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Fischer-Sozin Attack with World Champions

kj63
May 11, 2015, 2:14 AM 4

I have a database of 28 000 games that includes only the games of World Champions from Morphy to Carlsen. The very excellent freeware "Scid vs. PC" has a function "Opening Report" that gives a report from any given position, and I tested this with Bobby Fischer's favorite Sozin Attack position:


Here is the report. The opening table in the end is interesting (as said this a table only from the games by World Champions).

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4 e6 7.Bb3

Database: wcdbscidformat (28,591 games)
Report:  1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4 e6 7.Bb3 (53 games)
ECO: B86 [Sicilian: Sozin-Najdorf, 7.Bb3]
Generated by Scid vs. PC 4.14, 2015.05.10

1. Statistics and History

1.1 Statistics
                   Games     1-0     =-=     0-1    Score
-----------------------------------------------------------
 All report games     53      13      17      23    40.5%
-----------------------------------------------------------

1.2 Oldest games
  1:  0-1(23) Klavins - Tal, Riga LAT 1958 [5]
  2:  0-1(23) Kliavin J - Tal, URS 1958 [5]
  3:  =-=(27) Fischer Robert - Evans Larry, New York ch-US  Rd: 8 1958 [4]
  4:  0-1(52) Fischer R - Tal, Bled ct 1959 [20]
  5:  0-1(33) Benko - Tal, Bled ct 1959 [19]

1.3 Newest games
  1:  0-1(33) Naiditsch 2574 - Anand 2774, Dortmund GER 2003 [11]
  2:  0-1(57) Morozevich 2749 - Kasparov 2827, Astana KAZ 2001 [33]
  3:  0-1(44) Bauer 2618 - Kasparov 2849, Cannes FRA 2001 [16]
  4:  0-1(37) Reinderman 2540 - Anand 2780, Wijk aan Zee NED 1999 [23]
  5:  0-1(48) Reinderman 2542 - Kasparov 2812, Wijk aan Zee NED 1999 [1]

1.4 Current popularity
Year               1800-99 1900-49 1950-69 1970-79 1980-89 1990-99 2000-09
Once every X games   ---     ---     281     587     863     259    1245 

1.5 Most frequent players (White)
  1:   9       1993  50%  2665  Short, Nigel D [1,3,12,14,16,28,31,33,...]
  2:   8  1958-1970  75%        Fischer Robert [2,4,9,15,21,24,25,29]
  3:   3  1991-1994  83%  2805  Kasparov, Garry [32,34,35]
  4:   2       1996 100%  2700  Topalov, Veselin [12,13]
  5:   2       1989  50%  2620  Ehlvest, Jaan [11]
  6:   2       1999   0%  2542  Reinderman, Dimitri [1,23]

1.6 Most frequent players (Black)
  1:  19  1976-2001  63%  2849  Kasparov, Garry [1,3,4,6,11,12,14,16,...]
  2:  10  1958-1989  80%        Tal, Mikhail [5,9,11,19,20,27,30]
  3:   4  1996-2003  75%  2780  Anand, Viswanathan [11,13,23]
  4:   3  1991-1994  17%  2690  Gelfand, Boris [32,34,35]
  5:   3  1967-1968  67%        Petrosian, Tigran V [7,10,24]
  6:   2  1966-1967 100%        Fischer Robert [19,22]

2. Ratings and Performance

2.1 Average ratings and performance
White rating: 2626 (25 games);  White performance: 2668 (40% vs 2740)
Black rating: 2740 (26 games);  Black performance: 2683 (58% vs 2626)

2.2 Games with highest average rating
  1:  0-1(57) Morozevich 2749 - Kasparov 2827, Astana KAZ 2001 [33]
  2:  1-0(25) Kasparov 2805 - Gelfand 2690, Linares 1993 [35]
  3:  =-=(38) Kasparov 2800 - Gelfand 2680, Moscow RUS 1994 [34]
  4:  0-1(39) Short 2665 - Kasparov 2815, London ENG 1993 [28]
  5:  1-0(66) Topalov 2700 - Kasparov 2775, Amsterdam NED 1996 [12]
  6:  0-1(44) Bauer 2618 - Kasparov 2849, Cannes FRA 2001 [16]
  7:  =-=(33) Short 2655 - Kasparov 2805, London ENG 1993 [34]
  8:  =-=(36) Short 2655 - Kasparov 2805, London ENG 1993 [33]

3. Result Trends


3.1 Result lengths and frequencies
                 Score      Game length             Frequency      
                          1-0    =-=    0-1    1-0     =-=     0-1 
 Report games    40.5%     34     34     36   24.5%   32.0%   43.3%
 All games       56.4%     41     35     42   34.7%   43.0%   21.8%

3.2 Shortest wins (White)
  1:  1-0(21) Tal - Mukhin M, Baku URS ch 1972 [26]
  2:  1-0(22) Fischer Robert - Bednarsky J, Havana ol 1966 [15]
  3:  1-0(23) Fischer Robert - Gadia, Mar del Plata  Rd: 3 1960 [24]
  4:  1-0(24) Fischer Robert - Rubinetti, Palma de Mallorca iz  Rd: 17 1970 [25]
  5:  1-0(25) Kasparov 2805 - Gelfand 2690, Linares 1993 [35]

3.3 Shortest wins (Black)
  1:  0-1(21) Perez Perez - Smyslov, Havana CUB 1962 [8]
  2:  0-1(21) Soruco Garcia J - Fischer Robert, Havana ol prel  Rd: 6 1966 [19]
  3:  0-1(23) Klavins - Tal, Riga LAT 1958 [5]
  4:  0-1(23) Kliavin J - Tal, URS 1958 [5]
  5:  0-1(24) Alvarez - Spassky, Margate ENG 1960 [19]

4. Moves and Themes

4.1 Move orders reaching the report position
There were 4 move orders reaching this position:
  1:  1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4 e6 7.Bb3 (50)
  2:  1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 e6 6.Bc4 a6 7.Bb3 (1)
  3:  1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Nf6 6.Bc4 e6 7.Bb3 (1)
  4:  1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bc4 a6 7.Bb3 (1)

4.2 Moves from the report position
    Move      Frequency    Score  AvElo Perf AvYear Draw ECO
 1: b5         27: 50.9%   42.5%  2712  2700  1978  26% B87 
 2: Nbd7       12: 22.6%   50.0%  2763  2634  1992  50%     
 3: Be7        10: 18.8%   20.0%              1967  20% B86 
 4: Nc6         4:  7.5%   50.0%              1986  50%     
__________________________________________________________________
TOTAL:         53:100.0%   40.5%  2740  2690  1980  32%

4.3 Positional Themes
Frequency of themes in the first 20 moves of each game
   Same-side castling             64%    White Isolated Queen Pawn       0%
   Opposite castling              15%    Black Isolated Queen Pawn      13%
   Queens exchanged                4%    White Pawn on 5/6/7th rank     62%
   Only one side has Bishop pair  38%    Black Pawn on 2/3/4th rank     55%
   Kingside pawn storm             9%    Open c/d/e file                34%

4.4 Endgames
Material at the end of each game:
                   P     BN      R   R,BN      Q   Q,BN    Q,R Q,R,BN
 Report games     0%     0%     8%    21%     0%     0%     2%    70%
 All games        2%    10%     9%    27%     2%     5%     4%    40%

5. Theory Table

Comments:

Fischer played originally 7.0-0 in his junior years but improved with 7.Bb3 saying the move "useful tempo move that limits black's options".

7...Nc6 is a move used by Anand with a good success. Otherwise it does not seem to give b much compared to other replies. 8.f4 was Fischer's reply with a pefect record against lower rated opposition.

7...Be7 was used first (by a WC) by Tal. Replies 8.0-0 and 8.f4 were both tried first by Fischer, but both with limited success. 7...Be7 has excellent record for black against Fischer-Sozin in WC's games.

7...Ndb7 was used first by Kasparov and the move has a quite poor record for b. Fischers reply was 9.f5, Kasparov played 9.e5 against it and the latter having a little better record for w.

7...b5 was second Tal's reply by which he scored the famous victory against Fischer. Fischer's original reply was 8.f4 and that move still has a poor record for w and excellent for black. 8.0-0 was Fischer's improvement and this seems to be even a refutaion to 7..b5. All black's main replies have poor results total. 8...Bb7 was Petrosian's reply, the "main line" that Fischer recommended in "60 games" 8...Be7 was first used by Smyslov. The line after 10...0-0 and 11.Bh6 was tested by Boris Gelfand against Kasparov in Linares 93 with 11...Ne8 with poor results. Only move that has a positive score against 8.0-0 is Anand's 8...b4, used twice by Anand, where after 9.Na4 b does not take e-pawn ..Nxe4, but plays 9...Bd7 with pressure to the Q-side.
-------------------------------------------------------------------------------
  1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bc4 e6 7.Bb3: +13 =17 -23 (21.5/53: 41%)
-------------------------------------------------------------------------------
     7        8        9       10       11       12       13       14    
-------------------------------------------------------------------------------
 1  Bb3      f4[1]    Be3      Qf3      Bd4      Bf6      e5       g3        4:
    Nc6      Be7[2]   OO       Nd4      b5       Bf6      Bh4      Rb8[3]   50%

 2  ...      OO[4]    Qe2[6]   a3       Rd1      Bg5      f3       Kh1       6:
    Be7      b5[5]    OO       Bb7      Nbd7     Rc8      Qb6      Nc5[7]    8%

 3  ...      f4       f5[9]    Nde2     Ng3      Bg5      Bf6      Be7       4:
    ...      OO[8]    e5       Nbd7     b5       b4       bc3      Qe7[10]  38%

 4  ...      f4[11]   e5[12]   fe5      Bf4      Qg4[13]  Qg3      Qg4       7:
    Nbd7     Nc5      de5      Nfd7     b5       h5       h4       g5[14]   57%

 5  ...      ...      f5       OO[16]   fe6      Nf5      Ne7      ab3       5:
    ...      ...      Be7[15]  OO[17]   fe6      Nb3      Qe7      b5[18]   40%

 6  ...      f4[19]   f5       Nde2     Bg5      Ng3[21]  OO       h4        9:
    b5       Bb7[20]  e5       Nbd7     Be7      Rc8      h5       b4[22]   11%

 7  ...      OO       Re1[24]  Bg5      Bd5      Bb7      Nd5      ed5       6:
    ...      Bb7[23]  Nbd7     Nc5[25]  b4       Nb7      ed5      Kd7[26]  58%

 8  ...      ...      Qf3[27]  Qg3      Nc6      Re1      a3[30]   f3        6:
    ...      Be7      Qc7[28]  Nc6[29]  Qc6      Bb7      Rd8      OO[31]   58%

 9  ...      ...      ...      ...      Bh6      Rad1[32] Nf3[33]  Ne2       6:
    ...      ...      ...      OO       Ne8      Bd7      b4[34]   a5[35]   58%

-------------------------------------------------------------------------------


[1]  8.Be3 Be7 9.f4 OO 10.OO Nxd4 11.Bxd4 b5 12.e5 dxe5 13.fxe5 Nd7 14.Ne4 Bb7 15.Nd6 Bxd6 =-=(39) Short 2655 - Kasparov 2805, London ENG 1993;  8...Qc7 9.f4 Be7 10.Qf3 OO 11.OOO Nxd4 12.Rxd4 b5 13.g4 e5 14.Nd5 Nxd5 15.Rxd5 b4 0-1(48) Reinderman 2542 - Kasparov 2812, Wijk aan Zee NED 1999.

[2]  8...Na5 9.f5 Nxb3 10.axb3 Be7 11.Qf3 OO 12.Be3 Bd7 13.g4 e5 14.Nde2 d5 15.exd5 e4 1-0(38) Fischer Robert - Bielicki, Mar del Plata  Rd: 9 1960.

[3]  15.gxh4 Bb7 =-=(40) Short 2655 - Kasparov 2805, London ENG 1993.

[4]  8.Be3 b5 9.Qe2 Bb7 10.f3 Nc6 11.Nxc6 Bxc6 12.OOO Qb8 13.g4 a5 14.a4 bxa4 15.Nxa4 Nd7 0-1(27) Bellet - Kasparov 2750, Evry 1988;  8...OO 9.OO Nc6 10.f4 Na5 11.g4 d5 12.e5 Nd7 13.Qf3 Qc7 14.h4 Nc4 15.Bxc4 dxc4 =-=(27) Fischer Robert - Evans Larry, New York ch-US  Rd: 8 1958.

[5]  8...OO 9.f4 b5 10.a3 Nbd7 11.Be3 Bb7 12.Bxe6 fxe6 13.Nxe6 Qe8 14.Qd4 Rc8 15.Rae1 Rc4 0-1(23) Klavins - Tal, Riga LAT 1958;   0-1(23) Kliavin J - Tal, URS 1958.

[6]  9.a3 OO 10.Be3 Bb7 11.f3 Nc6 12.Nxc6 Bxc6 13.Qd2 Nd7 14.Rfd1 Qc7 15.Qf2 Rfe8 0-1(46) Sarapu 2290 - Kasparov 2595, Lucerne SUI 1982.

[7]  15.Ba2 Rfe8 0-1(37) Giustolisi - Petrosian, Lugano SUI 1968.

[8]  8...Nbd7 9.Qf3 h5 10.Be3 Qc7 11.OOO Nc5 12.f5 e5 13.Nde2 Nxb3+ 14.axb3 b5 15.Bg5 Bb7 1-0(31) Fischer - Lontoc, Meralco 1967.
       8...Nc6 9.Be3 OO 10.Qf3 Qc7 11.OOO Nxd4 12.Bxd4 b5 13.g4 b4 14.Ne2 Bb7 15.Ng3 a5 0-1(21) Perez Perez - Smyslov, Havana CUB 1962.

[9]  9.Qf3 Qc7 10.OO b5 11.f5 b4 12.Na4 e5 13.Ne2 Bb7 14.Ng3 Nbd7 15.Be3 Bc6 0-1(33) Fischer Robert - Tal, Yugoslavia ct  Rd: 21 1959.

[10]  15.bxc3 Nf6 =-=(38) Bilek - Petrosian, Moscow RUS 1967.

[11]  8.Bg5 h6 9.Bh4 Qa5 10.OO Qh5 11.Qxh5 Nxh5 12.f3 b6 13.Rfd1 Bb7 14.Bc4 Be7 15.Bf2 Rc8 =-=(23) Ehlvest 2620 - Kasparov 2775, Skelleftea SWE 1989;  10.f3 Be7 11.Qe2 Nc5 12.OO Bd7 13.Rad1 b5 14.e5 dxe5 15.Qxe5 b4 =-=(25) Ehlvest - Tal, Skelleftea 48/339 1989;  8...Qa5 9.Qd2 Be7 10.f3 Nc5 11.OOO Qc7 12.Kb1 OO 13.h4 b5 14.a3 Rb8 15.h5 h6 0-1(33) Naiditsch 2574 - Anand 2774, Dortmund GER 2003.

[12]  9.OO Ncxe4 10.Nxe4 Nxe4 11.f5 e5 12.Qh5 Qe7 13.Qf3 Nc5 14.Nc6 Qc7 15.Bd5 a5 1-0(66) Topalov 2700 - Kasparov 2775, Amsterdam NED 1996.
       9.Qf3 b5 10.f5 Bd7 11.fxe6 fxe6 12.Bg5 Be7 13.OOO OO 14.e5 Nfe4 15.Bxe7 Qxe7 =-=(43) Short 2655 - Kasparov 2805, London ENG 1993.

[13]  12.Qe2 Bb7 13.OOO Qb6 14.Kb1 Be7 15.h4 OOO 1-0(28) Topalov 2700 - Anand 2725, Wijk aan Zee NED 1996.

[14]  15.OOO Qe7 =-=(41) Short 2655 - Kasparov 2805, London ENG 1993.

[15]  9...Nfxe4 10.fxe6 Qh4+ 11.g3 Nxg3 12.Nf3 Qh5 13.exf7+ Kd8 14.Rg1 Nf5 15.Nd5 Qxf7 1-0(22) Fischer Robert - Bednarsky J, Havana ol 1966.

[16]  10.fxe6 fxe6 11.OO Nxb3 12.axb3 OO 13.Be3 Bd7 14.Kh1 Qe8 15.Qe2 Qg6 0-1(44) Bauer 2618 - Kasparov 2849, Cannes FRA 2001.
       10.Qf3 OO 11.Be3 e5 12.Nde2 b5 13.Bd5 Rb8 14.b4 Ncd7 15.OO Nxd5 =-=(31) Short 2655 - Kasparov 2805, London ENG 1993.

[17]  10...e5 11.Nde2 h6 12.Be3 Nxb3 13.axb3 OO 14.Ng3 b5 15.Nh5 Bb7 0-1(64) Anand 2670 - King 2505, Kolkata 1992.

[18]  15.Bf4 e5 =-=(30) German 2495 - Kasparov 2820, Buenos Aires ARG 1997.

[19]  8.f3 Be7 9.Be3 OO 10.Qd2 Qc7 11.g4 Nc6 12.Nxc6 Qxc6 13.g5 Nd7 14.Nd5 Bd8 15.a4 Ne5 0-1(33) Benko - Tal, Bled ct 1959;
       8.a3 Be7 9.OO OO 10.Kh1 Bb7 11.Re1 Nbd7 12.Bg5 Nc5 13.Bxf6 Bxf6 14.f4 Qb6 15.Qd2 Nxe4 0-1(24) Alvarez - Spassky, Margate ENG 1960;  9.Be3 OO 10.OO Bb7 11.f3 Nbd7 12.Qd2 Ne5 13.Qf2 Qc7 14.Rac1 Kh8 15.Nce2 Rg8 0-1(21) Soruco Garcia J - Fischer Robert, Havana ol prel  Rd: 6 1966.
       8.Qe2 Be7 9.Be3 OO 10.f3 Bb7 11.OOO Nbd7 12.g4 Nc5 13.g5 Nfd7 14.h4 Rc8 15.Kb1 b4 0-1(37) Boensch - Tal, Halle GER 1974.

[20]  8...Be7 9.OO OO 10.e5 dxe5 11.fxe5 Nfd7 12.Qh5 Bc5 13.Be3 Bxd4 14.Bxd4 Nc6 15.Rf4 Nxd4 0-1(43) Tiliskin - Kasparov, Tbilisi GEO 1976.
       8...b4 9.Na4 Nxe4 10.OO g6 11.f5 gxf5 12.Nxf5 Rg8 13.Bd5 Ra7 14.Bxe4 exf5 15.Bxf5 Re7 0-1(52) Fischer R - Tal, Bled ct 1959.

[21]  12.Bxf6 Nxf6 13.Qd3 Rc8 14.OO OO 15.Ng3 Rc5 1-0(56) Fischer Robert - Zuckerman, New York ch-US  Rd: 6 1965.

[22]  15.Bxf6 Bxf6 0-1(28) Byrne - Fischer Robert, Sousse izt  Rd: 12 1967.

[23]  8...b4 9.Na4 Bd7 10.f4 Nc6 11.Be3 Rb8 12.c3 Be7 13.e5 dxe5 14.fxe5 Nxe5 15.Bf4 Ng6 0-1(34) Lautier 2660 - Anand 2765, Biel SUI 1997;  11.f5 e5 12.Nf3 h6 13.Qe1 Be7 14.Qg3 Kf8 15.Qe1 Rb8 0-1(37) Reinderman 2540 - Anand 2780, Wijk aan Zee NED 1999.

[24]  9.Bxe6 fxe6 10.Nxe6 Qd7 11.Nd5 Bxd5 12.exd5 Kf7 13.g4 h6 14.f4 Qa7+ 15.Kh1 Nbd7 =-=(28) Klundt - Petrosian, Bamberg 1968.
       9.f4 Nc6 10.Nxc6 Bxc6 11.f5 e5 12.Qd3 Be7 13.Bg5 Qb6+ 14.Kh1 OO 15.Bxf6 Bxf6 1-0(23) Fischer Robert - Gadia, Mar del Plata  Rd: 3 1960.

[25]  10...h6 11.Bh4 Nc5 12.Bd5 exd5 13.exd5+ Kd7 14.b4 Na4 15.Nxa4 bxa4 1-0(24) Fischer Robert - Rubinetti, Palma de Mallorca iz  Rd: 17 1970.

[26]  15.c3 b3 1-0(21) Tal - Mukhin M, Baku URS ch 1972.

[27]  9.f4 OO 10.e5 dxe5 11.fxe5 Nfd7 12.Qf3 Nxe5 13.Qe4 Bc5 14.Be3 Nbc6 15.Nxc6 Bxe3+ =-=(28) Bronstein - Tal, Moscow Ale mem 1971.
       9.f3 OO 10.Be3 Bd7 11.Qe1 Nc6 12.Nxc6 Bxc6 13.Ne2 Qb8 14.Nd4 Bd7 15.c3 a5 =-=(42) Govbinder 2200 - Kasparov 2200, Moscow RUS 1979.

[28]  9...Qb6 10.Be3 Qb7 11.Qg3 b4 12.Na4 Nbd7 13.f3 OO 14.Rad1 Kh8 15.Rfe1 Rb8 0-1(39) Short 2665 - Kasparov 2815, London ENG 1993.

[29]  10...b4 11.Nce2 g6 12.c3 Nxe4 13.Qe3 Nf6 14.cxb4 OO 15.Bd2 e5 =-=(43) Fischer Robert - Olafsson, Buenos Aires  Rd: 12 1960.

[30]  13.f3 h5 14.h3 h4 15.Qf2 Nh5 1-0(35) Magomedov - Tal, Tallinn EST 1988.

[31]  15.Bh6 Ne8 1-0(38) Short 2655 - Kasparov 2805, London ENG 1993.

[32]  12.Rfe1 Bd7 13.a4 b4 14.Nce2 Kh8 15.Bg5 Bxg5 1-0(36) Kasparov 2770 - Gelfand 2665, Paris FRA 1991.

[33]  13.f4 Nc6 14.f5 Nxd4 15.Rxd4 Bf6 0-1(57) Morozevich 2749 - Kasparov 2827, Astana KAZ 2001.
       13.a3 Nc6 14.Nxc6 Bxc6 15.Bf4 Qb7 =-=(36) Short 2655 - Kasparov 2805, London ENG 1993.

[34]  13...Nc6 14.Bf4 Qb7 15.Rfe1 b4 =-=(38) Kasparov 2800 - Gelfand 2680, Moscow RUS 1994.
       13...a5 14.a4 b4 15.Ne2 Nc6 =-=(33) Short 2655 - Kasparov 2805, London ENG 1993.

[35]  15.Nf4 Kh8 1-0(25) Kasparov 2805 - Gelfand 2690, Linares 1993.

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