61

Sicilian DefenceAlapin Variation SI 47.3 (B22)

New Ideas in the Alapinby Sergey Tiviakov

1. e4 c52. c3 Àf63. e5 Àd54. Àf3 Àc65. Ãc4 Àb66. Ãb3

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It is not so easy to play withWhite against the Sicilian De-fence. There is too much theorynowadays, especially in theNajdorf and the Sveshnikov sys-tems. One has to work longhours to study all the recentgames and analyse the criticalpositions. And even if you knoweverything, there is no guaranteethat you get an advantage inthose systems with White.This is why more and more play-ers are looking for possibilitiesto avoid heavily theoretical posi-tions and returning to the ‘goodold days’ without computers,when chess was still chess andthe understanding of the gamewas much more important thanthe knowledge of modern theory.Let’s not forget that chess is agame, not a memory contest!

The present author is one ofthose players who like get awayfrom the well-known theoreticalpaths. But the aim should be notonly to move away from the the-ory, but also to reach complexpositions in which White hasgood prospects of an advantage.A while ago, in one of the Year-books, I spent some time tryingto convince the readers of the ad-vantages of 2.Àc3, but sincethen, Black has found severalways to get comfortable posi-tions. Now I would like to attractyour attention to another move:2.c3, which was introduced intomodern practice by EvgenySveshnikov. This is the aim ofthe present Survey!I started playing 2.c3 as long agoas 1989, still only occasionally atthat time. Now, in 2005, I play itin almost every Sicilian game.And not without success, as Ihave won almost all my gameswith it – an Elo-performance ofaround 3000! See the supple-mentary games! Even at the re-cent 6th European IndividualChampionship, 2.c3 yielded methree out of my total of four wins.Only Radjabov managed todraw!

Other RepliesBlack has several possibilities inreaction to 2.c3. Although I meet2.c3 with 2...d5 myself, thestrongest move is 2...Àf6. Afterall other replies; 2...d5

(Tiviakov-Espig), 2...d6 (Tivi-akov-Cao Sang) or 2...e6, Whitehas a comfortable plus. White’splay is simple and easy to under-stand.After 2.c3 Àf6 3.e5 Àd5, I think4.Àf3 or 4.Ãc4 are the most in-teresting moves! It is not advis-able to play 4.d4 immediately,since it limits White’s possibili-ties. 4.Àf3 is the most commoncontinuation. After 4...Àc6(4...e6 and 4...d6 are worse)5.Ãc4 Àb6 6.Ãb3 (6.Ãe2promises no advantage at all),Black must choose between twodifferent approaches: 6...c4 or6...d6/d5.

Sharp and ComplexIf Black plays 6...c4, he must beready for the extremely sharpand complex positions arisingafter 7.Ãc2 ©c7 8.©e2 g5 9.h3

NEW

INC

HES

S

Sergey Tiviakov

Other replies2.c3

Tiviakov,SergeyEspig,LutzBad Wörishofen 2005 (4)

1.e4 c5 2.c3 d5 3.ed5 ©d5 4.d4 e65.Àf3 Àf6 6.Àa3 ©d8 7.Àc2 Àc68.Ãd3 Ãe7 9.0-0 0-0 10.©e2 b6?!11.dc5!? bc5 [11...Ãc5 12.Ãg5 Ãb713.Õad1 ©c7 14.Ãf6 gf6 15.©e4 f516.©h4å] 12.Ãf4 ©b6 13.Àa3 Àa514.Àe5 Ãb7 15.Ãg5 Õad816.Õad1 Ãa8 17.Õfe1 Àc618.Àac4 ©b7 19.Àc6 ©c6 20.f3©c7 21.©e5 ©e5 22.Àe5 Õd5

23.Ãc4 Õd1 24.Õd1 Õd8 25.Õd8Ãd8 26.Àd3 Ãb6 27.Ãe3 Àd7

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28.Ãb5!? c4í 29.®f2 cd3 30.Ãd7d2 31.Ãa4 Ãd5 32.Ãb6 ab6 33.a3

e5 34.®e3 ®f8 35.Ãc2 f5 36.®d2g6 37.h4 ®e7 38.Ãd3 ®f6 39.c4Ãc6 40.b4 h6 41.b5 Ãb7 42.a4®e7 43.c5 bc5 44.a5 ®d6 45.Ãc4Ãc8 46.b6 ®c6 47.®d3 g5 48.h5

1-0

Tiviakov,SergeyCao SangWarsaw Ech 2005 (9)

1.e4 c5 2.c3 d6 3.d4 Àf6 4.Ãd3 g65.dc5! dc5 6.e5 Àd5 [6...c4?! 7.©a4Ãd7 8.©c4å Àg4 9.f4 e6 10.Ãe4 ©b611.©e2 Ãc5 12.Àh3 h5 13.Àd2 Ãb514.©f3 Àe3 15.b4ê Tiviakov-Odendahl,Vlissingen 2004] 7.Ãe4 Àc7 8.©d8

62

Ãg7 10.0-0 Àe5 11.Àg5 (seemy game against Radjabov),

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when both sides have lots of dif-ferent possibilities to choosefrom. But it is White who has theinitiative and Black has to defendaccurately in order not to findhimself in a difficult position im-mediately. I have already playedmany games that confirm this as-sertion.Beside 9.h3, White can chooseanother approach: 9.e6, whichalmost forcibly leads to an end-ing that is very complex and dif-ficult to understand, too. If Blackdoesn’t exchange queens, he canlose very quickly, as in the gameTiviakov-Czarnota. This sharpendgame occurred in my gamesagainst Van Wely and Ranola.

Black can probably reach anequal position. But even then hehas a hard life if he doesn’t knowwhat to do. The sample games il-lustrate Black’s difficulties.

Even HarderIf Black chooses 6...d6/d5 7.ed6©d6, then after 8.Àa3 the gametakes less sharp twists than in theprevious line. But here, it is evenharder for Black to get a reason-able position. My games fromGausdal against Carlsen andKülaots are quite illustrative.

An Extra PossibilityBeside 4.Àf3, White has a veryinteresting possibility, which Idiscovered right before my gameagainst Neverov: 4.Ãc4.

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The idea of 4.Ãc4 is that Whitedoes not yet decide where to puthis g1 knight, saving time andforcing Black to decide on theposition of his d5 knight. IfBlack plays 4...Àb6, the gamecan transpose to the main linesafter 4.Àf3. If Black plays 4...e6,like Neverov, then he must beready to play with an isolatedpawn, as happened in our game.The extra possibility of 4.Ãc4 isa good indication of White’smany resources and of the com-plexity of the position. You canjust play anything in the Sicilianon move 4 and still fight for anadvantage!

ConclusionI hope to have convinced thereader of the advantages of themove 2.c3. White’s chances ofan advantage are much higherthan after 2.Àf3 and there ismuch space for improvement onboth sides for years to come!!!Personally, I will stick to 2.c3.You can expect more of mygames with this move in thecoming months. After all, the Si-cilian is still the most popular de-fence against 1.e4.

®d8 9.Ãe3 [9.Àa3!?; 9.f4] 9...Àd7[9...Àe6 10.f4 (10.Àa3 ®c7 (10...Àc611.0-0-0 ®c7 12.Àc4 b6 13.f4 Ãa614.Àa3 Ãh6 15.g3 Õad8 16.Àf3 f6 17.ef6ef6 18.Õd8 Õd8 19.Õd1= S.Erenburg-Gerzhoy, Ashdod 2003) 11.Àb5 ®b6 12.a4Ãd7 13.c4?! (13.b4å) 13...Àc6 14.Àf3Ãg7 15.Àc3 Àe5 16.Àd5 ®a6 17.Àe5Ãe5 18.f4 f5? (18...Ãb2!) 19.fe5 fe4 20.0-0(20.a5å) 20...Õhf8? (20...b6 21.Õf7å;20...Ãc6 21.Àe7 Õhf8) 21.Õfd1? (21.Õf8Õf8 22.a5ê) 21...Õad8? (21...Ãc622.Àe7 Õad8 23.Àd5Ç) 22.a5êSermek-Cebalo, Maribor 1994; 10.Àd2 ®c711.f4 Ãd7 12.Àe2 Ãc6 (Moskalenko-B.Savchenko, Kazan 2003) 13.h4å)10...®c7 11.Àf3 Ãd7 12.Àbd2 Ãc6 13.h4h5 14.0-0-0 (14.Àg5 Àg5 15.hg5 b616.b4å) 14...Ãh6 15.g3 Àd7 16.Ãc6 ®c617.Àe4 Àb6Ç 18.Àc5?! Àc5 19.Àd4®c7 20.Àb5 ®c6 21.Àd4 ®c7 22.Àb5½-½ Schukin-Solovjov, St Petersburg 2001]10.f4 [10.Àf3 f5 11.ef6 ef6 12.Àa3 f513.Ãc2 b5 (13...Àd5å) 14.0-0-0ê a615.Õhe1 Àe6 16.Ãb3 c4 17.Àg5 ®e718.Àe6 cb3 19.Ãd4 1-0 Salai-Demeter,Nove Zamky 1999] 10...f6 [10...Ãh611.Àf3 f6 12.®e2 Àe6 (12...Õb8 13.Õd1®e8 (Mart-E.Gross, Haifa/Tel Aviv 1971)14.Àbd2å) 13.g3Ç fe5 14.fe5 Ãg715.Àbd2 Ãe5 16.Õad1 Ãd6 17.Àc4®c7= A.Huber-M.Bauer, Germany Bundes-liga B 1998/99; 10...Õb8 11.Àf3 b612.Àbd2 Ãb7 13.0-0-0 Àd5 14.Õhe1åGeorgiadis-Kuzubov, Denizli jr 2003]11.Àd2 Ãh6 12.ef6 ef6 13.®f2 Àe614.g3 f5 15.Ãg2 Àf6 16.h3Ç Ãd7?

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17.Àb3å [c5<, b7<] 17...Àe4 18.Ãe4fe4 19.Àc5 Àc5 20.Ãc5 Ãc621.Ãe3 ®c7 22.Àe2 Õhe823.Õhd1 Õad8 24.h4 Ãd7?!25.Ãd4!ê Ãg4 26.Ãe5 ®c827.Õd8 Õd8 28.Àd4 Ãf8 29.®e3

Ãf5 30.h5 Ãc5 31.hg6 hg6 32.Õg1a5 33.b3 a4 34.ba4 Ãe6 35.Õg2Ãd5 36.Õh2 Ãc6 37.a5 Ãd438.Ãd4 Õd5 39.Õh8 ®d7 40.Õg8Õa5 41.Õg6 Õa2 42.f5 Õa1 43.®f4Õf1 44.®e5 Ãa4 45.g4 Ãc246.Õd6 ®e8 47.®f6 Õf3 48.Ãb6Õd3 49.Õd3 ed3 50.Ãe3 ®f8 51.g5®g8 52.g6 b5 53.®g5 1-0

Sharp and complex6.Ãb3 c4

Tiviakov,SergeyRadjabov,TeimourWarsaw Ech 2005 (7)

1.e4 c5 2.Àf3 Àc6 3.c3 Àf6 4.e5Àd5 5.Ãc4 Àb6 6.Ãb3 c4 7.Ãc2©c7 8.©e2 g5 9.h3 Ãg7 10.0-0Àe5 11.Àg5 d5 12.a4 Ãd7 13.a5[13.Õe1 e6 14.a5 Àc8 15.d4 cd3 16.Ãd3h6 17.Àf3 Àd3 18.©d3 Àe7 19.a6 b620.Àa3 0-0 21.Àb5 ©b8 (21...Ãb522.©b5 e5 23.©b4 e4 24.Àd4 Õad825.Ãe3Ç Pavasovic-A.Fedorov, Calvia ol2004) 22.Àh4 (22.Ãe3Ç) 22...e523.Àd4?! Maliush-A.Fedorov, Minsk 2005(23.Ãf4=) 23...ed4! 24.Õe7 ©d8 25.Õd7©d7 26.Àf5 dc3 27.Àg7 ®g7 28.©c3®h7 29.©d3 f5ç] 13...Àc814.Àf3!?N [14.d4 cd3 15.Ãd3 Àd616.Õe1 0-0-0 17.Ãe3 ®b8 18.Àd2 h619.Àgf3 Àf3 (¿ 19...Àd3 20.©d3 e6=)20.©f3 (Pavasovic-A.Fedorov, Rabac 2004)20...Ãc6Ç] 14...Àg6 15.d4 cd316.©d3 e6 17.Õe1 Àce7 18.a6 e519.ab7 ©b7 20.©a6 ©c7 21.©a5

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21...©b7 [22.c4!? (22.Ãg6 Àg623.Àe5 Àe5 (23...Ãe5 24.f4 Õg8º)24.f4 0-0 25.fe5 Õfe8º) 22...dc4 (22...e4

23.cd5 ef3 24.d6 fg2 25.de7Ç) 23.Àe5(23.Ãg6 Àg6 (23...hg6 24.Àe5 Õh5º)24.Àe5 Àe5 25.Õe5 Ãe6º) 23...Àe524.Õe5 Ãe5 25.©e5 Õg8 26.Ãe4 Ãc627.Àc3 f5 28.Àb5 Õg6 29.©h8 ®d730.©d4=; 21...©a5 22.Õa5 e4 23.Àd4Õg8º] ½-½

Tiviakov,SergeyCzarnota,PawelWarsaw Ech 2005 (2)

1.e4 c5 2.c3 Àf6 3.e5 Àd5 4.Àf3Àc6 5.Ãc4 Àb6 6.Ãb3 c4 7.Ãc2©c7 8.©e2 g5 9.e6 de6 10.Àg5h6N 11.Àe4 [11.Àf3!?] 11...Ãd7[11...Àe5!?] 12.Àa3 0-0-0 [12...Àe5!?]13.b3 [13.Àc4 Àd4 14.Àb6 (14.cd4©c4¤) 14...ab6 15.cd4 ©c2¤] 13...Àe514.bc4 Àec4 15.d4 [15.Àc4!?]15...Õg8 [15...Àa3 16.Ãa3Ç] 16.Àc4Àc4 [16...©c4 17.Ãd3Ç] 17.0-0 Ãc618.Ãd3 [18.©c4?? Õg2î] 18...Ãd519.Õb1Ç f5?! [19...e5!?] 20.Àg3å®d7?? [20...©c6 £ 21.Õb4 b5]21.Õb5 Àd6 22.Õc5 1-0

Tiviakov,SergeyVan Wely,LoekEnschede pff 2005 2005 (1)

1.e4 c5 2.c3 Àf6 3.e5 Àd5 4.Àf3Àc6 5.Ãc4 Àb6 6.Ãb3 c4 7.Ãc2©c7 8.©e2 g5 9.e6 de6 10.Àg5©e5 11.d4 cd3 12.Ãd3 ©e213.Ãe2

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13...h6 14.Àe4 e5 [14...Ãg7 15.0-0 e516.Àg3 0-0 17.Àh5 f5 18.Àd2 Ãe619.Õe1Ç Sveshnikov-Trofimov, Cheliabinsk2004; 14...Õg8 15.Àa3 a6 16.0-0 e517.Õd1 Ãh3 18.g3 Àd7 19.Àc4ÇM.Markovic-Damljanovic, Petrovac tt 2004;

63

Survey SI 47.3

14...f5!?N 15.Ãh5 (15.Àg3) 15...®d816.Àc5 e5! 17.Ãf7?! e6 18.Àe6?(18.Àb3) 18...®e7 19.Àc7 ®f7 20.Àa8Àa8î G.Jones-Nataf, Warsaw Ech 2005]15.Àg3 [15.0-0 Ãf5 16.Àg3 (16.Àbd2Ãg6 17.a4 Àd7 18.f3 f5 19.Àf2 Ãg720.a5Ç Morozevich-Lautier, Cannes 2002)16...Ãg6 17.Àd2 (17.Õe1 0-0-0 18.f4?e6ç Genocchio-Piscopo, Italy 1998)17...0-0-0 18.Àc4 Àd5 19.Õe1 h5 20.Ãf3(20.h4 Adams-Svidler, Groningen 1997 –YB/57-65) 20...Ãg7 21.a4 e6 22.Àe4 ®c723.Ãg5 f6 24.Ãh4 Àce7 25.Àc5 Ãf726.Õad1?! Àg6 (Genocchio-Van den Doel,Saint Vincent 1998) 27.Õe4â; 15.Àa3 f5(15...Ãf5 Rozentalis-Hellers, Aarhus 1997 –YB/57-65) 16.Àg3 (16.Ãh5 Ponomariov-Van Wely, Biel 2000 – YB/57-63) 16...e617.Àc2 (17.Àb5 ®d8 18.0-0 a6 19.Õd1Ãd7 20.Àd6 ®c7 21.Àc4 Àc4 22.Ãc4=S.Zhigalko-Maatoug, Oropesa del Mar jr2001 (9)) 17...®d8 18.f4?! (18.0-0Ç)18...e4?! (18...ef4 19.Ãf4 e5 20.0-0-0 ®c721.Ãd2 Ãe6 â) 19.Ãd2 ®c7 20.0-0-0Õg8 21.Õhg1 Àd5 22.Õgf1 a5 23.a4 Ãc524.®b1 Ãd7 25.c4 Àdb4 26.Àa3??Àd4î 27.Ãc3 Àe2 28.Ãe5 ®c829.Àe2 Ãa4 30.Õd2 e3 0-1 S.Zhigalko-Nakamura, Oropesa del Mar jr 2001 (3)]15...e6!N [15...Ãe6 16.0-0 0-0-0 17.Õe1f6 18.Àd2 Àd5 19.Àdf1 Ãf7 20.Ãh5Ãh5 21.Àh5 f5 22.Àe3 Àe3 23.Ãe3Õg8= S.Zhigalko-Potapov, Kirishi 2004]16.0-0 f5 17.Õd1 Ãd7 18.Àh5 Ãe719.Àd2 Õd8 20.Àc4 Àc4 21.Ãc4®f7= 22.Ãd2 Àa5 23.Ãe2 b524.b3 Àb7 25.f4 Ãc5 26.®f1 e427.Ãe1 a5 28.Ãh4 Ãe7 29.Ãe7®e7 30.g4Ç Ãc6 31.gf5 ef5 32.®f2Àc5 33.®e3 Àe6 34.Àg3 Àg735.c4 bc4 36.Ãc4 Õd1 37.Õd1 Õc838.Õg1 ®f6 39.Àe2 a4 40.Àc3 ab341.ab3 Õa8 42.Õg2 Õa1 43.Õa2Õa2 44.Àa2 Ãd7 45.Ãe2 Ãe646.Ãd1 Ãf7 47.Àc3 ®e7 48.b4®d6 49.Àb5 ®c6 50.Ãa4 Ãe651.®d4 ®b6 52.Àd6 ®c7 53.®e5Ãd7 54.Ãd1 ®d8 55.Ãe2 ®c756.Àb5 Ãb5 57.Ãb5 ®d8 58.h4®e7 59.Ãc4 Àe8 60.Ãe2 Àf661.b5 e3 62.®f5 Àd5 63.®e4 ®d664.Ãf1 ®e6 65.f5 ®d6 66.®d4Àe7 67.®e4 Àd5 68.Ãd3 Àc369.®f3 Àd5 70.Ãc4 Àf6 71.®e3®c5 72.Ãe2 Àd5 73.®e4 Àc374.®e5 1-0

Tiviakov,SergeyRanola,YvesLodi 2005 (4)

1.e4 c5 2.c3 Àf6 3.e5 Àd5 4.Àf3Àc6 5.Ãc4 Àb6 6.Ãb3 c4 7.Ãc2©c7 8.©e2 g5 9.e6 de6 10.Àg5©e5 11.d4 cd3 12.Ãd3 ©e213.Ãe2 Ãg7 [13...e5 14.Ãh5 Àd8 15.f4ef4 16.Ãf4 Ãg7 17.Àa3 h6 18.Àe4 Àe619.Ãd2 0-0 20.0-0 f5 21.Àg3 Àc5 22.b4Àca4 23.Õac1 Ãd7 24.Ãf3 Õac8 25.Ãb7Õc7 26.Ãa6 Àc3 27.Àh5?! Ãd4! 28.®h1Àbd5 29.Ãh6 Õc6! 30.Ãf8 Õa6 31.Àc2Ãh8 32.Ãe7 Àe7 33.a3 Ãb5 34.Õf3Ãe2 35.Õe3 Àed5 36.Õe8 ®h7 37.Àg3Ãb5 38.Õf8 f4 39.Àf5 Àe2?! (39...Ãd3ç)40.Õd1 Õc6? 41.Õd5 Õc2 42.Õc5 Ãc3?(42...Ãd3!ç) 43.h4!å a6 44.h5 Àg345.®h2 Àf5 46.Õff5 Ãf1? 47.Õc7 ®h648.Õc6 ®h7 49.Õf7 ®g8 50.Õf4 (50.Õd7!Õg2 51.®h1 Ãg7 52.Õc1ê) 50...Ãe5(50...Ãd3 51.®h3) 51.Õc2 Ãf4 52.®h3Ãb5 53.g4 ®g7 54.®h4 ®h6 55.Õc5 1-0Tiviakov-Nijboer, Leeuwarden ch-NED 2004]14.0-0 0-0 15.Àd2 e5 16.Àc4 Àd717.Õd1 h6 18.Àf3 e4 19.Àfd2 Àc520.Àb3 Àb3 21.ab3 Ãe6 22.Ãe3Õfd8 23.b4Ç Õdc8 24.Àd2 f5 25.f3ef3 26.Ãf3 a6 27.Ãc5 Ãf7 28.Ãc6Õc6 29.Ãe7 Õe8 30.Õe1 Õe631.Õe6 Ãe6 32.Ãh4 Ãd5 33.Õe1Õe1 34.Ãe1 b5 35.Ãg3 ®f7 36.®f2®e6 37.Àf1 Ãf6 38.Ãf4 h5 39.Àd2Ãd8 40.g3 Ãe4 41.Àe4 fe4 42.h3®f5 43.b3 Ãf6 44.Ãd2 Ãe5 45.c4Ãd4 46.®g2 e3 47.Ãe1 ®e4 48.c5e2 49.g4 hg4 50.hg4 ®f4 51.®h3

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51...®f3? 52.c6! Ãf2 53.c7 Ãe154.c8© Ãd2 55.©f5 Ãf4 56.©d3®f2 57.©c2 ®f3 58.©c3 ®f259.©f6 ®e3 60.©h4 ®d2 61.©d8[61.g5 e1© 62.©f4 £ 63.g6ê]61...®c2 62.©c8 ®d1 63.©f5 e1©

64.©f4 ©c3 65.®h4 ©b3 66.g5©e6? [66...©d3 67.©g4 £ 68.g6ê]67.©g4 1-0

Even harder6.Ãb3 d5/d6

Tiviakov,SergeyCarlsen,MagnusGausdal 2005 (1)

1.e4 c5 2.c3 Àf6 3.e5 Àd5 4.Àf3Àc6 5.Ãc4 Àb6 6.Ãb3 d5 7.ed6©d6 8.Àa3 e6 9.d4 [9.0-0!? a6(9...Ãe7 10.d4) 10.©e2 £ Õd1, d4]9...Ãe7?! [¿ 9...a6 10.dc5 (10.0-0 cd411.cd4 Ãe7=; 10.Ãe3 cd4 11.Àd4Àd5º) 10...©d1 11.Ãd1 Ãc5 12.Àc2=]10.Àb5

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64

Àd5 [17...ef4 18.Àf7 ®e8 19.Àb6 Ãb620.Àh8ê; 17...Õf8 18.Àb6 Ãb619.Ãg3ê £ 20.Àf7] 18.Àf7 ®e719.Õd5 ef4

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20.Õc5?! [20.Àh8ê Àa5 (20...Ãb621.0-0! Õh8 22.Õe1 ®d8 23.Õed1 Àb824.Ãa4ê; 20...b6 21.0-0! Õh8 22.Õe1®d8 23.Õed1 Àb8 24.Ãa4 b525.Ãc2ê £ 26.Ãf5) 21.Ãd1ê £22.Õd7; £ 22.b4] 20...Õhf8 21.Àg5Õf5 22.Õf5 Ãf5 23.0-0 ®f624.Àf3å Õe8 25.Õd1 Õe2 26.Õd6®e7 27.Õd2 Õd2 28.Àd2 Àe529.g3 g5 30.gf4 gf4 31.Ãd5 b632.®g2 Ãg4 33.b4 ®d6 34.Ãe4 h635.Àf3 Àf3 36.Ãf3 Ãe6 37.a3 ®e538.Ãb7 a5 39.®f3 Ãd7 40.Ãe4Ãa4 41.Ãd3 Ãd7 42.Ãf1 Ãe643.Ãb5 Ãf5 44.®e2 Ãe4 45.®d2Ãf5 46.Ãd3 Ãe6 47.®c2 Ãf748.Ãf1 Ãe6 49.®d3 Ãf7 50.c4 ab451.ab4 Ãg6 52.®c3 Ãe4 53.c5 bc554.bc5 Ãc6 55.®b4 Ãd5 56.®b5®e4 57.Ãe2 f3 58.Ãc4 Ãa8 59.c6®d4 60.c7 Ãb7 61.Ãe6 1-0

Tiviakov,SergeyKülaots,KaidoGausdal 2005 (9)

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Ãe7 17.®f1 0-0 18.®e2 Õfd8â) 16...Õd717.Àf3 (£ 18.d4) 17...Õd3 ½-½ Tiviakov-Zhang Pengxiang, Bad Wörishofen 2005;17...Ãe7 18.d4Ç; 17...e5 18.Õe1 £ 19.d4]8...Ãe6 9.d4 Ãb3 [9...cd4 10.Àb5 ©d711.Àbd4 (11.Ãe6 ©e6 12.Ãe3 ©d713.Àbd4Ç) 11...Ãb3 12.©b3 Àd413.Àd4Ç] 10.©b3 cd4 11.Àb5 ©b8[¿ 11...©d7 12.Àbd4 (12.Ãf4 Àa513.©b4 Àc6 14.©b3 Àa5=) 12...Àd413.Àd4Ç] 12.g3!?N [12.0-0 dc3!?¤;12...e6 13.Àbd4Ç Ãe7 14.©b5 ©c715.Àc6 bc6 (Rabiega-R.Fridman, Essen2002) 16.©h5!?; 12.Àbd4 Àd4 13.Àd4Ç]12...©d8?! [12...dc3 13.Ãf4 cb2 (13...e514.Àg5 Àd8 15.0-0-0!ê Å) 14.©b2 e515.Àe5 Àe5 16.Ãe5 Àc4 17.Ãb8 Àb218.Ãa7 ®d7 19.0-0å/Çô; 12...e6? 13.Ãf4e5 14.Àe5 Àe5 15.cd4å; 12...a6 13.Àbd4Àd4 14.Àd4Ç; ¿ 12...d3!? 13.0-0 (13.Ãe3Àd7 (13...a6 14.Ãb6 ab5 15.©b5å, d3<)14.0-0-0 (14.Õd1 a6) 14...a6 15.Àa3 e616.Õd3 b5º) 13...e5 (13...Àd7 14.Ãf4 e515.Àg5 Àd8 16.©c4!Ç; 13...e6 14.Ãf4ê)14.Àg5 Àd8 15.Õd1 h6 (15...Ãe7 16.Õd30-0 17.Ãe3Ç) 16.Àf3 Àe6 (16...Ãc517.Àe1Ç) 17.Ãe3ÇÊ] 13.Ãf4 Õc814.0-0-0

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Tiviakov,SergeyCastano,Duvan MartinNeiva 2005 (1)

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1-0

An extra possibility4.Ãc4

Tiviakov,SergeyNeverov,ValeryWarsaw Ech 2005 (5)

1.e4 c5 2.c3 Àf6 3.e5 Àd5 4.Ãc4[4.Àf3]

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8.©d4 ©d6 [8...Àc6 9.©d5 – 5...cd4]9.Àe2N [9.Ãf4 Àc6 10.©e3 ©e611.Àf3Ç V.Jakymov-Fritz 8, Kiev 2003]9...Àc6 10.©d3 Ãe6 [10...Ãe7!?11.0-0 0-0 £ 12...Àe5; 10...Àe511.©g3Ç] 11.Ãf4 ©d7 12.Àd2 Ãe713.Àb3Ç 0-0 14.0-0 Õfe8 15.Àed4Àd4 16.Àd4 Ãc5 17.Õfe1 Ãg418.Ãe3 Ãf8 19.h3 Ãh5 20.©b5Õad8 21.©d7 Õd7 22.Àf5 a623.Ãd4 Õe1 24.Õe1 f6 25.f3 Ãg626.Àe3 ®f7 27.®f2 Ãd3 28.Õd1Ãb5 29.Ãb6 Ãc6 30.Àf5 Ãd631.g4 g6 32.Àd6 Õd6 33.Ãc5 Õe634.h4 h5 35.gh5 gh5 36.Ãe3 Õe837.Õd4 Õe5 38.a4 Õe8 39.b3 ®e640.Õb4 b5 41.a5 Ãd7 42.Õf4 ®e543.Õd4 Õc8 44.Õd2 Ãf5 45.Ãd4®e6 46.®e3 ®f7 47.Õg2 Ãh748.®f4 Õe8 49.Õd2 Ãg6 50.Ãc5Õd8 51.®e3 Ãf5 52.®d4 Ãe653.Õe2 Õc8 54.Ãd6 Õc6 55.Ãf4Õc8 56.Õg2 ®e7 57.Õg7 Ãf758.Ãd6 ®e6 59.Ãa3 Õg8 60.Õg8Ãg8 61.Ãf8 Ãh7 62.®c5 ®d763.Ãg7 b4 64.®b4 Ãd3 65.Ãf6®c6 66.Ãe5 Ãc2 67.®a3 ®d768.®b2 Ãd1 69.f4 ®e6 70.®a3Ãc2 71.Ãg7 Ãd1 72.Ãh6 Ãc273.®b4 Ãd1 74.Ãg5 Ãc2 75.c4dc4 76.bc4 Ãd3 77.®c5 Ãf1 78.f5®f5 79.®d5 ®g6 80.c5 ®f7 81.c6®e8 82.®d6 Ãg2 83.c7 Ãh384.Ãd8 Ãg4 85.®c6 Ãf3 86.®b6®d7 87.®a6 ®c8 88.®b6 Ãe289.a6 Ãf1 90.a7 Ãg2 91.Ãf6 Ãf392.Ãe5 Ãg2 93.®c5 ®d7 94.®d4Ãh1 95.®e3 Ãg2 96.®f4 Ãh197.®g5 Ãf3 98.Ãf4 ®c8 99.a8©Ãa8 100.®h5 ®d7 101.®g5 Ãb7102.h5 ®e8 103.h6 ®f7 104.Ãe5

1-0

Tiviakov,SergeyParligras,MirceaSolsona 2005 (8)

1.e4 c5 2.c3 Àf6 3.e5 Àd54.Ãc4!? e6 [4...Àb6] 5.d4!? [5.Àf3;5.Ãd5 ed5 6.©f3 Àc6 7.©d5 d6¤]5...cd4 6.Ãd5 ed5 7.©d4 Àc68.©d5 d6 9.ed6

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9...Ãd6 [9...Ãe6!? 10.d7! Ãd7 11.Àf3(11.Ãg5!?; 11.Àe2!?) 11...Ãe7 12.0-0 0-013.Ãe3 (13.Ãg5Ç) 13...Ãe6 14.©d8 Õfd815.Àbd2 Õd5 16.Àd4å A.Sarkisian-Arutiunov, Erevan 1984; 9...©d6 10.©e4(10.©d6Ç) 10...©e5 11.Àd2 Ãf5 12.©e20-0-0â Sepiurka-Link, Buenos Aires tt 1983]10.Ãg5N [10.©e4!? Ãe6 11.Àf3Ç ©a5(11...©d7!? £ 12...0-0-0) 12.Ãf4 0-0-013.0-0 Õhe8? 14.Ãd6 Ãf5 P.Briggs-G.Freeman, Millfield ch-GBR 2000(14...Õd6å) 15.©f4!ê; 10.Àf3 0-011.Ãe3 Õe8¤ 12.Àbd2?? Õe3 0-1 VanEeckhout-Ciais, cr 1991] 10...Àe7 [¿10...©c7 11.Àf3 0-0 12.0-0 Ãe6¤]11.©f3! 0-0 [11...©b6 12.b3Ç] 12.Àe2©b6 [12...©a5 13.Ãe7 Ãe7 14.Àd2Ç;12...©c7 13.Àd2Ç; 13.Ãf4!?] 13.b3[13.Àd2 ©b2 14.0-0 Àg6 (14...©b515.Àe4=) £ 15.Àc4? Ãh2 16.®h2 ©b5ç]13...©b5 [13...Ãe6 14.0-0Ç] 14.Ãe7!Ãe7 15.Àd2! [15.0-0 ©g5!åô, Àb1Ø]15...a5?! [15...Ãd7Ç; 15...©g5 16.Àe4Ç]16.0-0 Õa6 17.Àd4 ©d7 [17...©g518.Õfe1!?] 18.Õad1!å [18.Àe4 f5!;18.Õfe1 Ãf6Ç] 18...Õg6 [18...Õf619.©e3å] 19.Õfe1 b6!? [¿ 19...©c720.h3å] 20.Àc4! Õf6 [20...Ãb7 21.Àe5!(21.Àb6!? Õb6 22.Àf5 Ãf3 23.Õd7 Ãf624.gf3 Ãc3å) 21...Ãf3 22.Àd7 Ãd1(22...Ãg2 23.Àe5 Õg5 24.f4ê; 22...Õg223.®h1ê) 23.Àf8 ®f8 24.Õd1ê;20...©c7 21.Àe5 Õh6å; 21...Õf6 –20...Õf6] 21.Àe5 [21.Àf5!? ©f5 (21...Õf522.Õd7 Õf3 23.gf3 Ãd7 24.Õe7 Ãc625.Àb6 Ãf3 26.h3ê) 22.©f5 Ãf523.Õe7ê] 21...©c7í 22.©g3Ãc5??T [22...©b7å; 22...©c5 23.b4 ab424.cb4ê] 23.Àg4 Õf4 [23...Õd6 24.Àf6®h8 (24...Õf6 25.©c7ê) 25.Àe8ê]24.Àf6 [24...®h8 25.Àe8] 1-0

66