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Old August 22nd 03, 05:40 AM
Fernando
 
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Default Diary Problem 26 (novice+advanced)

r1bq1rk1/1p1n1pbp/p1n1p1p1/4P3/N1pB4/P4N1P/1PP2PP1/R2QR1K1 b - - 0 1

Black to play.

Depending on your rating there are two solutions.
As far as I'm concerned, both are correct, as both follow the same basic
line (or weakness of white.)

Have fun,
Fernando



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Old August 22nd 03, 03:03 PM
Antonio Torrecillas
 
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Default Diary Problem 26 (novice+advanced)

En/na Fernando ha escrit:
r1bq1rk1/1p1n1pbp/p1n1p1p1/4P3/N1pB4/P4N1P/1PP2PP1/R2QR1K1 b - - 0 1

Black to play.

Depending on your rating there are two solutions.
As far as I'm concerned, both are correct, as both follow the same basic
line (or weakness of white.)

Have fun,
Fernando


¿¿is black a piece up???

AT

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Old August 23rd 03, 09:35 PM
Fernando
 
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Default Diary Problem 26 (novice+advanced)


"Antonio Torrecillas" schreef in bericht
...
En/na Fernando ha escrit:
r1bq1rk1/1p1n1pbp/p1n1p1p1/4P3/N1pB4/P4N1P/1PP2PP1/R2QR1K1 b - - 0 1

Black to play.

Depending on your rating there are two solutions.
As far as I'm concerned, both are correct, as both follow the same basic
line (or weakness of white.)

Have fun,
Fernando


¿¿is black a piece up???

AT


Yes

r1bq1rk1/1p3pbp/p1nppnp1/2p5/2B1P3/P1NPBN1P/1PP2PP1/R2QR1K1 b - - 0 10
10... d5 11.d4 cxd4 12.Bxd4 dxc4 13.e5 Nd7 14.Na4

You can make your own conclusion. Notice that d5 is not that daring.

Best regards,
Fernando




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Old August 24th 03, 11:20 AM
Brice Allenbrand
 
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Default Diary Problem 26 (novice+advanced)

r1bq1rk1/1p3pbp/p1nppnp1/2p5/2B1P3/P1NPBN1P/1PP2PP1/R2QR1K1 b - - 0 10
10... d5 11.d4 cxd4 12.Bxd4 dxc4 13.e5 Nd7 14.Na4
You can make your own conclusion. Notice that d5 is not that daring.


and... what if :

10... d5 11. Bg5 dxc4 12. e5 Nxe5 (12... cxd3 13. Ne4 Nxe5 (13... d2 14. Re2
Nxe5 15. Nxe5 h6 16. Nxf6+ Bxf6 17. Bxh6 Bxe5)) 13. Nxe5 h6 14. Be3 b6
(14...
Qc7 15. Bf4 Rd8 16. Nxg6) 15. Qf3


regards,

Brice Allenbrand


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Old August 25th 03, 08:45 AM
Fernando
 
Posts: n/a
Default Diary Problem 26 (novice+advanced)


"Brice Allenbrand" schreef in bericht
...
r1bq1rk1/1p3pbp/p1nppnp1/2p5/2B1P3/P1NPBN1P/1PP2PP1/R2QR1K1 b - - 0 10
10... d5 11.d4 cxd4 12.Bxd4 dxc4 13.e5 Nd7 14.Na4
You can make your own conclusion. Notice that d5 is not that daring.


and... what if :

10... d5 11. Bg5 dxc4 12. e5 Nxe5 (12... cxd3 13. Ne4 Nxe5 (13... d2 14.

Re2
Nxe5 15. Nxe5 h6 16. Nxf6+ Bxf6 17. Bxh6 Bxe5)) 13. Nxe5 h6 14. Be3 b6
(14...
Qc7 15. Bf4 Rd8 16. Nxg6) 15. Qf3


regards,

Brice Allenbrand



instead of 13... h6, try 13... Qc7

Best regards,
Fernando





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Old August 27th 03, 08:54 AM
Brice Allenbrand
 
Posts: n/a
Default Diary Problem 26 (novice+advanced)

instead of 13... h6, try 13... Qc7

ok but i can't find where black are best :

1...d5 2.Bg5 dxc4 3.e5 Nxe5 4.Nxe5 Qc7 5.Bf4 Qd8
[
5...Rd8 6.Qf3 Rd4 (
6...Nd5 7.Nxd5 Rxd5 8.Nxg6 Qd8 9.dxc4+- ;
6...Nh5 7.Bh2 Bxe5 8.Bxe5 Qe7 9.g4+- ) 7.dxc4 Ne8 8.Nxg6 Nd6
9.Nh4+- ]
6.dxc4 Nd7
[
6...Nh5 7.Bh2 Qa5 (
7...Nf6 8.Qxd8 Rxd8 9.Na4+- ;
7...Qb6 8.Na4 Qa5 9.b3+- ) 8.Qd6 Nf6 9.Qe7+- ;
6...Qe7 7.Na4 a5 (
7...Nd7 8.Nxd7 Bxd7 9.Bd6+- ;
7...Ra7 8.Qd3 Rd8 9.Qe3+- ) 8.Qf3 Nh5 9.Bh2± ]
7.Ng4 Qb6 8.Nh6+ Kh8 9.Ne4±


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Old August 27th 03, 07:30 PM
Fernando
 
Posts: n/a
Default Diary Problem 26 (novice+advanced)


"Brice Allenbrand" schreef in bericht
...
instead of 13... h6, try 13... Qc7


ok but i can't find where black are best :

[Date "????.??.??"]
[Result "*"]
[SetUp "1"]
[FEN "r1bq1rk1/1p3pbp/p1nppnp1/2p5/2B1P3/P1NPBN1P/1PP2PP1/R2QR1K1 b - - 0
1"]

1... d5 2. Bg5 dxc4 3. e5 Nxe5 4. Nxe5 Qc7 5. Bf4 Qd8 (5... Rd8 6. Qf3 Rd4 (
6... Nd5 7. Nxd5 Rxd5 8. Nxg6 Qd8 9. dxc4) (6... Nh5 7. Bh2 Bxe5 8. Bxe5 Qe7
9. g4) 7. dxc4 Ne8 8. Nxg6 Nd6 9. Nh4) 6. dxc4 Nd7 (6... Nh5 7. Bh2 Qa5 (
7... Nf6 8. Qxd8 Rxd8 9. Na4) (7... Qb6 8. Na4 Qa5 9. b3) 8. Qd6 Nf6 9. Qe7)
(
6... Qe7 7. Na4 a5 (7... Nd7 8. Nxd7 Bxd7 9. Bd6) (7... Ra7 8. Qd3 Rd8 9.
Qe3)
8. Qf3 Nh5 9. Bh2) 7. Ng4 Qb6 8. Nh6+ Kh8 9. Ne4 *

I'm sorry, you are right. I figured that the discovered double attack could
be countered with the simple Rd8.

1... d5 is a blunder, and a big one too.

Best regards,
Fernando



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