Opening Report

Database: 31-XII-2010 (4,399,153 games)
Report: 1.d4 Nf6 2.c4 c5 3.d5 d6 4.Nc3 g6 5.e4 b5 (114 games)
ECO: A56j [Benoni: Bronstein's Gambit]
Generated by Scid 4.2.2, 2011.03.04

BR BN BB BQ BK BB BR
BP :: BP BP :: BP
:: BP BN BP ::
:: BP BP WP :: ::
:: WP :: WP :: ::
:: WN :: ::
WP WP :: WP WP WP
WR WB WQ WK WB WN WR

1. Statistics and History

1.1 Statistics

                   Games     1-0     =-=     0-1    Score
-----------------------------------------------------------
 All report games    114      43      34      37    52.6%
-----------------------------------------------------------

1.2 Oldest games

1: 0-1(32) Dobias -- Opocensky, Prague 1934 [40]
2: 1-0(27) Ragozin -- Menchik, Moscow 1935.02.23 [50]
3: 1-0(45) Eliskases -- Opocensky, Prague 1937 [33]
4: 0-1(18) Van Scheltinga -- Opocensky, Buenos Aires 1939.09.15 [51]
5: =-=(36) Kellner -- Opocensky, Vienna 1947 [52]
6: 1-0(34) Bronstein -- Lundin, Saltsjobaden 1948 [27]
7: 1-0(34) Bronstein -- Lundin, 1948 [27]
8: 0-1(42) Taimanov -- Bronstein, Zuerich 1953.08.30 [53]

1.3 Newest games

1: 1-0(26) Ragger 2628 -- Colindres 2233, Khanty-Mansiysk RUS 2010.09.21 [8]
2: 0-1(29) Humbert -- Gerbaudo, ICCF 2008.12.01 [3]
3: =-=(19) Vaznonis 2417 -- Savickas 2373, Kaunas (Lithuania) 2008.05.21 [8]
4: =-=(37) Syatynya Ivan -- Nagy Laszlo (HUN) 2145, Halkidiki (Greece) 2008.05.03 [51]
5: 0-1(48) Yurkov 2332 -- Akhanov 2135, Novokuznetsk (Russia) 2008.03 [28]
6: =-=(67) Perdomo 2391 -- Moskow 2254, 2007 [39]
7: 1-0(30) Volak 2167 -- Pospisil, 2007 [8]
8: 1-0(54) Jiretorn 2117 -- Pasku 1892, 2006 [7]

1.4 Current popularity

Year               1800-99 1900-49 1950-69 1970-79 1980-89 1990-99 2000-09

Once every X games   ---    10829   8392    7789    25491   61333   73997
Frequency in all years: once every 38589 games
In the 10 years to today: once every 92261 games (down 57% from all years)
In the 5 years to today: once every 93171 games (down 58% from all years)
In the 1 year to today: once every 95448 games (down 59% from all years)

1.5 Most frequent players (White)

1: 4 1972-1973 50% Perman, Torvald [18,20,22]
2: 3 1972 67% Valve Timo [16,19,21]
3: 3 1987-1988 0% Gouw, Carol-Peter [49]
4: 2 2000-2002100% 2565 Izoria, Zviad [9,44]
5: 2 1948100% Bronstein, David I [27]
6: 2 1965 50% Pithart, Frantisek [34]

1.6 Most frequent players (Black)

1: 7 1934-1965 50% Opocensky, Karel [33,34,40,51,52]
2: 3 1962-1964 67% Garcia, Raimundo [32,40,53]
3: 3 1972-1973 83% Kupila Tapani [19,22]
4: 3 1987-1988 83% De Boer Reyer [23,31,49]
5: 2 2000100% 2254 Pirs Matjaz [23,45]
6: 2 2000 0% 2054 Hillgaertner, Walter [12,42]

2. Ratings and Performance

2.1 Average ratings and performance

White rating: 2290 (21 games); White performance: 2215 (55% vs 2179)
Black rating: 2179 (20 games); Black performance: 2149 (31% vs 2290)

2.2 Games with highest average rating

1: 0-1(42) Taimanov -- Bronstein, Zuerich 1953 [53]
2: =-=(28) Smejkal -- Plachetka, Harrachov 1966 [56]
3: 1-0(41) Gufeld -- Ibrahimov, Novosibirsk 1962 [12]
4: 1-0(73) Romanishin -- Hug, Schilde 1969 [36]
5: =-=(47) Tisdall -- Gretarsson, 1992 [46]
6: 1-0(31) Izoria 2565 -- Shengelia 2457, 2002 [9]
7: 1-0(34) Bronstein -- Lundin, Saltsjobaden 1948 [27]
8: 1-0(34) Bronstein -- Lundin, 1948 [27]

3. Result Trends

3.1 Result lengths and frequencies

                 Score      Game length             Frequency       
                          1-0    =-=    0-1    1-0     =-=     0-1  
 Report games    52.6%     40     38     34   37.7%   29.8%   32.4% 
 All games       53.9%     39     35     40   38.6%   30.5%   30.7%

3.2 Shortest wins (White)

1: 1-0(21) Mochalov -- Begun, 1988 [3]
2: 1-0(21) Schiffer -- Hug, Berlin West 1971 [6]
3: 1-0(25) Cacho Reigadas -- Martin L, 1997 [48]
4: 1-0(26) Ragger 2628 -- Colindres 2233, Khanty-Mansiysk RUS 2010 [8]
5: 1-0(26) Valve Timo -- Karjalainen Matti, 1972 [19]

3.3 Shortest wins (Black)

1: 0-1(17) Guerra -- Ferrer Sanchez, 1996 [23]
2: 0-1(18) Gallego Jimenez -- Rodriguez, 1994 [11]
3: 0-1(18) Van Scheltinga -- Opocensky, Buenos Aires 1939 [51]
4: 0-1(23) Chowaniec Waldemar -- Kulejewski Lech, 1993 [23]
5: 0-1(23) Chowaniec W -- Kulejewski Lech, 1992 [23]

4. Moves and Themes

4.1 Move orders reaching the report position

There were 11 move orders reaching this position:
1: 1.d4 Nf6 2.c4 c5 3.d5 d6 4.Nc3 g6 5.e4 b5 (57)
2: 1.d4 Nf6 2.c4 c5 3.d5 g6 4.Nc3 d6 5.e4 b5 (35)
3: 1.d4 Nf6 2.c4 g6 3.Nc3 c5 4.d5 d6 5.e4 b5 (10)
4: 1.d4 c5 2.d5 d6 3.c4 Nf6 4.Nc3 g6 5.e4 b5 (3)
5: 1.c4 Nf6 2.Nc3 g6 3.d4 c5 4.d5 d6 5.e4 b5 (2)
6: 1.c4 g6 2.d4 c5 3.d5 d6 4.Nc3 Nf6 5.e4 b5 (2)
7: 1.c4 Nf6 2.Nc3 g6 3.e4 d6 4.d4 c5 5.d5 b5 (1)
8: 1.c4 Nf6 2.d4 c5 3.d5 g6 4.Nc3 d6 5.e4 b5 (1)
9: 1.d4 Nf6 2.c4 g6 3.d5 c5 4.Nc3 d6 5.e4 b5 (1)
10: 1.d4 c5 2.d5 Nf6 3.c4 d6 4.Nc3 g6 5.e4 b5 (1)
11: 1.d4 c5 2.d5 Nf6 3.c4 g6 4.Nc3 d6 5.e4 b5 (1)

4.2 Moves from the report position

    Move   ECO       Frequency    Score  AvElo Perf AvYear %Draws
 1: cxb5             113: 99.1%   52.2%  2290  2193  1983   30%
 2: f3                 1:  0.8%  100.0%              1997    0%
_______________________________________________________________
TOTAL:               114:100.0%   52.6%  2290  2200  1983   30%

4.3 Positional Themes

Frequency of themes in the first 20 moves of each game:
Same-side castling: 90% White Isolated Queen Pawn: 12%
Opposite castling: 0% Black Isolated Queen Pawn: 0%
Kingside pawn storm: 7% White Pawn on 5/6/7th rank: 100%
Queens exchanged: 9% Black Pawn on 2/3/4th rank: 13%
Only one side has Bishop pair: 1% Open c/d/e file: 11%

4.4 Endgames

Material at the end of each game:
P BN R R,BN Q Q,BN Q,RQ,R,BN
Report games 2% 9% 12% 35% 1% 5% 6% 30%
All games 3% 9% 9% 25% 2% 4% 4% 43%

5. Theory Table

1.d4 Nf6 2.c4 c5 3.d5 d6 4.Nc3 g6 5.e4 b5: +43 =34 -37 (60/114: 53%)
678910111213
1 cxb51
a62 		f43
Bg7 		Nf34
OO 		bxa65
Bxa6 		Bxa6
Rxa6 		OO
Qb6 		Qe2
Nbd7 		e5
dxe56 		15: 53%
2 ...
... 		Nf3
Bg77 		a48
OO 		Ra39
axb5 		Bxb5
Ba6 		Qe210
Bxb5 		Nxb5
Re8 		Bf4
Nh511 		12: 71%
3 ...
... 		bxa6
Bxa612 		Nf313
Bxf1 		Kxf1
Bg714 		g315
OO16 		Kg2
Nbd7 		Re1
Ra6 		Qe2
Qa817 		10: 65%
4 ...
... 		...
... 		Bxa6
Nxa618 		Nf319
Bg7 		OO
OO20 		Nd221
Qb8 		Nc4
Nd7 		Qe2
Nc722 		11: 55%
5 ...
Bg7 		a423
a6 		Nf324
OO25 		Ra3
axb5 		Bxb5
Ba6 		OO
Bxb5 		axb5
Nbd7 		Bd2
Nb626 		14: 32%
6 ...
... 		Be2
OO27 		Nf3
a6 		bxa628
Bxa6 		OO29
Nbd7 		Bxa6
Rxa6 		Qe2
Rb6 		h3
Qb830 		5: 60%
7 ...
... 		Bd3
OO31 		Nge232
a6 		bxa633
Bxa6 		OO
Qb6 		Rb1
Nbd7 		Bf4
Nh5 		Bxa6
Qxa634 		7: 43%
8 ...
... 		Nf3
a6 		bxa635
OO36 		Be2
Bxa6 		OO
Nbd737 		Bxa638
Rxa6 		Qe2
Qa8 		Bf4
Ng439 		5: 70%
9 ...
... 		...
OO 		h340
a6 		bxa6
Bxa641 		Bxa6
Rxa642 		OO
Nbd7 		Be3
Qa8 		Nd2
Nb643 		11: 64%
10 ...
... 		...
... 		Nd2
a644 		bxa645
Bxa6 		Bxa6
Nxa6 		Nc4
Nd7 		OO
Nb6 		Ne3
Qd746 		5: 50%
11 ...
... 		...
... 		a4
a6 		Ra347
Nbd7 		h3
axb548 		Bxb5
Ba6 		Nd2
Qc7 		Qe2
Bxb549 		5: 40%
12 ...
... 		...
... 		Be2
a650 		bxa651
Bxa652 		OO
Nbd753 		Bxa654
Rxa6 		Qe2
Qa8 		e555
dxe556 		14: 39%
  1. 6.f3 bxc4 7.Bxc4 Bg7 8.Nge2 OO 9.OO a5 10.Be3 Ba6 11.Nb5 Ne8 12.Nec3 Nc7 13.a4 Bxb5 14.axb5 Nd7 15.f4 Nb6 16.Be2 e6 17.dxe6 Nxe6 18.f5 Nd4 19.Bd3 Re8 20.Qg4 Qd7 21.Qh4 Be5 22.f6 d5 23.Qh6 Ne6 1-0(40) Hlinka -- Bochnickova, 1997.

  2. 6...Nbd7 7.Nf3 Bg7 8.Qc2 OO 9.Bf4 Ng4 10.h3 Nge5 11.Be2 a6 12.Nxe5 Nxe5 13.bxa6 Bxa6 14.Bxa6 Rxa6 15.OO Qb6 16.Kh1 Rb8 17.Rab1 Qb4 18.Bxe5 Bxe5 19.f4 Bg7 20.Qe2 Qb7 21.e5 Rb6 22.Rf2 e6 23.dxe6 fxe6 =-=(30) Mohrenstecher -- Adam, Detmold 1972.

  3. 7.f3 Bg7 8.Be3 OO 9.Qd2 Qa5 10.b6 Nbd7 11.Bd3 Nxb6 12.Nge2 Bd7 13.OO Na4 14.Nxa4 Qxd2 15.Bxd2 Bxa4 16.Nc3 Bd7 17.Rab1 Rfb8 18.b3 Ne8 19.Rfc1 Nc7 20.Ne2 Nb5 21.b4 c4 22.Bxc4 Na3 23.Bb3 Nxb1 0-1(39) Horstmann -- Huetter Peter, 1995; 8.Bd2 OO 9.Bc4 axb5 10.Nxb5 Nbd7 11.Bc3 Nb6 12.b3 Bd7 13.Ne2 Nxc4 14.bxc4 Bxb5 15.cxb5 Ra3 16.OO Qb6 17.Qc1 Rfa8 18.Qb2 h5 19.g3 Bh6 20.Kg2 Nd7 21.Rfb1 Be3 22.h4 c4 23.Bb4 Rd3 0-1(32) Hoffmann Werner [Homburg -- Meinhardt, 1995.
    7.b6 Qxb6 8.a4 Nbd7 9.a5 Qc7 10.f4 Bg7 11.Bc4 OO 12.Nf3 Rb8 13.OO Rb4 14.Qe2 Nb8 15.Ra2 e6 16.e5 Ne8 17.Bd2 Kh8 18.b3 f5 19.dxe6 Bb7 20.Nd5 Bxd5 21.Bxd5 Rb5 22.Bc4 Rb7 23.Bc3 Nc6 1-0(43) Schenk -- Richter, 1994; 8...a5 9.Bb5+ Bd7 10.Qe2 Bg7 11.f4 OO 12.Nf3 e6 13.dxe6 Bxe6 14.OO Nc6 15.Rd1 Rad8 16.Nd5 Bxd5 17.exd5 Nb4 18.Bc4 Rfe8 19.Qf1 Qb7 20.Bd2 Nfxd5 21.Bxd5 Nxd5 22.Bxa5 Ne3 23.Qb5 Qxb5 =-=(26) Boenisch -- Moeller Martin, 1992.
    7.Qc2 Bg7 8.Bc4 OO 9.Nge2 Nbd7 10.a4 Nb6 11.b3 axb5 12.Bxb5 Ba6 13.Bb2 Bxb5 14.Nxb5 Nbd7 15.OO Qb6 16.Nec3 Ne5 17.h3 Rfc8 18.Kh1 c4 19.b4 Nd3 20.Ba3 Nxe4 21.Nxe4 Bxa1 22.Rxa1 f5 23.Ng5 Nxf2+ =-=(48) Gromova 2210 -- Bronnikova 2243, 2006; 8.Nf3 OO 9.Rb1 Qa5 10.Nd2 axb5 11.Bxb5 Na6 12.a3 Nc7 13.Bd3 Ba6 14.Nc4 Bxc4 15.Bxc4 Nd7 16.Bd2 Ne5 17.Be2 Rfb8 18.OO Qb6 19.Be3 Qb3 20.Qxb3 Rxb3 21.f4 Nd7 22.Bc4 Rb7 23.Rfc1 Nb6 0-1(56) Cadiou -- Sirch 2215, 2000.
    7.a4 axb5 8.Bxb5+ Nfd7 9.f4 Bg7 10.Nf3 Ba6 11.Bd2 OO 12.OO Bxb5 13.axb5 Rxa1 14.Qxa1 Qb6 15.Re1 Bxc3 16.Bxc3 Qxb5 17.f5 Na6 18.Qc1 Nc7 19.Qh6 Ne8 20.Ng5 Nef6 21.Nxh7 1-0 Mochalov -- Begun, 1988.
    7.Bd2 Bg7 8.a4 OO 9.f3 Nbd7 10.Nh3 Ne8 11.Nf2 Bd4 12.bxa6 Bxa6 13.Bxa6 Rxa6 14.OO Qb6 15.Qc2 Nc7 16.Kh1 Rb8 17.Nfd1 Ra7 18.f4 Qa6 19.Rf3 Rab7 20.Ra3 Bg7 21.Be3 Qc4 22.Bc1 Bd4 23.Qd3 Nb6 =-=(44) Purdy -- Endzelins, Adelaide 1960.
    7.Bd3 Bg7 8.Nge2 Nbd7 9.bxa6 OO 10.OO Ne5 11.Bb5 Bxa6 12.Bxa6 Rxa6 13.f4 Ned7 14.Ng3 Nb6 15.Qe2 Qa8 16.Be3 Nfd7 17.Rf2 Na4 18.Rc1 Qb7 19.Nxa4 Rxa4 20.b3 Ra6 21.Qd3 Rfa8 22.Rcc2 Nf6 23.h3 h5 1-0(50) Werner -- Adam, Loehne 1971.
    7.Be3 Bg7 8.Bc4 OO 9.Nge2 Nbd7 10.OO Ne5 11.b3 Nfg4 12.Ng3 Nxc4 13.bxc4 Bxc3 14.Rb1 Nxe3 15.fxe3 axb5 16.Qb3 b4 17.Rf2 Ra3 18.Qc2 Ba6 19.Qe2 Qa5 20.Rf4 Rxa2 21.Qg4 Bxc4 22.Nf5 Be2 23.Nxe7+ Kh8 0-1(29) Humbert -- Gerbaudo, ICCF 2008.

  4. 8.bxa6 Bxa6 9.Bxa6 Rxa6 10.Qe2 Qa5 11.Qb5+ Qxb5 12.Nxb5 Ra4 13.Nc3 Rc4 14.e5 Nh5 15.Nge2 dxe5 16.b3 Rb4 17.Ba3 exf4 18.OOO Rb7 19.Bxc5 Na6 20.Bd4 e5 21.dxe6 fxe6 22.Bxg7 Rxg7 23.Rd6 Nc7 =-=(25) Moody -- Flynn Jeff, 1990.

  5. 9.Qc2 axb5 10.Bxb5 Ba6 11.OO Qb6 12.Bxa6 Rxa6 13.h3 Nbd7 14.Kh1 Rfa8 15.a3 Qb7 16.Be3 Nb6 17.Nd2 Na4 18.Rfb1 Nd7 19.Nxa4 Rxa4 20.Nc4 Qa6 21.Rc1 Nb6 22.Nxb6 Qxb6 23.Rab1 Qb7 =-=(40) Krueger -- Schulz Manfred, 2005.

  6. 14.fxe5 Ng4 15.Bf4 Rfa8 16.Rae1 c4+ 17.Kh1 Qc5 18.h3 Nh6 19.Qd2 g5 20.Nxg5 Rg6 21.Nf3 1-0 Schiffer -- Hug, Berlin West 1971.

  7. 7...Nbd7 8.bxa6 Bg7 9.Be2 OO 10.OO Bxa6 11.Bxa6 Rxa6 12.h3 Nb6 13.Qe2 Qa8 14.a3 Rb8 15.Rb1 Nfd7 16.Bg5 Kf8 17.Qe1 Na4 18.Bh6 Rab6 19.Nxa4 Qxa4 20.Qc3 Nf6 21.Bxg7+ Kxg7 22.Nd2 Kg8 23.Rfe1 Nd7 1-0(46) Khodos -- Ibrahimov, Novosibirsk 1962.
    7...axb5 8.Bxb5+ Bd7 9.Bc4 Bg7 10.OO OO 11.h3 Qb6 12.Qb3 Qc7 13.Bf4 Na6 14.a3 Rfb8 15.Qc2 Qb6 16.b3 Nc7 17.a4 Na6 18.Rac1 Nb4 19.Qe2 Bc8 20.e5 Ne8 21.exd6 Nxd6 22.Qxe7 Bf8 23.Qe2 Bf5 1-0(54) Jiretorn 2117 -- Pasku 1892, 2006.

  8. 8.Bd3 OO 9.OO axb5 10.Bxb5 Ba6 11.Bxa6 Nxa6 12.Re1 Nd7 13.Bf4 Bxc3 14.bxc3 f6 15.Nd2 Qa5 16.Qc2 Nc7 17.Reb1 Rfb8 18.Rxb8+ Nxb8 19.Nc4 =-= Vaznonis 2417 -- Savickas 2373, Kaunas (Lithuania) 2008; 9...Nfd7 10.Qe2 Qb6 11.a4 axb5 12.Bxb5 Ba6 13.Bg5 Re8 14.Nd2 Bxb5 15.Nxb5 Qb7 16.Nc4 Ra6 17.Bd2 Ne5 18.Ne3 Ra8 19.Bc3 Na6 20.f4 Nd7 21.Nc4 Nb4 22.Bxg7 Kxg7 23.b3 Ra6 1-0(30) Volak 2167 -- Pospisil, 2007; 9.a4 axb5 10.Nxb5 Na6 11.Qe2 Nb4 12.Bc4 Nxe4 13.OO Nf6 14.Nc3 Bb7 15.Rd1 h6 16.Bf4 Kh7 17.Rd2 Nh5 18.Be3 f5 19.Rdd1 Nf6 20.Ne1 Ng4 21.Rac1 Ne5 22.Nf3 Nxc4 23.Qxc4 f4 1-0(41) Braun -- Uschold Jens, 1985.
    8.Be2 OO 9.OO axb5 10.Bxb5 Ba6 11.Re1 Bxb5 12.Nxb5 Qb6 13.a4 Nbd7 14.Bd2 c4 15.Be3 Nc5 16.Nd2 Qa5 17.Bxc5 dxc5 18.Nxc4 Qb4 19.Qc2 Rfb8 20.Ne5 Nxe4 21.Nc6 Qxb2 22.Qxb2 Bxb2 23.Rab1 Rb6 1-0(26) Ragger 2628 -- Colindres 2233, Khanty-Mansiysk RUS 2010.
    8.bxa6 OO 9.h3 Qb6 10.Be2 Bxa6 11.OO Nbd7 12.Re1 Rfb8 13.Qc2 Bxe2 14.Rxe2 Qb4 15.a3 Qb3 16.Qxb3 Rxb3 17.Nd2 Rb7 18.Nc4 Nb6 19.Nxb6 Rxb6 20.Kf1 Nd7 21.Rc2 Ne5 22.Ke2 Nc4 23.a4 Nxb2 =-=(34) Popov -- Panteleev Peter, 1992.
    8.b6 Qxb6 9.Nd2 OO 10.Nc4 Qc7 11.Be2 Nbd7 12.Bf4 Nb6 13.Ne3 Bb7 14.OO Rad8 15.a4 e5 16.Bg5 h6 17.Bh4 Nc8 18.a5 Ne7 19.Qd2 Rb8 20.Bxf6 Bxf6 21.Ng4 Bg7 22.Nxh6+ Kh7 23.Ng4 f5 1-0(46) Utnasunov 2293 -- Didi K, 2001.
    8.Qc2 OO 9.Be2 Nbd7 10.OO Bb7 11.h3 Nb6 12.a4 axb5 13.Bxb5 Ba6 14.Re1 Nfd7 15.a5 Nc4 16.Qa4 Bxb5 17.Qxb5 Nxa5 18.Nd2 Qc7 19.Nc4 Nxc4 20.Rxa8 Rxa8 21.Qxc4 Ne5 22.Qe2 c4 23.Be3 Nd3 =-=(51) Soto Juan Carlos -- Lizarazo, 2000.

  9. 9.Be2 axb5 10.Bxb5 Ba6 11.Bd2 Bxb5 12.axb5 Rxa1 13.Qxa1 Nbd7 14.OO Nb6 15.Qa2 Qc7 16.Ra1 Ra8 17.Qb1 Qb8 18.Rxa8 Qxa8 19.b3 Nfd7 20.h4 Qa5 21.Qa2 Qb4 22.Qc2 Bxc3 23.Bxc3 Qxb5 1-0(31) Izoria 2565 -- Shengelia 2457, 2002.

  10. 11.OO Bxb5 12.axb5 Nbd7 13.Rxa8 Qxa8 14.Re1 Nb6 15.h3 Rd8 16.b3 Nfd7 17.Qd3 c4 18.bxc4 Nc5 19.Qc2 Nxc4 20.Nb1 Nb6 21.Bg5 Rd7 22.Nbd2 Ra7 23.Nb3 Ra2 0-1(40) Hetz Robert -- Uschold Jens, 1985.

  11. 14.Bg3 Nxg3 15.hxg3 Qa5+ 16.Kf1 Nd7 17.Nd2 Reb8 18.Nc4 Qb4 0-1 Gallego Jimenez -- Rodriguez, 1994.

  12. 7...Bg7 8.Nf3 Nbd7 9.Bd3 OO 10.OO Bxa6 11.Re1 Nb6 12.Bf4 Nh5 13.Bg5 h6 14.Be3 Qd7 15.Rb1 Rfb8 16.Bxa6 Rxa6 17.Qc2 Na4 18.Nd1 Kh7 19.b3 Qb5 20.Rc1 Nb6 21.a4 Qd7 22.Nd2 Qb7 23.Nc3 Nf6 1-0(41) Gufeld -- Ibrahimov, Novosibirsk 1962; 8.Bb5+ Nbd7 9.Nge2 OO 10.OO Bxa6 11.Bxa6 Rxa6 12.Bg5 Qb6 13.b3 Qb7 14.Qd2 Rfa8 15.Rab1 Qb4 16.f3 R6a7 17.a4 Rb7 18.Rfc1 Ne5 19.Nb5 Qxd2 20.Bxd2 h5 21.Bc3 Nfd7 22.f4 Nd3 23.Rd1 Nb4 1-0(40) Hoersch 2222 -- Hillgaertner 2054, 2000; 8.h3 OO 9.g4 Bxa6 10.Nge2 Qa5 11.Ng3 Bxf1 12.Kxf1 Na6 13.h4 c4 14.h5 Nc5 15.hxg6 fxg6 16.Bh6 Nd3 17.Bxg7 Kxg7 18.g5 Qc5 19.Nf5+ Kh8 20.Rh2 Nh5 21.Qd2 gxf5 22.Rxh5 fxe4 23.Nxe4 Qxd5 =-=(36) Losso Walter -- Tuma Diego, 1992.

  13. 8.Bd3 Bg7 9.Nge2 OO 10.OO Nfd7 11.Kh1 c4 12.Bc2 Nc5 13.Be3 Nbd7 14.Bd4 Nd3 15.Bxg7 Kxg7 16.Bxd3 cxd3 17.Nc1 Ne5 18.f4 Nc4 19.Rf2 d2 20.Nb3 Qc7 21.Rxd2 Nxd2 22.Qxd2 Rfc8 23.Nd4 Bb7 1-0(52) Kupila Tapani -- Perman, 1972.
    8.Be2 Bg7 9.Nf3 OO 10.h3 Bxe2 11.Qxe2 Nbd7 12.e5 Nxe5 13.Nxe5 dxe5 14.Qxe5 Nxd5 15.Qg3 Ra3 16.Bd2 Nxc3 17.Bxc3 Bxc3+ 18.bxc3 Qa5 19.Rc1 Rd8 20.OO Rxa2 21.Rfe1 e6 22.Rb1 Qa7 23.Red1 Rxd1+ 0-1(38) Murto Kalevi -- Valve Timo, 1972.

  14. 9...Nfd7 10.h3 Bg7 11.Kg1 OO 12.Kh2 Nb6 13.Re1 N8d7 14.Qc2 Qc7 15.Bg5 Rfb8 16.Rec1 Nc4 17.Rab1 h6 18.Bf4 Qa5 19.Nd2 Nde5 20.a3 g5 21.Nxc4 Nxc4 22.Bg3 Bxc3 23.Qxc3 Qxc3 0-1(34) Strengell -- Perman, 1972.
    9...Na6 10.Bg5 h6 11.Bxf6 exf6 12.Nd2 Bg7 13.Nc4 Rb8 14.Qa4+ Kf8 15.Qxa6 h5 16.Nb5 f5 17.Qxd6+ Qxd6 18.Nbxd6 fxe4 19.Ke2 Bd4 20.a4 Kg7 21.Rhb1 f5 22.a5 Ra8 23.a6 Ra7 1-0(37) Kupila Tapani -- Muotka Lasse, 1972.

  15. 10.Bg5 OO 11.Qd2 Nbd7 12.h4 h5 13.Re1 Ng4 14.Nh2 Nde5 15.Nxg4 Nxg4 16.f3 Ne5 17.b3 Qa5 18.Bxe7 Rfe8 19.Bg5 Nxf3 20.gxf3 Bxc3 21.Qe2 Bxe1 22.Qxe1 Qxe1+ 23.Kxe1 Rxa2 0-1(27) Karjalainen Matti -- Valve Timo, 1972.

  16. 10...Nbd7 11.Kg2 OO 12.Re1 Ne8 13.Bg5 f6 14.Be3 Ne5 15.Nxe5 fxe5 16.Qc2 Nc7 17.Rab1 Na6 18.a3 Qd7 19.b4 cxb4 20.axb4 Rab8 21.b5 Nc5 22.b6 Rfc8 23.Bxc5 Rxc5 1-0(34) Valve Timo -- Murto Kalevi, 1972.

  17. 14.a4 Rb8 15.Bf4 Rb4 16.Qc2 Ng4 17.h3 Nge5 18.Nxe5 Nxe5 19.Bxe5 Bxe5 20.b3 c4 21.Rab1 cxb3 22.Rxb3 Rxb3 23.Qxb3 Bxc3 1-0(58) Polyakin 2105 -- De Souza Gomes Luiz Alexandre, 2003.

  18. 8...Rxa6 9.Nf3 Bg7 10.OO OO 11.Qe2 Nfd7 12.Nd2 Qb6 13.Nc4 Qa7 14.f4 Bxc3 15.bxc3 Ra4 16.Rf2 Qa6 17.Nb2 Rxa2 18.Rxa2 Qxa2 19.Nc4 Qxe2 20.Rxe2 Nf6 21.Kf2 Nbd7 22.Kf3 =-= Perman -- Pitkanen, 1973; =-= Perman -- Pitkanen, 1972; 11.Bf4 Nbd7 12.Qc2 Qa8 13.a4 Rb8 14.Rab1 Ne8 15.b3 Nc7 16.Nd2 Nb6 17.Qd3 Qb7 18.Rfc1 Raa8 19.Be3 Nd7 20.Nc4 Ne5 21.Nxe5 Bxe5 22.f4 Bxc3 23.Qxc3 Qb4 1-0(51) Harper -- Arenas, 1993; 9...Nbd7 10.OO Bg7 11.Re1 OO 12.h3 Qb8 13.Re2 Rc8 14.Be3 h6 15.Qc1 Kh7 16.Qc2 Nb6 17.Nd2 Nfd7 18.f4 Qa8 19.a3 c4 20.Rf1 Na4 21.Nxa4 Rxa4 22.Nb1 Rb8 23.Nc3 Ra5 1-0(62) Tsemekhman -- Flynn John, 1992.

  19. 9.Bg5 Bg7 10.Bxf6 Bxf6 11.Qa4+ Kf8 12.a3 Qb6 13.Qc2 Nb4 14.Qb1 Nd3+ 15.Qxd3 Qxb2 16.Rb1 Bxc3+ 17.Kd1 Qxa3 18.Ne2 Bf6 19.Qxa3 Rxa3 20.Rb8+ Kg7 21.Rxh8 Kxh8 22.Kd2 Kg7 23.Rb1 h5 0-1(58) Pitkanen -- Kupila Tapani, 1973; 0-1(58) Pitkanen -- Kupila Tapani, 1972.
    9.f4 Bh6 10.Nf3 Qa5 11.OO OO 12.e5 Nh5 13.f5 Bxc1 14.Qxc1 Nb4 15.Qh6 f6 16.fxg6 hxg6 17.Qxg6+ Ng7 18.Nh4 Qa7 19.e6 f5 20.Nxf5 c4+ 21.Kh1 Rxf5 22.Rxf5 Qd4 23.Raf1 Qh4 1-0(26) Valve Timo -- Karjalainen Matti, 1972.

  20. 10...Nd7 11.Qe2 OO 12.Nd2 Qc7 13.Nc4 Rfb8 14.Bg5 Ne5 15.Nxe5 Bxe5 16.f4 Bd4+ 17.Kh1 Qb7 18.Nd1 f6 19.Bh6 Qb5 20.Qf3 Nb4 21.Nc3 Qd3 22.Qg4 f5 23.Qh4 Bf6 =-=(30) Perman -- Strengell, 1972.

  21. 11.Re1 Nd7 12.Be3 Qa5 13.Qd2 Rfb8 14.Bh6 Rxb2 15.Qxb2 Bxc3 16.Bd2 Bxb2 17.Bxa5 Bxa1 18.Rxa1 Nb4 19.Bxb4 cxb4 20.Nd2 Nc5 21.f3 b3 22.a3 b2 23.Rb1 Na4 0-1(24) Valve Timo -- Luodonpaa, 1972.
    11.Bf4 Qb6 12.Qe2 Qb4 13.Rac1 h6 14.a3 Qb3 15.Rc2 g5 16.Bg3 Nh5 17.Rfc1 Nxg3 18.hxg3 Nc7 19.Nd2 Qb7 20.Nc4 f5 21.exf5 Bxc3 22.bxc3 Rae8 23.Qh5 Rf7 1-0(30) Mettinen Timo -- Raittila Timo, 1991.

  22. 14.Bg5 Re8 15.a4 Qb4 16.Bd2 Nb6 17.Ne3 Bxc3 18.Bxc3 Qxe4 19.f3 Qh4 20.g3 Qh5 21.g4 Qh6 22.Bd2 Qh4 23.Qd3 e6 =-=(53) Perman -- Kupila Tapani, 1972.

  23. 7.Qc2 OO 8.Nf3 Nbd7 9.Be2 a6 10.a4 axb5 11.Nxb5 Ba6 12.OO Qb6 13.Ra3 Rfb8 14.Bg5 Qd8 15.Rb1 Nb6 16.Be3 Ne8 17.b4 Nd7 18.bxc5 Nxc5 19.Bxc5 Rc8 20.Nfd4 Rxc5 21.Qd2 Bxd4 22.Nxd4 Bxe2 23.Qxe2 Rb8 =-=(38) Greiner 2285 -- Boer 2155, ICCF 1988; =-=(38) Greiner -- De Boer Reyer, 1988.
    7.Bf4 a6 8.Nf3 Qa5 9.Qd2 OO 10.Be2 axb5 11.Nxb5 Nxe4 12.Qxa5 Rxa5 13.Bc1 Bb7 14.Bc4 Nd7 15.Nd2 Nb6 16.Nxe4 Nxc4 17.Nbc3 Nb6 18.Bd2 Raa8 19.OO Rfc8 20.a4 Nxd5 21.a5 Nb4 22.f3 Nc2 23.Rac1 Nd4 0-1 Chowaniec Waldemar -- Kulejewski Lech, 1993; 0-1 Chowaniec W -- Kulejewski Lech, 1992.
    7.Bd2 a6 8.bxa6 OO 9.Nf3 Nbd7 10.Be2 Bxa6 11.OO Nb6 12.b3 Qd7 13.Bxa6 Rxa6 14.Qc2 Rc8 15.a4 Ne8 16.Ra2 Nc7 17.Rfa1 Ra7 18.a5 Nba8 19.Ra4 Na6 20.R1a3 Nb4 21.Qb1 Nc7 22.Na2 Nb5 23.Nxb4 Nxa3 0-1(34) Von Saldern -- Nagy Laszlo, 1997; 8.Nf3 OO 9.Bd3 axb5 10.Bxb5 Ba6 11.a4 Nbd7 12.OO Ne8 13.Bxa6 Rxa6 14.b3 Ne5 15.Nxe5 Bxe5 16.Rb1 Nf6 17.Qe2 Ra8 18.Nb5 Qd7 19.Bc3 Bxc3 20.Nxc3 Rfb8 21.e5 dxe5 22.Qxe5 Ng4 23.Qe2 Rb4 1-0(42) Ivelinov 2188 -- Dimitrov Daniel, 2002.
    7.f4 OO 8.Nf3 a6 9.Bd2 e6 10.dxe6 fxe6 11.e5 dxe5 12.Nxe5 Nd5 13.Qa4 Nd7 14.Nc6 Qe8 15.Be2 N7b6 16.Qe4 axb5 17.Bxb5 Bd7 0-1 Guerra -- Ferrer Sanchez, 1996.
    7.Nge2 OO 8.Ng3 Nbd7 9.Be2 a6 10.bxa6 Bxa6 11.Bxa6 Rxa6 12.OO Qa8 13.Qc2 Rb8 14.h4 Ne8 15.h5 Nc7 16.hxg6 hxg6 17.Qe2 Bd4 18.Rd1 Rab6 19.Nf1 Nb5 20.Bd2 Ne5 21.Ne3 Nxc3 22.Bxc3 Bxc3 23.bxc3 Rb2 =-=(46) Jenei -- Tapaszto, Budapest 1955.
    7.g3 OO 8.Bg2 a6 9.Bd2 axb5 10.Nxb5 Qb6 11.a4 Bd7 12.Bc3 Bxb5 13.axb5 Rxa1 14.Qxa1 Qxb5 15.Ne2 Nbd7 16.Nc1 Rb8 17.Qa7 h6 18.f4 Rb7 19.Qa8+ Kh7 20.Qc8 Nb8 21.e5 Ng8 22.Bf1 Qb6 23.Qe8 e6 0-1(43) Hettler 2075 -- Pirs Matjaz 2254, 2000.
    7.Qb3 Nbd7 8.Nf3 OO 9.Be2 a6 10.bxa6 Bxa6 11.Bxa6 Rxa6 12.OO Qa8 13.h3 Rb8 14.Qc2 Nb6 15.Bg5 Na4 16.Nxa4 Rxa4 17.b3 Ra3 18.Nd2 h6 19.Be3 Nd7 20.Nc4 Ra6 21.Rab1 Rxa2 22.Qd3 Qa6 23.Rfd1 Kh7 0-1(54) Gyorke 2215 -- Szemes 1884, 2000.
    7.h3 OO 8.Nf3 Nbd7 9.Be2 a6 10.bxa6 Bxa6 11.Bxa6 Rxa6 12.OO Qc7 13.Rb1 Rfa8 14.a3 Nb6 15.Qc2 h6 16.Rd1 Nfd7 17.Ne2 Qa7 18.b3 Kh7 19.a4 c4 20.Ned4 cxb3 21.Qxb3 Nc5 22.Nc6 Nxb3 23.Nxa7 Nxc1 0-1(24) Kvarnstroem Einar -- Tunviken Jonas, 1998.

  24. 8.Ra3 OO 9.Nf3 Nbd7 10.Nd2 Nh5 11.Nc4 Ne5 12.Be2 axb5 13.Nxb5 Nxc4 14.Bxc4 Nf6 15.Qc2 Nd7 16.OO Ba6 17.b3 Ne5 18.f4 Ng4 19.h3 Bxb5 20.Bxb5 Bd4+ 21.Kh1 Ne3 22.Bxe3 Bxe3 23.b4 Bd4 =-=(41) Wasmuth -- Kunsztowicz, 1988.

  25. 8...axb5 9.Bxb5+ Nbd7 10.OO OO 11.Bd2 Ba6 12.Qe2 Ne5 13.Ne1 Qc8 14.f4 Neg4 15.Nf3 Bxb5 16.axb5 Nd7 17.h3 Nh6 18.g4 f6 19.Ra6 Qb7 20.Rfa1 Nb6 21.R1a2 Nf7 22.Qf1 Rfe8 23.Qa1 Bf8 1-0(38) Zsinka -- Richter M, 1994.

  26. 14.Qb3 Qc7 15.Rfa1 Qb7 16.Ra6 Rfb8 17.R1a5 Ne8 18.Qa2 Nc7 19.Ra7 Qc8 20.Rxa8 Rxa8 21.Na4 Rb8 22.Nc3 =-= Sarno -- Gongalov, 1989.

  27. 7...a6 8.Nf3 OO 9.bxa6 Bxa6 10.Bxa6 Nxa6 11.OO Nd7 12.Bg5 Rb8 13.Qd2 Re8 14.Rab1 Qa5 15.Rfc1 Nc7 16.Bh6 Bf6 17.a3 Rb3 18.Qc2 Reb8 19.Nd2 R3b7 20.Nc4 Qa6 21.Qa4 Qxa4 22.Nxa4 Nb5 23.b4 Nd4 1-0(34) Bronstein -- Lundin, Saltsjobaden 1948; 1-0(34) Bronstein -- Lundin, 1948.

  28. 9.b6 Qxb6 10.Nd2 Nbd7 11.Nc4 Qc7 12.OO Rb8 13.a4 Nb6 14.Ne3 a5 15.Bd2 c4 16.Nb5 Qc5 17.Qc2 Bd7 18.Nxc4 Nxa4 19.Rxa4 Bxb5 20.Rxa5 Qd4 21.Rxb5 Rxb5 22.Bd3 Ng4 23.Bc3 Qc5 0-1(48) Yurkov 2332 -- Akhanov 2135, Novokuznetsk (Russia) 2008.

  29. 10.h3 Qc7 11.OO Nbd7 12.Re1 Rfb8 13.Qc2 Ne8 14.Bd2 Bxe2 15.Rxe2 Rb4 16.Nd1 Rba4 17.a3 Qb7 18.Bc3 R4a6 19.Bxg7 Nxg7 20.Ne3 Rb8 21.Rd1 Rb6 22.Nc4 Rb5 23.Rd3 Kf8 0-1(37) Olsson Peter -- Nordin Nils R, 1988.

  30. 14.Nd2 Rb4 15.a3 Rb7 16.Nc4 Qc7 17.Bd2 Rfb8 18.a4 Ne5 19.Nb5 Qc8 20.Nxe5 dxe5 21.Rac1 Ra8 22.b3 Nh5 23.Be3 Nf4 1-0(29) Carbone 2235 -- Olaciregui, Buenos Aires 1973.

  31. 7...a6 8.Nge2 OO 9.OO axb5 10.Nxb5 Ba6 11.Nec3 Qb6 12.a4 Nbd7 13.Be3 Rfc8 14.f4 Qb7 15.Qe2 Ne8 16.Ra3 Nc7 17.Rfa1 Nb6 18.Nxc7 Bxd3 19.Qxd3 Rxc7 20.Qe2 Qa6 21.Nb5 Rb7 22.R1a2 Rab8 23.b3 Na8 0-1(32) De Vries -- De Boer Reijer, 1988; 0-1(32) De Vriese Johan -- De Boer Reyer, 1987.

  32. 8.Nf3 a6 9.bxa6 Bxa6 10.Bxa6 Rxa6 11.Qe2 Ra8 12.OO Nbd7 13.Bf4 Nh5 14.Be3 Nb6 15.Nd2 Qd7 16.f4 Nf6 17.Kh1 Na4 18.Nxa4 Qxa4 19.Rfc1 Rfb8 20.b3 Qa6 21.Qxa6 Rxa6 22.h3 Nh5 23.e5 dxe5 0-1(40) Scanavino -- Garcia, Buenos Aires 1962.

  33. 9.OO axb5 10.Bxb5 Ba6 11.Ng3 Bxb5 12.Nxb5 Nbd7 13.Bd2 h5 14.Qc2 Nb6 15.b3 Qd7 16.Nc3 h4 17.Nge2 h3 18.Ng3 hxg2 19.Kxg2 Qc8 20.a4 Nbd7 21.Rab1 e6 22.Bf4 exd5 23.exd5 Re8 1-0(45) Eliskases -- Opocensky, Prague 1937; 9...Nbd7 10.bxa6 Bxa6 11.Bxa6 Rxa6 12.f4 Qc7 13.Kh1 Rb8 14.Qd3 c4 15.Qf3 Ne8 16.Rb1 Rab6 17.Qe3 Nc5 18.Nd4 Nd3 19.Nd1 Ra8 20.Nc3 Qc5 21.Nde2 Qxe3 22.Bxe3 Rxb2 23.Rxb2 Nxb2 1-0(40) Luczynowicz -- Doda, Krakow 1953.

  34. 14.Bg5 Rfe8 15.f4 Nb6 16.Rf3 Na4 17.a3 Nxc3 18.Nxc3 h6 19.g4 hxg5 20.gxh5 g4 21.Rg3 gxh5 22.h3 Qc4 23.hxg4 h4 =-=(52) Pithart -- Opocensky, 1965; =-=(52) Pithart -- Opocensky, Pardubice 1965.

  35. 8.a4 OO 9.Qc2 e6 10.dxe6 Bxe6 11.Bd2 d5 12.exd5 Nxd5 13.Nxd5 Bxd5 14.Be2 Re8 15.Be3 axb5 16.OO Be4 17.Qxc5 bxa4 18.Rfd1 Qc8 19.Ng5 Bc6 20.Bc4 Rf8 21.Nxf7 Rxf7 22.Qe7 Na6 23.Bxf7+ Kh8 1-0(27) Kahn -- Truta, 1993.

  36. 8...Bxa6 9.Bxa6 Rxa6 10.OO OO 11.Qe2 Qc7 12.Bd2 Qb7 13.b3 Nbd7 14.Rac1 Rfa8 15.Rc2 Ne8 16.h4 Ra5 17.Na4 Rxa4 18.bxa4 Rxa4 19.Bc3 Bxc3 20.Rxc3 Qb4 21.Rb3 Qxe4 22.Re3 Qxd5 23.Rxe7 Nef6 1-0(73) Romanishin -- Hug, Schilde 1969.

  37. 10...Qa5 11.Re1 Nbd7 12.h3 Rfb8 13.Bxa6 Qxa6 14.Qc2 Ne8 15.Bg5 Kf8 16.Rad1 Ne5 17.Nxe5 Bxe5 18.Kh1 Qb7 19.Re2 Nc7 20.f4 Bd4 21.Rf1 Ra6 22.Qd3 Rb6 23.b3 Qa6 =-=(48) De Villiers -- MacFarlane Donald, 1980.

  38. 11.h3 Qb6 12.Rb1 Rfb8 13.b3 Ne8 14.Bb2 Qb4 15.Bxa6 Bxc3 16.Qe2 Nc7 17.Bc4 Bxb2 18.Rxb2 Nb5 19.e5 dxe5 20.Nxe5 Nxe5 21.Qxe5 Nd6 22.Rc2 Rb7 23.Rfc1 Ra5 =-=(42) Heubusch -- Schlosser, 1994.

  39. 14.Nd2 Nge5 15.Bg3 Nb6 16.f4 Ned7 17.e5 Na4 18.Nb5 Qc8 19.b3 Nab6 20.Nc3 Qb7 21.a4 Ra5 22.Nc4 Raa8 23.a5 Nxd5 =-=(67) Perdomo 2391 -- Moskow 2254, 2007.

  40. 8.Bd2 a6 9.a4 axb5 10.axb5 Rxa1 11.Qxa1 Bg4 12.Be2 Nbd7 13.OO Nb6 14.Na4 Qb8 15.Ba5 Nfd7 16.Bc3 Nf6 17.b3 Qb7 18.Qb2 Ra8 19.Ra1 Bh6 20.Nxb6 Rxa1+ 21.Qxa1 Qxb6 22.Bxf6 exf6 23.Qa6 Qb8 1-0(30) Pacsay -- Frank Jozsef, 1995; 8...Nbd7 9.Be2 a6 10.OO axb5 11.Bxb5 Ba6 12.Qe2 Bxb5 13.Nxb5 Ra4 14.Nc3 Rb4 15.a3 Rxb2 16.Rab1 Qb8 17.Nb5 Rxb1 18.Rxb1 Qa8 19.Qc4 Rb8 20.Be1 Nb6 21.Qc2 Qa4 22.Qxa4 Nxa4 23.Nd2 Nd7 =-=(52) Murach K -- Schober, 1977.
    8.Bc4 a6 9.bxa6 Bxa6 10.Bxa6 Rxa6 11.OO Nbd7 12.Qe2 Ra8 13.Bg5 Qc7 14.Nd2 Rfb8 15.Nc4 Nb6 16.Nd2 Na4 17.Nxa4 Rxa4 18.b3 Ra7 19.a4 h6 20.Be3 Rb4 21.f3 Nd7 22.Rac1 Nb6 23.Qf2 Ra5 1-0(53) Bykov -- Mnatsakanian, Leningrad 1957; 8...Nbd7 9.a4 a6 10.Rb1 axb5 11.axb5 Qa5 12.Bd2 Qb4 13.b3 Qa5 14.h3 Nb6 15.OO Nh5 16.Qe1 Nxc4 17.bxc4 Nf4 18.Bxf4 Qxc3 19.Qxc3 Bxc3 20.e5 Bf5 21.Rb3 dxe5 22.Bxe5 Bb4 23.Nd4 f6 1-0(37) Nestorovic 2424 -- Dakic 2147, 2003.
    8.Bd3 Qc7 9.Nd2 e6 10.OO Bb7 11.Qf3 Nbd7 12.Nc4 Nb6 13.Bg5 Nfd7 14.dxe6 fxe6 15.Qh3 Rae8 16.Rad1 d5 17.exd5 exd5 18.Nxb6 Nxb6 19.Bh6 c4 20.Bxg7 Qxg7 21.Bc2 d4 22.Na4 Nd5 23.Qg4 Nf4 0-1(32) Dobias -- Opocensky, Prague 1934.
    8.Bg5 Nbd7 9.Nd2 h6 10.Bh4 a6 11.a4 Nh5 12.Bc4 Nf4 13.OO Ne5 14.Bg3 Nfd3 15.Bxe5 Nxe5 16.Be2 f5 17.exf5 gxf5 18.Nc4 Nxc4 19.Bxc4 axb5 20.axb5 Rxa1 21.Qxa1 f4 22.f3 Bd4+ 23.Kh1 Rf5 1-0(39) Wexler -- Garcia, Buenos Aires 1964.
    8.Bf4 Nh5 9.Be3 a6 10.bxa6 Bxa6 11.Bxa6 Nxa6 12.Qd2 Qb6 13.OO Rfb8 14.Rfb1 Qa5 15.h3 Nc7 16.g4 Nf6 17.Bh6 Nxe4 18.Nxe4 Qxd2 19.Bxd2 Bxb2 20.Nc3 Bxa1 21.Rxa1 f6 22.Kf1 Ra3 23.Ne1 Kf7 1-0(38) Herink -- Opocensky, Bratislava 1957.

  41. 9...Nbd7 10.Be2 Bxa6 11.OO Nb6 12.Bf4 Bxe2 13.Qxe2 Na4 14.Rad1 Nh5 15.Bd2 Nxb2 16.Rc1 Na4 17.Rfd1 Qd7 18.e5 Nxc3 19.Bxc3 Nf4 20.Qc2 Qb5 21.Rd2 Ra3 22.Re1 Rfa8 23.Kh2 Qc4 0-1(29) Bajec -- Forintos, 1969.
    9...Qa5 10.Bd3 Bxa6 11.OO Nbd7 12.Re1 Rfb8 13.Bxa6 Rxa6 14.Re2 Nb6 15.Rc2 Na4 16.Nd2 Nd7 17.Nxa4 Qxa4 18.b3 Qb5 19.Bb2 Ne5 20.Qf1 Qxf1+ 21.Kxf1 Nd3 22.Bxg7 Kxg7 23.Rc3 Nb4 0-1(33) Boudy -- Arribas Robaina, 1998.

  42. 10...Nxa6 11.OO Qb6 12.Qe2 Nc7 13.Bg5 Qb7 14.Rac1 Rfe8 15.Bf4 Qb4 16.Bh2 Qb7 17.Rfd1 Reb8 18.b3 Re8 19.Rc2 Rab8 20.Nd2 Nd7 21.Nc4 Qb4 22.e5 Nb6 23.Nxb6 Rxb6 1-0(35) Kunz 2186 -- Hillgaertner 2054, 2000.

  43. 14.Qc2 Nfd7 15.Rfe1 Na4 16.Nxa4 Rxa4 17.a3 Qa6 18.Rac1 Ne5 19.Red1 Rb8 20.Rb1 Nc4 21.Nxc4 Qxc4 22.Qxc4 Rxc4 23.b4 cxb4 =-=(33) Zeynalov -- Allajov 2067, 2003.

  44. 8...Nfd7 9.Be2 a6 10.OO axb5 11.Nxb5 Ba6 12.a4 Nb6 13.Rb1 f5 14.exf5 gxf5 15.Nc4 N8d7 16.Nxb6 Nxb6 17.b3 Bb7 18.Bf3 Nd7 19.g3 Ne5 20.Be2 Rc8 21.f4 Nd7 22.Bb2 Nf6 23.Bc4 Qe8 1-0(49) Izoria 2450 -- Jobava 2255, 2000.
    8...Nbd7 9.Rb1 Qc7 10.Be2 a6 11.a4 axb5 12.axb5 Nb6 13.OO e6 14.Nc4 exd5 15.Nxb6 Qxb6 16.Nxd5 Nxd5 17.Qxd5 Be6 18.Qg5 Ra4 19.Qe3 Bd4 20.Qg3 Ba2 21.Ra1 Rfa8 22.Qh3 c4 23.Qd7 R4a7 =-=(39) Pantaleev -- Daskalov, Sofia 1960.
    8...e6 9.dxe6 Bxe6 10.Bc4 d5 11.exd5 Nxd5 12.Nxd5 Bxd5 13.OO a6 14.b6 Bb7 =-= Gassmann -- Pirs M 2248, 2001.

  45. 9.b6 Nfd7 10.Nc4 Nxb6 11.Qc2 Nxc4 12.Bxc4 Nd7 13.b3 Ne5 14.Be2 f5 15.Rb1 f4 16.f3 Rb8 17.Nd1 Qb6 18.Bb2 Bd7 19.Nf2 Qa5+ 20.Kd1 Qxa2 21.Bxe5 Qxc2+ 22.Kxc2 Bxe5 23.Nd1 Bb5 0-1(38) Blumenstein 2093 -- Pirs Matjaz 2254, 2000.

  46. 14.Bd2 Nc7 15.Qc2 Rfb8 16.Qd3 Na4 17.b3 Nxc3 18.Bxc3 Bxc3 19.Qxc3 Rb4 20.f3 Nb5 21.Qb2 Nd4 22.Rf2 Qa7 23.Re1 Rb6 =-=(47) Tisdall -- Gretarsson, 1992.

  47. 9.b6 Qxb6 10.a5 Qb7 11.Be2 Bd7 12.OO Bb5 13.Re1 Nbd7 14.h3 Rfb8 15.Ra3 c4 16.Be3 Qc7 17.Nd4 Nc5 18.Qc2 Nd3 19.Rd1 Nb4 20.Qd2 Bd7 21.Rc1 e5 22.dxe6 fxe6 23.f4 d5 1-0(54) Chilla Markus -- Pustelny Conrad Dieter, 2003.

  48. 10...Bb7 11.Be2 axb5 12.Bxb5 Qc7 13.OO Rfc8 14.Nd2 e6 15.Nc4 exd5 16.exd5 Nb6 17.Nxb6 Qxb6 18.Re1 Ne8 19.a5 Rxa5 20.Rxa5 Qxa5 21.Rxe8+ Rxe8 22.Bxe8 Bxc3 23.bxc3 Qxc3 1-0(25) Cacho Reigadas -- Martin L, 1997.

  49. 14.Nxb5 Qa5 15.OO Rfb8 16.Nc4 Qd8 17.Bd2 Nb6 18.b3 Nxc4 19.Qxc4 Nxe4 20.Bc1 Nf6 21.Bb2 Nxd5 22.Bxg7 Kxg7 23.Qxd5 Rxb5 0-1(25) Gouw -- De Boer Reijer, 1988; 0-1(25) Gouw -- De Boer Reyer, 1987; 0-1(25) Gouw -- Boer Reyer de, 1987.

  50. 8...Bb7 9.OO Nbd7 10.Nd2 Qc7 11.a4 a6 12.Nc4 Rfb8 13.Qc2 Qd8 14.Bd2 Ne8 15.Ra3 e6 16.Ne3 Nc7 17.Bc4 Kh8 18.Qb3 Nb6 19.dxe6 Nxc4 20.Qxc4 axb5 21.Nxb5 fxe6 22.Bc3 Bc6 23.Bxg7+ Kxg7 1-0(27) Ragozin -- Menchik, Moscow 1935.

  51. 9.OO axb5 10.Bxb5 Qb6 11.Nd2 Ba6 12.Nc4 Qb7 13.Bxa6 Qxa6 14.Qe2 Nbd7 15.Be3 Rfb8 16.Rab1 Ne8 17.Rfe1 Bxc3 18.bxc3 Rxb1 0-1 Van Scheltinga -- Opocensky, Buenos Aires 1939; 11.a4 Ba6 12.Bxa6 Nxa6 13.h3 Rfb8 14.Re1 Nd7 15.Re2 Nb4 16.Bg5 Kf8 17.Be3 Qa6 18.Rd2 Rb7 19.Ra3 Nb6 20.Re2 Nc4 21.Ra1 Nxb2 22.Rxb2 Bxc3 23.Rbb1 Bxa1 0-1(24) Danko I -- Frank Jozsef, 1994; 10...Ba6 11.Bxa6 Nxa6 12.Re1 Nd7 13.Bf4 Qc7 14.Qe2 Rfb8 15.Rab1 c4 16.e5 Nb4 17.e6 Nc5 18.exf7+ Kf8 19.Ng5 Nbd3 20.Qf3 Nxe1 21.Rxe1 Bf6 22.Nce4 Qa5 23.Bd2 Qxd2 1-0(38) Jauernig -- Nagy Laszlo, 1996.
    9.b6 Nbd7 10.a4 a5 11.OO Nxb6 12.Bf4 Bb7 13.Re1 Nh5 14.Be3 Qc7 15.Qc1 Rfe8 16.Bh6 Nf6 17.h3 e6 18.Bb5 Re7 19.dxe6 Rxe6 20.Bxg7 Kxg7 21.Qf4 Qe7 22.Ng5 Re5 23.Qd2 Nh5 =-=(28) Zakharevich 2492 -- Vedeneev 2268, 2002; 9...Qxb6 10.OO e6 11.Nd2 e5 12.Nc4 Qc7 13.f4 Nbd7 14.fxe5 Nxe5 15.Nxe5 dxe5 16.d6 Qd8 17.Bg5 Be6 18.Qd2 Rb8 19.b3 Rb6 20.Rad1 h6 21.Be3 Rc6 22.Bxh6 Ne8 23.d7 Nd6 =-=(37) Syatynya Ivan -- Nagy Laszlo (HUN) 2145, Halkidiki (Greece) 2008.

  52. 9...Nxa6 10.OO Nd7 11.Be3 Nb6 12.Nd2 Bd7 13.Nc4 Nxc4 14.Bxc4 Qc7 15.Qd2 Rfb8 16.Rab1 Qb7 17.f3 Nc7 18.Rfc1 Nb5 19.Nxb5 Bxb5 20.b3 Ra3 21.Bxb5 Qxb5 22.Rc2 Rba8 23.Re1 Qa6 =-=(36) Kellner -- Opocensky, Vienna 1947.

  53. 10...Qc7 11.Re1 Nbd7 12.Bxa6 Rxa6 13.Qe2 Rfa8 14.h3 Nb6 15.Bg5 Ne8 16.Bd2 Na4 17.Nxa4 Rxa4 18.Bc3 Bxc3 19.bxc3 Qa5 20.Qd3 Qa6 21.Qd2 Rxa2 22.Rxa2 Qxa2 23.e5 Qxd2 0-1(42) Taimanov -- Bronstein, Zuerich 1953; 12.Rb1 Rfb8 13.b3 Ng4 14.Qc2 Qa5 15.Bd2 Bxe2 16.Rxe2 Nge5 17.Nxe5 Nxe5 18.Na4 Qb5 19.Ree1 Rc8 20.Be3 h5 21.h3 Nd7 22.Rec1 Qa6 23.Qd2 Rcb8 0-1(62) Wexler -- Garcia, Buenos Aires 1963; 11.Bf4 Nbd7 12.Re1 Ng4 13.Qd2 Rfb8 14.Rac1 Qa5 15.Rc2 Rxb2 16.Rxb2 Bxc3 17.Qc1 Bxb2 18.Qxb2 Rb8 19.Qc2 Bxe2 20.Qxe2 Qb5 21.Qd1 Qb2 22.Nd2 h5 23.h3 Nge5 0-1(38) Van Baarle -- Rost Van Tonningen, The Hague 1968.

  54. 11.Re1 Qc7 12.Bf4 Rfb8 13.Qc2 Qb7 14.Rab1 Bxe2 15.Rxe2 Nh5 16.Bg5 Bxc3 17.Qxc3 f6 18.Bh6 Rxa2 19.g4 Ng7 20.Kg2 Qb3 21.Qxb3 Rxb3 22.g5 Nh5 23.gxf6 exf6 =-=(62) Ree -- Schiffer, Bad Pyrmont 1970.
    11.Nd2 Ne5 12.Bxa6 Rxa6 13.Qe2 Qa8 14.a3 Rb8 15.f4 Ned7 16.Qf3 Nb6 17.f5 Na4 18.fxg6 hxg6 19.g4 Rc8 20.Nc4 Nxc3 21.bxc3 Qb7 22.Bf4 Ra4 23.Nd2 Nd7 0-1(37) Pelikan -- De la Vega, Mar del Plata 1970.

  55. 13.h3 Nb6 14.Bd2 Na4 15.b3 Nxc3 16.Bxc3 Rb8 17.Rfd1 Rbb6 18.Qc2 Ra3 19.Bb2 Rxa2 20.e5 Nd7 21.e6 fxe6 22.Bxg7 Rxc2 23.Rxa8+ Kxg7 1-0(72) Kluger -- Forintos, Budapest 1968.

  56. 14.Nxe5 Nb6 15.Nd3 Nbxd5 16.Nxc5 Ra5 17.Nb3 Nxc3 18.bxc3 Ra4 19.Bd2 Ne4 20.Rfc1 Rb8 21.Qe1 Nxd2 22.Nxd2 Rxa2 23.Rxa2 Qxa2 =-=(28) Smejkal -- Plachetka, Harrachov 1966.