B02t — Alekhine: Two Pawns Attack, 5.Nc3

1.e4 Nf6 2.e5 Nd5 3.c4 Nb6 4.c5 Nd5 5.Nc3 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur la case forte b5 et la paire de fous.

Côté adverse. Les fous enfermés en c8 et f8, le roi resté au centre et une pièce en prise (le cavalier en d5).

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier g1, les fous c1 et f1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; Nf3 (Développer Ng1) ; d3 (Libérer Bc1) ; Bd3 (Développer Bf1).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur la paire de fous.

Côté adverse. Les fous enfermés en c1 et f1 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le cavalier b8, les fous c8 et f8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...d6 (Libérer Bc8) ; ...Nc6 (Développer Nb8) ; ...Bd6 (Développer Bf8) ; ...e6 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

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

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0)	—
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, ● …d7-d6, ● …e7-e6, ● …f7-f6, ● …f7-f5

Partie
1923 Vienna – Round 8 – Gruber, Theo – 0-1 – Gruenfeld, Ernst – G40 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 Nxc3 6. bxc3 d6 7. cxd6 exd6 8. Nf3 Be7 9. Bc4 O-O 10. O-O Nc6
1931 Bled – Round 1 – Maroczy, Geza – 1/2-1/2 – Colle, Edgar – G124 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 Nxc3 6. dxc3 e6 7. Be3 b6 8. cxb6 axb6 9. Nf3 Nc6 10. Bd3 Ba6
1931 Budapest – Round 2 – Maroczy, Geza – 1/2-1/2 – Pikler, Robert – G27 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 e6 6. d4 Nxc3 7. bxc3 d6 8. cxd6 cxd6 9. Nf3 Nc6 10. Bd3 Qa5
1931 It Bled SLO – Round 20 – Stoltz, Gösta – 0-1 – Colle, Edgar – G14 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 Nxc3 6. dxc3 Nc6 7. Nf3 g6 8. Bc4 Bg7 9. Bf4 O-O 10. Qd2 b6
1932 Pasadena – Round 1 – Alekhine, Alexander – 1/2-1/2 – Fine, Reuben – G23 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 Nxc3 6. dxc3 d6 7. Bc4 d5 8. Qxd5 Qxd5 9. Bxd5 e6 10. Be4 Bxc5
1932 Pasadena, CA USA – Round 11 – Alekhine, Alexander – 1/2-1/2 – Fine, Reuben – G9 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 Nxc3 6. dxc3 d6 7. Bc4 d5 8. Qxd5 Qxd5 9. Bxd5 e6 10. Be4 Bxc5
1938 Lasker – Round 4 – Halosar, Hermann – 0-1 – Becker, Albert – G16 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 e6 6. Bc4 Nxc3 7. bxc3 d5 8. cxd6 cxd6 9. exd6 Bxd6 10. d4 Qc7
1945 URS-sf – Round 15 – Liublinsky, Victor – 1/2-1/2 – Aronin, Lev – G65 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 e6 6. d4 d6 7. Nxd5 exd5 8. cxd6 cxd6 9. Nf3 Nc6 10. Bd3 dxe5
1948 Belgrade ch-YUG – Round 15 – Horvat, Rudolf – 1-0 – Janosevic, Dragoljub – G15 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 e6 6. Bc4 Nxc3 7. dxc3 Qh4 8. Qe2 Bxc5 9. g3 Qe7 10. Qg4 O-O
1949 Oldenburg – Round 11 – Walther, Edgar – 1/2-1/2 – Zemgalis – G46 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 e6 6. Bc4 Nxc3 7. bxc3 d5 8. cxd6 cxd6 9. exd6 Bxd6 10. d4 Qc7
1949 Remedios de Escalada – Round 2 – Beretta, Hector – 0-1 – Rossetto, Hector – G7 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 e6 6. Nxd5 exd5 7. d4 d6 8. cxd6 cxd6 9. Nf3 Nc6 10. Be2 dxe5
1953 Hastings ch-BCF – Round 2 – Phillips Andrea – 1/2-1/2 – Fazekas, Stephan – G25 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 e6 6. Nxd5 exd5 7. d4 d6 8. cxd6 cxd6 9. Nf3 Nc6 10. Be2 Qc7
1954 British Under 21 Championship – Round 6 – Watts, JH. – 0-1 – Cafferty, Bernard – G6 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 e6 6. Nxd5 exd5 7. d4 d6 8. b4 dxe5 9. dxe5 Nc6 10. Bb5 a5
1954 Budapest HUN – Round ? – Foldi, Jozsef – 1-0 – Rethy, Pal – G12 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 Nxc3 6. dxc3 Nc6 7. Bf4 e6 8. Qg4 b6 9. Nf3 h6 10. Bb5 Bb7
1955 Paris – Round 1 – Lopez Molnar, Aidan Mikael – 0-1 – Tartakower, Savielly – G3 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 e6 6. d4 Nc6 7. Nxd5 exd5 8. f4 d6 9. cxd6 cxd6 10. Nf3 Bg4
1956 CSR Ch – Round 12 – Herink, Miroslav – 1/2-1/2 – Sefc, Jan – G112 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 Nxc3 6. dxc3 d6 7. Qb3 e6 8. cxd6 cxd6 9. Nf3 Nc6 10. Bg5 Qc7
1957 GBR Ch 44th – Round 6.6 – Pritchard, David Brine – 0-1 – Cafferty, Bernard – G30 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 e6 6. Qb3 Bxc5 7. Nxd5 exd5 8. Qxd5 d6 9. Nf3 Nc6 10. Bb5 O-O
1959 FRG Ch 05th – Round 1 – Mohrlok, Dieter – 1/2-1/2 – Lehmann, Heinz – G3 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 e6 6. Qg4 Nc6 7. Nf3 d6 8. cxd6 cxd6 9. Bb5 Bd7 10. Nxd5 exd5
1959 Lodz ch POL – Round 2 – Swiecicki, Wojciech – 0-1 – Gawlikowski, Stanislaw – G10 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 Nxc3 6. dxc3 d6 7. Bc4 d5 8. Bxd5 e6 9. Bb3 Qxd1+ 10. Bxd1 Bxc5
1960 It Bad Salzungen GER – Round 7 – Jezek, Stanislav – 1/2-1/2 – Liebert, Heinz – G32 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 Nxc3 6. dxc3 d6 7. Nf3 Nc6 8. cxd6 exd6 9. Bf4 dxe5 10. Qxd8+ Nxd8
1960 Leningrad tt – Round 15 – Knezevic, Milorad – 1/2-1/2 – Liebert, Heinz – G211 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 Nxc3 6. dxc3 d6 7. Bc4 d5 8. Bd3 Nd7 9. e6 Ne5 10. exf7+ Nxf7
1960 Leningrad tt – Round 2 – Augustin, Josef – 0-1 – Popov, Luben – G26 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 e6 6. Bc4 Bxc5 7. Qg4 O-O 8. Nf3 f5 9. Qg3 Nb4 10. O-O Nc2
1960 Paignton Premier 10th – Round 7 – Milner Barry, Philip – 1-0 – Yeeles, Walter James E – G28 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 Nxc3 6. dxc3 d6 7. Bc4 e6 8. cxd6 cxd6 9. Nf3 Nc6 10. Bf4 d5
1960 S.F. Fairmont Hotel, bl – Round 24 – Koltanowski, George – 1-0 – Csejak, Daniel L – G10 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 Nxc3 6. dxc3 d6 7. Bc4 Nc6 8. cxd6 cxd6 9. Nf3 Nxe5 10. Nxe5 dxe5
1960 URS Ch sf – Round 10 – Estrin, Yakov – 1/2-1/2 – Bagirov, Vladimir – G81 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 Nxc3 6. dxc3 d6 7. cxd6 exd6 8. Nf3 Be7 9. Bc4 dxe5 10. Qxd8+ Bxd8
1961 Palanga Baltic Ch – Round ? – Oim, Tonu – 1/2-1/2 – Mikenas, Vladas – G59 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 e6 6. Qg4 h5 7. Qc4 d6 8. cxd6 cxd6 9. Nxd5 exd5 10. Qxd5 Nc6
1962 Sofia – Round 8 – Ciocaltea, Victor – 1-0 – Orev, Petar – G50 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 e6 6. Bc4 Nxc3 7. dxc3 Nc6 8. Bf4 Bxc5 9. Qg4 g5 10. Qxg5 Qxg5
1965 Bognor Regis-A – Round 1 – Howson, Jim B – 0-1 – Cafferty, Bernard – G20 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 e6 6. Bc4 Nxc3 7. dxc3 Nc6 8. Bf4 Bxc5 9. Qg4 g5 10. Qxg5 Qxg5
1966 WchTJ U26 fin-A – Round 7 – Polgar, Istvan – 0-1 – Hort, Vlastimil – G47 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 e6 6. Bc4 Nxc3 7. dxc3 Nc6 8. Bf4 b6 9. Qg4 Bb7 10. Nf3 Ne7
1966 Yugoslavia – Round 1 – Damjanovic, Marko – 0-1 – Buljovcic, Ivan – G21 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 e6 6. d4 d6 7. cxd6 cxd6 8. Nf3 Nc6 9. exd6 Bxd6 10. Bd3 Nf4
1967 Skopje – Round 16 – Nicevski, Risto – 1/2-1/2 – Knezevic, Milorad – G126 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 c6 6. Qb3 d6 7. cxd6 exd6 8. Bc4 dxe5 9. Nxd5 cxd5 10. Bxd5 Qc7
1968 It Lublin POL – Round 4 – Filipowicz, Andrzej – 1/2-1/2 – Cibulka, Vladimir – G6 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 e6 6. d4 d6 7. cxd6 cxd6 8. Nf3 Nc6 9. Bb5 Nxc3 10. bxc3 Bd7
1969 Buenos Aires ch-ARG – Round 5 – Pelikan, Anna – 1-0 – Barbero Bibiloni, Xabier – G24 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 e6 6. d4 d6 7. cxd6 cxd6 8. Nf3 Nc6 9. Bb5 Be7 10. O-O O-O
1969 JUG-URS – Round 1 – Nicevski, Risto – 1/2-1/2 – Vasiukov, Evgeni – G14 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 e6 6. Nxd5 exd5 7. d4 d6 8. cxd6 cxd6 9. Nf3 Nc6 10. Be2 Be7
1969 Praia da Rocha zt – Round 16 – Huguet, Bernard – 1-0 – Cordovil, Joao – G46 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 Nxc3 6. dxc3 d6 7. Bg5 Qd7 8. Qb3 Nc6 9. Nf3 Qf5 10. exd6 Ne5
1969 Praia da Rocha zt – Round 6 – Huguet, Bernard – 0-1 – Bobotsov, Milko G – G23 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 Nxc3 6. dxc3 d5 7. cxd6 exd6 8. Nf3 Nc6 9. Bf4 Bg4 10. Be2 Be7
1969 Rubinstein Memorial – Round 12 – Hennings, Artur – 0-1 – Bagirov, Vladimir – G55 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 e6 6. Nxd5 exd5 7. d4 b6 8. Nf3 bxc5 9. dxc5 c6 10. Be3 Qa5+
1969 Rubinstein Memorial – Round 14 – Hennings, Artur – 1/2-1/2 – Jansa, Vlastimil – G60 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 e6 6. Nxd5 exd5 7. d4 b6 8. Be3 bxc5 9. dxc5 c6 10. b4 Ba6
1969 Stary Smokovec – Round 4.5 – Novak, Ivan – 0-1 – Jansa, Vlastimil – G17 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 e6 6. Nxd5 exd5 7. d4 b6 8. cxb6 axb6 9. Nf3 Be7 10. Be2 O-O
1969 Zagreb – Round 11 – Siaperas, Triantafyllos – 1-0 – Saidy, Anthony – G78 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 Nxc3 6. dxc3 Nc6 7. Nf3 e6 8. Be3 d6 9. Bb5 dxc5 10. Qa4 Be7
1969 Zagreb – Round 13 – Siaperas, Triantafyllos – 1-0 – Czerniak, Moshe – G93 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 e6 6. Nxd5 exd5 7. d4 d6 8. cxd6 cxd6 9. Nf3 Nc6 10. Be2 dxe5
1975 URS Team Ch – Round 3 – Voskanyan, Vahagn – 0-1 – Shmit, Anatoly – G513 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 c6 6. d4 d6 7. Nxd5 cxd5 8. cxd6 exd6 9. Nf3 Nc6 10. Be2 dxe5

B02t — Two Pawns Attack

1.e4 Nf6 2.e5 Nd5 3.c4 Nb6 4.c5 Nd5 5.Nc3

Eval: [+0.06]

Les coups candidats

5…e6 — 58.2% (1013 parties)

Ambassadeurs : Sveshnikov, Evgeny (14x), Cafferty, Bernard (9x), Hennings, Artur (5x), Bernard, Ryszard (5x), Siaperas, Triantafyllos (4x), Ozsvath, Andras (4x), Westerinen, Heikki M.J. (4x), Schichtel, Heinz (4x)

5…Nxc3 — 27.9% (485 parties)

Ambassadeurs : Sveshnikov, Evgeny (5x), Alekhine, Alexander (3x), Huguet, Bernard (3x), Czuhai, Kevin (3x), Bagirov, Vladimir (3x), Dive, Russell John (3x), Kranzl, Peter (3x), Pelikian, Jefferson (3x)

5…c6 — 13.8% (240 parties)

Ambassadeurs : Sveshnikov, Evgeny (8x), Kantorik, Marian (4x), Knezevic, Milorad (3x), Sikora-Lerch, Jan (3x), Hermida Gonzalez, Pedro Pablo (3x), Burgess, Graham K (3x), Zelic, Mladen (3x), Regan, Natasha K (3x)

5…... — 0.1% (1 parties)

Ambassadeurs : Nezhmetdinov, Rashid (1x), Mikenas, Vladas (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5…e6	5…Nxc3	5…c6	5…...
<1800	40	45%	48%	8%	—
1800-2200	684	60%	27%	14%	—
2200-2600	567	60%	23%	17%	—
2600+	7	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	5…e6	5…Nxc3	5…c6	5…...
1920s	2	50%	50%	—	—
1930s	14	36%	57%	7%	—
1940s	13	38%	46%	8%	8%
1950s	15	60%	40%	—	—
1960s	48	54%	38%	8%	—
1970s	132	71%	19%	10%	—
1980s	101	51%	31%	18%	—
1990s	488	58%	25%	18%	—
2000s	462	59%	29%	13%	—
2010s	425	57%	30%	13%	—
2020s	41	59%	29%	12%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5…e6	57%	59%	▲ +1.1%
5…Nxc3	30%	29%	-0.4%
5…c6	13%	12%	▼ -0.5%
5…...	0%	0%	+0.0%

Joueurs célèbres

Champions du monde dans cette position

Alekhine, Alexander — 4 parties

Parties historiques

5…e6 — 58.2% (1013 parties)

1929 — Duehrssen, Rudolf vs Engert, Immo — 0-1 — Berlin GER
1931 — Boros, Sandor vs Beutum, Sigmund — 1-0 — Vienna AUT
1931 — Maroczy, Geza vs Pikler, Robert — 1/2-1/2 — Budapest HUN
1935 — Alekhine, Alexander vs Ekenberg, Bengt — 1/2-1/2 — Malmo SWE
1938 — Halosar vs Becker, Albert — 0-1 — Berlin GER

5…Nxc3 — 27.9% (485 parties)

1923 — Gruber, Theo vs Gruenfeld, Ernst — 0-1 — Vienna AUT
1931 — Stoltz, Gösta vs Colle, Edgar — 0-1 — It Bled SLO
1931 — Maroczy, Geza vs Colle, Edgar — 1/2-1/2 — Bled SLO
1932 — Gonzalez Rojo, Enrique vs Abel Vazquez, Jose Luis — 1-0 — Mexico City MEX
1932 — Golombek, Harry vs Tylor, Theodore Henry — 1-0 — Whiteleys, London

5…c6 — 13.8% (240 parties)

1935 — Karjakin, Sergei vs Pitschak, Rudolf — 1-0 — Konstantinovy Lazne
1949 — Ufimtsev, Artemiy vs Kopylov, Igor — 1-0 — Leningrad RUS
1960 — Toth, Peter vs Stenzel, Erbo — 0-1 — Fortaleza BRA
1967 — Nicevski, Risto vs Knezevic, Milorad — 1/2-1/2 — Skopje MKD
1969 — Hausner, Ivan vs Ligterink, Gert — 1/2-1/2 — Groningen NED

5…... — 0.1% (1 parties)

1948 — Nezhmetdinov, Rashid vs Mikenas, Vladas — 1-0 — Kazan RUS

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