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Chess World Online Chess Forum - 17. Nc8

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  Play ... Latest Forum Posts > Chess Game Forums - Rest of World matches > Play the expert - WGM Julia Galianina-Ryjanova
  17. Nc8

Bro. Rick



 Topics started


United States
Fri Aug 8 2003 6:37AM | MsgID: 169344


Hi JohnL, if White plays 18.Qa3, besides your Black replies of Rd8 and Nd6 and Be5, Black can play 18...f5. Here's what I have so far:

18.Qa3 f5
19.dxc6 (19.Bd4 Bxd4 20.Rxd4 fxe4 21.Nxe4 Nd6 22.dxc6 Qxc6 23.Nxd6 exd6 24.Bc4+ (24.Rxd6 Qc1+ 25.Rd1 Qc2=) 24...Kg7 25.Qxd6 Rae8+ 26.Kf1 Bxf3=)

19...bxc6
20.Qc5 fxe4
21.Bb5 Qe5
22.Bxc6 (22.Qxc6 Nd6 23.Rd5 Qf6 24.fxe4 Rac8 25.Qa6 Qh4 26.Bd7 Bxc3+ 27.bxc3 Qxe4 28.Rxh5 Rxc3 29.Qe2 Rb8 30.f3 Qxe3 31.Qxe3 Rxe3+ 32.Kf2 Ra3–+)

22...Qxc5
23.Bxc5 Rb8
24.Nxe4 Rxb2
25.Ba3 (25.Ng5 h6 26.Bd5+ Kh8 27.Ne6 Bc3+ 28.Kf1 Rf6 29.Be3 Nd6 30.a6 Nf5 31.Bxa7 Nxg3+ 32.hxg3 Bxf3 33.Bxf3 Rxe6 (33...Rxf3 34.Bc5 Ra2 35.a7 Rf6 36.Rd8+ Kh7 37.Nf4 Rf5 38.Be3 Rfa5 39.Nd5 Bf6 40.Rd7 (40.Nxf6+ exf6 41.Rd7+ Kg8=) 40...Kg7 41.Nxe7 Bxe7 42.Rxe7+ Kf6=) 34.Ra1 Rf6 35.Bb7 Rbxf2+ 36.Bxf2 Bxa1 37.Kg1 Rxf2 38.Kxf2 Bd4+ 39.Ke2=)

25...Rc2
26.Ba4 Rc7
27.Rd3 Nd6 (27...Ba1 might be equal)
28.Nxd6 exd6
29.Bxd6 Rc1+
30.Kd2 Rfc8
31.Bb3+ Kh8
32.f4 Rf1
33.Rg2 +/=



JohnL

 Topics started


United States
Thu Aug 7 2003 7:11PM | MsgID: 168920


hi Bro. Rick:

after Qa3 Rd8 and Qa3 Nd6, I have winning lines for white.

narrow draw line for black after 18.Qa3 Be5--

18.Qa3 Be5
20.dxc6 bxc6
21.Qc5 Rb8

black may have to make very precise moves in a long, complex line to draw. The line is so complex, white might move the more traditional Kf1 or Qb4.





JohnL

 Topics started


United States
Thu Aug 7 2003 2:00PM | edited: 2:01:45 | MsgID: 168701


white is winning this ..Nc8 18.Qa3 line:

18.Qa3 Rd8 19.Qc5 Rb8 20.dxc6 Rxd1+ 21.Bxd1 Qxc6 22.Rg5 e6 23.Bf4 Qxc5 24.Rxc5 Ra8 25.Rc7 b6 26.a6 g5 27.Bxg5 (+-)

18.Qa3 Be5 might be better than ..Rd8.






JohnL

 Topics started


United States
Thu Aug 7 2003 12:42PM | MsgID: 168662


Qa3 might be a good move for white:

Qa3 Rd8
Qc5

Qa3 Be5
dxc6 bxc6
Qc5





BMcC

 Topics started


United States
Thu Aug 7 2003 6:17AM | MsgID: 168535


I don't want to give her any help, but instead of Qb4 as previosuly played, why not Qa3, the idea from the old main line?

Rd8 looks best and helps finish our set up, but then white can try for more with Rc1 or run with the king.



JohnL

 Topics started


United States
Wed Aug 6 2003 7:04AM | MsgID: 167775


from the original post:

Bro. Rick's line:
18.Kf1 Nd6 19.a6 c5 20.Bf4 Rab8 21.Qc2 bxa6 22.Na4 f5 23.e5 Nf7 24.d6 exd6 25.exd6 Qc6 26.d7 Rb4 [26...Rb7? 27.Nxc5 Rxb2 28.Qc4+-] 27.Bc4 Qxa4 28.d8Q Rxc4 29.Qxa4 Rxa4 30.Qc7±

---------

20.Bf4 bxa6 (instead of ..Rab8)
21.Qc2 Rab8
22.Na4 c4 (=+)

---------

with best moves white may still have the initiative; I had one line with white winning, but black had a better move to draw.



Bro. Rick



 Topics started


United States
Tue Aug 5 2003 6:16PM | edited: 10:33:24 | MsgID: 167398


Hi Team, Just now looking at Nc8,

18.Kf1

[18.Qb4 f5 19.dxc6 (19.Bd4 Bxd4 20.Qxd4 c5 21.Qd2 f4 22.Rg5 Nd6 23.e5 Nf5 (23...Nf7 24.d6 (24.Rxh5 gxh5 25.d6 exd6 26.Nd5 Qd8 27.e6 Qg5 28.exf7+ Rxf7 29.Bc4 Re8+ (29...Qg1+ 30.Ke2 Re8+ 31.Kd3 Qg6+ 32.Kc3 Kg7 33.Kb3±) 30.Kf1 Kh8 31.Re1 +/=) 24...exd6 25.exd6 Qxa5 26.Rd5=) 24.d6 exd6 25.exd6 Qd8 (25...Qxa5 26.Qd5+ Kh8=) 26.Ne4 +/= Nd4? 27.Rxc5+- Korotylev-Knott, Hastings 2002) 19...bxc6 20.Bd4= Van den Berg-Bozic, 1949]

18...Nd6 19.a6 c5 20.Bf4 Rab8 21.Qc2 bxa6 22.Na4 f5 23.e5 Nf7 24.d6 exd6 25.exd6 Qc6 26.d7 Rb4 [26...Rb7? 27.Nxc5 Rxb2 28.Qc4+-] 27.Bc4 Qxa4 28.d8Q Rxc4 29.Qxa4 Rxa4 30.Qc7±

We need to improve on the 18.Kf1 variation

xxxxxxxxx

Just found an improvement:

18.Kf1

[18.Qb4 f5 19.dxc6 (19.Bd4 Bxd4 20.Qxd4 c5 21.Qd2 f4 22.Rg5 Nd6 23.e5 Nf5 (23...Nf7 24.d6 (24.Rxh5 gxh5 25.d6 exd6 26.Nd5 Qd8 27.e6 Qg5 28.exf7+ Rxf7 29.Bc4 Re8+ (29...Qg1+ 30.Ke2 Re8+ 31.Kd3 Qg6+ 32.Kc3 Kg7 33.Kb3±) 30.Kf1 Kh8 31.Re1 +/=) 24...exd6 25.exd6 Qxa5 26.Rd5=) 24.d6 exd6 25.exd6 Qd8 (25...Qxa5 26.Qd5+ Kh8=) 26.Ne4 +/= Nd4? 27.Rxc5+- Korotylev-Knott, Hastings 2002) 19...bxc6 20.Bd4= Van den Berg-Bozic, 1949]

18...Nd6
19.a6 c5
20.Bf4 [20.Nb5 Qb6 21.axb7 Qxb7 22.Bxc5 a6 23.Nd4 Qxb3 24.Nxb3 Rfb8 25.Rd3 Bxb2 26.Nd4 Kf8 27.Nc6 Rb7=]
20...Rab8
21.Kg2 [21.Qc2 bxa6 22.Na4 c4! the improvement, Black is better, so White cannot play 22.Na4 ( not 22...f5 23.e5 Nf7 24.d6 exd6 25.exd6 Qc6 26.d7 Rb4 (26...Rb7? 27.Nxc5 Rxb2 28.Qc4+-) 27.Bc4 Qxa4 28.d8Q Rxc4 29.Qxa4 Rxa4 30.Qc7±)]
21...bxa6
22.Qc2 c4 23.Rh3= Lots of play here