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Subject: Re: Position from the Baron - Quark

Author: Ernst Walet

Date: 11:50:32 01/18/03

Go up one level in this thread


Fritz8 is fond of Ne6, and eventually thinks that white won't take the rook
after this move.
It never consideres Nf5.  Below this is the analysis after Nf5.

Ernst.



New game
r2q1rk1/4bpnp/p1n3pB/3pP3/P1pP4/1pN2P2/1P1Q1P1P/R2BR1K1 b - - 0 1

Analysis by Fritz 8:

1...Bb4 2.Qf4 Bxc3 3.bxc3 f6 4.e6 Rb8
  ³  (-0.50)   Depth: 6/25   00:00:00  103kN
1...Bb4 2.Rc1 Qh4 3.Bxg7 Kxg7
  ³  (-0.59)   Depth: 7/28   00:00:00  390kN
1...Bb4 2.Rc1 Qh4 3.Bxg7 Kxg7 4.f4 f6 5.Bf3 fxe5 6.dxe5 Ne7 7.Bxd5
  ³  (-0.63)   Depth: 8/28   00:00:01  719kN
1...Bb4 2.Rc1 Qh4 3.Bxg7 Kxg7 4.f4 f6 5.Bf3 Rad8 6.e6 Ne7
  ³  (-0.69)   Depth: 9/31   00:00:03  1630kN
1...Bb4 2.Rc1 Qh4 3.Bxg7 Kxg7 4.f4 f6 5.Bf3 Rad8 6.e6 Ne7
  ³  (-0.69)   Depth: 10/31   00:00:06  3044kN
1...Bb4 2.f4 Qb6 3.Bf3 Rfd8 4.Bg5 Qxd4 5.Rad1 Qxd2 6.Rxd2 f6 7.Bxf6
  ³  (-0.50)   Depth: 11/32   00:00:11  6266kN
1...Bb4 2.f4 Qh4 3.Bg5 Qh3 4.Re3 Qe6 5.Bh6 f6 6.Bf3 fxe5 7.fxe5 Rad8
  ³  (-0.59)   Depth: 12/34   00:00:23  13799kN
1...Bb4 2.f4 Qh4 3.Bg5 Qh3 4.Qe3 Qxe3 5.fxe3 Bxc3 6.bxc3 Ne6 7.Bf3 Nxg5 8.fxg5
Ne7 9.Rab1
  ³  (-0.44)   Depth: 13/36   00:00:47  28590kN
1...Ne6!
  ³  (-0.47)   Depth: 13/36   00:01:19  48917kN
1...Ne6!
  ³  (-0.63)   Depth: 13/37   00:01:41  62933kN
1...Ne6 2.Bxf8 Bg5 3.Re3 Bf4 4.Bc5 Nxc5 5.Ne2 Qg5+ 6.Kf1 Ne6 7.Rc1 Bxe3 8.fxe3
f5
  ³  (-0.63)   Depth: 14/38   00:02:14  83333kN
1...Ne6!
  µ  (-0.91)   Depth: 15/39   00:06:02  228657kN
1...Ne6 2.Be3 g5 3.f4 gxf4 4.Bxf4 Ncxd4 5.Be3 Bc5 6.Kh1 f6 7.exf6 Qxf6 8.Nxd5
Qf5 9.Ne7+
  µ  (-1.06)   Depth: 16/43   00:17:45  668071kN

(Celeron 1.2GHz, 512MB hash, 3, 4 and 5 piece EGTB's 18.01.2003)




New game
r2q1rk1/4bp1p/p1n3pB/3pPn2/P1pP4/1pN2P2/1P1Q1P1P/R2BR1K1 w - - 0 1

Analysis by Fritz 8:

2.Bxf8 Bxf8 3.f4 Ncxd4 4.Kh1 h6 5.Bg4
  =  (0.22)   Depth: 7/16   00:00:00  31kN
2.Bxf8 Bxf8 3.f4 Ncxd4 4.Kh1 Qa5 5.Bg4 Rd8 6.Bxf5
  =  (0.16)   Depth: 8/21   00:00:00  59kN
2.Bxf8 Bxf8 3.f4 Ncxd4 4.Bg4 Qh4 5.Qd1 Nc2 6.Bxf5 Nxe1
  =  (-0.03)   Depth: 9/26   00:00:00  218kN
2.Bxf8 Bxf8 3.f4 Ncxd4 4.Bg4 Bb4 5.Rac1 Qh4
  =  (-0.16)   Depth: 10/27   00:00:01  525kN
2.Bxf8 Bxf8 3.f4 Ncxd4 4.Bg4 Bb4 5.Rec1 Qh4 6.Qd1 Bxc3 7.Rxc3 Rd8 8.Bxf5
  =  (-0.16)   Depth: 11/29   00:00:02  1194kN
2.Bxf8 Bxf8 3.f4 Ncxd4 4.Kh1 Bb4 5.Rg1 Qh4 6.Bg4 Rd8 7.Bxf5 Nxf5 8.Rae1
  =  (-0.12)   Depth: 12/30   00:00:05  2430kN
2.Bxf8 Bxf8 3.f4 Ncxd4 4.Kh1 Bb4 5.Rg1 Qh4 6.Bg4 Rd8 7.Rae1 h6 8.Rg2
  =  (-0.16)   Depth: 13/32   00:00:11  6390kN
2.Bxf8 Bxf8 3.f4 Ncxd4 4.Kh1 Bb4 5.Rg1 Qh4 6.Rc1 h6 7.Bg4 Rd8 8.Rg2 Kh8
  =  (-0.19)   Depth: 14/36   00:00:43  25784kN
2.Bxf8 Bxf8 3.f4 Nfxd4 4.Kh1 Bh6 5.Rg1 f6 6.exf6 Qd6 7.Rg4 Rd8 8.Rh4 Nf5
  ³  (-0.31)   Depth: 15/36   00:02:13  82390kN
2.Bxf8 Bxf8 3.f4 Nfxd4 4.Kh1 Bb4 5.Rc1 Qh4 6.f5 Rd8 7.f6 Ne6 8.Bf3 Ncd4
  ³  (-0.37)   Depth: 16/41   00:06:12  231757kN
2.Bxf8 Bxf8 3.f4 Nfxd4 4.f5 Bb4 5.fxg6 fxg6 6.f4 Kh8 7.Rf1 Nf5 8.Qxd5 Bxc3
  ³  (-0.50)   Depth: 17/43   00:17:20  647647kN

(Celeron 1.2GHz, 512MB hash, 3, 4 and 5 piece EGTB's 18.01.2003)


On January 17, 2003 at 09:27:20, Richard Pijl wrote:

>In a game between The Baron and Quark on ICC the following position occurred
>after 21.Nc3:
>
>[D]r2q1rk1/4bpnp/p1n3pB/3pP3/P1pP4/1pN2P2/1P1Q1P1P/R2BR1K1 b - - 0 21
>
>Quark now played the surprising 21..Nf5. What does your engine think of this
>move?
>
>Baron 0.99.4 on a PIII-500:
> ply       time     nodes  score  pv
>
>  4( 7)&      0      8483     61  f8e8 d1e2 g7e6 f3f4
>  4( 7).      0      9069     61  f8e8 d1e2 g7e6 f3f4
>  5( 9)&      0     18581     46  f8e8 h6g7 g8g7 d1e2 g7g8 f3f4
>  5( 9).      0     20716     46  f8e8 h6g7 g8g7 d1e2 g7g8 f3f4
>  6(11)&      0     45369     53  f8e8 h6g7 g8g7 d1e2 g7g8 f3f4 c6b8
>  6(11).      0     50903     53  f8e8 h6g7 g8g7 d1e2 g7g8 f3f4 c6b8
>  7(12)&      1    101028     21  f8e8 h6g7 g8g7 f3f4 a8a7 d1f3 g7g8 c3d5
>  7(16)&      6    471915     28  c6b4 e1f1 f8e8 h6g7 g8g7 d1e2 g7g8 f3f4
>  7(16).      7    513596     28  c6b4 e1f1 f8e8 h6g7 g8g7 d1e2 g7g8 f3f4
>  8(17)&     12    896835     24  c6b4 f3f4 f8e8 h6g7 g8g7 d1f3 g7g8 a1c1 b4c2
>  8(17)&     14   1011584     25  f8e8 h6g7 g8g7 f3f4 g7g8 d1f3 c6b4 a1c1 b4c2
>  8(18)&     22   1666921     39  d8d7 f3f4 f8d8 d1f3 d7h3 h6g7 h3f3 g7h6
>  8(18).     22   1668126     39  d8d7 f3f4 f8d8 d1f3 d7h3 h6g7 h3f3 g7h6
>  9(17)&     27   2085503     22  d8d7 f3f4 f8d8 h6g7 g8g7 d1f3 d7e6 f4f5 g6f5
>d2f4
>  9(18)&     41   3090935     38  g7e6 h6f8 e7g5 d2e2 g8f8 e2f1 g5d2 e1e2 d8g5
>f1g2
>  9(19)&     57   4350218     45  e7b4 f3f4 d8b6 e1f1 b4c3 b2c3 f8c8 h6g7 g8g7
>d1g4
>  9(19).     66   4993750     45  e7b4 f3f4 d8b6 e1f1 b4c3 b2c3 f8c8 h6g7 g8g7
>d1g4
> 10(21)&    115   8690933     39  e7b4 f3f4 d8b6 f4f5 g7f5 h6f8 a8f8 d1f3 b6d8
>d2g5
> 10(21)&    155  11806345     66  g7e6 h6f8 e7g5 d2e2 g8f8 f3f4 c6d4 e2f1 g5f4
>d1e2
> 10(21).    159  12163918     66  g7e6 h6f8 e7g5 d2e2 g8f8 f3f4 c6d4 e2f1 g5f4
>d1e2
> 11(22)&    236  18098340     75  g7e6 h6f8 e7g5 e1e3 g8f8 c3e2 g5e3 f2e3 d8h4
>e2f4
> 11(22).    277  21393320     75  g7e6 h6f8 e7g5 e1e3 g8f8 c3e2 g5e3 f2e3 d8h4
>e2f4
> 12(23)&    461  36270261     65  g7e6 h6f8 e7g5 e1e3 g8f8 c3e2 g5e3 f2e3 d8g5
>e2g3 f8g8 f3f4 g5h4
> 12(23).    662  51972682     65  g7e6 h6f8 e7g5 e1e3 g8f8 c3e2 g5e3 f2e3 d8g5
>e2g3 f8g8 f3f4 g5h4
>
>
>And after forcing Nf5:
>
> ply       time     nodes  score  pv
>
>  4( 8)&      0      3790    105  h6f8 e7f8 c3e2 c6e5
>  4( 9).      0      8507    105  h6f8 e7f8 c3e2 c6e5
>  5(11)-      0     28745     70  h6f8 e7f8 c3e2 f8b4 f3f4
>  5(11)&      0     34491     37  h6f8 e7f8 d1e2 f8b4 f3f4
>  5(11).      0     45126     37  h6f8 e7f8 d1e2 f8b4 f3f4
>  6( 9)&      0     57387     28  h6f8 e7f8 d1e2 c6d4 a1c1 d4e2 c3e2 f8c5
>  6(12).      1     98691     28  h6f8 e7f8 d1e2 c6d4 a1c1 d4e2 c3e2 f8c5
>  7(15)&      1    144317     26  h6f8 e7f8 d1e2 f5d4 a1d1 f8e7 f3f4
>  7(15).      3    291304     26  h6f8 e7f8 d1e2 f5d4 a1d1 f8e7 f3f4
>  8(17)&      5    416323     13  h6f8 e7f8 f3f4 f5d4 a1c1 d4f3 d1f3 f8b4
>  8(17).     11    845517     13  h6f8 e7f8 f3f4 f5d4 a1c1 d4f3 d1f3 f8b4
>  9(19)&     17   1317650     13  h6f8 e7f8 f3f4 f5d4 a1c1 f8h6 d1g4 d8h4 c3d5
>  9(19).     34   2615707     13  h6f8 e7f8 f3f4 f5d4 a1c1 f8h6 d1g4 d8h4 c3d5
> 10(21)&     50   3869473     11  h6f8 e7f8 f3f4 f5d4 g1h1 f8h6 e1g1 d4c2 d1c2
>b3c2 c3d5
> 10(22).    139  10830692     11  h6f8 e7f8 f3f4 f5d4 g1h1 f8h6 e1g1 d4c2 d1c2
>b3c2 c3d5
> 11(22)&    181  14053854      1  h6f8 e7f8 f3f4 c6d4 g1h1 f8b4 e1g1 d8h4 d1g4
> 11(23).    474  36883598      1  h6f8 e7f8 f3f4 c6d4 g1h1 f8b4 e1g1 d8h4 d1g4
> 12(24)&    701  54515909    -12  h6f8 e7f8 g1h1 c6d4 e1g1 f8b4 d2f4 g8h8 f4g4
>b4c3
> 12(24).   1104  84715585    -12  h6f8 e7f8 g1h1 c6d4 e1g1 f8b4 d2f4 g8h8 f4g4
>b4c3
>
>
>The full game:
>
>[Event "ICC 15 3"]
>[Site "Internet Chess Club"]
>[Date "2003.01.16"]
>[Round "-"]
>[White "thebaron"]
>[Black "QuarkX"]
>[Result "1-0"]
>[ICCResult "Black resigns"]
>[WhiteElo "2458"]
>[BlackElo "2476"]
>[Opening "Ruy Lopez: Morphy defense"]
>[ECO "C77"]
>[NIC "RL.12"]
>[Time "15:32:14"]
>[TimeControl "900+3"]
>
>1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. O-O Be7 7. Re1 O-O 8.
>e5 Ne8 9. Bf4 b5 10. Bb3 d5 11. c3 Bg4 12. cxd4 Bxf3 13. gxf3 Na5 14. Bc2 g6
>15. Nc3 Ng7 16. a4 b4 17. Ne2 c5 18. Bh6 c4 19. Qd2 b3 20. Bd1 Nc6 21. Nc3
>Nf5 22. Bxf8 Kxf8 23. f4 Bb4 24. e6 Qa5 25. exf7 Ncxd4 26. Re5 Rd8 27. Qe1
>Kxf7 28. Bg4 Kg7 29. Rc1 h5 30. Bd1 Kf7 31. Rb1 Nc6 32. Re6 Nfd4 33. f5 Nxf5
>34. Rxc6 Nd4 35. Rxg6 Kxg6 36. Qe5 Bxc3 37. Kh1 Nc6 38. Bxh5+ {Black
>resigns} 1-0



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