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

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. O-O (Mettre le roi en sécurité, connecter les tours) ; Nf3 (Développer Ng1) ; Bg5 (Clouer Nf6) ; Tour sur colonne e.

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

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. O-O (Mettre le roi en sécurité, connecter les tours) ; ...Bf5 (Développer Bc8) ; ...Bd6 (Développer Bf8) ; ...c5 (Rupture) ; ...e6 (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

Eval: [+0.15]

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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