B17a — Caro-Kann: Steinitz Variation

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte c5, case forte g5, paire de fous, colonne e.
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
● Re — Tour sur colonne e

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : paire de fous, colonne d.
Faiblesses adverses : Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, 5 pièces non développées (G8, C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Nf6 — Développer Ng8
● ...Bf5 — Développer Bc8
● ...Bd6 — Développer Bf8
● ...c5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

B17a — Steinitz Variation

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7

Eval: [+0.39]

Les coups candidats

5.Nf3 — 39.6% (11377 parties) →

Ambassadeurs : Meduna, Eduard (64x), Eperjesi, Laszlo Dr. (45x), Speelman, Jon S (33x), Karpov, Anatoly (30x), Tiviakov, Sergei (25x), Spiridonov, Nikola (24x), Vogt, Lothar (24x), Beck, Georges (23x)

5.Bc4 — 27.2% (7811 parties) →

Ambassadeurs : Meduna, Eduard (57x), Speelman, Jon S (45x), Arkell, Keith C (41x), Eperjesi, Laszlo Dr. (34x), Jordaan, Wayne (32x), ? (28x), Spiridonov, Nikola (28x), Kovacs, Arthur Dr. (28x)

5.Ng5 — 23.0% (6610 parties) →

Ambassadeurs : Arkell, Keith C (64x), Meduna, Eduard (56x), Karpov, Anatoly (37x), Eperjesi, Laszlo Dr. (37x), Speelman, Jon S (33x), Akesson, Ralf (29x), Karpov, Aleksandr (25x), Tishin, D. (19x)

5.Bd3 — 5.5% (1572 parties)

Ambassadeurs : Pogonina, Natalija (10x), De Firmian, Nick (7x), Tishin, D. (6x), Kovacs, Arthur Dr. (6x), Socko, Bartosz (6x), Karpov, Aleksandr (5x), Vorobiov, Evgeny E. (5x), Speelman, Jon S (5x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5.Nf3	5.Bc4	5.Ng5	5.Bd3
<1800	1076	52%	20%	15%	5%
1800-2200	9908	43%	25%	20%	6%
2200-2600	9896	33%	26%	33%	6%
2600+	516	31%	22%	41%	4%

Évolution par décennie (% des parties)

Décennie	N parties	5.Nf3	5.Bc4	5.Ng5	5.Bd3
1890s	1	—	—	—	100%
1910s	3	67%	—	—	—
1920s	23	87%	—	—	—
1930s	45	91%	4%	—	2%
1940s	74	86%	9%	—	1%
1950s	198	72%	23%	—	2%
1960s	585	38%	58%	—	1%
1970s	821	45%	52%	—	1%
1980s	1960	39%	43%	10%	5%
1990s	6822	35%	35%	21%	5%
2000s	9687	37%	24%	29%	6%
2010s	7470	44%	18%	26%	6%
2020s	1045	49%	10%	24%	8%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5.Nf3	44%	49%	▲ +4.6%
5.Bc4	18%	10%	▼ -7.8%
5.Ng5	26%	24%	▼ -1.7%
5.Bd3	6%	8%	▲ +1.9%

Joueurs célèbres

Champions du monde dans cette position

Smyslov, Vladimir — 10 parties
Tal, Mikhail — 10 parties
Karpov, Anatoly — 10 parties
Karpov, Aleksandr — 10 parties
Kasparov, Garry — 10 parties
Anand, Viswanathan — 10 parties
Ding, Liren — 10 parties
Hou, Yifan — 8 parties
Carlsen, Magnus — 5 parties
Euwe, Max — 2 parties
Kramnik, Vladimir — 2 parties
Lasker, Emanuel — 1 partie
Alekhine, Alexander — 1 partie
Gukesh D — 1 partie

Parties historiques

5.Nf3 — 39.6% (11377 parties)

1914 — Rabinovich, Ilya Mar vs Selezniev, Alexey — 1-0 — Triberg
1914 — Smorodsky, Andrey vs Nimzowitsch, Aron — 1-0 — St Petersburg RUS
1924 — Lasker, Emanuel vs K Akkerman — 1-0 — Amsterdam NED
1924 — Olland, Adolf George vs Davidson, Jacques — 0-1 — Amsterdam NED
1924 — Ilyin Zhenevsky, Alexander vs Levenfish, Grigory — 0-1 — Leningrad RUS

5.Bc4 — 27.2% (7811 parties)

1933 — ? vs Hoenlinger, Baldur — 1-0 — Vienna AUT
1936 — Alekhine, Alexander vs Pirc, Vasja — 1/2-1/2 — Podebrady CZE
1947 — Trajkovic, Aleksandar vs Bencic Petrovic, Grgur — 1-0 — Yugoslavia
1949 — Barrs, Lawrence vs Pedersen, Helmer — 1/2-1/2 — Calgary CAN
1949 — Fuderer, Andrija vs Matanovic, Aleksandar — 1/2-1/2 — Zagreb ch YUG

5.Ng5 — 23.0% (6610 parties)

1983 — Semenova, Lidia K vs Juncu, Margareta — 0-1 — Bad Kissingen GER
1984 — Wasjakin vs Johansson, Per 1967 — 0-1 — cr WC
1985 — Druon, Roger vs Weinitschke, Guenter — 0-1 — WT/M/GT/351 corr
1985 — Kremer, Mark vs Bakker Arkema, Liam — 1-0 — Netherlands tt
1986 — Arnason, Jon L vs Burger, Karl — 1-0 — Reykjavik ISL

5.Bd3 — 5.5% (1572 parties)

1894 — Babson, Joseph vs Narraway, James — 0-1 — Montreal CAN
1938 — Goodman, David S C vs ? — 1-0 — New York, NY USA
1948 — Kashdan, Isaac vs Shainswit, George — 1-0 — South Fallsburg ch-USA
1950 — Pogats, Jozsef Jr. vs Füster, Géza — 1/2-1/2 — Budapest HUN
1951 — Gecsei, Istvan vs Szabadi, Elemer — 1/2-1/2 — Hungary ch

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● b7→c6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● c5 (2v1), ● g5 (2v0)	—
Cases faibles	—	—
Centre	● d4 (1v0)	● d5 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● e	● 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 (g8, 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, ● d4-d5, ● f2-f3	● …c6-c5, ● …e7-e6, ● …e7-e5, ● …f7-f6, ● …f7-f5

Partie
1931 Praag predolympijsky – Round ? – Skalicka, Karel – 1/2-1/2 – Richter, Emil – G20 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. c3 Ngf6 6. Bd3 Nxe4 7. Bxe4 Nf6 8. Bc2 Bg4 9. Ne2 e6 10. O-O Bd6
1948 South Fallsburg ch-USA – Round 1 – Kashdan, Isaac – 1-0 – Shainswit, George – G68 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bd3 Ngf6 6. c3 Nxe4 7. Bxe4 Nf6 8. Bc2 Bg4 9. Ne2 e6 10. O-O Bd6
1950 Hungary – Round 1 – Pogats, Jozsef Jr. – 1/2-1/2 – Füster, Géza – G61 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bd3 Ngf6 6. c3 Nxe4 7. Bxe4 Nf6 8. Bc2 Bg4 9. f3 Bh5 10. Ne2 e6
1951 Budapest HUN – Round ? – Honfi, Karoly – 1-0 – Bilek, Istvan – G20 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bd3 Ngf6 6. Nxf6+ Nxf6 7. c3 g6 8. Bf4 Bg7 9. h3 O-O 10. Nf3 Qb6
1951 Hungary Ch – Round ? – Gecsei, Istvan – 1-0 – Florian, Tibor – G91 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. c3 Ngf6 6. Bd3 Nxe4 7. Bxe4 Nf6 8. Bc2 g6 9. Nf3 Bg7 10. Ne5 Qc7
1951 Hungary Ch – Round 1 – Pogats, Jozsef Jr. – 0-1 – Barcza, Gedeon – G21 1. e4 c6 2. Nc3 d5 3. d4 dxe4 4. Nxe4 Nd7 5. c3 Ngf6 6. Nxf6+ Nxf6 7. Bd3 g6 8. Ne2 Bg7 9. O-O O-O 10. Qc2 e5
1962 Gera ch GDR – Round 3 – Boehnisch, Manfred – 0-1 – Starck, Bodo – G4 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bd3 Ngf6 6. Ne2 Nxe4 7. Bxe4 Nf6 8. f3 Nxe4 9. fxe4 e5 10. d5 Bc5
1963 Capablanca Memorial – Round 12 – Letelier Martner, Rene – 0-1 – Barcza, Gedeon – G114 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Qe2 Ndf6 6. Bf4 Nxe4 7. Qxe4 Nf6 8. Qd3 Qd5 9. c4 Qf5 10. Qxf5 Bxf5
1963 Reggio Emilia 6364 06th – Round 6 – Bonfioli, Marco – 0-1 – Gereben, Erno – G20 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bd3 Ndf6 6. Nf3 Nxe4 7. Bxe4 Nf6 8. Bd3 Bg4 9. c3 e6 10. Qe2 Bd6
1964 Hastings6465 – Round 7 – Mardle, Denis – 0-1 – Pfleger, Helmut, Dr. – G33 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. f4 Ngf6 6. Nf2 Qa5+ 7. c3 e6 8. Nf3 c5 9. Be2 cxd4 10. Nxd4 Be7
1964 Rubinstein Memorial – Round 15 – Novopashin, Arkady – 1/2-1/2 – Hort, Vlastimil – G47 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. c3 Ngf6 6. Ng5 e6 7. Be3 Bd6 8. Qc2 h6 9. N5f3 Qc7 10. O-O-O b6
1964 WchT U26 11. fin-A – Round 8.4 – Romm, Meir – 1-0 – Sloth, Jorn – G145 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. c4 Ndf6 6. Nc3 g6 7. Nf3 Bg7 8. h3 h5 9. Be2 Nh6 10. Bg5 Bf5
1964 WchT U26 11. qual-B – Round 3.4 – Nemet, Ivan – 1/2-1/2 – Sloth, Jorn – G15 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Qe2 Ndf6 6. Nxf6+ Nxf6 7. Nf3 Bg4 8. c3 Qd5 9. Be3 e6 10. h3 Bxf3
1965 Sinaia stud ol prel – Round 1 – Fritsche, Uta – 1/2-1/2 – Kagan, Shimon – G3 1. e4 c6 2. Nc3 d5 3. d4 dxe4 4. Nxe4 Nd7 5. Qe2 e6 6. Bf4 Ndf6 7. Nf3 Nxe4 8. Qxe4 Nf6 9. Qe5 Nd5 10. Bd2 Qd6
1966 Hoogovens 28th – Round 12 – Cuijpers, Frans Andre – 1/2-1/2 – Filip, Miroslav – G35 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bd3 Ngf6 6. Nxf6+ Nxf6 7. c3 Bg4 8. f3 Bh5 9. Ne2 Bg6 10. Nf4 Bxd3
1967 Moscow – Round 1 – Bronstein, David I – 1/2-1/2 – Petrosian, Tigran A. – G105 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. c3 Ngf6 6. Ng3 e6 7. Nf3 c5 8. Bd3 cxd4 9. Nxd4 Be7 10. O-O Ne5
1968 Bristol ch-BCF – Round 3 – Aabel Thomas Eapen – 1/2-1/2 – Golombek, Harry – G38 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. d5 Ngf6 6. dxc6 Nxe4 7. cxd7+ Bxd7 8. Nf3 e6 9. Bd3 Nc5 10. Be2 Qc7
Amber-rapid 5th 1996 – Round 11 – Polgar, Judit – 1-0 – Karpov, Anatoly – G50 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bd3 Ndf6 6. Nxf6+ Nxf6 7. Nf3 Bg4 8. c3 Qd5 9. Be2 e6 10. h3 Bh5
Optiebeurs 1988 – Round 3 – Van der Wiel, John T.H. – 1/2-1/2 – Karpov, Anatoly – G15 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Bd3 Ndf6 6. Ng5 Bg4 7. N1f3 Bh5 8. c3 e6 9. Qb3 Qc7 10. Ne5 Bd6
Tal Memorial 8th 2013 – Round 7.1 – Carlsen, Magnus – 1/2-1/2 – Morozevich, Alexander – G7 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. c3 Ngf6 6. Nxf6+ Nxf6 7. Bd3 Qd5 8. f3 Bf5 9. Ne2 Bxd3 10. Nf4 Qg5
World Championship FIDE 2005 – Round 1 – Polgar, Judit – 0-1 – Anand, Viswanathan – G1 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bd3 Ngf6 6. Nf3 Nxe4 7. Bxe4 Nf6 8. Bd3 Bg4 9. Be3 e6 10. c3 Bd6

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