sicilian c3 2...d5

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!""""""""#$tMv+lVmT%$Oo+*OoOo%$*+*+*+*+%$+*Ow+*+*%$*+*P*+*+%

$+*P*+*+*%$pP*+*PpP%$RnBqKbNr%/(((((((()

1 e4 c5 2 c3 2 d5 3 exd5 qd5 4 d4

Sicilian Alapin System 1 of 16

Hogeye Bill 7/9/12

$tMv+lVmT%$Oo+*OoOo%$*+*+*+*+%$+*Ow+*+*%$*+*P*+*+%

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1 e4 c5 2 c3 2 d5 3 exd5 qd5 4 d4

Sicilian Alapin

with 2 d5

1 e4 c5 2 c3 d5 3 exd5qxd5 4 d4

4 5 6 7 8 9 10 11 12 13 14

Kirilov Gambit cxd4 nf3 nc3 gf3 qd4 nb5! kd1 na7 rb1 +/-

1 cxd4 nc6 bg4 bf3 qd4 nd4 nc2 rc8 rc5Schlechter Variation ... ... nc3 bd2 bc3 ne5 de5 be2 O-O qa4 +/-

2 ... ... e5 bb4 bc3 e4 ne5 ne7 O-O bf5

Isolated Duo Var. ... nf3 nc3 bd3 O-O bc3 re1 bg5 be4 d5 +/-

3 ... e6 nc6 bb4 nf6 bc3 O-O b6 nd7 qd6IQP Variation nf3 be3 cxd4 nc3 bc4 O-O rc1+/=ne5 bd3 +/-

4 nf6 e6 cxd4 nc6 qd6 be7 O-O nb4 nbd5

Twons: Q-trade Countergambit dxc5 kd1 b4 kc2 bb5 kb2 be3 nbd2 +/-

5 ... nc6 qd1 bg4 e5 0-0-0 bf5 ng4 f6

Q-side Majority ... ... na3 be3 nc4! qa4 nb6 nxd7 +/-

6 ... ... qxc5 e5 qa5 qc7 bd7 rd8

Lane Var: Q-trade Gambit ... dxc5 kd1 b5 h3 g4 hg4 nd2 bd3 re1 +/=

7 ... bg4 qd1 e5 e4 bh5 ng4 bg4 ef3 nc6

Q-side Majority ... ... h3 na3 be3 g4 bg2 qa4 bf4 +/=

8 ... ... qc5 bh5 a6 qc7 bg6 e6 nbd7

Black decides first whether to force the game into an isolated queen pawn position. If so, he can either try to

aggressively attack the queen pawn with the Kirilov Gambit (line 1) or Schlecter Variation (line 2,) or play thetraditional IQP blockade game that also comes about from a Queens Gambit Accepted or Panov-Botvinnik Caro

Kann. If black decides not to exchange his c-pawn for the d-pawn to create the isolani, then he risks white playingd4xc5 at an inopportune time. In the Two Knights Variation (lines 5 and 6) and the Lane Variation (lines 7 and 8),black will have to decide whether to exchange queens with a difficult gambit, or to lose time by taking back the

pawn on c5. The latter creates pawn majorities on opposite sides, with blacks queen getting harassed early.

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Games

1: Kirilov Gambit

Pedersen - VistisenEsbjerg 1997

1e4 c5 2c3 d5 3exd5qxd5 4d4 cxd4 5cxd4nc6 6nf3bg4 7nc3bxf3 8gxf3qxd49qxd4nxd4 10nb5nc2+ 11kd1rc812nxa7rc5 13be3nxe3+ 14fxe3 f5 15b4rd5+ 16kc2 e6 17a3nf6 18bc4rd619nb5rb6 20rhd1 g6 21kb3bh622rd6rxd6 23nxd6+ke7 24nxb7bxe325rd1bf4 26h3 g5 27nc5 e5 28bd3 g429hxg4 fxg4 30fxg4nxg4 31bxh7nf232rd7+kf6 33a4re8 34be4nxe435nxe4+ke6 36rd3rg8 37a5rg1 38a6ra1 39b5bh2 40nc5+kf5 41kb2ra542b6 e4 43ra3be5+ 44kb3rxc5 45a7rc3+ 46kb4rc8 47b7 1-0

2: Schlechter Variation

Reitinger,Petr - Jelinek,Miroslav

Svetla nad Sazavou 1997

1e4 c5 2c3 d5 3exd5qxd5 4d4 cxd4 5cxd4nc6 6nf3 e5 7nc3bb4 8bd2bxc39bxc3 e4 10ne5nxe5 11dxe5ne7 12be2O-O 13O-Obf5 14qa4qe6 15rfd1nd516bc4nxc3 17bxe6nxa4 18bxf5 e319fxe3nxb2 20rd7rab8 21rc1rfd822e6 g6 23rxf7 gxf5 24rcc7rd1+ 25kf2rd2+ 26kf3nd3 27rg7+kh8 28rxh7+kg8 29rcg7+kf8 30e7+ke8 31rh8+kd7 1-0

3: Isolated Duo Variation

Karpatchev,A - Fitzke,Ulrich

Kiel Germany 2001

1e4 c5 2c3nc6 3d4 cxd4 4cxd4 d5 5exd5qxd5 6nf3 e6 7nc3bb4 8bd3nf6 9O-Obxc3 10bxc3 O-O 11re1 b6 12bg5nd713be4qd6 14d5 exd5 15bxd5qc716be7nxe7 17rxe7qd8 18rxd7bxd719bxa8re8 20qd4qc7 21bd5re222rd1be8 23h3 h6 24bc4rc2 25qe4ba4 26qa8+kh7 27bd3+ g6 28bxc2bxc2 29rd8qxc3 30qxa7qa1+ 31kh2qf6 32rd4 b5 33qc7bf5 34qe5qb635rd6qc7 36g4be4 37rf6qxe5+38nxe5bd5 39rxf7+bxf7 40nxf7kg741nd6 b4 42ne4 1-0

4: IQP Variation

Okhotnik - Stempin

Uzhgorod 1988

1e4 c5 2c3 d5 3exd5qxd5 4d4nf6 5nf3nc6 6be3 cxd4 7cxd4 e6 8nc3qd6 9bc4be7 10O-O O-O 11rc1nb4 12nb5qd813bf4nbd5 14bg3bd7 15re1bc616ne5qb6 17a4 a6 18bxd5nxd5 19nc4qd8 20nbd6bg5 21ra1nf4 22f3 h523h4bh6 24kf2bd5 25b3 f5 26kf1ng627a5 f4 28bf2nxh4 29re5bg5 30nb6ng6 31rxd5 exd5 32nxb7qe7 33nxa8q

xb7 34n

b6b

h4 35q

e1b

xf2 36q

e6+qf7 37qxf7+kxf7 38kxf2ne7 39rc1nf5 40rc7+ke6 41rc6+kf7 42nxd5nxd4 43rxa6nxb3 44nxf4 h4 45ra7+kf6 46a6nc5 47nd5+ke6 48ne3 g549rc7kd6 50rg7ne6 51rh7kc5 52a7nd4 53rf7ra8 54rg7ne6 55rg6kd656nc4+ke7 57ne5nf4 58rb6nd559rb8nc7 60rxa8nxa8 61ke3nc7

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62nc4na8 63kd4kd7 64ke5kc765kf5kb7 66kxg5kxa7 67kxh4kb768g4kc6 69g5kd5 70g6ke6 71kg5nc772f4nd5 73f5+ke7 74ne5 1-0

5: Twons CountergambitPedersen - Bromberger2003

1e4 c5 2c3 d5 3exd5qxd5 4d4nf6 5nf3bg4 6dxc5qxd1+ 7kxd1 e5 8b4nc69kc2 O-O-O 10bb5bf5+ 11kb2ng412be3 f6 13nbd2 g6 14rad1 a6 15be2bd3 16bxd3rxd3 17nc4rxd1 18rxd1n

xe3 19fxe3

be7 20

nb6+k

b8 21n

d5bd8 22a4 e4 23nd2 f5 24nc4re8 25kb3ne5 26nxe5rxe5 27kc4bg5 28b5re829bxa6 bxa6 30rb1+ka7 31c6rc832rb7+ 1-06: Twons Q-side Majority

Sermek - Riegler

Maribor Pirc 1993

1e4 c5 2c3 d5 3exd5qxd5 4d4nf6 5nf3nc6 6dxc5qxc5 7na3 e5 8be3qa59nc4qc7 10qa4bd7 11nb6rd812nxd7nxd7 13rd1 a6 14be2be715qg4 O-O 16bh6bf6 17ng5nc5 18O-Orxd1 19rxd1qc8 20qg3ne6 21bg4bxg5 22bxg5 f5 23be2kh8 24qh4 b525be3 e4 26f4qc7 27a4 bxa4 28bc4ncd8 29bxa6 a3 30qf2 axb2 31qxb2n

xf4 32b

xf4q

xf4 33q

b4r

g8 34b

c4 e335rf1 e2 36rxf4 e1=q+ 37rf1qe3+38kh1re8 39rxf5 h6 40rf8+kh741bg8+kh8 42be6+rxf8 43qxf8+kh744qg8+ 1-0

7: Lane Var. - 6qd1Kristjansson,S - Gopal,G

2002

1e4 c5 2

c3 d5 3

exd5

qxd5 4

d4n

f6 5n

f3bg4 6dxc5qxd1+ 7kxd1 e5 8b4 e4 9h3bh5 10g4nxg4 11hxg4bxg4 12nd2 exf313bd3nc6 14re1+be7 15kc215a5 16b5nd8 17a4ne6 18ba3 O-O-O19nb3bh4 20be4ng5 21bxb7+kxb722re7+kc8 23b6ne6 24ra7bf5+25kb2be4 26re1bd5 27c4bf6+28kb1bb7 29nxa5bc3 30c6bxa531cxb7+kb8 32rxa5kxb7 33ra7+kxb634rxf7rhe8 35be7nc7 36bxd8rxe1+37kc2re2+ 38kd3rxf2 39bxc7+kc640bg3ra2 41rxf3ra3+ 42ke4rxa443kd4ra7 44re3rd7+ 45kc3rf746re6+kc5 1-0

8: Lane Var. - 6qc5Sveshnikov,E - Gashimov,V

Dubai UAE 2003

1e4 c5 2c3 d5 3exd5qxd5 4d4nf6 5nf3bg4 6dxc5qxc5 7na3 a6 8h3bh5 9be3qc7 10g4bg6 11bg2 e6 12qa4+nbd713bf4qc8 14ne5bc5 15O-O-Ora716nxd7nxd7 17bd6 b5 18qf4bxd619qxd6qc5 20f4 b4 21nc4 bxc3 22f5cxb2+ 23kb1bxf5+ 24gxf5qxf5+ 25rd3qc5 26rhd1qxd6 27nxd6+ke7 28nxf7rc8 29kxb2rc5 30nd6rac7 31r3d2ne5 32bf1r5c6 33be2 g5 34ne4 h635rf1rb6+ 36ka1rbc6 37kb1ng638nf6nf4 39ng8+kf8 40nxh6kg741ng4nxh3 42ne5rb6+ 43rb2rd644nd3rf7 45rxf7+kxf7 46nc5nf447ne4rd5 48bxa6kg6 49bb7ra550nf2kh5 51bf3+kh4 52rb3 e5 53re3rb5+ 54kc2rc5+ 55kd2rb5 56kc3

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rc5+ 57kb2rb5+ 58ka1ra5 59a3rc560kb2rb5+ 61ka2rc5 62ng4ng663kb3kg3 64be2+kg2 65kb4rc766a4nf4 67bf3+kg3 68a5 e4 69bd1+kg2 70rxe4nd5+ 71kb3rc3+ 72kb2rc5 73a6nc3 74rd4nxd1+ 75rxd1rb5+ 76kc3ra5 77rd6kf3 78nf6 g479nxg4kxg4 80kb4ra1 81kb5kf582kb6ke5 83kc7rh1 84rg6kd5 85a7rh7+ 86kb6rh8 87rg7kd6 88kb7kd5 1-0

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Early exchange 4 c5xd4

1 - 4: Early IQP Variation

Blacks immediate exchange of pawns is forcing

- it achieves the isolated queen pawn structure -

but it also allows whites knight to develop on

c3, gaining time by attacking the queen. Perhaps

the loss of time was inevitable.

!""""""""#

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The classic IQP positions popularized bySteinitz and Botvinnik can be reached by 6 e6

or 6 nc6 7nf3 e6. What if black tries tobreak out of those positions? He can either

develop his queen bishop outside the pawn

structure, that is, before playing e6, or he can

immediately counter in the center with e5.

1. 6 nc6 7nf3bg4Aggressively going after the d-pawn.

2. 6 nc6 7nf3 e5Schlecters idea of hitting the center.

3. 6 e6Lines where black playsbb4xc3 creating anisolated pawn duo in the center. (Keeping the

IQP structure is examined in line 4.)

1The Kirilov Gambit

1 e4 c5 2 c3 d5 3 exd5qxd5 4 d4 cxd4 5 cxd4nc6 6nf3bg4Alternatives let white overwhelm the center with

quick attack. E.g.

6nf6 7nc3qa5(7qd6 8d5nb4 9bc4 Lendwai,R -Danner,G, Austria Tch 9293 (1) 1992;

7qd8 8d5nb8 (8nb4 9qa4+) 9bf4Hresc,Vladimir - Trumpp,Lothar, BadMergentheim 1988 9a6 10qa4+bd711qb3 b6 12be3 b5 13a4qa5 14ne5 +/-Hresc,Vladimir - Trumpp,Lothar, Bad

Mergentheim 1988)

8d5!""""""""#$t+v+lV*T%$Oo+*OoOo%

$*+m+*M*+%$W*+p+*+*%$*+*+*+*+%$+*N*+n+*%$pP*+*PpP%$R*BqKb+r%/(((((((()

8nb4 9a3 +- Richards,H - Keskin,S,Istanbul TUR (2) 2003;

7 nc3

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!""""""""#$t+*+lVmT%$Oo+*OoOo%$*+m+*+*+%$+*+w+*+*%

$*+*P*+v+%$+*N*+n+*%$pP*+*PpP%$R*BqKb+r%/(((((((()

7 bxf3Again, if black lets white play d5 he gets blown

away. The queen sacrifice tactic is worthy of

notice.

7qa5 8d5ne5!""""""""#$t+*+lVmT%$Oo+*OoOo%$*+*+*+*+%$W*+pM*+*%$*+*+*+v+%

$+*N*+n+*%$pP*+*PpP%$R*BqKb+r%/(((((((()

(8O-O-O 9bd2nb4 10rc1kb8 11nb5 +-;8rd8 9bd2ne5 10nxe5 +-;8nb8 9bc4nd7 10qb3)

9nxe5!bxd1 10bb5+kd8 (10qxb511nxb5 O-O-O 12bf4 +- Trabert - Norevall, Gausdal1992) 11nxf7+kc8 12kxd1 +-Kirilov,Valentins - Skuia,P, Tallinn 1965;

7qh5 8d5bxf3 (8O-O-O 9qa4bxf310gxf3ne5 (10qxf3 11dxc6 +-) 11be2nxf3+ 12bxf3qxf3 13rg1 +-) 9gxf3 O-O-

O 10qa4 Morvay - Spitzlsperger, Budapest1989 and Orton - Tew, USA 1990

!""""""""#$*+lT*VmT%$Oo+*OoOo%

$*+m+*+*+%$+*+p+*+w%$q+*+*+*+%$+*N*+p+*%$pP*+*P*P%$R*B*Kb+r%/(((((((()

;

7

qe6+ 8

be3 O-O-O 9

d5q

f6 10q

c1 +-Basically, every queen move gets killed by

pushing the queen pawn.

8 gxf3 qxd49 qxd4 nxd4

10 nb5!!""""""""#$t+*+lVmT%$Oo+*OoOo%

$*+*+*+*+%$+n+*+*+*%$*+*M*+*+%$+*+*+p+*%$pP*+*P*P%$R*B*Kb+r%/(((((((()

10 nc2+10ne6 11f4! g6 12bg2 O-O-O (12bg7Dyckmans - Abolianin, Ghent op 1995 13bxb7!?)13be3 a6 14rc1+kb8 15ba7+ka816bb6 +- Mikhalchishin - Sellos, Primorsko1978

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!""""""""#$l+*T*VmT%$+o+*Oo+o%$oB*+m+o+%$+n+*+*+*%

$*+*+*P*+%$+*+*+*+*%$pP*+*PbP%$+*R*K*+r%/(((((((()

;

10e5 11nc7+kd7 12nxa8bb4+13kd1 +/=ne7 14f4!? Cirabisi - Leoncini,Imperia 1988!""""""""#$n+*+*+*T%$Oo+lMoOo%$*+*+*+*+%$+*+*O*+*%$*V*M*P*+%$+*+*+*+*%$pP*+*P*P%

$R*Bk+b+r%/(((((((()

;

10O-O-O 11nxd4rxd4 12be3!""""""""#$*+l+*VmT%$Oo+*OoOo%$*+*+*+*+%

$+*+*+*+*%$*+*T*+*+%$+*+*Bp+*%$pP*+*P*P%$R*+*Kb+r%/(((((((()

12rd7

(12ra4 13rc1+kd8 14bb5 Rachels - Einarsson1981; 12rd6 13bxa7nf6 14rc1+;12rb4 13bc5rxb2 14bh3+kb8 15O-O-Orxa2 16rd8+kc7 17rc8#)13bb5rc7 14bxa7 e6 (14e5 15bb6bb4+16kd1) 15bb6bb4+ (15rc2 16O-Orxb2(16ne7 17rac1rxc1 18rxc1+nc6 19ba5(19a4kb8 20a5) 19bd6 20bxc6) 17rfd1be718bd7+ Pilaj,H - Pridorozhni,A, Oropesa del Mar ESP1999) 16kd1 +- Hennings,Artur -Bindrich,Oswald, Schwerin 1969;

10rd8 11nxd4rxd4 12be3rb4 13a3!""""""""#$*+*+lVmT%

$Oo+*OoOo%$*+*+*+*+%$+*+*+*+*%$*T*+*+*+%$P*+*Bp+*%$*P*+*P*P%$R*+*Kb+r%/(((((((()

13rh4 14bb5+ +- Kiss - Porubszky,Tungsram 1991;

10nxb5 11bxb5+kd8 12bf4 +-Uppstrom - Sundman, 1959

!""""""""#$t+*L*VmT%$Oo+*OoOo%$*+*+*+*+%

$+b+*+*+*%$*+*+*B*+%$+*+*+p+*%$pP*+*P*P%$R*+*K*+r%/(((((((()

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11 kd1!""""""""#$t+*+lVmT%$Oo+*OoOo%$*+*+*+*+%

$+n+*+*+*%$*+*+*+*+%$+*+*+p+*%$pPm+*P*P%$R*Bk+b+r%/(((((((()

11 rc811nxa1 12nc7+kd7 13nxa8 g614

be3!""""""""#$n+*+*VmT%$Oo+lOo+o%$*+*+*+o+%$+*+*+*+*%$*+*+*+*+%$+*+*Bp+*%$pP*+*P*P%

$M*+k+b+r%/(((((((()

14bh6(14bg7 15bxa7 +-;14b6 15bb5+kc8 16bf4bh6 17ba6+ +/-Wuhrmann,D - Guiot,J, Paris 1993)

15bb5+kd6 16bxa7nf6 17nb6 +/=r

d8 18k

e2n

c2

!""""""""#$*+*T*+*+%$Bo+*Oo+o%$*N*L*MoV%$+b+*+*+*%

$*+*+*+*+%$+*+*+p+*%$pPm+kP*P%$+*+*+*+r%/(((((((()

19rd1+kc7 20rxd8kxd8 21nc4 +/=12 nxa7 rc513 rb1!""""""""#$*+*+lVmT%$No+*OoOo%$*+*+*+*+%$+*T*+*+*%$*+*+*+*+%$+*+*+p+*%$pPm+*P*P%$+rBk+b+r%/(((((((()

13be3nxe3+ 14fxe3 is also playable. Key Game 1Pedersen - Vistisen, Esbjerg 1997

13 ra514 kxc2 rxa715 bb5+ kd816 rd1+ kc817 bf4 +-

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2Schlecter Variation

1 e4 c5 2 c3 d5 3 exd5qxd5 4 d4 cxd4 5 cxd4nc6 6nf3e5This is the second playable alternative to classic

IQP positions.

7 nc3!""""""""#$t+v+lVmT%$Oo+*+oOo%$*+m+*+*+%

$+*+wO*+*%$*+*P*+*+%$+*N*+n+*%$pP*+*PpP%$R*BqKb+r%/(((((((()

7 bb48 bd2 bxc39 bxc3 e4

9qe4+ 10qe2qxe2+ 11bxe2 exd412nxd4 +/-;9exd4 10nxd4nf6 (10nxd4 11qxd4qxd4 12bxd4 +/-) 11nxc6qxc6 12bxf6qxf6 13bb5+kf8 14O-O +/-

10 ne5 nxe5

10

nh6 11

bc4q

d6 12q

e2b

f5 13r

d1rd8 14O-O O-O 15h3 +/- Ostermeyer,Peter -Kaiser,Wolfgang, Germany 1987

11 dxe5 ne712 be2

!""""""""#$t+v+l+*T%$Oo+*MoOo%$*+*+*+*+%$+*+wP*+*%

$*+*+o+*+%$+*B*+*+*%$pP*+bPpP%$R*+qK*+r%/(((((((()

12 O-O

13 O-O bf513qe6 14qd4qg6 15rfe1be6Pavasovic - Starostits, Bled 2002

(15nc616qe3bf5 17rad1rad8 18h4 +/= Smagin,S -Yagupov,I, Moscow (1) 1995) 16bc4!;13bd7 14qc1bc6 15rd1qe6 16rd6qf5 17g4qc8 18qg5qc7 19rad1 +/- Vander Brink,P - Bezemer,A (2215), semi final

(Enschede): ch-NED (1) 1993;

13rd8 14bc4qxd1 15rfxd1bg416rd6rxd6 17exd6 +-nc6 18h3Hudoba,Ondrej - Blaho,Stefan, SVK 1998

14 qa4 qe615 rfd1 nd516 bc4 nxc317 bxe6 nxa418 bxf5 +/-

Key Game 2;Reitinger - Jelinek, Svetla nad Sazavou 1997

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Hogeye Bill 7/9/12

3Isolated Duo Variation

1 e4 c5 2 c3 d5 3 exd5qxd5 4 d4 cxd4 5 cxd4e6

!""""""""#$tMv+lVmT%$Oo+*+oOo%$*+*+o+*+%$+*+w+*+*%$*+*P*+*+%$+*+*+*+*%$pP*+*PpP%

$RnBqKbNr%/(((((((()Others:

5e5 6nf3nc6 7nc3 - Schlecter Line 2;5nf6 6nf3 e6 (6nc6 7nc3 & push d pawn;6g6 7nc3qd8 8bc4bg7 9ne5 Castaldo -Mastrorilli, Torino,ITA 1998) 7nc3 - IQP Line 4;5g6 6nf3nf6 (6bg7 7nc3qd8 8bc4nh6 Raubal - Karner, Austria 1998) 7nc3qd88bc4bg7 9ne5 Castaldo - Mastrorilli,Torino,ITA 1998

6nf3 nc66nf6 7nc3bb4 8bd3nc6 transposes;6a6 does, too.

7 nc3 bb47qa5 8bc4nf6 9O-O (9a3!?ne4 10qc2nxc3 11bxc3be7 12O-O O-O 13rb1Hornung,Ruediger - Funke,Eckhard, Ruhrgebiet 1998)

9be7 Mirouze,Frederic - Fournier,Philippe,Creon 1997 (9nb4 10bd2qc7 11ne5 a612rc1 Seitaj,I (2420) - Adu,O, Moskou olm (1) 1994);7qd6 8bc4nf6 9O-O (9a3be7 10O-OO-O 11re1 De Dovitiis,Alejo - Gamarra

Caceres,Car, Chaco (1) 1993) 9be7 10re1O-O 11a3 De Dovitiis,Alejo - GamarraCaceres,Car, Chaco (1) 1993

8 bd3 nf6

8

nge7 9

O-O

qa5 (9

qh5 10

a3b

a511ne4nf5 12bc2 Leite,C - Flores,Ju, Barreiro POR(8) 2000; 9qd8 10re1 O-O 11bxh7+kxh712ng5+kg6 13qg4 e5 14ne6+ Dukurs,I - Kislicis,L,Moscow (1) 1970) 10bd2nd5 (10qd8 11re1(Andersen,Erik Rune - Moller,Arne, Taastrup,DEN;Aktiv

Alliancen (7) 1999)) 11a3be7 12re1 PontMulet,Antonio - Navarrete,Sebastian, Palma de

Mallorca (1) 2002;

8qa5 9bd2nf6 10O-O O-O 11a3be712qe2 a6 13rac1qd8 14be3Horther,Heinrich - Christ,Rene, Bayern 1998;8qh5 9O-Onf6 10a3ba5 11b4bc712h3 O-O 13be2 Roza,Peter -Kordahi,Nicholas, Canberra AUS (3) 2001

9 O-O bxc310 bxc3 O-O

11 re1 b612 bg5!""""""""#$t+v+*Tl+%$O*+*+oOo%$*Om+oM*+%$+*+w+*B*%$*+*P*+*+%$+*Pb+n+*%$p+*+*PpP%

$R*+qR*K*%/(((((((()12 nd713 be4 qd614 d5 +/=

Key Game 3Karpatchev,A - Fitzke,Ulrich, Kiel GER 2001

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4IQP Variation

1 e4 c5 2 c3 d5 3 exd5qxd5 4 d4 and now... cxd4 5 cxd4nc6 6nf3 e6 or usually...nf6 5nf3 e6 6be3 cxd4 7 cxd4!""""""""#$tMv+lV*T%$Oo+*+oOo%$*+*+oM*+%$+*+w+*+*%$*+*P*+*+%$+*+*Bn+*%

$pP*+*PpP%$Rn+qKb+r%/(((((((()

we get the isolated queen pawn structure. White

will be trying to leverage his better center into

an attack, while black will try to whittle it down

to an endgame where he has chances of winning

the isolani. In general, the IQP is strong in the

middle game but weak in an endgame, so white

and black play accordingly.

Lets use the second move order.

1 e4 c5 2 c3 d5 3 exd5qxd5 4 d4nf6 5nf3e6

!""""""""#$tMv+lV*T%$Oo+*+oOo%$*+*+oM*+%$+*Ow+*+*%$*+*P*+*+%$+*P*+n+*%$pP*+*PpP%$RnBqKb+r%/(((((((()

6 be3

This bishop move virtually forces black to

capture, clarifying the pawn structure. Yet from

blacks point of view, the bishop may be

misplaced on e3 (it often goes to g5) so this

seems a reasonable way to play the black side of

the IQP struggle..

6 cxd4

7 cxd4

!""""""""#$tMv+lV*T%$Oo+*+oOo%$*+*+oM*+%$+*+w+*+*%$*+*P*+*+%

$+*+*Bn+*%$pP*+*PpP%$Rn+qKb+r%/(((((((()

7 nc67bb4+ 8nc3bd7 9bd3bb5 10O-Obxc3 11bxc3 O-O 12rb1! +/= (12bxb5qxb513qb3 +/= Orton,Bill - Kudrin,Sergey, Jerry SpannMemorial (2) 2008) 12bxd3 13qxd3 +/=

8 nc3!""""""""#$t+v+lV*T%$Oo+*+oOo%$*+m+oM*+%$+*+w+*+*%$*+*P*+*+%$+*N*Bn+*%

$pP*+*PpP%$R*+qKb+r%/(((((((()

8 qd6(8qd8 9bc4be7 10O-O O-O

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Hogeye Bill 7/9/12

!""""""""#$t+vW*Tl+%$Oo+*VoOo%$*+m+oM*+%$+*+*+*+*%

$*+bP*+*+%$+*N*Bn+*%$pP*+*PpP%$R*+q+rK*%/(((((((()

11ne5!?qc7 12nb5qa5 13qe1!? +/=;8qa5; 8bb4)

9 bc49a3be7 10qc2 O-O 11bd3bd7 12O-Orac8 13rad1rfd8 14rfe1 +/=

9 be710 O-O O-O

11 rc1 +/=!""""""""#$t+v+*Tl+%$Oo+*VoOo%

$*+mWoM*+%$+*+*+*+*%$*+bP*+*+%$+*N*Bn+*%$pP*+*PpP%$+*Rq+rK*%/(((((((()

11 nb412 ne5 +/=

12re1 +/=; 12nb5qd8 13bf4 +/= Key Game 4Okhotnik - Stempin, Uzhgorod 1988

12 nbd513 bd3 +/-

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Hogeye Bill 7/9/12

IQP declined; White plays d4xc5

5 - 8: Two Knights or Lane Var.

1 e4 c5 2 c3 d5 3 exd5qxd5 4 d4nf64cxd4 is the Early IQP Variations 1-4;4nc6 5nf3bg4 (5nf6 - Two Knight'sVar) 6dxc5qxd1+ 7kxd1 e5 8b4 e4 9h3bh5 10g4bg6 Khelmnitsky - Abbasi,Philadelphia 1994 11nh4 +/-

5 nf3Now black must make a decision. He can go into

an IQP game as in lines 3 and 4, he can develop

his knight or bishop.

5dxc5!? the Ferengi Variation is worthconsidering.

5 - 6Two Knights Variation

5 nc66 dxc5

!""""""""#$t+v+lV*T%$Oo+*OoOo%$*+m+*M*+%$+*Pw+*+*%

$*+*+*+*+%$+*P*+n+*%$pP*+*PpP%$RnBqKb+r%/(((((((()

6 qxc56qxd1+ 7kxd1bg4 8b4!""""""""#

$t+*+lV*T%$Oo+*OoOo%$*+m+*M*+%$+*P*+*+*%$*P*+*+v+%$+*P*+n+*%$p+*+*PpP%$RnBk+b+r%/(((((((()

8e5 9kc2 +/- O-O-O 10bb5bf5+11kb2ng4 12be3 f6 13nbd2 Key Game 5Pedersen - Bromberger, 2003

7 na3 e58 be3

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Hogeye Bill 7/9/12

!""""""""#$t+v+lV*T%$Oo+*+oOo%$*+m+*M*+%$+*W*O*+*%

$*+*+*+*+%$N*P*Bn+*%$pP*+*PpP%$R*+qKb+r%/(((((((()

8nb5qe7 9b3; 8nc48 qa59 nc4! +/- qc7

10q

a4b

d711 nb6 rd812 nxd7 +/-

Key Game 6Sermek,D - Riegler,P, Maribor Pirc 1993

7 - 8Lane Variation

5 bg46 dxc5 qxd1+

6qxc5 7h3bh5 (7bd7) 8na3 a6(8nbd7 9be3qc7 (9qc8) 10nb5qb8 11g4bg6 12g5ne4 13nh4 a6 14nxg6 hxg6 15qd5 +/-Vlassov,Nikolai - Avrukh,Boris, Moscow 2002)

9be3!""""""""#$tM*+lV*T%

$+o+*OoOo%$o+*+*M*+%$+*W*+*+v%$*+*+*+*+%$N*P*Bn+p%$pP*+*Pp+%$R*+qKb+r%/(((((((()

9qc7 10g4bg6 11bg2 e6 (11be4 12g5nfd7 13qd4bxf3 14bxf3 +/- Alekseev,E - Buckley,S,Oropesa del Mar ESP 1999) 12qa4+nbd7 13bf4+-

Key Game 8Sveshnikov - Gashimov, Dubai UAE 2003

!""""""""#$t+*+lV*T%$+oWm+oOo%

$o+*+oMv+%$+*+*+*+*%$q+*+*Bp+%$N*P*+n+p%$pP*+*Pb+%$R*+*K*+r%/(((((((()

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H Bill 7/9/12

7 kxd1!""""""""#$tM*+lV*T%$Oo+*OoOo%$*+*+*M*+%

$+*P*+*+*%$*+*+*+v+%$+*P*+n+*%$pP*+*PpP%$RnBk+b+r%/(((((((()

7 e5

8 b4 e4

9 h3

!""""""""#$tM*+lV*T%$Oo+*+oOo%$*+*+*M*+%$+*P*+*+*%$*P*+o+v+%$+*P*+n+p%$p+*+*Pp+%$RnBk+b+r%

/(((((((()9 bh5

9exf3 10hxg4nxg4 11ke1 fxg2 12bxg2nc6 13bf4 Orton,Bill - Mokriak,Liudmila,Oklahoma 2008

!""""""""#$t+*+lV*T%$Oo+*+oOo%

$*+m+*+*+%$+*P*+*+*%$*P*+*Bm+%$+*P*+*+*%$p+*+*Pb+%$Rn+*K*+r%/(((((((()

10 g4 nxg410bxg4 11hxg4 exf3 12bh3 Khin Than -Bu Xiangzhi , Scheveningen 1999

11 hxg4 bxg412

nd2 exf3

13 bd3 nc613nd7 14re1+be7 15kc2 h5 16nc4+/= Miljanic - Vuckovic, Petrovac 2004;

13h5 14re1+be7 15be4 +/= Kosintseva- Paehtz, Istanbul 2003

14 re1+ be714be6 15nxf3 O-O-O 16kc2 +/- Emms -David, Escaldes AND 1998

15 kc2 +/= Key Game 7Kristjansson - Gopal,2002

!""""""""#$t+*+l+*T%

$Oo+*VoOo%$*+m+*+*+%$+*P*+*+*%$*P*+*+v+%$+*Pb+o+*%$p+kN*P*+%$R*B*R*+*%/(((((((()

sicilian c3 2...d5

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