B02p — Alekhine: Saemisch Attack, 3…Nxc3

1.e4 Nf6 2.e5 Nd5 3.Nc3 Nxc3 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : paire de fous.
Faiblesses adverses : Bc8 enfermé, Bf8 enfermé, roi noir au centre, knight c3 en prise.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, 5 pièces non développées (G1, C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Nf3 — Développer Ng1
● d3 — Libérer Bc1
● Bd3 — Développer Bf1
● c3 — Préparer d4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : paire de fous.
Faiblesses adverses : Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, 5 pièces non développées (B8, C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...d6 — Libérer Bc8
● ...Nc6 — Développer Nb8
● ...Bd6 — Développer Bf8
● ...c5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

B02p — Saemisch Attack

1.e4 Nf6 2.e5 Nd5 3.Nc3 Nxc3

Eval: [+0.24]

Les coups candidats

4.dxc3 — 56.8% (1506 parties) →

Ambassadeurs : Radulov, Ivan (11x), Cafferty, Bernard (8x), Parkanyi, Attila (7x), Westerinen, Heikki M.J. (6x), Filipowicz, Andrzej (5x), Ochedzan, Tymon (5x), Popov, Luben (4x), Makropoulos, Georgios (4x)

4.bxc3 — 43.2% (1144 parties)

Ambassadeurs : Dueckstein, Andreas (13x), Upton, Timothy J (12x), Blackstone, John (9x), Dolzhykova, Kateryna (7x), Malbran, Guillermo (7x), Heidenfeld, Mark (7x), Garcia, Horacio Pedro (6x), Baklan, Vladimir (6x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	4.dxc3	4.bxc3
<1800	61	69%	31%
1800-2200	1031	58%	42%
2200-2600	851	57%	43%
2600+	4	25%	75%

Évolution par décennie (% des parties)

Décennie	N parties	4.dxc3	4.bxc3
1920s	33	39%	61%
1930s	17	59%	41%
1940s	10	50%	50%
1950s	23	35%	65%
1960s	75	45%	55%
1970s	231	54%	46%
1980s	167	62%	38%
1990s	584	52%	48%
2000s	718	54%	46%
2010s	683	63%	37%
2020s	109	77%	23%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
4.dxc3	63%	77%	▲ +14.0%
4.bxc3	37%	23%	▼ -14.0%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 5 parties
Euwe, Max — 2 parties
Lasker, Emanuel — 1 partie
Smyslov, Vladimir — 1 partie

Parties historiques

4.dxc3 — 56.8% (1506 parties)

1924 — Fresno Meyer, Eberhard vs Menke, G. — 1-0 — Corr
1925 — Tarrasch, Siegbert vs Reti, Richard — 1/2-1/2 — Baden-Baden GER
1925 — De La Torre Huertas, Carlos vs Reti, Richard — 1/2-1/2 — Baden Baden DEU
1925 — Yates, Frederic D vs Capablanca, Jose — 0-1 — Moscow RUS
1925 — Te Kolste, Jan Willem vs Reti, Richard — 0-1 — Baden-Baden GER

4.bxc3 — 43.2% (1144 parties)

1922 — Johner, Paul vs D Marco, Gianni — 1/2-1/2 — Bad Pistyan CZE
1925 — Colman Franco, Enzo David vs Kostic, Boris — 0-1 — Singapore cc
1925 — Bogoljubow, Efim vs Nenarokov, Vladimir — 1-0 — Leningrad ch-URS
1925 — Baumgartl, K. vs Babel, Amay — 1/2-1/2 — Braunau
1925 — De Freitas, Julio Eimard vs Reca, Damian M — 0-1 — Montevideo URU

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	—
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	—
Cases faibles	—	—
Centre	—	● d5 (1v0), ● e4 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
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 (g1, c1, f1, a1, h1)	5 (b8, 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	● d2-d3, ● f2-f3	● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …e7-e6, ● …f7-f6, ● …f7-f5

Partie
1922 Bad Pistyan – Round 11 – Johner, Paul – 1/2-1/2 – D Marco, Gianni – G67 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. exd6 exd6 6. d4 d5 7. Nf3 Bd6 8. Be2 O-O 9. O-O Re8 10. c4 dxc4
1925 Leningrad ch-URS – Round 8 – Bogoljubow, Efim – 1-0 – Nenarokov, Vladimir – G16 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. Nf3 Nc6 6. d4 dxe5 7. d5 e4 8. Ng5 Ne5 9. Qd4 Nd7 10. Nxe4 Nb6
1926 Budapest – Round 2 – Prokes, Ladislav – 0-1 – Gruenfeld, Ernst – G21 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. exd6 cxd6 6. d4 g6 7. Nf3 Bg7 8. Bd3 Nc6 9. O-O O-O 10. Bb2 Qc7
1926 Budapest – Round 8 – Znosko-Borovsky, Eugene – 0-1 – Takacs, Sandor – G50 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. exd6 Qxd6 6. Nf3 Qg6 7. Bc4 Be6 8. Bxe6 Qxe6+ 9. Kf1 Nd7 10. d3 g6
1926 Merano – Round 12 – Grob, Henry – 1/2-1/2 – Gruenfeld, Ernst – G38 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. f4 g6 6. Nf3 Bg7 7. d4 O-O 8. Bd3 c5 9. O-O Qc7 10. Qe1 cxd4
1926 Merano – Round 2 – Canal, Esteban – 0-1 – Colle, Edgar – G10 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. f4 g6 6. d4 Bg7 7. Nf3 O-O 8. Bc4 c5 9. O-O Qc7 10. Qe2 Nc6
1926 Merano Meran ITA – Round 6 – Grob, Henry – 1-0 – Sacconi, Antonio – G17 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 e6 5. f4 b6 6. Nf3 Bb7 7. d4 c5 8. Be2 Qc7 9. O-O Na6 10. a3 g6
1929 Budapest – Round 1 – Brinckmann, Alfred – 1/2-1/2 – Colle, Edgar – G55 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. f4 g6 6. d4 Bg7 7. Nf3 O-O 8. Bd3 dxe5 9. fxe5 c5 10. O-O Nc6
1929 Budapest – Round 1 – Vajda, Arpad – 1-0 – Colle, Edgar – G56 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. f4 g6 6. d4 Bg7 7. Bd3 O-O 8. h4 h5 9. f5 dxe5 10. fxg6 Bg4
1929 Karlsbad – Round 1 – Matisons, Hermanis – 1/2-1/2 – Gruenfeld, Ernst – G154 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. f4 dxe5 6. fxe5 Qd5 7. Nf3 Nc6 8. d4 Qe4+ 9. Kf2 Bg4 10. Bd3 Qd5
1936 Budapest – Round 8 – Negyesy, Gyorgy – 1/2-1/2 – Szabo, Laszlo – G34 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. f4 g6 6. Nf3 Bg7 7. Bc4 O-O 8. O-O c5 9. d4 Nc6 10. dxc5 Qa5
1937 Kemeri – Round 1 – Steiner, Endre – 0-1 – Reshevsky, Samuel – G103 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. f4 g6 6. d4 Bg7 7. h4 dxe5 8. fxe5 f6 9. h5 fxe5 10. hxg6 hxg6
1937 Kemeri – Round 17 – Hasenfuss, Wolfgang – 0-1 – Landau, Salo – G143 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. f4 Bf5 6. Nf3 e6 7. d4 dxe5 8. fxe5 Be7 9. Bd3 Bxd3 10. cxd3 c5
1944 Moskou ch-URS – Round 1 – Sokolsky, Alexey – 0-1 – Mikenas, Vladas – G97 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. f4 g6 6. Nf3 Bg7 7. d4 f6 8. Bc4 d5 9. Bd3 c5 10. O-O c4
1948 Moskou ch-URS – Round 15 – Lisitsin, Georgy – 1-0 – Tolush, Alexander – G129 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. f4 Bf5 6. Nf3 dxe5 7. fxe5 Qd5 8. Be2 Nc6 9. O-O Nxe5 10. Nxe5 Qxe5
1951 It I Beverwijk NED – Round 2 – Pilnik, Herman – 1-0 – Palomaa, Vilho – G3 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. Nf3 e6 6. d4 Be7 7. Bd3 Nc6 8. Qe2 f5 9. exf6 Bxf6 10. O-O O-O
1953 Mar del Plata – Round 13 – Pilnik, Herman – 1-0 – Jauregui, Carlos – G139 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d5 5. d4 Bf5 6. Ne2 g6 7. Ng3 Bc8 8. h4 h5 9. Rb1 c5 10. dxc5 e6
1954 HUN Ch 10th – Round 6 – Bilek, Istvan – 1-0 – Navarovszky, Laszlo – G9 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. f4 c5 6. Nf3 Nc6 7. Rb1 dxe5 8. Nxe5 Nxe5 9. fxe5 a6 10. Qf3 Qc7
1954 Zuerich – Round 6 – Bhend, Edwin – 1/2-1/2 – Trifunovic, Petar – G18 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. f4 Bf5 6. Nf3 e6 7. Be2 c5 8. O-O Nc6 9. d4 Be7 10. Bd3 Bxd3
1957 URS Ch, semi final – Round 1 – Kalashian, Loris – 0-1 – Aronin, Lev – G93 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d5 5. d4 c5 6. Ne2 Nc6 7. Be3 Qa5 8. Qd2 e6 9. a3 Bd7 10. g3 Rc8
1958 Munich olm prel – Round 9 – Dueckstein, Andreas – 1-0 – Larsen, Bent Ravn – G219 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. f4 e6 6. Nf3 Be7 7. d4 O-O 8. Bd3 c5 9. exd6 Qxd6 10. O-O Nc6
1959 FRG Ch 05th – Round 3 – Schuster, Theodor – 0-1 – Schmid, Lothar – G10 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. f4 c5 6. d4 e6 7. Nf3 Be7 8. Bd3 Nc6 9. O-O dxe5 10. fxe5 cxd4
1961 Clare Benedict Cup 08th – Round 1.1 – Dueckstein, Andreas – 1/2-1/2 – Schmid, Lothar – G2 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. f4 c5 6. Nf3 Nc6 7. d4 e6 8. Bd3 Be7 9. O-O dxe5 10. fxe5 cxd4
1962 Sofia – Round 4 – Ciocaltea, Victor – 0-1 – Mikenas, Vladas – G29 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. f4 c5 6. Nf3 Nc6 7. Bb5 a6 8. Bxc6+ bxc6 9. O-O g6 10. d4 cxd4
1963 Europe Team Ch qual – Round 1.11 – Dueckstein, Andreas – 1/2-1/2 – Schmid, Lothar – G3 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d5 5. d4 Bf5 6. Bd3 Bxd3 7. Qxd3 c5 8. e6 fxe6 9. Nf3 Nc6 10. Bf4 g6
1965 Titograd – Round 16 – Bradvarevic, Aleksandar – 1-0 – Buljovcic, Ivan – G117 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. exd6 exd6 6. d4 Be7 7. Bd3 O-O 8. Qh5 g6 9. Qf3 c5 10. Ne2 Nc6
1967 Krems – Round 1 – Dueckstein, Andreas – 1-0 – Lambert, Hans – G10 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. f4 dxe5 6. fxe5 c5 7. Nf3 Nc6 8. Be2 e6 9. O-O Be7 10. Qe1 Bd7
1967 Sarajevo – Round 1 – Dueckstein, Andreas – 1-0 – Kavalek, Lubomir – G12 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. f4 dxe5 6. fxe5 Qd5 7. d4 c5 8. Nf3 Nc6 9. Be2 cxd4 10. cxd4 Bg4
1967 Sousse Interzonal – Round 2 – Bilek, Istvan – 0-1 – Larsen, Benjamin Holsko – G20 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. f4 Nc6 6. Nf3 dxe5 7. fxe5 Qd5 8. d4 Bg4 9. Be2 e6 10. O-O Be7
1968 Alma Ata ch-URS – Round 14 – Zaitsev, Igor A – 0-1 – Vasiukov, Evgeni – G127 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d5 5. d4 c5 6. Nf3 Nc6 7. h3 e6 8. Bd3 cxd4 9. cxd4 Nb4 10. O-O Nxd3
1968 Bamberg – Round 8 – Dueckstein, Andreas – 0-1 – Westerinen, Heikki M.J. – G60 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. f4 g6 6. d4 Bg7 7. Bd3 O-O 8. Nf3 c5 9. O-O dxe5 10. dxe5 Nc6
1968 BCF Ch Bristol ENG – Round 5 – Horton, Michael Howard – 1/2-1/2 – Basman, Michael J – G4 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. f4 g6 6. d4 Bg7 7. Nf3 c6 8. Bd3 Nd7 9. O-O Qb6 10. exd6 exd6
1968 Belgrade – Round 1 – Martinovic, Slobodan – 1/2-1/2 – Gipslis, Aivars – G62 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. f4 c5 6. Nf3 Nc6 7. Be2 Bf5 8. Rb1 Rb8 9. O-O e6 10. d4 Be7
1968 IBM I – Round 10 – Ciric, Dimitrije – 1-0 – Marovic, Drazen – G38 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. f4 Bf5 6. Nf3 e6 7. Be2 Nd7 8. O-O d5 9. Nd4 Bg6 10. f5 exf5
1968 Monte Carlo – Round 13 – Byrne, Ray – 1-0 – Larsen, Benjamin Holsko – G84 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 b6 5. f4 Bb7 6. Nf3 e6 7. d4 d6 8. Bd3 Be7 9. O-O Nc6 10. Qe1 Qd7
1968 Olympiad Final A – Round 10 – Padevsky, Nikola – 1/2-1/2 – Larsen, Benjamin Holsko – G19 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 e6 5. f4 b6 6. Nf3 Bb7 7. d4 Be7 8. Bd3 d6 9. O-O Nc6 10. Qe2 Qd7
1968 Reykjavik – Round 1 – Sigurjonsson, Johann O – 0-1 – Sigurjonsson, Gudmundur – G74 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. f4 g6 6. Nf3 Bg7 7. d4 O-O 8. Bd3 c5 9. O-O dxe5 10. fxe5 Nc6
1968 ROM Ch – Round 16 – Szabo, Iuliu inactive – 1/2-1/2 – Segal, Alexandru Sorin – G94 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. f4 dxe5 6. fxe5 Qd5 7. d4 c5 8. Nf3 Bg4 9. Be2 Nc6 10. O-O cxd4
1969 Palma de Mallorca – Round 6 – Mecking, Henrique – 1/2-1/2 – Bobotsov, Milko G – G61 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d5 5. d4 c5 6. Nf3 Nc6 7. Bd3 Bg4 8. h3 Bxf3 9. Qxf3 e6 10. Rb1 Qc7
1969 Schwerin – Round 15 – Moehring, Guenther – 1/2-1/2 – Liebert, Heinz – G104 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d5 5. d4 c5 6. Nf3 Nc6 7. Be2 e6 8. O-O Be7 9. dxc5 Bxc5 10. Bd3 h6
1969 Tallinn – Round 1 – Haag, Ervin – 1/2-1/2 – Gipslis, Aivars – G9 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. f4 c5 6. Nf3 Nc6 7. Bc4 e6 8. O-O Be7 9. d4 Qc7 10. exd6 Qxd6
1969 Zagreb – Round 2 – Barczay, Laszlo – 1/2-1/2 – Grdinic, Zvonimir – G30 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 d6 5. f4 dxe5 6. fxe5 Qd5 7. d4 c5 8. Nf3 Bf5 9. Bd3 Bxd3 10. Qxd3 cxd4
Biel Interzonal 1993 – Round 5 – Yudasin, Leonid – 1-0 – Ehlvest, Jaan – G126 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. bxc3 c5 5. f4 Nc6 6. d4 d5 7. Nf3 Bg4 8. Be2 e6 9. O-O Be7 10. h3 Bh5

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