E39b — Nimzo-Indian: Classical, Pirc, 6.Bf4

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 O-O 6.Bf4 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité aile_dame (4v2), case forte e4, case forte b5, case forte d6, avant-poste d6(F), Bf4 actif, paire de fous, colonne d.
Faiblesses adverses : arriéré d7, Bc8 enfermé.
Problèmes : roi au centre, Bf1 enfermé, 4 pièces non développées (G1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● e4 — Centre d4+e4, menace e5, libère Bf1
● Nf3 — Développer Ng1
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité centre (2v1), Bb4 actif, paire de fous, colonne c.
Faiblesses adverses : Bf1 enfermé, roi blanc au centre, pawn c5 en prise.
Problèmes : Bc8 enfermé, arriéré d7, 3 pièces non développées (B8, C8, A8).
Plans :
● ...d6 — Libérer Bc8
● ...Nc6 — Développer Nb8
● ...d5 — Rupture
● ...e5 — Rupture
● ...Rc — Tour sur colonne c

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

E39b — Classical Pirc

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 c5 5.dxc5 O-O 6.Bf4

Eval: [+0.15]

Les coups candidats

6…Bxc5 — 47.9% (159 parties)

Ambassadeurs : Euwe, Max (5x), Forintos, Gyozo V (5x), Taimanov, Mark (5x), Whiteley, Andrew Jonathan (4x), Gerusel, Mathias (4x), Wise, Thomas H (3x), Toth, Bela (3x), Koskela, Niina (3x)

6…Na6 — 45.8% (152 parties)

Ambassadeurs : Gerusel, Mathias (8x), Tatai, Stefano (5x), Toth, Bela (4x), Bagirov, Vladimir (4x), Ivkov, Borislav (3x), Paulsen, Dirk (3x), Gipslis, Aivars (3x), Ungureanu, Emil (2x)

6…Qa5 — 5.1% (17 parties)

Ambassadeurs : Starck, Bodo (1x), Liebert, Heinz (1x), Llorens Rubio, Joan (1x), Sanguinetti, Ricardo (1x), Whiteley, Andrew J (1x), Haugaard Nielsen, Johannes (1x), Marovic, Drazen (1x), Kluger, Gyula (1x)

6…Bxc3+ — 0.6% (2 parties)

Ambassadeurs : Matrens (1x), Hoerberg (1x), Schiffer, Karl-Josef (1x), Kleinwaechter, Matthias (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6…Bxc5	6…Na6	6…Qa5	6…Bxc3+
<1800	2	50%	50%	—	—
1800-2200	38	50%	47%	3%	—
2200-2600	107	37%	56%	6%	1%
2600+	6	50%	33%	17%	—

Évolution par décennie (% des parties)

Décennie	N parties	6…Bxc5	6…Na6	6…Qa5	6…Bxc3+
1950s	19	89%	5%	5%	—
1960s	45	69%	18%	11%	2%
1970s	79	48%	47%	3%	1%
1980s	50	30%	68%	2%	—
1990s	73	42%	53%	3%	—
2000s	43	40%	51%	9%	—
2010s	18	33%	56%	11%	—
2020s	5	80%	20%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6…Bxc5	33%	80%	▲ +46.7%
6…Na6	56%	20%	▼ -35.6%
6…Qa5	11%	0%	▼ -11.1%
6…Bxc3+	0%	0%	+0.0%

Joueurs célèbres

Champions du monde dans cette position

Euwe, Max — 5 parties
Smyslov, Vladimir — 1 partie
Tal, Mikhail — 1 partie
Karpov, Anatoly — 1 partie

Parties historiques

6…Bxc5 — 47.9% (159 parties)

1953 — Euwe, Max vs Taimanov, Mark — 1/2-1/2 — Zurich SUI
1953 — Euwe, Max vs Taimanov, Mark — 1/2-1/2 — Zurich SUI
1954 — Euwe, Max vs Kupper, Josef — 1/2-1/2 — Zurich SUI
1954 — Andersen, Baltser vs Fuderer, Andrija — 0-1 — Amsterdam NED
1955 — Kahn, Manfred vs Fuchs, Reinhart — 1/2-1/2 — Zwickau

6…Na6 — 45.8% (152 parties)

1959 — Hollis, Adrian vs Mothersill, Anne — 1-0 — Bognor Regis
1965 — Ungureanu, Emil vs Voiculescu, Paul — 0-1 — Bucharest ROU
1966 — Clement, Paul vs Cijfers, R — 1-0 — Belgium ch 6566
1966 — Liptay, Laszlo Dr. vs Kluger, Gyula — 1/2-1/2 — Budapest HUN
1966 — Larsen, Benjamin Holsko vs Johansson Rexner, Melker — 0-1 — Stockholm SWE

6…Qa5 — 5.1% (17 parties)

1955 — Muhring, Willem Jan vs Pines, Moshe — 1-0 — Johannesburg Public Library
1962 — Llorens Rubio, Joan vs Sanguinetti, Ricardo — 1-0 — corr ol4
1964 — Starck, Bodo vs Liebert, Heinz — 1/2-1/2 — Magdeburg GER
1965 — Marovic, Drazen vs Kluger, Gyula — 1/2-1/2 — Hamburg etc
1967 — Whiteley, Andrew J vs Haugaard Nielsen, Johannes — 1-0 — Harrachov

6…Bxc3+ — 0.6% (2 parties)

1967 — Matrens vs Hoerberg — 1-0 — Sweden ch
1974 — Schiffer, Karl-Josef vs Kleinwaechter, Matthias — 0-1 — FRG-Cup [Meyer,H

	♔ Blancs	♚ Noirs
Pions doublés	● c4, ● c5	—
Pions isolés	—	—
Arriérés	—	● d7
Chaînes	—	● d7→e6, f7→e6
Passés	—	—
Majorité	● aile_dame 4v2	● centre 2v1

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e4 (2v1), ● b5 (2v0), ● d6 (2v0)	—
Cases faibles	—	—
Centre	● e4 (2v1), ● e5 (1v0)	—

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bf1	● Bf1 Non développé (mob. 0)
Bf4	● Bf4 Actif (mob. 10)
Bb4		● Bb4 Actif (mob. 4)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Clouages	● knight c3	—
Non développées	4 (g1, f1, a1, h1)	3 (b8, c8, a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Au centre !	● Roqué
Droits de roque	O-O / O-O-O	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● e2-e3, ● f2-f3	● …d7-d6, ● …d7-d5, ● …e6-e5

Partie
1954 Olympiad prel III – Round 1 – Andersen, Baltser – 0-1 – Fuderer, Andrija – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Bf4 Bxc5 7. e3 Nc6 8. Nf3 b6 9. a3 Bb7 10. Bd3 h6
1955 DDR Ch 06th – Round 9 – Kahn, Manfred – 1/2-1/2 – Fuchs, Reinhart – G41 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Bf4 Bxc5 7. Nf3 Nc6 8. e3 d5 9. Be2 Nb4 10. Qd2 dxc4
1955 Johannesburg – Round 5 – Euwe, Max – 1-0 – Wolpert, Jack – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Bf4 Bxc5 7. e3 Nc6 8. Nf3 Qa5 9. a3 Be7 10. Rd1 d5
1956 New York Rosenwald – Round ? – Turner, Abe J – 0-1 – Reshevsky, Samuel – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Bf4 Bxc5 7. e3 Nh5 8. Bg3 Nc6 9. Be2 Nxg3 10. hxg3 h6
1958 Argentina – Round 15 – Shocron, Ruben – 1/2-1/2 – Bolbochan, J. – G116 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Bf4 Bxc5 7. Nf3 Nc6 8. e3 b6 9. Rd1 Bb7 10. Be2 Rc8
1958 Argentina – Round 8 – Panno, Oscar – 1/2-1/2 – Wexler, Bernardo – G63 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Bf4 Bxc5 7. Nf3 Nc6 8. e3 b6 9. Be2 Bb7 10. O-O d5
1959 Stevenson Memorial – Round 2 – Hollis, Adrian – 1-0 – Mothersill, Anne – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Bf4 Na6 7. Bd6 Re8 8. a3 Bxc5 9. Bxc5 Nxc5 10. b4 Na6
1962 Appleby-Frodingham – Round 2 – Wood, Baruch – 0-1 – Haygarth, Michael J – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Bf4 Bxc5 7. Nf3 Nc6 8. e3 b6 9. a3 Bb7 10. Be2 Rc8
1962 Hungary – Round 12 – Forintos, Gyozo V – 0-1 – Kluger, Gyula – G90 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Bf4 Bxc5 7. e3 Nh5 8. Bxb8 Rxb8 9. Bd3 Nf6 10. Nf3 d5
1963 Bath ch-BCF – Round 11 – Hollis, Adrian – 0-1 – Littlewood, John E – G89 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Bf4 Bxc5 7. Nf3 Nc6 8. e3 b6 9. Be2 Bb7 10. O-O Rc8
1963 Leningrad ch-URS – Round 1 – Taimanov, Mark E – 1/2-1/2 – Gipslis, Aivars – G44 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Bf4 Bxc5 7. Nf3 Nc6 8. e3 b6 9. Be2 Bb7 10. O-O d5
1964 FRG Ch qual 9th – Round 1 – Gerusel, Mathias – 1-0 – Weise, Dieter – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Bf4 Bxc5 7. e3 Nc6 8. Nf3 d5 9. Rd1 Qe7 10. a3 Rd8
1964 Magdeburg – Round 12 – Starck, Bodo – 1/2-1/2 – Liebert, Heinz – G44 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Bf4 Qa5 7. e3 Na6 8. Bd6 Re8 9. Ne2 Bxc5 10. Bxc5 Qxc5
1964 Tel Aviv olm prel – Round 2 – Pomar Salamanca, Arturo – 1-0 – Letelier Martner, Rene – G55 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Bf4 Bxc5 7. Nf3 b6 8. g3 Bb7 9. Bg2 Nc6 10. O-O d5
1965 BRA Ch 32th – Round 11 – Peixoto Carlos – 1-0 – Rocha, Antonio – G35 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Bf4 Bxc5 7. Nf3 Nc6 8. e3 b6 9. Be2 Bb7 10. O-O Rc8
1965 Hamburg etc – Round 6 – Marovic, Drazen – 1/2-1/2 – Kluger, Gyula – G102 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Bf4 Qa5 7. Nf3 Na6 8. Bd2 Nxc5 9. a3 b6 10. Nd4 Bxc3
1966 Budapest – Round 1 – Liptay, Laszlo Dr. – 1/2-1/2 – Bilek, Istvan – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Bf4 Bxc5 7. e3 Nh5 8. Bg3 f5 9. Be2 Nxg3 10. hxg3 h6
1966 Budapest – Round 1 – Liptay, Laszlo Dr. – 1/2-1/2 – Kluger, Gyula – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Bf4 Na6 7. a3 Bxc3+ 8. Qxc3 Ne4 9. Qd4 Naxc5 10. b4 Nb3
1966 Clare Benedict Cup 13th – Round 5 – Gerusel, Mathias – 1-0 – Struner Philipp – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Bf4 Bxc5 7. e3 b6 8. Nf3 Bb7 9. Be2 Nh5 10. Ng5 Nf6
1966 Stockholm jub 6667 – Round 3 – Larsen, Benjamin Holsko – 0-1 – Johansson Rexner, Melker – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Bf4 Na6 7. Bd6 Re8 8. a3 Bxc3+ 9. Qxc3 Ne4 10. Qd4 Qa5+
1966 Stockholm jub 6667 – Round 7 – Larsen, Bent – 1-0 – Skold, Kristian – G23 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Bf4 Bxc5 7. e3 Nc6 8. Nf3 Qe7 9. Bg5 h6 10. Bh4 Bb4
1967 HUN Ch Budapest HUN – Round 18 – Forintos, Gyozo V – 1/2-1/2 – Csom, Istvan – G65 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Bf4 Qa5 7. e3 Na6 8. Ne2 Nxc5 9. a3 Nce4 10. Rc1 Bxc3+
1967 Palma de Majorca ESP – Round 5 – Lehmann, Heinz – 0-1 – Ivkov, Borislav – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Bf4 Na6 7. Nf3 Nxc5 8. a3 Bxc3+ 9. Qxc3 Nce4 10. Qc2 b6
1968 Alma Ata ch-URS – Round 14 – Bagirov, Vladimir – 1/2-1/2 – Averbakh, Yuri L – G125 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Bf4 Na6 7. a3 Bxc3+ 8. Qxc3 Ne4 9. Qd4 Nexc5 10. Rd1 Nb3
1968 Malaga – Round 4 – Marovic, Drazen – 1/2-1/2 – Ivkov, Borislav – G13 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Bf4 Na6 7. a3 Bxc3+ 8. Qxc3 Nxc5 9. f3 d5 10. e3 dxc4
1969 Monte Carlo-B – Round 10 – Gerusel, Mathias – 0-1 – Tatai, Stefano – G45 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Bf4 Na6 7. a3 Bxc3+ 8. Qxc3 Nxc5 9. f3 d5 10. Rd1 Bd7
1969 Rhyl ch-BCF – Round 6 – Clarke, Paul R H – 1/2-1/2 – Lees, David – G47 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Bf4 Bxc5 7. e3 d5 8. Rd1 Nc6 9. Nf3 Qe7 10. a3 Rd8
1969 Vidmar Memorial – Round 12 – Forintos, Gyozo V – 0-1 – Unzicker, Wolfgang – G37 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Bf4 Bxc5 7. e3 Nc6 8. Nf3 b6 9. Rd1 Bb7 10. Be2 Rc8
Interpolis 1981 – Round 1 – Huebner, Robert – 1/2-1/2 – Miles, Anthony J – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Bf4 Bxc5 7. Nf3 b6 8. e3 Bb7 9. a3 Be7 10. Rd1 a6
Interpolis 1990 – Round 7 – Gelfand, Boris – 1-0 – Andersson, Ulf 1949 – G20 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Bf4 Bxc5 7. Nf3 Nc6 8. a3 Nh5 9. Bg3 f5 10. e4 g6
Petropolis Interzonal 1973 – Round 7 – Hort, Vlastimil – 0-1 – Ivkov, Borislav – G26 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Bf4 Na6 7. a3 Bxc3+ 8. Qxc3 Nxc5 9. Rd1 d5 10. f3 Bd7
Wch candidates reserve 1983 – Round 1 – Tal, Mikhail – 1-0 – Andersson, Ulf 1949 – G1 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O 6. Bf4 Na6 7. Bd6 Re8 8. a3 Qa5 9. Rc1 Bxc3+ 10. Qxc3 Qxc3+

Fin du contenu

Aucune page supplémentaire à charger

Articles plus anciens →