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Chess World Online Chess Forum - Move 10

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Play | Latest posts | IndexForum Name: Play the expert - WGM Julia Galianina-Ryjanova
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  Play ... Latest Forum Posts > Chess Game Forums - Rest of World matches > Play the expert - WGM Julia Galianina-Ryjanova
  Move 10

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JohnL

 Topics started


United States
Sat Jun 21 2003 10:06PM | edited: 10:07:50 | MsgID: 126012


hi Bro. Rick:

you wrote:
31.Qxa7

and now 31...Nxe3! instead of 31...Qc6

---------
I was wondering what might happen if black took the B with the N. So it looks like either ..c6 or ..f5 are draws so far.




Bro. Rick



 Topics started


United States
Sat Jun 21 2003 7:41PM | edited: 7:41:48 | MsgID: 125823


Hi JohnL, nice analysis. But it looks like Black can draw with the fantastic 31...Nxe3!

16.d6+ Kh8 17.dxc7 Qxc7 18.Nb5 Qb8 19.exf5 Rxf5 20.Nd4 Rd5 21.Ne6 Rxd1+ 22.Bxd1 Bf6 Qe5 23.Nxg7 Kxg7 24.Bc2 Rd8 25.f4 JohnL 25...Qd6 26.Kf1 Qc6 27.Kg1 e6 28.f5 exf5 29.Qb4 Nd5 30.Qd4+ Qf6 31.Qxa7

and now 31...Nxe3! instead of 31...Qc6

31...Nxe3! 32.Qxb7+ Kh6 33.Rxe3 Rd2!= (33...Rd4 34.h3 (34.a4 Qg5+ 35.Kf1 Rg4 36.Qh1 Rc4=) 34...Rc4 35.Bd3 White better) 34.Re7 Qg5+=) pretty neat!

Qc6 32.Qd4+ Qf6 33.Qxf6+ Nxf6 34.Bxf5 Kf7 White winning JohnL)



JohnL

 Topics started


United States
Sat Jun 21 2003 12:09PM | MsgID: 125612


Hi Bro. Rick:

Thanks for the correction. I included moves 23. to 25.

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 0–0 7.e4 Bg4 8.Be3 Nfd7 9.Rd1 Nc6 10.Qb3 Nb6 11.d5 Ne5 12.Be2 Nxf3+ 13.gxf3 Bh5 14.Rg1 Qd7 15.Rg3 f5 16.d6+ Kh8 17.dxc7 Qxc7 18.Nb5 Qb8 19.exf5 Rxf5 20.Nd4 Rd5 21.Ne6 Rxd1+ 22.Bxd1 Qe5

possible continuation:

23.Nxg7 Kxg7
24.Bc2 Rd8
25.f4 Qd6

26.Kf1 Qc6 27.Kg1 e6 28.f5 exf5

(f5 exf5 -- opening up the K-position)

29.Qb4 Nd5

(29.Qb4 Rd7 30.Bd4+ Kf7 31.Bb3+ Nd5 32.Bc3 with a strong attack on the K)

30.Qd4+ Qf6

(the white Q forks the a-pawn and K winning the a-pawn)

31.Qxa7 Qc6 32.Qd4+ Qf6

(trading Q's; if 32.Qd4+ Kf7 (to get out of the R-pin) 33.Bb3 (with a strong attack on the K)

33.Qxf6+ Nxf6 34.Bxf5 Kf7

(wins the f-pawn)

in a continuation to the 70th move, white pushes the black K to the Q-side corner, and then uses K and R to advance the h-pawn.




Bro. Rick



 Topics started


United States
Sat Jun 21 2003 7:41AM | MsgID: 125463


Hi JohnL, you skipped from move 22 to 26.



JohnL

 Topics started


United States
Fri Jun 20 2003 7:55AM | MsgID: 124545


Hi DonT and Bro. Rick:

this line opens up tactical possibilities for white, which may be more interesting than the drawish 15..c6 line.

15..f5 variation with 22..Qe5:

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 0–0 7.e4 Bg4 8.Be3 Nfd7 9.Rd1 Nc6 10.Qb3 Nb6 11.d5 Ne5 12.Be2 Nxf3+ 13.gxf3 Bh5 14.Rg1 Qd7 15.Rg3 f5 16.d6+ Kh8 17.dxc7 Qxc7 18.Nb5 Qb8 19.exf5 Rxf5 20.Nd4 Rd5 21.Ne6 Rxd1+ 22.Bxd1 Qe5

possible continuation:

26.Kf1 Qc6 27.Kg1 e6 28.f5 exf5

(f5 exf5 -- opening up the K-position)

29.Qb4 Nd5

(29.Qb4 Rd7 30.Bd4+ Kf7 31.Bb3+ Nd5 32.Bc3 with a strong attack on the K)

30.Qd4+ Qf6

(the white Q forks the a-pawn and K winning the a-pawn)

31.Qxa7 Qc6 32.Qd4+ Qf6

(trading Q's; if 32.Qd4+ Kf7 (to get out of the R-pin) 33.Bb3 (with a strong attack on the K)

33.Qxf6+ Nxf6 34.Bxf5 Kf7

(wins the f-pawn)

in a continuation to the 70th move, white pushes the black K to the Q-side corner, and then uses K and R to advance the h-pawn.

John



Bro. Rick



 Topics started


United States
Thu Jun 19 2003 8:46PM | MsgID: 124201


Hi JohnL & Team, it doesn't seem fair to say that you "have a winning line for white ater 22...Qe5" without giving it, unless it's a maneuver that could benefit White in the future. Sensing your great consideration, I assume that's the reason, as it takes us a lot of time to find the truth in many positions, this being one. The best I could find for white was:

22...Qe5
23.Nxg7 Kxg7
24.Bc2 Rd8
25.Be4 Rd7
26.Bd2 Qd6
27.Bc3+ Kf8=
28.Rg5 Qxh2
29.Ra5=



GoBoSox



 Topics started


United States
Thu Jun 19 2003 6:39PM | MsgID: 124114


Hi JohnL,

In the f5 line after...

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 0ˆ0 7.e4 Bg4 8.Be3 Nfd7 9.Rd1 Nc6 10.Qb3 Nb6 11.d5 Ne5 12.Be2 Nxf3+ 13.gxf3 Bh5 14.Rg1 Qd7 15.Rg3 f516.d6+ Kh8 17.dxc7 Qxc7 18.Nb5 Qb8 19.exf5 Rxf5 20.Nd4 Rd5 21.Ne6 Rxd1+ 22.Bxd1 Qe5

I don't see a clear win for White after 23. Nxg7 or Rg5!?; while Nd4?!, Be2?! or f4?! all give Black the better game the other reasonable try is Nf4!? which yields White the 2 Bs an active play but even in this line, like 23.Nxg7, the pawn structure is horrible- winning would be unlikely (for White and somewhat better for Black); 23. Nxg7 might yield a mild but not concrete advantage to White; 23... Kxg7 24.f4 (something different & better for White?) Qa5+ {Bxd1 might be simpler} 25.Bd2 Bxd1 26.Bxa5 Bxb3 27.Rxb3 Kf7 28.Bxb6 axb6 29.a3 (Rxb6 Rxa2 will yield Black a passed h pawn & that would be to White's disadvantage) Ra6 30.Rh3 (Ke2 will give give Black more choices & perhaps, opportunities to go wrong) Kg7 31.Rd3 b5 32.Rd7 Re6+ 33.Kf1 --so show me (:)) (before Missouri even became a State - there was Little Rhody, a State full of... )

I think Bro. Rick has received some validation... with 15...f5!?

In response to 14. f4 I'm still looking at 14...Qd6!?; so far, I haven't found Black's best defence...

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 0-0 7.e4 Bg4 8.Be3 Nfd7 9.Rd1 Nc6 10.Qb3 Nb6 11.d5 Ne5 12.Be2 Nxf3+ 13.gxf3 Bh5 14.f4 Qd6 15.Kxe2 Qd6 16.Nb5 Qd7 17.Rhg1 a6 18.Nd4 Rfd8 19.f5 Qa4 20.Rc1 Qxb3 21.Nxb3 Rac8 22.Na5 Bxb2 23.Rc2 Bf6 24.Nxb7 Re8 25.Bf4 Na8 +/-

Regards,

DT




JohnL

 Topics started


United States
Thu Jun 19 2003 12:16PM | edited: 12:43:58 | MsgID: 123843


hi DonT:

15..c6 line:
1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 0–0 7.e4 Bg4 8.Be3 Nfd7 9.Rd1 Nc6 10.Qb3 Nb6 11.d5 Ne5 12.Be2 Nxf3+ 13.gxf3 Bh5 14.Rg1 Qd7 15.Rg3 f5 16.d6+ Kh8 17.dxc7 Qxc7 18.Nb5 Qb8 19.exf5 Rxf5 20.Nd4 Rd5 21.Ne6 Rxd1+ 22.Bxd1 Bf6

you wrote:
perhaps 22...Qe5 is forced & will offer chances to survive, instead of Bf6
-----------
after a quick analysis, I have a winning line for white after 22..Qe5 instead of ..Bf6.

you wrote:
however, there's another line that annoys me in the 15...c6 line, 16. Bxb6 ab 17. Na4; for example 17...Qc7 18 Nb6 Rxa2?! 19. Qxa2 Qxb6 20. dc

-------------
18.Nxb6 Rad8 (about equal; with the a and b pawns gone black's Q and R have open files at white's a and b-pawns; without a K-side attack the white R at g3 isn't involved in the Q-side action.

14.f4 line:

14.f4 Bxe2
15.Nxe2 Qd6 (..Qd6 before ..c6 seems to hold)
16.h4 c6
17.dxc6 Qxc6

If
17.e5 Qd7 (about equal)



John



GoBoSox



 Topics started


United States
Thu Jun 19 2003 4:31AM | MsgID: 123673


JohnL,

Good work!! Thanks for your part in helping the Black team over come some apathy...

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 0–0 7.e4 Bg4 8.Be3 Nfd7 9.Rd1 Nc6 10.Qb3 Nb6 11d5 Ne5 12.Be2 Nxf3+ 13.gxf3 Bh5 14. Rg1 Qd7 15. Rg3 c6

As you note, in the 15...c6 line after 16. dc Qxc6 it appears that the followup with 17. Rc1(!?!) offersWhite a method to obtain the advantage but Black can counter with the move 17...Rac8 (!) seems to provide significant counterplay based on sacking the e-pawn (in many lines) and getting the rooks active... however, there's another line that annoys me in the 15...c6 line, 16. Bxb6 ab 17. Na4; for example 17...Qc7 18 Nb6 Rxa2?! 19. Qxa2 Qxb6 20. dc and White has gained at least a tempo on the noted Sosonko -Timman game; so 18...Rb8 19. h3!? Rfd8 should yield Black some play for the pawn deficit due to White's dark square weaknesses... also, after 17.Nb5 I thinkI found something that offers Black some very interesting tactics after 17... Be5!? 18. f4?! (Rg2!?) Bxe2 19. Kxe2 Bxb2 20. Na7?! (20. Qxb2 Na4! with the idea of Qb5+ & Nc3+)... Rxa7 21. Bxb6? (Kf1, I'll call it equal) Ra3 22. Qb4 loses a pawn to Ra2 with a dangerous attack while 22. Qb2 nets Black a Queen after 22...Qc4+ 23. Ke1 Rxa2 24. Rd4 Qa6 I spend a bunch of time on this when 18. Rg2!? seems to leave White with prospects of a reasonable advantage; especially after 18...Nc8?; so 18...Rfc8 (a delayed Timman variation) 19. Nxa7!? Rxa7 20. Bxb6 Rxa2 21. Qxa2 Qxb6 {22. Qa3!?? Bd6!? (might as well use the power of the Black Bishop) 24. Qa2 Rc2} 22. b3 Qc7 23. Qa4 Qc3+ 24. Kf1 Bxf3 25 Bxf3 Qxf3 26 Qd7 & Black's extra pawn, active pieces & lack of good shelter for the White King compensates for the exchange deficit

Even though Bro. Rick is probably incorrect on his assessment about 15...f5 as White's position appears much easier to play --even if a defense is found against the idea of Nd4-e6-g5-f7-d6+; perhaps 22...Qe5 is forced & will offer chances to survive, instead of Bf6 -- Black is on the ropes but could get to a Rook & pawn endgame with a slightly worse position (this assumes White playing 23. Ng7 -- which is not forced!)

Miquelstone, I did not mean to imply that the world team will lose due to 10... Nb6 --of course, I'm of the opinion that we have our work cut out for us by playing this line - when a better one was available & equality will be hard to find...I don't have all the resources that some may have but know that (in FIDE play) White scores exceedingly well after 14. Rg1 & 14. f4 (which can't be underestimated) - 14. a4!? also doesn't do too badly against Black's setup

Tahiv, With respect to the Sosonko - Timman game (quoted in the Davies book); the position after 20...Qxb6 is not won for Black - just that he has obtained compensation for the exchange; I would like to see how Timman would have faired against Korchnoi...

Finally, we need to get more people reading these notes - because all these suggestions will be meaningless if other members vote their whimsy -- for example, I see that several team members have suggested 11...Na5??




JohnL

 Topics started


United States
Wed Jun 18 2003 4:01PM | MsgID: 123205


black probably holds in the 15..c6 with 17.Rc1 variation:

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 0–0 7.e4 Bg4 8.Be3 Nfd7 9.Rd1 Nc6 10.Qb3 Nb6 11.d5 Ne5 12.Be2 Nxf3+ 13.gxf3 Bh5 14. Rg1 Qd7 15. Rg3 c6 16. dxc6 Qxc6 17. Rc1

----------
..Qf6 and ..Qd7 seem to lose

however, 17..Rac8 seems to hold--

after 17.Rc1 Rac8, white can't break through with--

18.Nd5
18.Qa3
18.Kf1





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