A85n — Dutch: 2.c4 Nf6 3.Nc3 e6 4.e3 Bb4

1.d4 f5 2.c4 Nf6 3.Nc3 e6 4.e3 Bb4 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte d4, case forte b5, paire de fous.
Faiblesses adverses : Bc8 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
● Bd2 — Développer Bc1
● Bd3 — Développer Bf1

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte e4, case forte g4, avant-poste e4(C), Bb4 actif, paire de fous.
Faiblesses adverses : Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, 4 pièces non développées (B8, C8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...d6 — Libérer Bc8
● ...Nc6 — Développer Nb8
● ...c5 — Rupture
● ...d5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

A85n —

1.d4 f5 2.c4 Nf6 3.Nc3 e6 4.e3 Bb4

Eval: [+0.44]

Les coups candidats

5.Bd3 — 43.6% (247 parties)

Ambassadeurs : Steinitz, Wilhelm (5x), Taimanov, Mark (4x), Inkiov, Ventzislav (4x), Agnivesh Albin (3x), Tartakower, Savielly (3x), Wiedenkeller, Michael (3x), Knaak, Rainer (3x), Karlsson, Lars 1937 (3x)

5.Bd2 — 23.5% (133 parties)

Ambassadeurs : Korchnoi, Viktor (4x), Just, Gabriele, Dr. (4x), Anderssen, Adolf (3x), Bohm, Hans (3x), Gelpke, Peter (3x), Bird, Henry (2x), Tartakower, Savielly (2x), Euwe, Max (2x)

5.Ne2 — 13.4% (76 parties)

Ambassadeurs : Epishin, Vladimir (10x), Narciso Dublan, Marc (3x), Dolmatov, Sergey (2x), Kritz, Leonid (2x), Karlsson, Lars 1937 (2x), Dreev, Aleksey (2x), Larsen, Benjamin Holsko (1x), Johannessen, Svein (1x)

5.Qc2 — 12.7% (72 parties)

Ambassadeurs : Taimanov, Mark (7x), Neurohr, Juergen (3x), Larsen, Bent (2x), Inkiov, Ventzislav (2x), Bogdanovski, Vlatko (2x), Sofrevski, Jovan (2x), Repplinger, Marc (2x), Kopylov, Igor (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5.Bd3	5.Bd2	5.Ne2	5.Qc2
<1800	10	30%	40%	—	10%
1800-2200	163	42%	24%	12%	13%
2200-2600	224	46%	18%	21%	13%
2600+	5	20%	20%	60%	—

Évolution par décennie (% des parties)

Décennie	N parties	5.Bd3	5.Bd2	5.Ne2	5.Qc2
1840s	2	50%	—	—	—
1850s	3	33%	33%	—	—
1860s	4	—	75%	—	—
1870s	3	33%	67%	—	—
1880s	6	17%	33%	—	—
1890s	13	77%	15%	—	—
1900s	4	50%	25%	—	—
1910s	2	100%	—	—	—
1920s	7	43%	57%	—	—
1930s	1	—	100%	—	—
1940s	3	67%	33%	—	—
1950s	24	46%	12%	—	42%
1960s	19	68%	—	5%	21%
1970s	15	27%	40%	13%	7%
1980s	44	41%	34%	11%	9%
1990s	98	46%	23%	15%	10%
2000s	122	43%	25%	14%	10%
2010s	166	40%	19%	18%	16%
2020s	30	43%	20%	20%	13%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5.Bd3	40%	43%	▲ +3.0%
5.Bd2	19%	20%	▲ +0.7%
5.Ne2	18%	20%	▲ +1.9%
5.Qc2	16%	13%	▼ -2.9%

Joueurs célèbres

Champions du monde dans cette position

Steinitz, Wilhelm — 5 parties
Euwe, Max — 2 parties
Botvinnik, Mikhail — 1 partie
Ju, Wenjun — 1 partie

Parties historiques

5.Bd3 — 43.6% (247 parties)

1846 — Staunton, Howard vs Horwitz, Bernhard — 1-0 — London ENG
1851 — Van t Kruijs vs Heijmans, Stan — 1-0 — Amsterdam NED
1870 — Neumann, Gustav vs Anderssen, Adolf — 1-0 — Baden-Baden GER
1882 — Hruby, Vincenz vs Bird, Henry — 1-0 — Vienna AUT
1893 — MAROCZY, GEZA. vs Csipkes, Arpad — 1-0 — ?

5.Bd2 — 23.5% (133 parties)

1851 — Emma Iniya Williams R vs Staunton, Howard — 1-0 — London ENG
1861 — Maarten van 't Kruijs vs Anderssen, Adolf — 1/2-1/2 — Amsterdam NED
1861 — van't Kruys, Maarten vs Anderssen, Adolf — 1/2-1/2 — Amsterdam NED
1861 — Kruis, Rob vs Anderssen, Adolf — 1/2-1/2 — It Amsterdam NED
1873 — Amsterdam, Amuscka vs The Hague — 1-0 — cr.

5.Ne2 — 13.4% (76 parties)

1960 — Larsen, Benjamin Holsko vs Johannessen, Svein — 1-0 — Zonal A Berg en Dal NED
1976 — Ree, Hans vs Ivkov, Borislav — 1/2-1/2 — Amsterdam NED
1977 — Knezevic, Milorad vs Novoselski, Zoran — 1-0 — Kragujevac SRB
1980 — Lombardy, William J vs Campos Ruiz, Alberto — 1-0 — Mexico City MEX
1982 — Luce, Sebastien vs Nishimura, Hiroyuki — 1-0 — Copenhagen DEN

5.Qc2 — 12.7% (72 parties)

1952 — Taimanov, Mark vs Botvinnik, Mikhail — 1/2-1/2 — Moskou ch-URS plof
1953 — Koblencs, Alexander vs Klasups, Karlis — 1-0 — Riga LAT
1954 — Taimanov, Mark vs Kopylov, Igor — 1-0 — Leningrad RUS
1955 — Taimanov, Mark vs Lisitsin, Georgy — 1/2-1/2 — Moscow RUS
1956 — Nei, Iivo vs Heuer, Valter — 1/2-1/2 — Tartu

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→e3, e3→d4	● e6→f5, d7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (2v0), ● b5 (2v0)	● e4 (2v1), ● g4 (2v1)
Cases faibles	—	—
Centre	● d4 (2v0), ● e5 (1v0)	● e4 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 1)
Bf1	● Bf1 Non développé (mob. 2)
Bb4		● Bb4 Actif (mob. 7)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Clouages	● knight c3	—
Non développées	5 (g1, c1, f1, a1, h1)	4 (b8, c8, 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	● c4-c5, ● d4-d5, ● e3-e4, ● f2-f3	● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …e6-e5, ● …f5-f4

Partie
1905 Barmen-D – Round ? – Schaefer de Eguia, Aik – 0-1 – Tartakower, Savielly – G6 1. d4 f5 2. c4 e6 3. Nc3 Nf6 4. e3 Bb4 5. Bd3 O-O 6. Nf3 d5 7. O-O c6 8. a3 Bd6 9. b4 Ne4 10. Bb2 a6
1907 Ostende II – Round 19 – Cohn, Erich – 0-1 – Van Vliet, Lodewijk – G227 1. d4 f5 2. c4 e6 3. Nc3 Nf6 4. e3 Bb4 5. Bd3 b6 6. Ne2 Bb7 7. O-O O-O 8. f3 Bxc3 9. bxc3 Qe7 10. Qc2 d6
1911 Karlsbad – Round 1 – Salwe, Georg – 0-1 – Tartakower, Savielly – G116 1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. e3 Bb4 5. Bd3 Bxc3+ 6. bxc3 c5 7. Ne2 d6 8. O-O e5 9. Ba3 b6 10. Qb1 g6
1920 Amsterdam – Round 4 – Euwe, Max – 1-0 – Diderich, Johny – G23 1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. e3 Bb4 5. Bd2 Bxc3 6. Bxc3 Ne4 7. Bb4 d6 8. f3 Nf6 9. Bd3 O-O 10. Ne2 Nc6
1920 Amsterdam – Round 4 – Euwe, Max – 1-0 – Marchand, Max – G24 1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. e3 Bb4 5. Bd2 b6 6. Bd3 Bb7 7. f3 c5 8. a3 Bxc3 9. Bxc3 d6 10. Ne2 O-O
1922 Londen – Round 5 – Reti, Richard – 1/2-1/2 – Tartakower, Savielly – G18 1. d4 e6 2. e3 f5 3. c4 Nf6 4. Nc3 Bb4 5. Bd2 O-O 6. Bd3 b6 7. Qc2 Bb7 8. f3 c5 9. a3 cxd4 10. axb4 dxc3
1922 London – Round 3 – Vidmar, Marjeta – 1-0 – Tartakower, Savielly – G7 1. d4 e6 2. c4 f5 3. e3 Nf6 4. Nc3 Bb4 5. Bd2 O-O 6. Nf3 Qe7 7. Bd3 d6 8. Qc2 g6 9. a3 Bxc3 10. Bxc3 Nbd7
1951 Staunton Memorial – Round 14 – Bogoljubow, Efim – 1-0 – Wade, Robert G – G98 1. d4 e6 2. c4 f5 3. Nc3 Bb4 4. e3 Nf6 5. Bd3 b6 6. Ne2 Bb7 7. O-O O-O 8. f3 Nc6 9. a3 Be7 10. b4 Qe8
1953 Bucharest – Round 13 – Spassky, Boris V. – 0-1 – Filip, Marius Liviu – G121 1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. e3 Bb4 5. Bd2 b6 6. Qc2 Bb7 7. f3 O-O 8. Bd3 c5 9. Nge2 Nc6 10. a3 Ba5
1954 Leningrad ch22-SU sf – Round 14 – Taimanov, Mark E – 0-1 – Lisitsin, Georgy – G40 1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. e3 Bb4 5. Bd3 Bxc3+ 6. bxc3 d6 7. Qc2 c5 8. Ne2 Nc6 9. h3 O-O 10. g4 Qe7
1954 URS Ch sf – Round 16 – Taimanov, Mark E – 1-0 – Kopylov, Igor – G7 1. c4 f5 2. Nc3 Nf6 3. d4 e6 4. e3 Bb4 5. Qc2 O-O 6. Bd3 c5 7. a3 Bxc3+ 8. Qxc3 d6 9. Ne2 e5 10. dxe5 dxe5
1955 DDR Ch 06th – Round 6 – Fuchs, Reinhart – 1-0 – Schlieder, Rolf – G28 1. c4 e6 2. d4 f5 3. Nc3 Nf6 4. e3 Bb4 5. Bd2 O-O 6. Bd3 d5 7. Nf3 c6 8. O-O Be7 9. Rb1 Ne4 10. b4 Nd7
1955 Gothenburg Interzonal – Round 10 – Geller, Efim P – 1/2-1/2 – Pachman, Ludek – G86 1. c4 e6 2. d4 Bb4+ 3. Nc3 f5 4. e3 Nf6 5. Bd3 Bxc3+ 6. bxc3 d6 7. Qc2 O-O 8. Ne2 c5 9. O-O Nc6 10. f3 Bd7
1955 URS Ch sf – Round 1 – Taimanov, Mark E – 1/2-1/2 – Lisitsin, Georgy – G12 1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. e3 Bb4 5. Qc2 c5 6. Bd3 Nc6 7. Ne2 O-O 8. a3 Bxc3+ 9. Qxc3 Ne4 10. Bxe4 cxd4
1957 EU Team Ch – Round 6 – Taimanov, Mark E – 1/2-1/2 – Milic, Bozidar – G48 1. c4 f5 2. d4 e6 3. Nc3 Nf6 4. e3 Bb4 5. Bd3 O-O 6. Ne2 b6 7. Bd2 Bb7 8. f3 Nh5 9. O-O c5 10. a3 Bxc3
1957 Sombor – Round 13 – Nedeljkovic, Srecko M – 1/2-1/2 – Tot, Bora – G124 1. c4 f5 2. d4 Nf6 3. Nc3 e6 4. e3 Bb4 5. Qc2 b6 6. a3 Bxc3+ 7. Qxc3 O-O 8. Bd3 Bb7 9. f3 Nh5 10. Nh3 Qh4+
1957 Wageningen zt – Round 15 – Larsen, Benjamin Holsko – 1-0 – Dueckstein, Andreas – G66 1. c4 f5 2. Nc3 Nf6 3. d4 e6 4. e3 Bb4 5. Bd3 b6 6. Ne2 Bb7 7. O-O O-O 8. Qc2 Qe8 9. f3 Qh5 10. Nb5 Na6
1958 HUN Ch Budapest HUN – Round 6 – Sallay, Roland – 0-1 – Haag, Ervin – G28 1. d4 f5 2. c4 Nf6 3. Nc3 e6 4. e3 Bb4 5. Qc2 O-O 6. Bd3 b6 7. Nf3 Bb7 8. Bd2 Bxc3 9. Bxc3 Ne4 10. O-O-O d6
1959 URS Team Ch – Round 1 – Taimanov, Mark E – 1-0 – Uusi, Gunnar – G17 1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. e3 Bb4 5. Qc2 c5 6. Bd3 d6 7. Ne2 Nc6 8. a3 Ba5 9. O-O O-O 10. d5 Ne5
1960 Bariloche – Round 6 – Bielicki, Carlos – 1/2-1/2 – Bianco Esposito, Antonio – G27 1. d4 f5 2. c4 e6 3. Nc3 Nf6 4. e3 Bb4 5. Bd3 O-O 6. Ne2 d6 7. Qc2 c5 8. Bd2 Nc6 9. a3 Ba5 10. O-O Bb6
1961 Budapest ch-HUN – Round 1 – Kluger, Gyula – 1-0 – Navarovszky, Laszlo – G29 1. d4 e6 2. c4 f5 3. Nc3 Bb4 4. e3 Nf6 5. Bd3 b6 6. Ne2 Bb7 7. O-O O-O 8. a3 Bxc3 9. Nxc3 d6 10. f3 Nbd7
1961 Reggio Emilia 6162 – Round ? – Lehmann, Heinz – 1-0 – Canal, Esteban – G3 1. d4 e6 2. c4 Bb4+ 3. Nc3 f5 4. e3 Nf6 5. Bd3 O-O 6. Ne2 c6 7. a3 Be7 8. e4 fxe4 9. Nxe4 d5 10. Nxf6+ Bxf6
1963 Piatigorsky Cup – Round 12 – Najdorf, Miguel – 1-0 – Keres, Paul Petrovich – G24 1. d4 e6 2. c4 Bb4+ 3. Nc3 f5 4. e3 Nf6 5. Bd3 O-O 6. Ne2 d6 7. O-O c5 8. b3 Nc6 9. Bb2 e5 10. dxe5 dxe5
1963 POL Ch 20th – Round 12 – Gadalinski, Jan – 1-0 – Sliwa, Bogdan – G73 1. d4 e6 2. c4 Bb4+ 3. Nc3 f5 4. e3 Nf6 5. Qc2 b6 6. Bd3 Bb7 7. Ne2 Bxg2 8. Rg1 Bb7 9. Rxg7 Ne4 10. Bd2 Qf6
1964 DDR Ch 14. Magdeburg GER – Round 17 – Kuettner, Uwe – 1/2-1/2 – Moehring, Guenther – G12 1. d4 e6 2. c4 Bb4+ 3. Nc3 f5 4. e3 Nf6 5. Bd3 Bxc3+ 6. bxc3 O-O 7. Nf3 b6 8. O-O Bb7 9. Nd2 d6 10. f3 Nbd7
1964 OWL Ch – Round 6 – Gudath, Reiner – 0-1 – Groenegress, Wilfried – G17 1. d4 f5 2. c4 e6 3. Nc3 Nf6 4. e3 Bb4 5. Bd3 b6 6. a3 Bxc3+ 7. bxc3 O-O 8. Nf3 Bb7 9. O-O Ne4 10. Qc2 d6
1967 HUN Ch – Round 8 – Farago, Ivan – 1/2-1/2 – Barcza, Gedeon – G21 1. d4 e6 2. c4 Bb4+ 3. Nc3 f5 4. e3 Nf6 5. Qc2 O-O 6. Bd3 Nc6 7. Bd2 d5 8. cxd5 Nxd5 9. Nf3 Kh8 10. O-O Nde7
1967 October Revolution 50 – Round 1 – Shamkovich, Leonid – 1/2-1/2 – Barcza, Gedeon – G18 1. d4 e6 2. c4 Bb4+ 3. Nc3 f5 4. e3 Nf6 5. Bd3 O-O 6. Ne2 d6 7. Qc2 Nc6 8. Bd2 Qe8 9. O-O Qg6 10. f3 e5
1967 Zinnowitz – Round 1 – Malich, Burkhard, Dr. – 1/2-1/2 – Sliwa, Bogdan – G6 1. d4 e6 2. c4 Bb4+ 3. Nc3 f5 4. e3 Nf6 5. Bd3 Bxc3+ 6. bxc3 b6 7. Nf3 O-O 8. O-O c5 9. Nd2 Nc6 10. Nb3 d6
1968 Budapest – Round 1 – Kluger, Gyula – 1-0 – Kovacs, Gabor – G16 1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. e3 Bb4 5. Bd3 b6 6. Ne2 Bb7 7. O-O O-O 8. a3 Bd6 9. f3 c5 10. d5 Be5
1968 URS Team Ch – Round 1 – Taimanov, Mark E – 1-0 – Karner, Hillar – G42 1. d4 e6 2. c4 Bb4+ 3. Nc3 f5 4. e3 Nf6 5. Bd3 c5 6. Ne2 Nc6 7. Qc2 d6 8. a3 Bxc3+ 9. Qxc3 a5 10. b3 O-O
1969 Budapest ch-HUN – Round 1 – Farago, Ivan – 1-0 – Barcza, Gedeon – G25 1. d4 e6 2. c4 Bb4+ 3. Nc3 f5 4. e3 Nf6 5. Bd3 O-O 6. Qc2 c5 7. Ne2 Nc6 8. O-O d6 9. a3 Bxc3 10. Qxc3 e5
Olympiad 2002 – Round 3 – Aleksandrov, Aleksej – 1-0 – Williams, Leighton – G65 1. d4 e6 2. c4 Bb4+ 3. Nc3 f5 4. e3 Nf6 5. Bd3 O-O 6. Ne2 b6 7. O-O Bb7 8. Qc2 Bd6 9. f4 Na6 10. a3 c5
Reykjavik 1987 – Round ? – Korchnoi, Viktor – 1-0 – Agdestein, Simen – G33 1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. e3 Bb4 5. Bd2 O-O 6. Bd3 Bxc3 7. Bxc3 Ne4 8. Bxe4 fxe4 9. d5 d6 10. dxe6 Bxe6

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