Structure de pions

	♔ 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	mobile
Ruptures	● d4-d5, ● e2-e4	● …c7-c5, ● …d7-d5, ● …e6-e5, ● …f5-f4

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 mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Nf3 (Développer g1 — 51 % des parties) ; Qb3 (Prépare O-O-O — 11 % des parties) ; a3 (Préparer expansion aile dame — 9 % des parties) ; Qc2 (Prépare O-O-O — 5 % des parties) ; e3 (Solidifier le centre — 5 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...O-O (Mettre le roi en sécurité, connecter les tours — 80 % des parties) ; ...Bxc3+ (Fou actif (mobilité 6) — 10 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

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

A90n — Dutch-Indian (1930)

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

Les coups candidats

5…O-O — 77.5% (495 parties)

Ambassadeurs : Brodie, Hugh (4x), Choroszej, Aleksander (4x), Delega, Tomasz (3x), Gosciniak, Maria (3x), Gurgenidze, Bukhuti (2x), Spassky, Boris V. (2x), Karlsson, Lars 1937 (2x), Manteca (2x)

5…Bxc3+ — 13.9% (89 parties)

Ambassadeurs : McKone, Peter (2x), Pareschi, Remo (2x), Schoppmeyer, Herbert (1x), Groenegress, Wilfried (1x), Jansa, Vlastimil (1x), Fabian, Jaroslav (1x), Appel, Ralf (1x), Hennig, Dirk, Dr. (1x)

5…Ne4 — 2.2% (14 parties)

Ambassadeurs : Kalotay, Andrew (1x), Neff, Phil (1x), Marmoud, Edmond (1x), Bhend, Edwin (1x), Aguilar, Pedro (1x), Hoyt, Walter (1x), Schroll, Gerhard (1x), Wach, Markus (1x)

5…Nc6 — 1.6% (10 parties)

Ambassadeurs : Mitscherling, Reinhard (1x), Fritsch, Juergen, Dr. (1x), Sklepinski, Artur (1x), Ancuta, Adam (1x), Wyngaarden, Martin (1x), Behrmann, Klaus (1x), Tristan, Leonardo (1x), Latorre, Matias (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5…O-O	5…Bxc3+	5…Ne4	5…Nc6
<1800	60	55%	23%	3%	7%
1800-2200	282	80%	12%	2%	1%
2200-2600	182	80%	15%	2%	1%
2600+	1	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	5…O-O	5…Bxc3+	5…Ne4	5…Nc6
1950s	9	67%	11%	11%	—
1960s	17	88%	6%	6%	—
1970s	11	73%	9%	9%	—
1980s	33	85%	12%	—	—
1990s	117	79%	16%	2%	—
2000s	153	77%	13%	2%	2%
2010s	224	82%	9%	2%	1%
2020s	75	60%	29%	1%	5%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5…O-O	82%	60%	▼ -21.7%
5…Bxc3+	9%	29%	▲ +20.0%
5…Ne4	2%	1%	▼ -0.9%
5…Nc6	1%	5%	▲ +4.0%

Parties historiques

5…O-O — 77.5% (495 parties)

1952 — Casas Perea, Fernando vs Benko, Francisco — 0-1 — Buenos Aires ARG
1956 — Espinosa Flores, Rafael Emilio vs Pelikán, Jiří — 1/2-1/2 — Santa Fe
1957 — Auer, Guenter vs Sigrist, G. — 1-0 — corr Dyckhoff mem
1958 — Minev, Nikolay N vs Gurgenidze, Bukhuti — 1/2-1/2 — Sofia BUL
1958 — Gibbs, Peter Campbell vs Fuller, John Arthur — 0-1 — Leamington

5…Bxc3+ — 13.9% (89 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
1983 — Halmi, Pentti vs Elfving, Joern — 1-0 — ?
1988 — Appel, Ralf vs Hennig, Dirk, Dr. — 1/2-1/2 — GER

5…Ne4 — 2.2% (14 parties)

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
1997 — Blair, David A vs Deschamp, Guy — 1-0 — ?

5…Nc6 — 1.6% (10 parties)

2002 — Mitscherling, Reinhard vs Fritsch, Juergen, Dr. — 1-0 — Sparow
2007 — Wyngaarden, Martin vs Behrmann, Klaus — 1-0 — ?
2008 — Sklepinski, Artur vs Ancuta, Adam — 1-0 — Poznan POL
2013 — Tristan, Leonardo vs Latorre, Matias — 1-0 — Asuncion PAR
2016 — Bredenhof, Bo vs Dreisch, Jürgen — 1/2-1/2 — ICCF

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