A90n — Dutch: Dutch-Indian, 5.Nc3

1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Bb4+ 5.Nc3 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte f4, case forte b5, Bg2 actif, paire de fous.
Faiblesses adverses : Bc8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, 4 pièces non développées (G1, C1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Nf3 — Développer Ng1
● Bg5 — Clouer Nf6

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte g4, avant-poste g4(C), Bb4 actif, paire de fous.
Faiblesses adverses : Bc1 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

A90n — Dutch-Indian

1.d4 f5 2.c4 Nf6 3.g3 e6 4.Bg2 Bb4+ 5.Nc3

Eval: [+0.36]

Les coups candidats

5…O-O — 78.5% (496 parties)

Ambassadeurs : Choroszej, Aleksander (5x), Alekhine, Alexander (4x), Brodie, Hugh (4x), Kytoniemi, Jyrki (3x), Skalkotas, Nikolaos (3x), Martins, Carlos (3x), Basson, Heinrich (3x), Bekker-Jensen, Simon (3x)

5…Bxc3+ — 13.0% (82 parties)

Ambassadeurs : McKone, Peter (2x), Pareschi, Remo (2x), Schoppmeyer Herbert (1x), Groenegress, Wilfried (1x), Jansa, Vlastimil (1x), Fabian, Jaroslav (1x), Beliavsky, Alexander G (1x), Gulko, Boris (1x)

5…Ne4 — 2.4% (15 parties)

Ambassadeurs : Gudmundsson, Stefan Thormar (1x), Tartakower, Savielly (1x), Kalotay, Andrew (1x), Neff, Phil (1x), Marmoud, Edmond (1x), Bhend, Edwin (1x), Aguilar, Pedro (1x), Hoyt, Walter (1x)

5…c5 — 1.4% (9 parties)

Ambassadeurs : Aguilar Nava, Jesus Alfredo (1x), Fernandez Garcia, Jose Luis(2) (1x), Arbil, Joan (1x), Preuss, David (1x), Lund, Silas Esben (1x), Nilsson, Nils S (1x), Gerasimenyuk, Mikhail (1x), Turkin, Viktor (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5…O-O	5…Bxc3+	5…Ne4	5…c5
<1800	27	59%	22%	4%	—
1800-2200	236	78%	13%	2%	1%
2200-2600	202	80%	14%	1%	2%
2600+	2	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	5…O-O	5…Bxc3+	5…Ne4	5…c5
1890s	1	100%	—	—	—
1910s	1	100%	—	—	—
1920s	2	100%	—	—	—
1930s	9	89%	—	11%	—
1940s	4	100%	—	—	—
1950s	9	67%	11%	11%	—
1960s	17	88%	6%	6%	—
1970s	11	73%	9%	9%	9%
1980s	33	85%	12%	—	—
1990s	117	79%	16%	2%	1%
2000s	152	78%	12%	2%	1%
2010s	218	81%	10%	2%	2%
2020s	58	62%	28%	2%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5…O-O	81%	62%	▼ -19.1%
5…Bxc3+	10%	28%	▲ +18.0%
5…Ne4	2%	2%	▼ -0.6%
5…c5	2%	0%	▼ -2.3%

Joueurs célèbres

Champions du monde dans cette position

Alekhine, Alexander — 4 parties

Parties historiques

5…O-O — 78.5% (496 parties)

1895 — Tinsley, Samuel vs Pollock, William — 1-0 — Hastings ENG
1913 — Duras, Oldrich vs Cohn, Erich — 1/2-1/2 — Berlin-Prague
1922 — Alekhine, Alexander vs BoruchovitzKnappels — 1/2-1/2 — Cercle des Echecs Co
1928 — Carls, Carl vs Rosselli del Turco, Stefano — 1-0 — The Hague NED
1931 — Ruben, Carl vs Lian, Hansen — 1-0 — Prague CZE

5…Bxc3+ — 13.0% (82 parties)

1959 — Jansa, Vlastimil vs Fabian, Jaroslav — 1-0 — Cerveny Kostelec
1964 — Schoppmeyer Herbert vs Groenegress, Wilfried — 0-1 — Bad Oeynhausen GER
1976 — Beliavsky, Alexander G vs Gulko, Boris — 0-1 — Tbilisi GEO
1981 — Halmi, Pentti vs Elfving, Joern — 1-0 — ?
1988 — Appel, Ralf vs Hennig, Dirk, Dr. — 1/2-1/2 — GER

5…Ne4 — 2.4% (15 parties)

1930 — Gudmundsson, Stefan Thormar vs Tartakower, Savielly — 0-1 — Hamburg olm
1953 — Marmoud, Edmond vs Bhend, Edwin — 1-0 — Lucerne SUI
1966 — Kalotay, Andrew vs Neff, Phil — 1-0 — Seattle, WA USA
1976 — Aguilar, Pedro vs Hoyt, Walter — 1-0 — Haifa ISR
1996 — Schroll, Gerhard vs Wach, Markus — 1-0 — Austria

5…c5 — 1.4% (9 parties)

1974 — Aguilar Nava, Jesus Alfredo vs Fernandez Garcia, Jose Luis(2) — 0-1 — Bilbao
1996 — Arbil, Joan vs Preuss, David — 0-1 — Foster City, Cal
2001 — Lund, Silas Esben vs Nilsson, Nils S — 1-0 — Taastrup DEN
2002 — Gerasimenyuk, Mikhail vs Turkin, Viktor — 1/2-1/2 — St Petersburg RUS
2011 — Kerecsenyi, Zoltan vs Owens, Johnny — 0-1 — LSS

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● e6→f5, d7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● b5 (2v0)	● g4 (2v0)
Cases faibles	● e4	—
Centre	● d4 (1v0), ● d5 (3v2), ● e5 (1v0)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Actif (mob. 7)
Bb4		● Bb4 Actif (mob. 7)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Clouages	● knight c3	—
Non développées	4 (g1, c1, 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, ● e2-e3, ● f2-f3	● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …e6-e5, ● …f5-f4

Partie
1930 Hamburg olm – Round 1 – Gudmundsson, Stefan Thormar – 0-1 – Tartakower, Savielly – G1 1. c4 e6 2. Nc3 f5 3. d4 Nf6 4. g3 Bb4 5. Bg2 Ne4 6. Qc2 d5 7. Nh3 Nc6 8. e3 O-O 9. O-O Rf7 10. Nxe4 fxe4
1935 Warsaw olm – Round 12 – Batista Grau, Ricardo – 1/2-1/2 – Alekhine, Alexander – G43 1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. g3 Bb4 5. Bg2 O-O 6. Nh3 d5 7. O-O c6 8. Qb3 Na6 9. Nf4 Bd6 10. Nd3 Nc7
1936 Podebrady – Round 1 – Alekhine, Alexander – 1/2-1/2 – Petrov, Vladimir (ENG) – G5 1. d4 e6 2. c4 Bb4+ 3. Nc3 f5 4. g3 Nf6 5. Bg2 O-O 6. Qb3 Qe7 7. Nf3 Bxc3+ 8. Qxc3 d6 9. O-O Nbd7 10. b3 e5
1936 Podebrady – Round 17 – Alekhine, Alexander – 1/2-1/2 – Petrov, Vladimirs – G53 1. d4 e6 2. c4 Bb4+ 3. Nc3 f5 4. g3 Nf6 5. Bg2 O-O 6. Qb3 Qe7 7. Nf3 Bxc3+ 8. Qxc3 d6 9. O-O Nbd7 10. b3 e5
1937 Kemeri – Round 7 – Petrov, Vladimir S. – 1/2-1/2 – Keres, Paul – G123 1. d4 f5 2. c4 e6 3. g3 Nf6 4. Bg2 Bb4+ 5. Nc3 O-O 6. Nh3 c5 7. a3 Ba5 8. O-O cxd4 9. Nb5 d5 10. b4 Bb6
1938 URS Ch, semi final – Round 10 – Dubinin, Peter – 0-1 – Chistiakov, Alexander – G59 1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. g3 Bb4 5. Bg2 O-O 6. Nf3 Ne4 7. Qc2 d6 8. O-O Bxc3 9. bxc3 Qe8 10. Rb1 Nc6
1952 Buenos Aires – Round 1 – Alonso-Lej De Las Casas, Fernando – 0-1 – Benko, Francisco – G7 1. d4 e6 2. c4 Bb4+ 3. Nc3 f5 4. g3 Nf6 5. Bg2 O-O 6. Qb3 c5 7. a3 Ba5 8. dxc5 Na6 9. Qc2 Bxc3+ 10. Qxc3 Nxc5
1956 Santa Fe – Round 5 – Espinosa Flores, Rafael Emilio – 1/2-1/2 – Pelikán, Jiří – G15 1. d4 f5 2. c4 Nf6 3. Nc3 e6 4. g3 Bb4 5. Bg2 O-O 6. Nf3 Ne4 7. Bd2 Bxc3 8. bxc3 d6 9. O-O Qe7 10. Qc2 Nd7
1958 GBR Ch 45th – Round 9.4 – Gibbs, Peter Campbell – 0-1 – Fuller, John Arthur – G63 1. d4 f5 2. c4 e6 3. g3 Nf6 4. Bg2 Bb4+ 5. Nc3 O-O 6. Nf3 d6 7. O-O Bxc3 8. bxc3 Ne4 9. Qc2 Nd7 10. Ne1 Nef6
1958 Sofia – Round 2 – Minev, Nikolay N – 1/2-1/2 – Gurgenidze, Bukhuti – G20 1. c4 f5 2. d4 Nf6 3. Nc3 e6 4. g3 Bb4 5. Bg2 O-O 6. Nf3 d6 7. Qb3 Bxc3+ 8. Qxc3 Ne4 9. Qc2 Qf6 10. O-O e5
1959 Cerveny Kostelec – Round 5 – Jansa, Vlastimil – 1-0 – Fabian, Jaroslav – G8 1. d4 e6 2. c4 Bb4+ 3. Nc3 f5 4. g3 Nf6 5. Bg2 Bxc3+ 6. bxc3 O-O 7. Nf3 Ne4 8. Qc2 d6 9. O-O Nc6 10. d5 Na5
1960 URS Ch sf – Round 9 – Movshovich A – 1/2-1/2 – Tolush, Alexander V – G69 1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. g3 Bb4 5. Bg2 O-O 6. Nf3 Bxc3+ 7. bxc3 d6 8. Qb3 Nc6 9. O-O Na5 10. Qa4 b6
1963 City of B'ham Open – Round 9 – Griffiths, Peter C – 0-1 – Stokes, GN. – G10 1. d4 e6 2. c4 f5 3. Nc3 Bb4 4. g3 Nf6 5. Bg2 O-O 6. Qb3 c5 7. Bf4 Nc6 8. dxc5 Qa5 9. Rd1 Bxc5 10. Qb5 Bb4
1964 OWL Ch – Round 10 – Schoppmeyer Herbert – 0-1 – Groenegress, Wilfried – G29 1. c4 e6 2. Nc3 f5 3. d4 Nf6 4. g3 Bb4 5. Bg2 Bxc3+ 6. bxc3 O-O 7. Nf3 d6 8. O-O Qe7 9. Re1 e5 10. dxe5 dxe5
1964 URS – Round ? – Savon, Vladimir A – 1-0 – Natapov, Eugeniy – G3 1. c4 f5 2. Nc3 Nf6 3. d4 e6 4. g3 Bb4 5. Bg2 O-O 6. Nf3 d6 7. O-O Bxc3 8. bxc3 c5 9. Bf4 Ne4 10. Qd3 Nc6
1965 Chigorin Memorial – Round 14 – Damjanovic, Mato – 1-0 – Antoshin, Vladimir S – G66 1. c4 f5 2. d4 Nf6 3. Nc3 e6 4. g3 Bb4 5. Bg2 O-O 6. Nf3 Ne4 7. Qc2 Nc6 8. O-O Bxc3 9. bxc3 Na5 10. c5 d6
1968 Budapest – Round 1 – Toth, Bela – 1-0 – Dely, Peter – G15 1. d4 e6 2. c4 Bb4+ 3. Nc3 f5 4. g3 Nf6 5. Bg2 O-O 6. Nf3 Ne4 7. Qc2 c5 8. O-O Bxc3 9. bxc3 Qa5 10. Nd2 Nxd2
1968 Riga – Round 1 – Kushnir, Alla – 0-1 – Ranniku, Maaja – G4 1. d4 e6 2. c4 Bb4+ 3. Nc3 f5 4. g3 Nf6 5. Bg2 O-O 6. Nf3 d6 7. O-O Bxc3 8. bxc3 Nc6 9. d5 Na5 10. dxe6 Bxe6
1969 San Juan – Round 14 – Colon Romero, Miguel – 0-1 – Spassky, Boris V. – G92 1. d4 f5 2. c4 Nf6 3. Nc3 e6 4. g3 Bb4 5. Bg2 O-O 6. Nf3 Bxc3+ 7. bxc3 d6 8. O-O Nc6 9. Qc2 e5 10. dxe5 Nxe5
40. Olympiad Open 2012 – Round 5.24 – Salem, A.R. Saleh – 0-1 – Amin, Bassem – G323 1. d4 e6 2. c4 Bb4+ 3. Nc3 f5 4. g3 Nf6 5. Bg2 O-O 6. Nf3 d6 7. O-O Bxc3 8. bxc3 Nc6 9. Nd2 e5 10. c5 e4
Brussels 1987 – Round 1 – Meulders, Richard – 0-1 – Short, Nigel D – G6 1. d4 e6 2. c4 Bb4+ 3. Nc3 f5 4. g3 Nf6 5. Bg2 O-O 6. Nf3 Bxc3+ 7. bxc3 d6 8. O-O Qe7 9. Ba3 Nbd7 10. Nd2 c5

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