Author: Miguel A. Ballicora
Date: 18:55:37 02/10/02
Go up one level in this thread
On February 10, 2002 at 19:58:24, Dan Andersson wrote:
>1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 Be7 7. O-O O-O
>8. f4 Nc6 9. Be3 Bd7 10. Kh1 Nxd4 11. Bxd4 Bc6 12. Bd3 Nd7 13. Qe1 Bf6 14.
>Bxf6 Qxf6 15. Rd1 Rfd8 16. b4 b6 17. Bb5 Nb8 18. e5 dxe5
>
>[D]r2r2k1/pp1n1ppp/2bppq2/8/4PP2/2NB4/PPP3PP/3RQR1K w - - 0 16
>White has one really good plan. And it's a fairly unusual one for the Sicilian.
>16. b4 with the plan to dislodge the knight from protecting the e5 square. And
>black has oly one good reply 16... Nf8 to defend the king. 16... b6 is met by
>17. Bb5 and 16. a6 is roughly the same after 17. a4.
>
>MvH Dan Andersson
Gaviota finds it in ~7 min on a pIII 800 mhz but it does not consider Nf8
on the PV. After Nf8 the analysis is belowed. Gaviota prefers to keep pressure
on the "d" column. It looks ok but maybe it does not follow the best plan...
Some serious analysis is required I think.
Miguel
r2r2k1/pp1n1ppp/2bppq2/8/4PP2/2NB4/PPP3PP/3RQR1K w - - 0 16
+-----------------+
| r . . r . . k . |
| x x . n . x x x |
| . . b x x q . . |
| . . . . . . . . |
| . . . . o o . . |
| . . N B . . . . |
| o o o . . . o o |
| . . . R Q R . K |
+-----------------+
legal moves available = 33
103 1: 0.0 +0.80 Bd3-c4
377 2 0.0 :-(
593 2: 0.0 +0.31 e4-e5 d6xe5
1810 3: 0.0 +0.49 Bd3-c4 Qf6-e7 Nc3-b5
2159 4 0.0 :-( Bd3-c4
4185 4 0.1 +0.32 Bd3-b5 Bc6xb5 Nc3xb5 Qf6xb2
Nb5xd6 Qb2xc2 <-transp
7684 4: 0.1 +0.32 Bd3-b5 Bc6xb5 Nc3xb5 Qf6xb2
Nb5xd6 Qb2xc2 <-transp
9464 5 0.2 +0.21 Bd3-b5 Bc6xb5 Nc3xb5 Qf6xb2
Nb5xd6 Nd7-f6
18645 5 0.3 +0.33 b2-b4 a7-a6 Bd3-c4 Qf6-e7
Rf1-f3
29032 5: 0.4 +0.33 b2-b4 a7-a6 Bd3-c4 Qf6-e7
Rf1-f3
42459 6 0.6 +0.02 b2-b4 a7-a6 Bd3-c4 Qf6-e7
Rf1-f3 Nd7-f6
48745 6 0.7 +0.20 Bd3-b5 Bc6xb5 Nc3xb5 Qf6xb2
Nb5xd6 Ra8-b8 Qe1-a5 Qb2xc2
Qa5xa7
87634 6 1.2 +0.26 Qe1-e3 Qf6-e7 Bd3-b5 Nd7-c5
Bb5xc6 b7xc6 e4-e5
100684 6: 1.4 +0.26 Qe1-e3 Qf6-e7 Bd3-b5 Nd7-c5
Bb5xc6 b7xc6 e4-e5
119331 7 1.6 +0.25 Qe1-e3 Qf6-e7 Bd3-b5 Nd7-f6
Bb5xc6 b7xc6 e4-e5 Nf6-g4
309242 7: 3.9 +0.25 Qe1-e3 Qf6-e7 Bd3-b5 Nd7-f6
Bb5xc6 b7xc6 e4-e5 Nf6-g4
718922 8 9.8 +0.26 Qe1-e3 Qf6-e7 Bd3-b5 Nd7-f6
Bb5xc6 b7xc6 e4-e5 d6xe5
f4xe5
851919 8: 11.4 +0.26 Qe1-e3 Qf6-e7 Bd3-b5 Nd7-f6
Bb5xc6 b7xc6 e4-e5 d6xe5
f4xe5
1303580 9 17.4 +0.15 Qe1-e3 Qf6-e7 a2-a3 Nd7-f6
Bd3-e2 a7-a6 Rd1-d4 b7-b5
Rf1-a1
2252342 9 29.6 +0.23 f4-f5 Qf6-e7 f5xe6 f7xe6
Bd3-b5 Rd8-f8 Rf1xf8 Ra8xf8
Qe1-d2 Bc6xb5 Nc3xb5
3803244 9: 49.8 +0.23 f4-f5 Qf6-e7 f5xe6 f7xe6
Bd3-b5 Rd8-f8 Rf1xf8 Ra8xf8
Qe1-d2 Bc6xb5 Nc3xb5
7262235 10 96.8 +0.13 f4-f5 Qf6-e7 Bd3-b5 Nd7-e5
Rd1-d4 Ra8-b8 Bb5xc6 b7xc6
b2-b3 Rd8-f8
9742066 10 130.7 +0.20 Qe1-e3 a7-a6 Rf1-f3 Nd7-c5
Bd3-e2 a6-a5 Be2-c4 Qf6-e7
f4-f5 e6-e5
15882319 10: 211.2 +0.20 Qe1-e3 a7-a6 Rf1-f3 Nd7-c5
Bd3-e2 a6-a5 Be2-c4 Qf6-e7
f4-f5 e6-e5
21449729 11 283.9 +0.17 Qe1-e3 a7-a6 Rf1-f3 Qf6-e7
Bd3-e2 Nd7-f6 Rf3-h3 b7-b5
a2-a3 Ra8-b8 b2-b4
32648100 11 428.7 +0.28 b2-b4 Nd7-b6 b4-b5 Bc6-e8
Bd3-e2 Qf6-e7 Rd1-d4 f7-f6
Be2-g4 a7-a6 a2-a4 a6xb5
a4xb5
39988313 11: 525.8 +0.28 b2-b4 Nd7-b6 b4-b5 Bc6-e8
Bd3-e2 Qf6-e7 Rd1-d4 f7-f6
Be2-g4 a7-a6 a2-a4 a6xb5
a4xb5
setboard r2r2k1/pp1n1ppp/2bppq2/8/4PP2/2NB4/PPP3PP/3RQR1K w - - 0 16
force
b4
move_entered: b2-b4
Nf8
move_entered: Nd7-f8
d
+-----------------+
| r . . r . n k . |
| x x . . . x x x |
| . . b x x q . . |
| . . . . . . . . |
| . o . . o o . . |
| . . N B . . . . |
| o . o . . . o o |
| . . . R Q R . K |
+-----------------+
analyze
80 1: 0.0 +0.63 Bd3-c4
444 2: 0.0 +0.32 Bd3-b5 Qf6-e7 Bb5xc6 b7xc6
1517 3 0.0 :-) b4-b5
1733 3: 0.0 +0.71 b4-b5 Bc6-d7 Bd3-e2
3232 4 0.0 +0.61 b4-b5 Bc6-e8 e4-e5 Qf6-e7
3854 4: 0.1 +0.61 b4-b5 Bc6-e8 e4-e5 Qf6-e7
5748 5 0.1 +0.63 b4-b5 Bc6-d7 e4-e5 d6xe5
f4xe5 <EMPTY> <-transp
13971 5: 0.2 +0.63 b4-b5 Bc6-d7 e4-e5 d6xe5
f4xe5 <EMPTY> <-transp
22181 6 0.3 +0.39 b4-b5 Bc6-d7 Rf1-f3 Qf6-e7
e4-e5 d6-d5
49862 6 0.7 +0.39 Bd3-b5 Ra8-c8 Qe1-e3 Bc6xb5
Nc3xb5 Rc8xc2 Nb5xd6
63841 6: 0.9 +0.39 Bd3-b5 Ra8-c8 Qe1-e3 Bc6xb5
Nc3xb5 Rc8xc2 Nb5xd6
116856 7 1.5 +0.24 Bd3-b5 Bc6xb5 Nc3xb5 Qf6-e7
f4-f5 a7-a6 f5-f6 g7xf6
Qe1-g3 Nf8-g6 Nb5xd6
156871 7 1.9 +0.55 b4-b5 Bc6-e8 Rf1-f3 Qf6-e7
Bd3-c4 Nf8-g6 a2-a4
228971 7: 2.8 +0.55 b4-b5 Bc6-e8 Rf1-f3 Qf6-e7
Bd3-c4 Nf8-g6 a2-a4
341508 8 4.2 +0.43 b4-b5 Bc6-d7 Bd3-e2 Qf6-e7
f4-f5
549479 8: 6.9 +0.43 b4-b5 Bc6-d7 Bd3-e2 Qf6-e7
f4-f5
888504 9 11.1 +0.47 b4-b5 Bc6-d7 Bd3-e2 Qf6-e7
Rd1-d4 Nf8-g6 g2-g3 a7-a6
<-transp
2416927 9: 31.0 +0.47 b4-b5 Bc6-d7 Bd3-e2 Qf6-e7
Rd1-d4 Nf8-g6 g2-g3 a7-a6
<-transp
4032545 10 52.6 +0.38 b4-b5 Bc6-d7 Bd3-e2 Ra8-c8
Rd1-d3 Qf6-e7 Qe1-d2
9281895 10: 121.8 +0.38 b4-b5 Bc6-d7 Bd3-e2 Ra8-c8
Rd1-d3 Qf6-e7 Qe1-d2
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