 Nf6 10. Nc3!?

A critical pawn sacrifice. This has been presumed to be OK for Black ever since the early K-K matches, with a couple of positions further refined by Yusupov, but Naiditsch comes armed with a new idea.

10... Bxf3 11. Qxf3 Nxd4 12. Qd1 Ne6

In his forthcoming 'Kasparov vs Karpov: 1975-1985', Garry Kasparov notes that 12... c6 is also possible, and that after 13. Be3 Ne6 14. cxd5 Nxd5 15. Nxd5 Qxd5 16. Qc2 'White has obvious compensation for the pawn'.

13. cxd5

The alternative is 13. Bf5!? , but after 13... dxc4 14. Qa4+ c6 15. Bxe6 (15. Qxc4 Nd4 16. Rd1 Qa5! is a typical tactical unravelling) 15... fxe6 16. Qxc4 White has no more than a tiny edge, with Yusupov here having defended with 16... Nd5 and(Kramnik with 16... O-O 17. Qxe6+ Rf7 .)

13... Nxd5 14. Bb5+ c6 15. Nxd5 cxb5 16. Bf4

In the final round Ivanchuk preferred 16. Qh5 and after 16... O-O 17. Nxe7+ (White's best try 17. Be3 being well neutralised by 17... Bg5! 18. Rad1 Bxe3 19. Rxe3 Rc8 , as occurred in Gelfand-Yusupov, Horgen 1994) 17... Qxe7 18. Qxb5 Rfd8 19. Be3 a6 20. Qb3 Rac8 ( Karpov's suggestion of the immediate 20... b5!? looks quite reasonable too) 21. h3!? (Ivanchuk is in no hurry Kasparov-Karpov, 15th matchgame, Moscow World Championship 1985, instead concluded 21. Rac1 h6 22. h3 Nd4! and 1/2-1/2 in view of the forthcoming further exchanges) 21... h6 22. Rad1 (preventing ...Nd4-c2 ideas and now White's superior minor piece grants him a small plus, although Black remains extremely solidly placed) 22... Rxd1 (22... b5!? would have asked White how he intended to make progress, and it's hard to believe that Black wouldn't have held after 23. a4 bxa4! 24. Qxa4 Qb7) 23. Rxd1 b5 24. Rd3 Rc6 25. Qd5 Qe8 26. Rd2 Qc8 27. b3 he went on to win a long, tough struggle against the out-of-form Kramnik.

Before moving on, I should mention that Kasparov's actual choice was 16. Qb3 and after 16... O-O 17. Nxe7+ Qxe7 18. Qxb5 his game had transposed to our last note.

16... Nxf4

Black's usual choice. I'm suspicious of 16... Bd6?! on account of 17. Nf6+! Ke7 18. Qf3 Bxf4 19. Nd5+ Kf8 20. Nxf4 Nxf4 21. Qxf4 when White will be very quick to begin creating serious problems with his major pieces.

17. Rxe7+ Kf8 18. Re5

This was first suggested by Karpov in 'Informant 40', but nobody had tried or even mentioned Naiditsch's new idea before.

18... Qd6 19. Qd2!?

It may surprise subscribers that I haven't given Naiditsch's novelty an exclam or even two, but I'm simply not convinced that it's so good! Kramnik now thought for a long time, possibly due to over berating himself for failing to spot 19 Qd2 at home, before avoiding the critical line.

Previously 19. Rf5 Rd8 20. Ne3 (or 20. Qf3?! Nxd5 21. Rd1 Qe6 22. Rfxd5 Rxd5 23. Qxd5 Qxd5 24. Rxd5 Ke7 25. Rxb5 b6 and Black had a slightly better rook ending in Lelumees-Kobrin, Patras 1999) 20... Qxd1+ 21. Rxd1 Rxd1+ 22. Nxd1 Ne6 23. Rxb5 b6 had given White absolutely nothing in Kasimdzhanov-Yusupov, Essen 2001.

White might be able to leave his rook en prise, but he has to avoid 19. Qd4? f6! , which left him unable to avoid losing the exchange with 20. Qxf4 Qxe5 21. Qb4+ Kf7 22. Qb3 Kg6 23. Rd1 Rhe8 and Black went on to win in Kaminski-J.Howell, German League 1992.

19... Ng6?

Now Black will really struggle to coordinate his far flung forces. Possibly Kramnik underestimated the danger, though, for his cause does seem already pretty bad after the text, whereas 19... Qxe5! 20. Qb4+ Ke8 wouldn't have been so bad at all for him. Play would probably have continued 21. Re1 (21. Qxb5+!? Kd8 22. Rd1 looks a little scary, but I haven't been able to find a knock-out blow after 22... Ne2+ 23. Kh1 Nd4 24. Qxb7 Rc8 when Black is a rook up and both ...Rc5 and ...Re8 imminent) 21... Ne2+ 22. Kf1 Rc8! when White can win the black queen in various ways, but 23. f4 Qxd5 24. Rxe2+ Kd7 25. Rd2 Rc5 26. Rxd5+ Rxd5 27. Qa3 leaves Black even slightly better if anyone is, since his two rooks are at least the equal of White's queen.

20. Ree1!

A strong retreat. White's rooks will be ideally placed on d1 and e1.

20... f6?

A further slip. Kramnik's position would have been most unenviable after 20... Rd8 21. Rad1 Ne7 (21... f6 22. Qe3 Ne5 23. Qxa7 already begins to pick off Black's vulnerable queenside) 22. Qe3! Nc6 (22... Nxd5? 23. Rxd5! Qxd5 24. Qe7+ Kg8 25. Qe8+ Rxe8 26. Rxe8#) 23. Nc3 Qb8 24. Qc5+ Kg8 25. Rxd8+ Qxd8 26. Nxb5 when White regains the pawn with a large advantage, but he had to try this and grovel with 26... h6 .

21. Rad1 Kf7

Black might also have plugged the e-file with 21... Ne5 , but after 22. Qc3 he would have remained in huge trouble: for example, 22... Rd8 23. Qb3 Rd7 24. Nf4 and White's pieces will soon invade.

22. Qe3 Rhe8

Kramnik has to part with his queen after this, and a more resilient defence might have been 22... Rhd8!? 23. Ne7 Qxe7 24. Qb3+ Kf8 25. Rxe7 Nxe7 , which is similar, except that here Black has retained his b5-pawn for the time being.

23. Ne7! Qxe7

Black's cause would have been hopeless after 23... Rxe7 24. Rxd6 Rxe3 25. Rxe3 , but giving up the queen is unlikely to save him either.

24. Qb3+ Kf8 25. Rxe7 Rxe7 26. Qxb5 Rae8

Black's only hope is to sit tight here and hope that his opponent can't find a way in, but it's actually not so hard to do so. Naiditsch now seizes space on both flanks and, without hurrying, keeps improving his position.

27. g3 Ne5 28. Kg2 Nc6 29. b4 a6

Neither would 29... Ne5 have helped on account of 30. Rd6 Nc6 31. Qc5 a6 32. a4 and the pressure mounts, just like it does in the game.

30. Qb6 h6 31. a4! Ne5 32. Qc5 Kg8 33. b5 axb5 34. axb5

Depriving the black knight of the c6-square. Now Naiditsch turns to part two of the plan (advancing on the kingside), before finally finding a route in for his rook.

34... Nf7 35. h4 Kh8 36. Rd2 Kg8 37. Kh3! Kh8 38. f4 Kg8 39. h5 Kh8 40. Qf5

This position must have been agony for Kramnik, having to sit and wait, and now it's finally time for a decisive rook invasion to the seventh.

40... Nd8

This loses straightforwardly, but so would have 40... Kg8 41. Rd7 Kh8 42. Rxe7 Rxe7 43. Qd5 Rc7 44. Qe6 , again running Black out of moves.

41. Rd7 Ne6 42. Qd5 1-0 [Richard Palliser]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Nc6

Ivanchuk has an interesting idea in mind and so avoids the standard 6... Be7 when White can choose between 7 Bf4 and the topical 7. Be3 Nd7 8. Qd2 Ne5 9. O-O-O O-O .

7. Bf4

If Ivanchuk's novelty is as good as I believe, White will have to fall back on 7. Be3 at this point. However, after 7... Be7 8. Qd2 Black has some independent options to the standard( Volokitin has explored the alternatives at this point, but after both 8. Qd5 Be6 9. Qb5 Qc8 10. O-O-O a6 11. Qa4 Qd7 12. h4 Ne5 13. Qf4 Nxf3 14. Qxf3 Qc6 , as in Volokitin-Eljanov, Russian Team Championship 2006, and) (8. Qd3!? Qd7 9. O-O-O Qf5 10. Qc4 Be6 11. Qa4 Qa5 12. Qxa5 Nxa5 13. Nd4 Bc4! , which was the course of Volokitin-Dominguez, Cuernavaca 2006, he obtained no advantage) 8... Ne5 :(8... Be6!? 9. O-O-O Qd7 10. Kb1 a6 ( this position can also arise if Black begins with 8...a6 here 10... Bf6!? is possible too and after 11. h4 h6 12. Be2 Bg4 13. Rde1 O-O-O Black was fine in Stojanovic-Bozic, Belgrade 2007) 11. h4!? (11. Nd4 Nxd4 12. cxd4 d5 13. Bd3 was a rather simple method, which unsurprisingly didn't get far after 13... Bf5 14. Rhe1 Bxd3 15. Qxd3 O-O 16. Bf4 Rfe8 in Adams-Gashimov, Baku 2008) 11... h6 12. Nd4 Nxd4 13. Bxd4! Rg8 (13... O-O 14. f3 Rfe8 15. g4 looks fairly dangerous for Black) 14. c4 O-O-O 15. Qc3 gave White a nagging edge in Motylev-Belozerov, Russian Team Championship 2008. ) (8... Bf5!? 9. O-O-O Qd7 10. Kb1 O-O 11. h4 Rfb8!? is a much sharper approach, although I'm not totally convinced: 12. h5 b5 13. h6 b4 14. Bg5 Bf8 15. Bc4 Na5 16. Bd3 left White's attack the more potent in Ganguly-M.Socko, Warsaw 2007.)

7... Qf6!?

A novelty from the ever-creative Ukrainian. Every man and his dog have developed the king's bishop at this point, but notably Smyslov didn't and 7... Bg4 may also be acceptable for Black. Certainly 8. Be2 Be7 9. Qd2 Qd7 10. h3 Bxf3 11. Bxf3 Qe6+ 12. Be2 O-O seemed OK for Black in Ivanovic-Smyslov, Bar 1989.

8. Qd2 Be7 9. O-O-O O-O

Both sides have developed logically since 7...Qf6 and now we can begin to appreciate some of the points behind Ivanchuk's novelty: his queen offers some support to the kingside and so it may be possible to play ...h6 the standard ideas of ...Ne5 and ...Bg4 are still options and Black can exploit the fact that his queen isn't shut away on d8 to obtain some counterplay with ...Qf5-a5.

10. Re1

I dare say that the alternatives will be tested at this point. One is 10. h4 when 10...Bg4 is fine and it may also be possible to go 10... h6 11. Kb1 Bg4 .

Instead the attempt to prevent the black queen from becoming active with 10. Bd3 fails to convince: 10... Bf5 11. Bg5 Qe6 12. Bxe7 Nxe7 and the counterattack against a2 ensures that Black doesn't lose material.

10... Qf5! 11. a3

Prophylaxis. Karjakin no doubt saw the variation 11. Kb1 Be6 12. Bd3 Qa5 and realised that he'd have to go 13 a3 here in any case, since 13. b3? Bf6 can only be good for Black (White does have the remarkable resource 14. c4 Bc3 15. Qxc3! Qxc3 16. Bd2 Qf6 17. Bg5 , but after 17... Bxc4 18. Bxf6 Bxd3 19. cxd3 gxf6 Black is a pawn to the good).

11... Bf6 12. Bd3 Qa5 13. h4

Standard play from Karjakin, but it doesn't lead anywhere against Ivanchuk's plan, which now enables him to begin making exchanges.

13... Bf5 14. Ng5

Perhaps future games will debate 14. Bg5!? , since 14... Bxd3 ( it can take a brave man to open the h-file, but that might be a better ploy: 14... Bxg5!? 15. hxg5 Rae8 and h7 is well guarded, while exchanges are imminent in the centre) 15. Qxd3 (15. cxd3 Qf5 is fine for Black) 15... Be5 16. Be3 still gives White some hopes on the kingside.

14... Rae8 15. g4

Aggressive y from White, but all that this really does is to hasten the forthcoming simplification.

15... Bxg5 16. Bxf5

Quite clearly Black wouldn't have had any problems after 16. hxg5 Rxe1+ 17. Qxe1 (17. Rxe1?! Bxg4 18. Qe3 Bf5 costs White a pawn for insufficient compensation) 17... Bxd3 18. cxd3 Qd5 .

16... Bxf4 17. Qxf4 Re5 18. Bd3

It's obvious that Black is fine here and had played continued, only further exchanges would have occurred: 18. Bd3 Rfe8 19. Rxe5 Nxe5 20. Rd1 Nxd3+ 21. Rxd3 Re1+ .
1/2-1/2 [Richard Palliser]

[Watchman]

Yay! Dylan voted!

Now i can retro-vote 32.Kh3

[Harvey Williamson]

32...Qc5 is played my vote 33.f5

[Mars]

33.f5 is also the main move in my file. After i.e. 33... exf5 or 33... Rb4 I have 34.Qh5 here.

Martin