B02i — Alekhine: Scandinavian, Exchange, 4.Bc4

1.e4 Nf6 2.Nc3 d5 3.exd5 Nxd5 4.Bc4 *   ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bN
bBFou enfermé — mobilité 5
bQ
bKRoi au centre — vulnérable
bBFou enfermé — mobilité 0
bR
bP
bP
bP
bP
bP
bP
bP
Case forte (2v0)
bNCase forte (2v1)
wBFou actif — mobilité 7
wN
wP
wP
wP
wP
wP
wP
wP
wR
wB
wQ
wK
wN
wR
abcdefgh
Avantages : case forte b5, case forte d5, Bc4 actif, paire de fous, colonne e.
Faiblesses adverses : Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, 4 pièces non développées (G1, C1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Nf3 — Développer Ng1
● d3 — Libérer Bc1
● c3 — Préparer d4
● Re — Tour sur colonne e

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wR
wN
wKRoi au centre — doit roquer
wQ
wBFou enfermé — mobilité 0
wR
wP
wP
wP
wP
wP
wP
wP
wN
wB
bN
bP
bP
bP
bP
bP
bP
bP
bR
bB
bK
bQ
bBFou actif — mobilité 5
bN
bR
hgfedcba
Avantages : paire de fous, colonne d.
Faiblesses adverses : Bc1 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
● ...Nbd7 — Développer Nb8
● ...Bf5 — Développer Bc8
● ...Bd6 — Développer Bf8
● ...c6 — Rupture
Avantages
Faiblesses adverses
Diagonale active
Plans

Structure de pions
B02i — Scandinavian Exchange
1.e4 Nf6 2.Nc3 d5 3.exd5 Nxd5 4.Bc4
Eval: [+0.21]
Les coups candidats
Ambassadeurs : Varga, Zoltan (11x), Stricova, Zuzana (8x), Krizsany, Laszlo (8x), Lenz, Juergen (8x), Varga, Peter (7x), Panchenko, Alexandar G (7x), Krivoshey, Sergei (6x), Bortnyk, Olexandr (6x)
4…c6 — 21.6% (1453 parties)
Ambassadeurs : Kertesz, Alfred (6x), Bagirov, Vladimir (5x), Husson, Cybele (5x), Maximov, Dmitry (5x), Krajnak, Martin (5x), Konopka, Michal (5x), Gosciniak, Maria (5x), Chrz, Pavel (5x)
Ambassadeurs : Cafferty, Bernard (11x), Simacek, Pavel (5x), Voracek, Zdenek (5x), Galego, Luis (4x), Santos, Carlos Pereira dos (4x), Kindl, Peter (4x), Dexter, Daniel (4x), Pavlov, Sergey (4x)
4…Nxc3 — 13.2% (884 parties)
Ambassadeurs : Sergeev, Vladimir (8x), Hyll, Jan (5x), Alekhine, Alexander (4x), Colle, Edgar (4x), Maljutin, Evgeni (4x), Herzenstein, Georg (4x), Malbran, Guillermo (4x), Zoltek, Tadeusz (3x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…Nb6 4…c6 4…e6 4…Nxc3
<1800 298 35% 21% 16% 21%
1800-2200 3047 40% 23% 20% 12%
2200-2600 1513 44% 23% 20% 9%
2600+ 3 67% 33%
Évolution par décennie (% des parties)
Décennie N parties 4…Nb6 4…c6 4…e6 4…Nxc3
1860s 1 100%
1900s 1 100%
1910s 2 50% 50%
1920s 55 35% 7% 24% 27%
1930s 35 49% 11% 20% 14%
1940s 15 13% 20% 33% 13%
1950s 18 39% 11% 28% 11%
1960s 30 33% 3% 37% 17%
1970s 152 30% 12% 41% 12%
1980s 256 36% 11% 38% 11%
1990s 1792 39% 21% 23% 12%
2000s 2390 40% 23% 18% 14%
2010s 1741 41% 24% 18% 12%
2020s 229 34% 24% 17% 17%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…Nb6 41% 34% ▼ -6.4%
4…c6 24% 24% ▲ +0.9%
4…e6 18% 17% ▼ -0.6%
4…Nxc3 12% 17% ▲ +5.5%
Joueurs célèbres
Champions du monde dans cette position
Alekhine, Alexander — 10 parties
Euwe, Max — 2 parties
Hou, Yifan — 1 partie
Parties historiques
4…Nb6 — 39.3% (2638 parties)
1921 — Donegan, Alfred vs Alekhine, Alexander — 0-1 — Zurich sim Zurich SUI
1922 — Imbaud vs Strumilo, Slawomir — 1-0 — Correspondence
1922 — Imbaud vs STRUMILO, A. — 1-0 — cr
1923 — Tarrasch, Siegbert vs Gruenfeld, Yehuda — 1/2-1/2 — Carlsbad CZE
1923 — Tarrasch, Siegbert vs Gruenfeld, Ernst — 1/2-1/2 — Carlsbad CZE
4…c6 — 21.6% (1453 parties)
1913 — Scott, Roland Henry vs Jacobs, Herbert Levi — 0-1 — Cheltenham
1921 — Euwe, Max vs Fontein, George — 1-0 — Pokalt
1924 — Schulz, Jan vs Wreford Brown, C. — 1-0 — Paris FRA
1928 — Sergeant, Edward vs Takacs, Sandor — 0-1 — Hastings Town Hall
1928 — Becker, Albert vs Takacs, Sandor — 0-1 — Vienna AUT
4…e6 — 20.7% (1393 parties)
1860 — Stanley, Charles H vs Horne, Allroy — 0-1 — Cambridge
1901 — Jonsson Herman vs Hansen Hanspetter — 1/2-1/2 — Goteborg SWE
1920 — Bonanno, Guido vs Benini, Giuseppe — 1-0 — Viareggio ITA
1923 — Keidanz, Hermann vs Polak, H. — 1-0 — Berlin GER
1923 — Wolf, Hans-Josef vs Gruenfeld, Ernst — 1/2-1/2 — Carlsbad CZE
4…Nxc3 — 13.2% (884 parties)
1910 — Stevens, Emily Margaret vs Sollas, Amabel Nevill Gwyn — 0-1 — Oxford ENG
1921 — De Barbieri, Vittorio vs De Jaslenski, Ladislas — 0-1 — Genova ITA
1924 — Bogoljubow, Efim vs Romanovsky, Pjotr — 1/2-1/2 — Leningrad RUS
1925 — Rosselli, Stefano vs Reti, Richard — 1/2-1/2 — Baden-Baden GER
1926 — Borras Schulz, Konrad vs Prokes, Jaromir — 1/2-1/2 — Bardiov
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés
Chaînes
Passés
Majorité
Cases
♔ Blancs ♚ Noirs
Cases fortes ● b5 (2v0), ● d5 (2v1)
Cases faibles
Centre ● d5 (2v1), ● e4 (1v0)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Semi-ouvertes ● e ● d
Pièces
♔ Blancs ♚ Noirs
Bc1 ● Bc1 Non développé (mob. 0)
Bc4 ● Bc4 Actif (mob. 7)
Bc8 ● Bc8 Non développé (mob. 5)
Bf8 ● Bf8 Non développé (mob. 0)
Paire de fous ● Oui ● Oui
Non développées 4 (g1, c1, 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, ● …e7-e6, ● …e7-e5, ● …f7-f6, ● …f7-f5
Partie
1924 Leningrad m – Round 7 – Bogoljubow, Efim – 1/2-1/2 – Romanovsky, Pjotr – G7
1. Nc3 Nf6 2. e4 d5 3. exd5 Nxd5 4. Bc4 Nxc3 5. Qf3 e6 6. Qxc3 Nc6 7. Nf3 Qf6 8. O-O Qxc3 9. bxc3 Bd6 10. Ng5 O-O
1925 Baden-Baden – Round 1 – Rosselli, Stefano – 1/2-1/2 – Reti, Richard – G103
1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Bc4 Nxc3 5. Qf3 e6 6. bxc3 Nd7 7. d4 Bd6 8. Ne2 O-O 9. O-O e5 10. Ng3 exd4
1926 Bardejov – Round 8 – Schulz, Jan Sr – 1/2-1/2 – Prokes, Ladislav – G39
1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Bc4 Nxc3 5. Qf3 e6 6. Qxc3 Nc6 7. Nf3 Qf6 8. Qxf6 gxf6 9. d4 Bd7 10. Be3 O-O-O
1926 Budapest – Round 8 – Nagy, Geza – 0-1 – Prokes, Ladislav – G49
1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Bc4 Nxc3 5. Qf3 e6 6. bxc3 Nc6 7. d4 Bd6 8. Ne2 Qf6 9. Qe3 Ne7 10. Ng3 Nf5
1926 Merano Meran ITA – Round 1 – Spielmann, Rudolf – 1/2-1/2 – Sacconi, Antonio – G2
1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Bc4 Be6 5. Qf3 c6 6. Nge2 Nc7 7. Bb3 Nd7 8. d4 g6 9. Ne4 Bg7 10. Ng5 Bxb3
1926 WECU Major Open 3rd – Round 6 – Blake, Joseph – 0-1 – Colle, Edgar – G11
1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Bc4 Nxc3 5. Qf3 e6 6. Qxc3 Nc6 7. Nf3 Bd7 8. O-O Be7 9. d4 O-O 10. Bf4 Bf6
1927 Kecskemet II – Round 5 – Vajda, Arpad – 1-0 – Colle, Edgar – G15
1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Bc4 Nxc3 5. Qf3 e6 6. Qxc3 Nc6 7. Nf3 Bd7 8. O-O Qf6 9. d4 h6 10. a3 Bd6
1927 Santiago de Chile sim – Round ? – Alekhine, Alexander – 1/2-1/2 – Parra Castano, Toni – G11
1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Bc4 Nxc3 5. Qf3 e6 6. Qxc3 Nd7 7. Nf3 Qf6 8. d4 h6 9. O-O Nb6 10. Bb5+ c6
1928 Hastings Premier /29 9th – Round 2 – Sergeant, Edward – 0-1 – Takacs, Sandor – G8
1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Bc4 c6 5. Qf3 Be6 6. Nge2 Nc7 7. d3 Nd7 8. Bf4 Bxc4 9. dxc4 Ne6 10. O-O-O Nxf4
1928 Mar del Plata – Round 16 – Castillo Larenas, Mariano – 1/2-1/2 – Montalban, Jose – G59
1. e4 d5 2. exd5 Nf6 3. Nc3 Nxd5 4. Bc4 Nxc3 5. Qf3 e6 6. dxc3 Nd7 7. Bf4 Bd6 8. Bxd6 cxd6 9. Qg3 Nf6 10. O-O-O d5
1929 Barcelona – Round 10 – Ayllon Soler, Pablo – 0-1 – Colle, Edgar – G20
1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Bc4 Nxc3 5. bxc3 e6 6. d4 Be7 7. f4 O-O 8. Nf3 c5 9. O-O Nc6 10. Be3 Qa5
1929 Mexico sim – Round ? – Alekhine, Alexander – 1-0 – Bringas, JM. – G11
1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Bc4 Nf6 5. Nf3 Nc6 6. d4 e6 7. O-O Be7 8. Re1 O-O 9. Be3 Re8 10. Ne5 Bd7
1929 Mexico sim – Round ? – Alekhine, Alexander – 1-0 – Brunner, Alexander – G9
1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Bc4 Nxc3 5. Qf3 e6 6. bxc3 Bd7 7. Qxb7 Bc6 8. Bb5 Bxb5 9. Qxb5+ Nd7 10. Nf3 Bd6
1930 Netherlands – Round 2 – Maroczy, Geza – 1/2-1/2 – Weenink, Henri – G8
1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Bc4 Nxc3 5. Qf3 e6 6. Qxc3 Nc6 7. Nf3 Qf6 8. O-O Qxc3 9. bxc3 Be7 10. d4 O-O
1933 GER Ch 1st – Round 5 – Bogoljubow, Efim – 1/2-1/2 – Rellstab, Ludwig – G17
1. Nc3 d5 2. e4 Nf6 3. exd5 Nxd5 4. Bc4 Nxc3 5. Qf3 e6 6. Qxc3 Nc6 7. Nf3 Qf6 8. O-O Qxc3 9. bxc3 Bd6 10. Nd4 Nxd4
1935 Buenos Aires – Round 15 – Hounie Fleurquin, Carlos – 1-0 – Castillo Larenas, Mariano – G110
1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Bc4 Nxc3 5. bxc3 Nd7 6. Nf3 e6 7. d4 Be7 8. Qe2 c5 9. O-O O-O 10. Re1 Bf6
1942 Sverdlovsk – Round 2 – Ivanov Peter – 0-1 – Mikenas, Vladas – G15
1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Bc4 c6 5. d4 Bf5 6. Nf3 e6 7. O-O Be7 8. Nxd5 cxd5 9. Bd3 Bg4 10. c3 O-O
1943 Sverdlovsk – Round 14 – Kan, Ilya A – 1-0 – Ragozin, Viacheslav – G56
1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Bc4 c6 5. Qf3 Nf6 6. h3 Nbd7 7. Qe2 Nb6 8. Bb3 a5 9. a3 a4 10. Ba2 Nbd5
1946 ARM Ch m – Round 8 – Kasparian, Genrikh – 1/2-1/2 – Petrosian, Tigran A. – G8
1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Bc4 Nxc3 5. Qf3 e6 6. Qxc3 c5 7. Nf3 Nc6 8. O-O Qf6 9. Qe3 Bd6 10. c3 Qf4
1946 Prague – Round 1 – Rohacek, Ivan – 0-1 – Sajtar, Jaroslav – G18
1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Bc4 Be6 5. Qf3 c6 6. Nh3 Nc7 7. Be2 Nd7 8. Ng5 Nf6 9. Nxe6 Nxe6 10. Bd1 g6
1946 Treybal Memorial – Round 11 – Rohacek, Ivan – 0-1 – Sajtar, Jaroslav – G62
1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Bc4 Be6 5. Qf3 c6 6. Nh3 Nc7 7. Be2 Nd7 8. Ng5 Nf6 9. Nxe6 Nxe6 10. Bd1 g6
1948 Karlovy Vary – Round 14 – Podgorny, Jiri – 0-1 – Sajtar, Jaroslav – G140
1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Bc4 Be6 5. Qf3 c6 6. Nge2 Nc7 7. Bxe6 Nxe6 8. d3 Nd4 9. Nxd4 Qxd4 10. O-O e6
1951 World chJ U20 1st – Round 6.3 – Bhend, Edwin – 1-0 – Coosemans, Billy – G17
1. e4 d5 2. exd5 Nf6 3. Nc3 Nxd5 4. Bc4 Be6 5. Qf3 c6 6. Nge2 Nd7 7. d4 N7b6 8. Bb3 g6 9. Ne4 Nc7 10. Nc5 Bxb3
1956 Simul Koltanowski +46 -01 =13 – Round ? – Koltanowski, George – 1/2-1/2 – Brarens – G7
1. e4 d5 2. exd5 Nf6 3. Nc3 Nxd5 4. Bc4 Nxc3 5. Qf3 e6 6. dxc3 Bd6 7. Ne2 O-O 8. Bd3 f5 9. O-O e5 10. Bc4+ Kh8
1958 Stevenson Memorial 6th – Round 1 – Clarke, Michael Robert B – 0-1 – Karaklajic, Nikola – G2
1. e4 d5 2. exd5 Nf6 3. Nc3 Nxd5 4. Bc4 Be6 5. Nxd5 Bxd5 6. Bxd5 Qxd5 7. Nf3 Nc6 8. O-O O-O-O 9. d3 e5 10. Be3 f5
1959 Belgrade – Round ? – Boskovic, Milorad – 1/2-1/2 – Karaklajic, Nikola – G63
1. e4 d5 2. exd5 Nf6 3. Nc3 Nxd5 4. Bc4 c6 5. Qf3 e6 6. Nge2 Bd6 7. d4 O-O 8. Ne4 Be7 9. c3 Nd7 10. N2g3 N7f6
1964 RSFSR-HUN – Round 1.9 – Ladanyike-Karakas, Eva – 0-1 – Kozlovskaya, Valentina – G9
1. e4 d5 2. exd5 Nf6 3. Nc3 Nxd5 4. Bc4 Nf6 5. Nf3 Bg4 6. h3 Bh5 7. g4 Bg6 8. Ne5 e6 9. Qe2 Nbd7 10. d4 Bb4

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