E17f — Queen’s Indian: 6.Nc3 O-O 7.Qc2 d5

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.Nc3 O-O 7.Qc2 d5 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte f4, case forte b5, case forte e5, case forte g5, paire de fous.
Faiblesses adverses : arriéré c7.
Problèmes : roi au centre, Bc1 enfermé, Bg2 enfermé, 3 pièces non développées (C1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Bg5 — Clouer Nf6
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : Be7 actif, paire de fous.
Faiblesses adverses : Bc1 enfermé, Bg2 enfermé, roi blanc au centre, pawn c4 en prise.
Problèmes : arriéré c7.
Plans :
● ...Nbd7 — Développer Nb8
● ...Bg4 — Clouer Nf3
● ...e5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

E17f —

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.Nc3 O-O 7.Qc2 d5

Eval: [+0.27]

Les coups candidats

8.cxd5 — 79.6% (222 parties)

Ambassadeurs : Bogdanovski, Vlatko (5x), Gligoric, Svetozar (3x), Jussupow, Artur (3x), Naumkin, Igor (3x), Botvinnik, Mikhail (2x), Turi, Dr Sandor (2x), Murakhveri, Valery Izyaslavovic (2x), Spassky, Boris V. (2x)

8.Ne5 — 15.4% (43 parties)

Ambassadeurs : Maderna, Carlos (3x), Guimard, Carlos E (2x), Roselli, Marquis (1x), Kashdan (1x), Fred, Aatos (1x), Sundberg, Bertil (1x), Trompowsky, Octavio (1x), O'Kelly, A. (1x)

8.O-O — 2.2% (6 parties)

Ambassadeurs : Quinn, Mark (1x), Henni, Mohamed (1x), Bogdanov, Radik (1x), Soskov, Vjatsheslav (1x), Rzoska, Kamil (1x), Jasnikowski, Zbigniew (1x), Adamson, Garry (1x), Dudko, Gennady (1x)

8.Bg5 — 1.4% (4 parties)

Ambassadeurs : Kulzinski, Nikolaj (1x), Tot, Bora (1x), Zlochevskij, Alexander (1x), Mitkov, Nikola (1x), Siebrecht, Sebastian (1x), Braun Neto, Augusto (1x), Veselsky, Jozef (1x), Bukovsky, Milan (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8.cxd5	8.Ne5	8.O-O	8.Bg5
<1800	5	40%	40%	20%	—
1800-2200	58	67%	26%	2%	2%
2200-2600	139	92%	5%	1%	1%
2600+	4	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	8.cxd5	8.Ne5	8.O-O	8.Bg5
1930s	8	62%	38%	—	—
1940s	9	56%	33%	—	11%
1950s	2	—	50%	—	—
1960s	6	100%	—	—	—
1970s	17	71%	29%	—	—
1980s	30	97%	3%	—	—
1990s	53	87%	8%	2%	2%
2000s	75	76%	20%	4%	—
2010s	68	76%	16%	1%	3%
2020s	11	91%	—	9%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.cxd5	76%	91%	▲ +14.4%
8.Ne5	16%	0%	▼ -16.2%
8.O-O	1%	9%	▲ +7.6%
8.Bg5	3%	0%	▼ -2.9%

Joueurs célèbres

Champions du monde dans cette position

Botvinnik, Mikhail — 2 parties
Karpov, Anatoly — 1 partie
Anand, Viswanathan — 1 partie

Parties historiques

8.cxd5 — 79.6% (222 parties)

1931 — Samimi Askari vs Botvinnik, Mikhail — 0-1 — Moskva ch SU
1931 — Zamikhovsky, Abram vs Botvinnik, Mikhail — 0-1 — Moskou ch-URS
1933 — Rubinstein, Simon vs Palme, Rudolf — 1-0 — Vienna AUT
1933 — Devos, Paul vs Berndtsson, Karl — 0-1 — Folkestone ENG
1938 — Shipunov, Aleksandr vs Konstantinopolsky, Alexander — 1-0 — Kiev UKR

8.Ne5 — 15.4% (43 parties)

1930 — Maderna, Carlos vs Trompowsky, Octavio — 1-0 — radiomatch
1933 — Roselli, Marquis vs Kashdan — 0-1 — Folkestone ENG
1937 — O'Kelly, A. vs Bolbochan, J. — 0-1 — Stockholm SWE
1944 — Maderna, Carlos vs Guimard, Carlos E — 1-0 — Mar del Plata ARG
1944 — Maderna, Carlos vs Guimard, Carlos E — 1-0 — Mar del Plata ARG

8.O-O — 2.2% (6 parties)

1992 — Quinn, Mark vs Henni, Mohamed — 1-0 — Duisburg Wch U16m
2000 — Bogdanov, Radik vs Soskov, Vjatsheslav — 1-0 — Tallinn EST
2005 — Rzoska, Kamil vs Jasnikowski, Zbigniew — 1-0 — Warsaw POL
2009 — Adamson, Garry vs Dudko, Gennady — 1-0 — Omsk RUS
2019 — Bacojo, Mark Jay vs Velarde, Jerish John — 1-0 — Batangas

8.Bg5 — 1.4% (4 parties)

1945 — Kulzinski, Nikolaj vs Tot, Bora — 1-0 — Novi Sad SRB
1992 — Zlochevskij, Alexander vs Mitkov, Nikola — 1/2-1/2 — Liechtenstein
2011 — Siebrecht, Sebastian vs Braun Neto, Augusto — 0-1 — Mulheim GER
2017 — Veselsky, Jozef vs Bukovsky, Milan — 1-0 — Slovakia

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	● c7
Chaînes	● f2→g3, h2→g3	● e6→d5, a7→b6, c7→b6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● b5 (2v0), ● e5 (2v0), ● g5 (2v0)	—
Cases faibles	● e4	—
Centre	● d4 (1v0), ● e5 (2v0)	● d5 (4v2)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Enfermé (mob. 2)
Bb7		● Bb7 Ok (mob. 3)
Be7		● Be7 Actif (mob. 4)
Paire de fous	● Oui	● Oui
Non développées	3 (c1, a1, h1)	2 (b8, a8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c4-c5	● …e6-e5

Partie
1931 Moskou ch-URS – Round 1 – Zamikhovsky, Abram – 0-1 – Botvinnik, Mikhail – G36 1. d4 e6 2. c4 Nf6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 O-O 7. Qc2 d5 8. cxd5 exd5 9. O-O Nbd7 10. Rd1 Re8
1933 Folkestone Olympiad V – Round 8.28 – Devos, Paul – 0-1 – Berndtsson, Karl – G25 1. Nf3 Nf6 2. d4 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 O-O 7. Qc2 d5 8. cxd5 exd5 9. O-O c5 10. Bg5 Ne4
1937 Stockholm ol – Round 8 – O'Kelly, A. – 0-1 – Bolbochan, J. – G48 1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. d4 Be7 6. Nc3 O-O 7. Qc2 d5 8. Ne5 c6 9. O-O Nbd7 10. e4 dxc4
1938 URS Ch, semi final – Round 1 – Shipunov, Aleksandr – 1-0 – Konstantinopolsky, Alexander – G23 1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 4. g3 e6 5. Bg2 Be7 6. Nc3 O-O 7. Qc2 d5 8. cxd5 exd5 9. O-O Nbd7 10. Bf4 c6
1940 Buenos Aires – Round 1 – Guimard, Jean Louis – 0-1 – Bolbochan, J. – G17 1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 4. g3 e6 5. Bg2 Be7 6. Nc3 O-O 7. Qc2 d5 8. cxd5 Nxd5 9. O-O Nd7 10. Rd1 N7f6
1944 Mar del Plata – Round 2 – Maderna, Carlos – 1-0 – Guimard, Carlos E – G27 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 O-O 7. Qc2 d5 8. Ne5 c6 9. cxd5 cxd5 10. O-O Nc6
1945 Novi Sad – Round 4 – Kulzinski, Nikolaj – 1-0 – Tot, Bora – G66 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 O-O 7. Qc2 d5 8. Bg5 dxc4 9. Bxf6 Bxf6 10. Ng5 Bxg5
1948 Nijmegen – Round 2 – Kramer, Haije – 1-0 – Vinken, Alex – G6 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 O-O 7. Qc2 d5 8. cxd5 exd5 9. O-O Nbd7 10. Rd1 c5
1948 Saltsjobaden tt – Round 1 – Fred, Aatos – 0-1 – Sundberg, Bertil – G10 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. c4 Be7 6. Nc3 O-O 7. Qc2 d5 8. Ne5 c6 9. cxd5 cxd5 10. O-O Nbd7
1948 South Fallsburg ch-USA – Round 1 – Steiner, Heinrich Jun. – 1/2-1/2 – Shipman, Walter – G39 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 O-O 7. Qc2 d5 8. cxd5 Nxd5 9. O-O Nd7 10. Nxd5 exd5
1951 Marianske Lazne zt – Round 1 – Sajtar, Jaroslav – 0-1 – Pachman, Ludek – G41 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 O-O 7. Qc2 d5 8. Ne5 c6 9. cxd5 cxd5 10. O-O Nfd7
1960 Atlantida – Round 7 – Rossetto, Hector – 1-0 – Isain, Pedros Santos – G18 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 O-O 7. Qc2 d5 8. cxd5 exd5 9. O-O Ne4 10. Bf4 Nxc3
1963 Pan American Ch – Round 4 – Calero Nino, Camilo – 0-1 – Haro Garcia, Gilberto – G15 1. d4 Nf6 2. c4 e6 3. Nc3 b6 4. Nf3 Be7 5. g3 Bb7 6. Bg2 O-O 7. Qc2 d5 8. cxd5 exd5 9. O-O Nbd7 10. Nh4 g6
1975 URS Team Ch – Round 1 – Karpov, Anatoly – 1-0 – Spassky, Boris V. – G152 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 O-O 7. Qc2 d5 8. cxd5 Nxd5 9. O-O Nd7 10. Nxd5 exd5
Belgrade 1987 – Round ? – Korchnoi, Viktor – 1-0 – Gligoric, Svetozar – G44 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 O-O 7. Qc2 d5 8. cxd5 exd5 9. O-O c5 10. Rd1 Na6
Candidates final 1977 – Round 17 – Korchnoi, Viktor – 1-0 – Spassky, Boris V. – G2 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Nc3 O-O 7. Bg2 Bb7 8. Qc2 d5 9. cxd5 exd5 10. O-O Na6

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