B17q — Caro-Kann: Steinitz, 5.Bc4 Ngf6

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7 5.Bc4 Ngf6 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Attaque sur le roi adverse resté au centre.

Atouts. Les Blancs s'appuient sur les cases fortes c5 et g5, un fou actif en c4, la paire de fous et la colonne semi-ouverte e.

Côté adverse. Les fous enfermés en c8 et f8 et le roi resté au centre.

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

Plans. Nf3 (Développer Ng1) ; Bg5 (Clouer Nf6).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Attaque sur le roi adverse resté au centre.

Atouts. Les Noirs s'appuient sur la case forte d5, un avant-poste en d5, la paire de fous et la colonne semi-ouverte d.

Côté adverse. Le fou enfermé en c1, le roi resté au centre et une pièce en prise (le cavalier en e4).

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

Plans. ...c5 (Rupture) ; ...e6 (Rupture) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

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

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● c5 (2v1), ● g5 (2v0)	● d5 (2v1)
Cases faibles	—	—
Centre	● d4 (1v0)	● d5 (2v1), ● e4 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● e	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bc4	● Bc4 Actif (mob. 9)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	4 (● g1, ● c1, ● a1, ● h1)	4 (● 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

Partie
1933 Trebitsch Memorial 16th – Round 13 – ? – 1-0 – Hoenlinger, Baldur – G59 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Qf3 e6 7. Ng3 Bd6 8. N1e2 O-O 9. O-O Qc7 10. Qb3 b5
1949 Trencianske Teplice – Round 12 – Wade, Robert G – 1/2-1/2 – Richter, Edgar – G72 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. c3 Qc7 8. Qb3 e6 9. Nf3 Bd6 10. O-O h6
1949 Trencianske Teplice – Round 9 – Rossolimo, Nicolas – 0-1 – Richter, Edgar – G53 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. c3 Qc7 8. Ne2 e6 9. Bf4 Bd6 10. Bxd6 Qxd6
1961 Chigorin Memorial – Round 10 – Garcia Gonzales, Guillermo – 1/2-1/2 – Zaitsev, Alexander – G16 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. c3 g6 8. Bf4 Bg7 9. Be5 O-O 10. Ne2 a5
1961 Chigorin Memorial – Round 12 – Kotkov, Yuri – 1/2-1/2 – Zaitsev, Alexander – G20 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. c3 g6 8. Nf3 Bg7 9. O-O O-O 10. Re1 a5
1964 Budapest HUN – Round 1 – Besztercsenyi, Tibor – 0-1 – Navarovszky, Laszlo – G15 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Ng3 e6 7. Nf3 Qc7 8. O-O Bd6 9. Qe2 O-O 10. b3 Nd5
1964 Hastings6465 – Round 9 – Keres, Paul Petrovich – 1-0 – Pfleger, Helmut, Dr. – G42 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. c3 Bf5 8. Qb3 Nd5 9. Qxb7 Nb6 10. Nf3 f6
1965 Chigorin Memorial – Round 14 – Ujtumen, Tudev – 0-1 – Ilivitsky, Georgy A – G72 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. c3 e6 8. Nf3 Be7 9. Qe2 O-O 10. O-O c5
1965 Hamburg etc – Round 6 – Stanciu, Teodora-Elena – 1-0 – Kramer, Hanspeter – G74 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. c3 e6 8. Nf3 Bd6 9. Bg5 O-O 10. O-O b5
1965 Hastings ENG – Round 5 – Hartston, William R – 0-1 – Pfleger, Helmut, Dr. – G7 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. c3 g6 8. Nf3 Bg7 9. O-O O-O 10. Bf4 Nd5
1965 Hastings6566 – Round 5 – Hartston, William R – 0-1 – Pfleger, Helmut, Dr. – G23 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. c3 g6 8. Nf3 Bg7 9. O-O O-O 10. Bf4 Nd5
1965 IBM I – Round 9 – Filip, Marius Liviu – 1/2-1/2 – Trifunovic, Petar – G12 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. c3 b5 8. Be2 e6 9. Nf3 Bb7 10. O-O Be7
1965 Leipzig Inter 1st – Round 15 – Hennings, Artur – 1/2-1/2 – Trifunovic, Petar – G22 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. c3 Qc7 8. Nf3 Bg4 9. Qb3 e6 10. Ne5 Bd6
1965 Sinaia stud ol final – Round 9 – Mnatsakanian, Eduard A – 1/2-1/2 – Bleiman, Yaacov – G37 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. c3 e6 8. Nf3 Be7 9. O-O O-O 10. Qe2 c5
1965 Tallinn ch-URS – Round 1 – Stein, Leon Rico – 1-0 – Vasiukov, Evgeni – G111 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. c3 e6 8. Nf3 Be7 9. O-O O-O 10. Qe2 b5
1965 Yerevan – Round 2 – Stein, Leonid – 1/2-1/2 – Filip, Miroslav – G13 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. c3 Qc7 8. Nf3 Bg4 9. h3 Bh5 10. g4 Bg6
1966 CSR Ch Int 1st – Round 4 – Jimenez Zerquera, Eleazar – 1/2-1/2 – Filip, Miroslav – G21 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. c3 Qc7 8. Nf3 Bg4 9. h3 Bh5 10. g4 Bg6
1966 La Habana olm fin-A – Round 10 – Gheorghiu, Florin – 1/2-1/2 – Pachman, Ludek – G192 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. c3 Qc7 8. Nf3 Bg4 9. h3 Bxf3 10. Qxf3 e6
1966 La Habana olm fin-B – Round 11 – Bednarski, Jacek – 1-0 – Ducic, Bogdan – G172 1. e4 c6 2. Nc3 d5 3. d4 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. c3 e6 8. Nf3 Qc7 9. O-O Bd6 10. Bg5 Bd7
1967 Capablanca Memorial – Round 16 – Jimenez Zerquera, Eleazar – 1/2-1/2 – Barcza, Gedeon – G144 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. c3 Ne4 8. Bf4 Nd6 9. Bb3 Bf5 10. Nf3 e6
1967 Havana Armies Ch 4th – Round 5 – Ujtumen, Tudev – 1-0 – Vadasz, Laszlo – G28 1. e4 c6 2. Nc3 d5 3. d4 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. c3 e6 8. Nf3 Be7 9. O-O O-O 10. Qe2 b6
1967 Mar del Plata Open – Round 8 – Alvarez De Luna, Jose Cristhian – 1/2-1/2 – Luckis, Marcos – G28 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. c3 Qc7 8. Nf3 Bg4 9. h3 Bh5 10. g4 Bg6
1967 Moscow – Round 1 – Keres, Paul Petrovich – 1/2-1/2 – Petrosian, Tigran V – G103 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. c3 Qc7 8. Ne2 e6 9. Bf4 Bd6 10. Bxd6 Qxd6
1967 Palma de Mallorca – Round 6 – Jimenez Zerquera, Eleazar – 1/2-1/2 – Donner, Jan-Hein – G45 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. c3 g6 8. Nf3 Bg7 9. O-O O-O 10. Ne5 Nd5
1968 Lugano olm - Round 1 - Schmid, Leo - 1/2-1/2 - Filip, Marius Liviu - G227 1. e4 c6 2. Nc3 d5 3. d4 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. c3 Qc7 8. Ne2 e6 9. Bf4 Bd6 10. Bxd6 Qxd6
1969 Budapest ch-HUN – Round 1 – Cs. Kovacs, Laszlo – 1/2-1/2 – Barcza, Gedeon – G76 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. c3 Qc7 8. Ne2 e6 9. Bf4 Bd6 10. Bxd6 Qxd6
1969 Hoogovens – Round 8 – Olafsson, Fridrik – 1-0 – Donner, Jan-Hein – G64 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. c3 Ne4 8. Bf4 Nd6 9. Bb3 Bf5 10. Nf3 e6
1969 Moskou ch-URS – Round 1 – Zhukhovitsky, Samuel – 0-1 – Smyslov, Vladimir – G142 1. e4 c6 2. Nc3 d5 3. d4 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. c3 e6 8. Nf3 Be7 9. O-O b5 10. Bd3 Bb7
1969 Stary Smokovec – Round 9.4 – Cibulka, Vladimir – 1/2-1/2 – Kozma, Julius – G37 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. c3 Qc7 8. Nf3 Bf5 9. O-O e6 10. Qe2 Bd6
1969 Vidmar Memorial – Round 12 – Cortes Gheorghiu, Christian – 1/2-1/2 – Barcza, Gedeon – G39 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. c3 Qc7 8. Nf3 Bf5 9. O-O e6 10. Re1 Bd6
Antalya TUR, World Teams Championship 2013 – Round 7.5 – Safarli, Eltaj – 1/2-1/2 – Ding, Liren – G57 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. c3 g6 8. Nf3 Bg7 9. O-O O-O 10. h3 b5
FIDE-Wch k.o. 1997 – Round 6.7 – Short, Nigel D – 0-1 – Adams, Michael – G184 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. c3 Qc7 8. h3 Bf5 9. Nf3 e6 10. O-O Bd6
Madrid 1996 – Round 2 – Morozevich, Alexander – 1/2-1/2 – Adams, Michael – G7 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. c3 Qc7 8. Ne2 e6 9. Qd3 b6 10. Bf4 Bd6
Moscow Interzonal 1982 – Round 3 – Geller, Efim P – 1/2-1/2 – Tal, Mikhail – G13 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. c3 Qc7 8. Ne2 e6 9. Bf4 Bd6 10. Bxd6 Qxd6
Vugar Gashimov Mem 2015 – Round 6.4 – Mamedov, Rauf – 1/2-1/2 – Anand, Viswanathan – G28 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Nxf6+ Nxf6 7. c3 Qc7 8. Nf3 Bg4 9. h3 Bxf3 10. Qxf3 e6

B17q — Steinitz

1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Nd7 5.Bc4 Ngf6

Les coups candidats

6.Ng5 — 78.2% (5451 parties) →

Ambassadeurs : Meduna, Eduard (47x), Speelman, Jon S (35x), Arkell, Keith C (32x), Eperjesi, Laszlo Dr. (27x), Jordaan, Wayne (26x), Spiridonov, Nikola (25x), Kovacs, Arthur Dr. (21x), Adorjan, Andras (17x)

6.Nxf6+ — 16.4% (1144 parties)

Ambassadeurs : Meduna, Eduard (10x), Speelman, Jon S (10x), Westerinen, Heikki M.J. (9x), ? (8x), Saltaev, Mihail (8x), Pfleger, Helmut, Dr. (7x), Starace, Umberto (7x), Geller, Efim P. (6x)

6.Ng3 — 3.3% (229 parties)

Ambassadeurs : Dlugy, Maxim (2x), Danzer, George (2x), Petrenko, Svetlana (2x), Philippe, Denis-Emmanuel (2x), Prohaszka, Peter (2x), Krizek, Frantisek (2x), Bermudez Adams, William (1x), Blackstone, John (1x)

6.Qe2 — 0.8% (57 parties)

Ambassadeurs : Judd, Olen (1x), de Wall, Robert (1x), Schermann (1x), Koskinen, Heikki (1x), Jankowski, Filip (1x), Farag Nagwa M (1x), Kundig, Oskar (1x), Lechenbauer, Karl (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6.Ng5	6.Nxf6+	6.Ng3	6.Qe2
<1800	192	70%	16%	6%	2%
1800-2200	2113	80%	13%	5%	1%
2200-2600	2316	79%	20%	1%	0%
2600+	112	81%	19%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	6.Ng5	6.Nxf6+	6.Ng3	6.Qe2
1930s	1	—	—	—	—
1940s	6	50%	33%	—	—
1950s	29	90%	10%	—	—
1960s	304	79%	18%	2%	—
1970s	400	86%	12%	2%	0%
1980s	823	80%	16%	2%	1%
1990s	2180	78%	18%	3%	1%
2000s	2011	79%	15%	4%	1%
2010s	1129	74%	18%	5%	1%
2020s	88	72%	20%	2%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6.Ng5	74%	72%	▼ -2.2%
6.Nxf6+	18%	20%	▲ +2.7%
6.Ng3	5%	2%	▼ -3.0%
6.Qe2	1%	1%	+0.1%

Joueurs célèbres

Champions du monde dans cette position

Smyslov, Vladimir — 10 parties
Tal, Mikhail — 10 parties
Karpov, Anatoly — 10 parties
Anand, Viswanathan — 10 parties
Karpov, Aleksandr — 10 parties
Kasparov, Garry — 4 parties
Ding, Liren — 1 partie

Parties historiques

6.Ng5 — 78.2% (5451 parties)

1947 — Trajkovic, Aleksandar vs Bencic Petrovic, Grgur — 1-0 — Yugoslavia
1949 — Fuderer, Andrija vs Matanovic, Aleksandar — 1/2-1/2 — Zagreb ch YUG
1949 — Habermann, Ewald vs Zemgalis, Elmars — 0-1 — Ruit
1954 — Dolinar Novak, Barbara vs Kausek — 1-0 — Prague CZE
1955 — Schmid, Leo vs Hoenlinger, Baldur — 1-0 — Hoechst ch-GER

6.Nxf6+ — 16.4% (1144 parties)

1949 — Rossolimo, Nicolas vs Richter, Edgar — 0-1 — Trencianske Teplice SVK
1949 — Wade, Robert G vs Richter, Edgar — 1/2-1/2 — Trencianske Teplice SVK
1952 — Gusev, Yuri vs Flohr, Salo — 0-1 — Moscow RUS
1956 — Cucka, Josef vs Betak Miroslav — 1-0 — Chomutov
1959 — Barry Bertomeu, Enrique vs Hirons — 0-1 — Providence, RI USA

6.Ng3 — 3.3% (229 parties)

1962 — Bermudez Adams, William vs Blackstone, John — 0-1 — San Jose, CA USA
1964 — Besztercsenyi, Tibor vs Navarovszky, Laszlo — 0-1 — Budapest HUN
1965 — Suchanek, Ladislav vs Volf, Jaroslav — 1-0 — CSR-ch Army Prague CZE
1967 — Andries, G. vs Mauquoy, P. — 0-1 — corr ch-BEL
1967 — Kabat Emil vs Nemec, Tadeus — 0-1 — Stary Smokovec SVK

6.Qe2 — 0.8% (57 parties)

1970 — Schermann vs Koskinen, Heikki — 0-1 — Siegen GER
1980 — Judd, Olen vs de Wall, Robert — 0-1 — Dayton, OH USA
1982 — Jankowski, Filip vs Farag Nagwa M — 0-1 — Lucerne SUI
1984 — Piegenschke, Michael vs Lehmann, Klaus — 1/2-1/2 — GER
1988 — Salomon Cortorreal, Jose Chajil vs Dimitriadi, Aspasia — 1/2-1/2 — Thessaloniki GRE

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