B02q — Alekhine: Saemisch Attack, 3…Nxc3 4.dxc3

1.e4 Nf6 2.e5 Nd5 3.Nc3 Nxc3 4.dxc3 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité aile_dame (4v3), case forte d4, paire de fous, colonne d.
Faiblesses adverses : Bc8 enfermé, Bf8 enfermé, roi noir au centre.
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
● Be3 — Développer Bc1
● Bd3 — Développer Bf1
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité centre (2v1), 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

B02q — Saemisch Attack

1.e4 Nf6 2.e5 Nd5 3.Nc3 Nxc3 4.dxc3

Eval: [+0.21]

Les coups candidats

4…d6 — 57.2% (861 parties)

Ambassadeurs : Radulov, Ivan (8x), Alho, Sauli (7x), Westerinen, Heikki M.J. (6x), Spiegel, Stefan, Dr. (5x), Pilnik, Herman (4x), Ochedzan, Tymon (4x), Haik, Aldo (3x), Keres, Paul (3x)

4…d5 — 23.6% (355 parties)

Ambassadeurs : Cafferty, Bernard (6x), Green, Andrew D (5x), Karagiannis, Athanasios NA (3x), Weyerstrass, Ronald (3x), Burgess, Graham K (3x), Spencer, Edwin A (3x), Pitschka, Claus (3x), Chekhover, Vitaly (2x)

4…Nc6 — 12.5% (189 parties)

Ambassadeurs : Feldstein Esq, Robert A (2x), Dive, Russell John (2x), Balada Moreno, Jose Luis (2x), Parkanyi, Attila (2x), Mozes, Ervin (2x), Krenz, Dieter (2x), Sergeev, Vl (2x), Fresno Meyer, Eberhard (1x)

4…g6 — 4.4% (66 parties)

Ambassadeurs : Bolduc, Steve (2x), Henderson, John B. (2x), Van Doesburgh, Gerrit (1x), Epstein, AM. (1x), Grabczewski, Romuald (1x), Gawlikowski, Stanislaw (1x), Bannik, Anatolij (1x), Korchnoi, Viktor (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	4…d6	4…d5	4…Nc6	4…g6
<1800	42	55%	10%	21%	5%
1800-2200	597	53%	27%	13%	5%
2200-2600	483	65%	20%	11%	3%
2600+	1	—	100%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	4…d6	4…d5	4…Nc6	4…g6
1920s	13	62%	15%	23%	—
1930s	10	80%	10%	—	10%
1940s	5	40%	60%	—	—
1950s	8	50%	12%	25%	12%
1960s	34	68%	24%	6%	3%
1970s	124	59%	23%	12%	3%
1980s	103	61%	22%	4%	4%
1990s	306	57%	24%	12%	5%
2000s	388	57%	24%	13%	4%
2010s	431	54%	24%	16%	4%
2020s	84	62%	23%	8%	7%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
4…d6	54%	62%	▲ +7.8%
4…d5	24%	23%	▼ -1.3%
4…Nc6	16%	8%	▼ -7.4%
4…g6	4%	7%	▲ +3.2%

Joueurs célèbres

Champions du monde dans cette position

Euwe, Max — 2 parties
Smyslov, Vladimir — 1 partie

Parties historiques

4…d6 — 57.2% (861 parties)

1925 — Tarrasch, Siegbert vs Reti, Richard — 1/2-1/2 — Baden-Baden GER
1925 — Te Kolste, Jan Willem vs Reti, Richard — 0-1 — Baden-Baden GER
1929 — Gumprich vs N Charvik Nandan — 1-0 — Berlin GER
1929 — Elekes, D vs Szekely, Jeno — 1-0 — Budapest HUN
1929 — Torres, Cristian vs Colle, Edgar — 0-1 — Barcelona Barcelona ESP

4…d5 — 23.6% (355 parties)

1925 — Yates, Frederic D vs Capablanca, Jose — 0-1 — Moscow RUS
1928 — ? vs Gruenfeld, Ernst — 1/2-1/2 — Vienna AUT
1937 — Chekhover, Vitaly vs Rabinovich, Ilya Mar — 1-0 — Leningrad RUS
1940 — Pinkus, Albert vs Green, Matthew R — 1/2-1/2 — New York, NY USA
1947 — Napolitano, Mario vs Giustolisi, Alberto — 0-1 — Rome ITA

4…Nc6 — 12.5% (189 parties)

1924 — Fresno Meyer, Eberhard vs Menke, G. — 1-0 — Corr
1925 — De La Torre Huertas, Carlos vs Reti, Richard — 1/2-1/2 — Baden Baden DEU
1929 — Yates, Frederic D vs Menchik, Vera — 1/2-1/2 — Barcelona Barcelona ESP
1959 — Bannik, Anatolij vs Zamikhovsky, Abram — 1-0 — Kiev UKR
1959 — Nezhmetdinov, Rashid vs Spassky, Boris V. — 0-1 — Tbilisi ch-URS

4…g6 — 4.4% (66 parties)

1934 — Van Doesburgh, Gerrit vs Epstein, AM. — 1-0 — NED
1954 — Bannik, Anatolij vs Korchnoi, Viktor — 1-0 — Kiev ch-URS
1962 — Grabczewski, Romuald vs Gawlikowski, Stanislaw — 1-0 — Poznan ch POL
1970 — Tsankov, Dobromir vs Spiridonov, Nikola — 1-0 — Sofia BUL
1972 — Myagmarsuren, Lkhamsuren vs Kraidman, Yair — 1/2-1/2 — Skopje MKD

	♔ Blancs	♚ Noirs
Pions doublés	● c2, ● c3	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→c3	—
Passés	—	—
Majorité	● aile_dame 4v3	● centre 2v1

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (2v0)	—
Cases faibles	—	—
Centre	● d4 (2v0), ● d5 (1v0)	—

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	—

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 (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	● c3-c4, ● f2-f3	● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …e7-e6, ● …f7-f6, ● …f7-f5

Partie
1925 Baden Baden – Round 3 – De La Torre Huertas, Carlos – 1/2-1/2 – Reti, Richard – G2 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 Nc6 5. Nf3 d6 6. Bb5 a6 7. Bxc6+ bxc6 8. Bf4 Rb8 9. b3 e6 10. Qd3 d5
1925 Baden-Baden – Round 1 – Te Kolste, Jan Willem – 0-1 – Reti, Richard – G109 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 d6 5. exd6 Qxd6 6. Qxd6 cxd6 7. g3 Nc6 8. Be3 g6 9. Nf3 Bg7 10. Bg2 O-O
1925 Moscow – Round 1 – Yates, Frederic D – 0-1 – Capablanca, Jose – G120 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 d5 5. Nf3 c5 6. Bf4 Nc6 7. Qd2 Bg4 8. O-O-O e6 9. h3 Bxf3 10. gxf3 Qc7
1928 Vienna – Round 5 – ? – 1/2-1/2 – Gruenfeld, Ernst – G37 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 d5 5. Nf3 c5 6. c4 d4 7. Bd3 Nc6 8. h3 g6 9. Qe2 Bg7 10. O-O O-O
1929 Barcelona Barcelona ESP – Round 12 – Torres, Cristian – 0-1 – Colle, Edgar – G34 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 d6 5. exd6 Qxd6 6. Qxd6 cxd6 7. Bd3 g6 8. h4 Bg7 9. Ne2 Nc6 10. Be3 a6
1929 Barcelona Barcelona ESP – Round 3 – Yates, Frederic D – 1/2-1/2 – Menchik, Vera – G10 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 Nc6 5. Nf3 d6 6. Bb5 Bd7 7. Qe2 e6 8. Bf4 a6 9. Bd3 d5 10. Ng5 Bc5
1929 Karlsbad – Round 1 – Maroczy, Geza – 1/2-1/2 – Euwe, Max – G152 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 d6 5. exd6 Qxd6 6. Qxd6 cxd6 7. Bd3 Nd7 8. Nf3 g6 9. h4 h5 10. Bg5 Nc5
1929 Karlsbad – Round 1 – Yates, Frederic D – 1/2-1/2 – Euwe, Max – G153 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 d6 5. Nf3 Bg4 6. Bc4 e6 7. h3 Bh5 8. Bf4 Be7 9. Qe2 d5 10. Bd3 Nd7
1932 Trebitsch Memorial 15th – Round 7 – ? – 0-1 – Hoenlinger, Baldur – G12 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 d6 5. exd6 exd6 6. Nf3 Be7 7. Be3 O-O 8. Qd2 Nc6 9. Be2 Ne5 10. h3 Be6
1933 GER Ch 01st – Round 2 – Richter, Kurt P – 1/2-1/2 – Rellstab, Ludwig Sr – G3 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 d6 5. Bc4 e6 6. Nf3 Nd7 7. Qe2 Nxe5 8. Nxe5 dxe5 9. Qxe5 Qd6 10. Qg5 Qc5
1939 Rosario – Round 1 – Garcia Vera, Romeo – 1/2-1/2 – Cristia, Jose Maria – G13 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 d6 5. Nf3 Nc6 6. Bc4 e6 7. Bf4 Be7 8. Qe2 O-O 9. O-O-O a6 10. h4 d5
1940 New York ch-USA – Round 7 – Pinkus, Albert – 1/2-1/2 – Green, Matthew R – G37 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 d5 5. c4 d4 6. Bd3 c5 7. h3 Nc6 8. Nf3 h6 9. Qe2 e6 10. O-O b6
1942 Munich – Round 1 – Richter, Kurt – 1/2-1/2 – Foltys, Jan – G17 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 d6 5. Nf3 Nc6 6. Bb5 Bd7 7. Qe2 a6 8. Bxc6 Bxc6 9. Bg5 Qd7 10. exd6 cxd6
1947 URS Ch, semi final – Round 12 – Chekhover, Vitaly – 1/2-1/2 – Mikenas, Vladas – G74 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 d5 5. c4 Be6 6. Nf3 dxc4 7. Qxd8+ Kxd8 8. Ng5 Bd5 9. e6 Bxe6 10. Nxe6+ fxe6
1950 URS Ch sf Kiev UKR – Round 5 – Goldenov, Boris P – 0-1 – Panov, Vasily – G3 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 d6 5. Bc4 e6 6. Nf3 Nd7 7. Bf4 d5 8. Bd3 Be7 9. O-O O-O 10. Qd2 Nc5
1951 Staunton Memorial – Round 1 – Klein, Ernst – 0-1 – Trifunovic, Petar – G10 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 d6 5. Nf3 Nc6 6. Bf4 g6 7. h3 Bg7 8. Qe2 O-O 9. Qe3 dxe5 10. Nxe5 Nxe5
1954 Kiev ch-URS – Round 1 – Bannik, Anatolij – 1-0 – Korchnoi, Viktor – G141 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 g6 5. Nf3 Bg7 6. Bf4 d6 7. Qd2 Nc6 8. O-O-O Bg4 9. exd6 cxd6 10. Be2 Qa5
1959 Tbilisi ch-URS – Round 18 – Nezhmetdinov, Rashid – 0-1 – Spassky, Boris V. – G159 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 Nc6 5. Nf3 d6 6. Bc4 dxe5 7. Qxd8+ Nxd8 8. Nxe5 f6 9. Nd3 e5 10. O-O Be6
1959 UKR Ch – Round 20 – Bannik, Anatolij – 1-0 – Zamikhovsky, Abram – G152 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 Nc6 5. Nf3 d6 6. Bf4 Bg4 7. h3 Bh5 8. Bb5 a6 9. Be2 e6 10. Qd2 dxe5
1961 Moskou – Round 1 – Bannik, Anatolij – 1/2-1/2 – Bronstein, David I – G103 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 d6 5. Nf3 dxe5 6. Qxd8+ Kxd8 7. Nxe5 Ke8 8. Bc4 e6 9. O-O Bd6 10. Re1 Nd7
1961 Zuerich – Round 5 – Keres, Paul – 1-0 – Schmid, Lothar – G27 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 d6 5. Nf3 Nc6 6. Bb5 Bd7 7. Qe2 dxe5 8. Nxe5 Nxe5 9. Qxe5 c6 10. Bc4 Qb8
1961 Zurich – Round 1 – Keres, Paul – 1-0 – Schmid, Leo – G10 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 d6 5. Nf3 Nc6 6. Bb5 Bd7 7. Qe2 Nxe5 8. Nxe5 dxe5 9. Qxe5 c6 10. Bc4 Qb8
1962 DDR-12ch – Round 2 – Moehring, Guenther – 1/2-1/2 – Pietzsch, Wolfgang – G6 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 d6 5. Nf3 Nc6 6. Bb5 a6 7. Bxc6+ bxc6 8. O-O Bg4 9. Bf4 e6 10. Qd3 d5
1962 Poznan ch POL – Round 6 – Grabczewski, Romuald – 1-0 – Gawlikowski, Stanislaw – G38 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 g6 5. Bf4 Bg7 6. Qd2 d6 7. O-O-O Nc6 8. Bb5 Bd7 9. Nf3 dxe5 10. Bh6 Bf6
1962 Stevenson Memorial 10th – Round 11 – Viney, Francis William – 1/2-1/2 – Cafferty, Bernard – G36 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 d5 5. Bd3 c5 6. f4 Nc6 7. Bd2 g6 8. Qf3 Bg7 9. Nh3 a6 10. Nf2 h5
1963 Bath ch-BCF – Round 3 – Fazekas, Stephan – 1/2-1/2 – Cafferty, Bernard – G32 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 d6 5. Bc4 Nc6 6. exd6 exd6 7. Nf3 Be7 8. O-O O-O 9. h3 Be6 10. Bxe6 fxe6
1963 Odense – Round 1 – Soby, Frode – 1-0 – Kolvig, Bent – G14 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 d5 5. Be3 e6 6. Bd3 c5 7. Qg4 Nc6 8. Nf3 f5 9. exf6 Qxf6 10. Qh5+ g6
1966 Student Olympiad fA – Round 3 – Radulov, Ivan – 1/2-1/2 – Jansa, Vlastimil – G4 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 d6 5. Nf3 dxe5 6. Qxd8+ Kxd8 7. Nxe5 Ke8 8. Bc4 e6 9. Be3 Bd6 10. Nd3 Bd7
1966 WchT U26 fin-A 13th – Round 2 – Stefanov, Jordan – 0-1 – Segal, Alexandru Sorin – G3 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 d6 5. Nf3 Nc6 6. Bb5 Bd7 7. Qe2 e6 8. Bf4 a6 9. Bd3 dxe5 10. Nxe5 Bd6
1967 Sousse Interzonal – Round 6 – Sarapu, Ortvin – 0-1 – Hort, Vlastimil – G58 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 d6 5. Nf3 dxe5 6. Qxd8+ Kxd8 7. Nxe5 Ke8 8. Bc4 e6 9. f4 Nd7 10. Nxd7 Bxd7
1967 Stary Smokovec – Round 4 – Grabczewski, Romuald – 1/2-1/2 – Cibulka, Vladimir – G8 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 d6 5. Bf4 g6 6. Qd2 Bg7 7. O-O-O Nc6 8. Bb5 Bd7 9. Nf3 Na5 10. Be2 Be6
1968 Alma Ata ch-URS – Round 15 – Nikitin, A. – 0-1 – Bagirov, Vladimir – G136 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 d6 5. Nf3 dxe5 6. Qxd8+ Kxd8 7. Nxe5 Ke8 8. Bc4 e6 9. O-O Bd6 10. Re1 Nd7
1968 Kislovodsk – Round 12 – Nikolic, Stanimir – 0-1 – Orev, Petar – G88 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 d5 5. Bd3 c5 6. f4 Nc6 7. Nf3 Bg4 8. h3 Bxf3 9. Qxf3 e6 10. Qg3 g6
1968 URS Team Ch – Round 1 – Zhuravliov, Valerij – 0-1 – Vasiukov, Evgeni – G175 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 d5 5. Bg5 c6 6. Bd3 Nd7 7. Qe2 Nc5 8. O-O-O Qa5 9. Kb1 e6 10. h4 Na4
1975 URS Team Ch – Round 1 – Samaganova, Bakita – 0-1 – Levitina, Irina – G512 1. e4 Nf6 2. e5 Nd5 3. Nc3 Nxc3 4. dxc3 d5 5. Nf3 c5 6. Bb5+ Nc6 7. O-O Bg4 8. h3 Bf5 9. Nh4 e6 10. Nxf5 exf5

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