B33 — Sicilian Defense: Open

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Plan principal. Attaque sur le roi adverse resté au centre.

Atouts. Les Blancs s'appuient sur une majorité de pions à l'aile_dame (3 contre 2), les cases fortes b5 et f5, la paire de fous et la colonne semi-ouverte d.

Côté adverse. Les fous enfermés en c8 et f8 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b1, les fous c1 et f1 et les tours a1 et h1).

Plans. Nc3 (Développer b1,) ; Nbd2 (Développer Nb1) ; Bg5 (Clouer Nf6) ; Bd3 (Développer Bf1).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plan principal. Attaque sur le roi adverse resté au centre.

Atouts. Les Noirs s'appuient sur une majorité de pions à l'centre (2 contre 1), la paire de fous et la colonne semi-ouverte c.

Côté adverse. Les fous enfermés en c1 et f1, le roi resté au centre et une pièce en prise (le pion en e4).

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (les fous c8 et f8 et les tours a8 et h8).

Plans. ...d6 (Libérer Bc8) ; ...d5 (Rupture) ; ...e6 (Rupture) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Base Masters : Blancs 28.3%, Nulles 49.3%, Noirs 22.4%.

Coups candidats

5.Nc3 (99.8% — Blancs: 28.3% | Nulles: 49.3% | Noirs: 22.4%)
5.Nxc6 (0.1% — Blancs: 23.2% | Nulles: 37.5% | Noirs: 39.3%)
5.f3
5.Be3
5.Qd3
5.Na3

auto

Analyse coup par coup — 8 demi-coups commentés

1.e4 Avancée centrale — contrôle d5, f5. Prépare d4, f4, Bc4, Bd3.
1…c5 Avancée centrale — contrôle b4, d4. Prépare Nc6, d5.
2.Nf3 Contrôle c4, d4, d5, e5.
2…Nc6 Contrôle d4, e5.
3.d4 Avancée centrale — contrôle c5, e5. Prépare c4, e4, Nc3.
3…cxd4 Capture en d4 — résout la tension centrale.
4.Nxd4 Capture pion en d4.
4…Nf6 Contrôle d4, e4, d5, e5.

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	—
Passés	—	—
Majorité	● aile_dame 3v2	● centre 2v1

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● f5 (2v0)	—
Cases faibles	—	—
Centre	—	● e4 (1v0), ● e5 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 5)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	5 (● b1, ● c1, ● f1, ● a1, ● h1)	4 (● c8, ● f8, ● a8, ● h8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Au centre !	● Au centre !
Droits de roque	O-O / O-O-O	O-O / O-O-O

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● c2-c3, ● e4-e5, ● f2-f3	● …d7-d6, ● …d7-d5, ● …e7-e6, ● …e7-e5

Partie
1900 Paris – Round 9 – Mortimer, James – 0-1 – Pillsbury, Harry – G62 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Nc3 e5 7. a3 Bc5 8. Bd3 O-O 9. O-O d5 10. Bg5 Be6
1901 2. Torneo USI – Round ? – Vergani, Beniamino – 1/2-1/2 – Reggio, Arturo – G4 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Bd3 e6 7. Be3 d5 8. e5 Nd7 9. f4 Nc5 10. c3 Nxd3+
1902 Monte Carlo – Round 12 – Marco, Georg – 1/2-1/2 – Tarrasch, Siegbert – G54 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Nxc6 bxc6 7. e5 Ng8 8. Bc4 d5 9. exd6 exd6 10. O-O d5
1926 Budapest – Round 11 – Nagy, Geza – 0-1 – Tartakower, Savielly – G63 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Bd3 g6 7. O-O Bg7 8. Bd2 O-O 9. c4 d5 10. exd5 cxd5
1929 Barcelona – Round 14 – Torres, Christian – 0-1 – Golmayo Torriente, Manuel – G26 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 g6 6. c4 Bg7 7. Nb3 O-O 8. Be3 d6 9. Nc3 Be6 10. Be2 Nd7
1930 Frankfurt – Round 5 – Thomas, George Alan – 1/2-1/2 – Pirc, Vasja – G25 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Bd3 g6 7. c4 Bg7 8. O-O O-O 9. Nc3 d6 10. Qc2 Qc7
1931 Budapest – Round 1 – Rethy, Pal – 0-1 – Lovas, Gyula – G19 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Bd3 Ba6 7. O-O Bxd3 8. Qxd3 g6 9. e5 Nd5 10. c4 Nc7
1931 Moskou ch-URS – Round 1 – Bohatyrchuk, Fedir Parfenovych – 1/2-1/2 – Kan, Ilya A – G85 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Bd3 g6 7. b3 Bg7 8. Bb2 O-O 9. O-O d6 10. Nd2 Qa5
1931 Moskou ch-URS – Round 1 – Kirillov, Vladimir – 1-0 – Lisitsin, Georgy – G84 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Nc3 e5 7. Bc4 Bb4 8. O-O O-O 9. Bg5 h6 10. Bh4 Qe7
1931 Prague CSR – Round 15 – Thomas, George Alan – 1-0 – Romi, Massimiliano – G46 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Bd3 g6 7. c4 Bg7 8. O-O d6 9. Nc3 O-O 10. Qc2 Ng4
1932 Budapest – Round 1 – Maroczy, Geza – 1/2-1/2 – Joyeux Steiner, Gael – G37 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Qa5 6. Nb3 Qc7 7. Be2 e6 8. O-O a6 9. a3 Be7 10. f4 O-O
1932 Budapest – Round 1 – Orvenyi, B. – 1-0 – Steiner, Lajos – G36 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Qc7 6. Ndb5 Qb8 7. Nd5 Nxd5 8. exd5 a6 9. Nc3 Nd8 10. a4 b6
1933 Moravska Ostrava – Round ? – Foltys, Jan – 0-1 – Steiner, Lajos – G38 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Bd3 e6 7. O-O d5 8. Nd2 Be7 9. Qe2 O-O 10. f4 Nd7
1935 Moskou – Round 18 – Botvinnik, Mikhail – 1/2-1/2 – Flohr, Salo – G88 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Nxc6 dxc6 7. Qxd8+ Kxd8 8. Bf4 Ke8 9. f3 Be6 10. a4 a5
1938 Leningrad – Round 1 – Lisitsin, Georgy – 1-0 – Troitsky, Arsenyi – G20 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Qc7 6. Ndb5 Qb8 7. Nd5 Nxd5 8. exd5 Ne5 9. d6 exd6 10. f4 Nc6
1938 Leningrad – Round 1 – Shamaev, Leonid – 1-0 – Bastrikov, Georgy – G19 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 Qb6 6. Nb3 g6 7. Na3 Bg7 8. Nc4 Qc7 9. Be2 O-O 10. O-O Rd8
1938 Ljubljana – Round 12 – Kostic, Boris – 1-0 – Nedeljkovic, Aleksandar – G79 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Qc7 6. g3 e6 7. Ndb5 Qb8 8. Bf4 e5 9. Bg5 a6 10. Na3 Bb4
1941 Madrid sim Madrid ESP – Round ? – Alekhine, Alexander – 1-0 – Alcon Alarcon, Odalis Vania – G6 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 g6 6. c4 Bg7 7. Be3 O-O 8. Nc3 d6 9. Qd2 e5 10. Ndb5 Ne8
1942 Moscow RUS – Round 1 – Ravinsky, Grigory – 1-0 – Kotov Lundqvist, Alex – G16 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Qc7 6. g3 Nxe4 7. Nxe4 Qe5 8. Bg2 Qxd4 9. Qe2 f5 10. Nc3 e6
1946 Gyor – Round 9 – Gergely, Andras – 0-1 – Florian, Tibor – G19 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Bd3 g6 7. O-O Bg7 8. c4 O-O 9. Nc3 d5 10. exd5 cxd5
1953 Buenos Aires ch-ARG – Round 1 – Rossetto, Hector – 0-1 – Shocron, Ruben – G17 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e6 6. Be3 d5 7. Nxc6 bxc6 8. e5 Nd7 9. f4 Rb8 10. b3 Bc5
1953 Kbenhavnsmesterskabet – Round 9 – Knudsen, Egon – 0-1 – Blom, Kaj – G14 1. e4 c5 2. Ne2 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Nxc6 bxc6 7. e5 Ng8 8. Bc4 d5 9. exd6 exd6 10. O-O Nf6
1954 BRA Ch – Round 3 – Camara, Helder – 0-1 – Cantanhede, Hilwan Augusto W. – G4 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 Qc7 7. Be3 e5 8. Nxc6 dxc6 9. f3 Bb4 10. Qd2 O-O
1954 DDR Ch 05th – Round 15 – Groschupff, Hans Joachim – 0-1 – Platz, Hans – G83 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 d5 6. Bb5 Qb6 7. exd5 Nxd5 8. c4 Nb4 9. Be3 e5 10. Nf5 Bc5
1961 Netanya – Round 12 – Persitz, Raaphi – 1-0 – Aloni, Itzchak – G73 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Nxc6 bxc6 7. e5 Ng8 8. Bc4 d5 9. exd6 exd6 10. O-O d5
1961 Warsaw – Round 1 – Stoppel, Franz – 1/2-1/2 – Minev, Nikolay N – G44 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 d5 6. Bb5 dxe4 7. Nxc6 Qxd1+ 8. Kxd1 a6 9. Nc3 Bd7 10. Ba4 bxc6
1963 CAN Ch – Round 1 – Suttles, Duncan – 1-0 – Patrick, Chaski – G2 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Nxc6 bxc6 7. e5 Ng8 8. Bc4 e6 9. O-O d5 10. exd6 Bxd6
1964 Houston simultaan – Round 1 – Fischer, Raphael – 1-0 – Limoh, L. – G7 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. O-O d6 8. Be3 Be7 9. Bb3 O-O 10. f4 Bd7
1964 URS Spartakiad – Round ? – Estrin, Yakov – 0-1 – Boleslavsky, Isaac – G23 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nb5 d6 6. Bf4 e5 7. Be3 Nf6 8. Bg5 Be6 9. N1c3 a6 10. Na3 Be7
1964 WchT U26 11. qual-F – Round 1.1 – Gheorghiu, Florin – 1-0 – Kittel, Pierre – G2 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Nxc6 dxc6 7. Qxd8+ Kxd8 8. Bf4 b5 9. O-O-O+ Nd7 10. Be2 Ke8
1965 Rubinstein Memorial – Round 8 – Serwinski, Benedykt – 0-1 – Neikirkh, Oleg – G21 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nb5 d6 6. Bf4 e5 7. Be3 a6 8. N5c3 Nf6 9. Bg5 Be6 10. Na3 Rc8
1968 Cardenas – Round 1 – Yepez, Olavo – 1-0 – Letelier Martner, Rene – G15 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Qa5 6. Nb3 Qc7 7. g3 a6 8. Bg2 e6 9. O-O d6 10. a4 b6
1969 Sweden – Round 1 – Horberg, Bengt-Eric – 0-1 – Bech Johansson, Amadeus – G3 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Bd3 e5 7. Qe2 Bc5 8. Bg5 h6 9. Bh4 O-O 10. Nd2 d5
1970 IBM – Round 14 – Janosevic, Dragoljub – 1-0 – Jongsma, Alexander – G125 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6
1970 IBM – Round 5 – Bednarski, Jacek – 1-0 – Van der Weide, Piet – G121 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. Bd3 Be7 8. Be3 Qc7 9. f4 d6 10. Qf3 a6
1975 URS Team Ch – Round 1 – Adler, Viktor – 1-0 – Karasev, Vladimir I – G350 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Nxe7 Qxe7
1975 URS Team Ch – Round 1 – Sammul Mari – 0-1 – Semenova, Lidia K – G349 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Bxf6 gxf6 9. Na3 b5 10. Nd5 f5
1975 URS Team Ch – Round 2 – Giorgadze, Tamaz – 1/2-1/2 – Klovsky, Rafail – G309 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Na3 b5 10. Nd5 Qa5+
1975 URS Team Ch – Round 2 – Khalafian, Erna – 1/2-1/2 – Lakiunajte, S. – G352 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Nxe7 Qxe7
1975 URS Team Ch – Round 2 – Ozola, A. – 1/2-1/2 – Saakova, Anzhelina – G354 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5
1975 URS Team Ch – Round 3 – Izvozchikov, Alexander – 0-1 – Sveshnikov, Evgeny – G337 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Na3 b5 10. Nd5 Be7
1975 URS Team Ch – Round 3 – Litynska, Marta – 1/2-1/2 – Fatalibekova, Elena – G351 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5
1975 URS Team Ch – Round 4 – Zakharian, Vanik – 0-1 – Dvoretzky, Mark – G353 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6
1975 URS Team Ch – Round 5 – Kausilaite, Vilhelmina – 1/2-1/2 – Fatalibekova, Elena – G348 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. a4 a6 8. Na3 Be7 9. Nc4 Nxe4 10. Nxe4 d5
Amber Blindfold 2005 – Round 8 – Vallejo Pons, Francisco – 1-0 – Van Wely, Loek – G35 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5
Amber-blindfold 13th 2004 – Round 2 – Vallejo Pons, Francisco – 1/2-1/2 – Van Wely, Loek – G4 1. e4 c5 2. Ne2 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5
Amber-rapid 13th 2004 – Round 1 – Topalov, Veselin – 1/2-1/2 – Van Wely, Loek – G3 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5
Corus 2001 – Round 9 – Anand, Viswanathan – 1/2-1/2 – Leko, Peter – G57 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Na3 b5 10. Bxf6 gxf6
Corus A 2005 – Round 9 – Kramnik, Vladimir – 1/2-1/2 – Van Wely, Loek – G54 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5
GMA 2003 – Round 7 – Grischuk, Alexander – 1-0 – Krasenkow, Michal – G42 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Na3 b5 10. Bxf6 gxf6
GMA 2004 – Round 11 – Svidler, Peter – 1/2-1/2 – Van Wely, Loek – G72 1. e4 c5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5
KO Rapid 2003 – Round 1.1 – Svidler, Peter – 1/2-1/2 – Topalov, Veselin – G3 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5
KO Rapid 2003 – Round 3.2 – Anand, Viswanathan – 1-0 – Kramnik, Vladimir – G14 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5
Linares 1992 – Round 12 – Kasparov, Garry – 1/2-1/2 – Salov, Valery – G22 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5
Moskou ch-URS 1973 – Round 12 – Spassky, Boris V. – 1-0 – Sveshnikov, Evgeny – G77 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Na3 b5 10. Bxf6 gxf6
PCA Qualifiers 1993 – Round 4 – Beliavsky, Alexander G – 1-0 – Shirov, Alexei – G74 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Na3 b5 10. Bxf6 gxf6
Siegen olm 1970 – Round 3 – Spaete, Erwin – 1-0 – Lombardy, William J – G4 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Nxc6 bxc6 7. e5 Ng8 8. Bd3 g6 9. O-O Bg7 10. Re1 e6
TCh-RUS 2005 – Round 4 – Inarkiev, Ernesto – 1/2-1/2 – Filippov, Vladimir Al. – G67 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5
World Blitz 2019 – Round 17.41 – Alekseev, Evgeny – 0-1 – Aravindh, Chithambaram VR. – G1150 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 h5 6. f3 e5 7. Ndb5 d6 8. Nd5 Nxd5 9. exd5 Ne7 10. Be3 Nf5
World Blitz 2019 – Round 2.75 – Sarana, Alexey – 1-0 – Harsha Bharathakoti – G145 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5
XXI SuperGM 2004 – Round 9 – Vallejo Pons, Francisco – 1/2-1/2 – Topalov, Veselin – G24 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5

B33a — Open

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6

Eval: [+0.32]

Les coups candidats

5.Nc3 — 99.0% (165819 parties)

Ambassadeurs : Wosch, Arkadiusz (616x), ? (331x), Ilyasov, Anatoly Fedorovich (285x), Dorer, Manfred (266x), Pommrich, Rainer (252x), Hlavac, Rudolf (250x), Kotronias, Vasilios (227x), Lanka, Zigurds (194x)

5.Nxc6 — 0.7% (1111 parties)

Ambassadeurs : Bertel, Michael (11x), del Arco Gimeno, Juan (7x), Weber, Gerhard (6x), Vio, Mauro (6x), Thomas, George Alan (5x), Van Haastert, Paul (4x), Jakobi, Wilfried (4x), Just Bent (3x)

5.f3 — 0.3% (522 parties)

Ambassadeurs : Ungureanu, Sandu (8x), Collins, Richard Arnold (6x), Schargorodskij, Maxim (5x), Chalupecky, Vladimir (5x), Fairbairn, Walter M (4x), Platz, Joseph (3x), Knickel, Aaron (3x), Buil Rello, Jose Antonio (3x)

5.Bc4 — 0.0% (27 parties)

Ambassadeurs : Krokos, Spyridon (1x), Lampropoulos, H.. (1x), Theodorou, Marios (1x), Kill, Matthias (1x), Fink, Martin (1x), Muehlbauer, Peter (1x), Jorge Martinez Nava (1x), Suarez Cerezo, Ismael (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5.Nc3	5.Nxc6	5.f3	5.Bc4
<1800	4953	97%	2%	1%	0%
1800-2200	55683	99%	1%	0%	0%
2200-2600	65928	100%	0%	0%	0%
2600+	1688	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	5.Nc3	5.Nxc6	5.f3	5.Bc4
1860s	2	100%	—	—	—
1880s	10	80%	20%	—	—
1890s	13	100%	—	—	—
1900s	57	95%	5%	—	—
1910s	75	97%	1%	1%	—
1920s	260	95%	4%	0%	—
1930s	568	97%	3%	0%	—
1940s	749	99%	0%	1%	—
1950s	2486	99%	0%	0%	—
1960s	2710	100%	0%	0%	—
1970s	5107	99%	0%	0%	0%
1980s	8013	100%	0%	0%	—
1990s	30477	99%	1%	0%	0%
2000s	57653	99%	1%	0%	0%
2010s	46887	99%	1%	0%	0%
2020s	12505	99%	0%	0%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5.Nc3	99%	99%	▲ +0.5%
5.Nxc6	1%	0%	-0.3%
5.f3	0%	0%	-0.2%
5.Bc4	0%	0%	-0.0%

Joueurs célèbres

Champions du monde dans cette position

Lasker, Emanuel — 10 parties
Smyslov, Vladimir — 10 parties
Euwe, Max — 10 parties
Alekhine, Alexander — 10 parties
Botvinnik, Mikhail — 10 parties
Tal, Mikhail — 10 parties
Karpov, Aleksandr — 10 parties
Anand, Viswanathan — 10 parties
Kasparov, Garry — 10 parties
Karpov, Anatoly — 10 parties
Kramnik, Vladimir — 10 parties
Carlsen, Magnus — 10 parties
Ju, Wenjun — 10 parties
Hou, Yifan — 10 parties
Gukesh D — 10 parties
Fischer, Robert James — 1 partie
Ding, Liren — 1 partie

Parties historiques

5.Nc3 — 99.0% (165819 parties)

1865 — Cordel Gohle vs Knorre Neumann — 1-0 — Berlin GER
1866 — Stanley, Charles H vs MacKenzie, George H — 0-1 — New York (New York CC)
1880 — Fritz Contreras, Esteban vs Winawer, Szymon — 0-1 — Wiesbaden GER
1880 — Wemmers, Carl vs Paulsen, Louis — 0-1 — Braunschweig
1880 — Fritz, Alexander vs Paulsen, Louis — 1-0 — Wiesbaden GER

5.Nxc6 — 0.7% (1111 parties)

1882 — Mason, James vs Paulsen, Louis — 1-0 — Vienna AUT
1882 — Mason, James vs Paulsen, Louis — 1-0 — Vienna AUT
1900 — Mortimer, James vs Pillsbury, Harry — 0-1 — Paris FRA
1901 — Vergani, Beniamino vs Reggio, Arturo — 1/2-1/2 — Venice ITA
1906 — Kurrle, William vs Sawyer, Joseph — 0-1 — Montreal CAN

5.f3 — 0.3% (522 parties)

1919 — Scott, Reinon vs Coudene Marchand, Maxence — 1-0 — Hastings ENG
1929 — Torres, Christian vs Golmayo Torriente, Manuel — 0-1 — Barcelona ESP
1938 — Shamaev, Leonid vs Bastrikov, Georgy — 1-0 — Leningrad RUS
1941 — Alekhine, Alexander vs Alcon Alarcon, Odalis Vania — 1-0 — Madrid sim Madrid ESP
1946 — Toerber, Claus vs Lehmitz, Guenther — 1-0 — Hamburg GER

5.Bc4 — 0.0% (27 parties)

1971 — Krokos, Spyridon vs Lampropoulos, H.. — 1-0 — ?
1990 — Jorge Martinez Nava vs Suarez Cerezo, Ismael — 1/2-1/2 — ?
1991 — Kerber, Alfred vs Low, Gerald — 0-1 — Garmisch Partenkirchen
1995 — Monteiro, Marcelo Arantes vs Falleiros, Ivan G Sandoval — 0-1 — ?
1995 — Sobrino Garcia, Roberto vs Veganzones Rojo, David — 1-0 — Valladolid

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