E18y — Queen’s Indian: Old Main Line, 8.Qc2

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 Ne4 8.Qc2 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte e4, case forte f4, case forte b5, case forte e5, paire de fous.
Problèmes : Bc1 enfermé, Bg2 enfermé.
Plans :
● Be3 — Développer Bc1
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : Bb7 actif, Be7 actif, paire de fous.
Faiblesses adverses : Bc1 enfermé, Bg2 enfermé.
Plans :
● ...Nc6 — Développer Nb8
● ...Bg4 — Clouer Nf3
● ...c5 — Rupture
● ...d6 — Rupture
● ...d5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

E18y — Old Main Line

1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.g3 Bb7 5.Bg2 Be7 6.O-O O-O 7.Nc3 Ne4 8.Qc2

Eval: [+0.16]

Les coups candidats

8…Nxc3 — 94.7% (6678 parties) →

Ambassadeurs : Ivkov, Borislav (41x), Andersson, Ulf (36x), Najdorf, Miguel (28x), Karpov, Anatoly (23x), Kholmov, Ratmir D (21x), Timman, Jan H (20x), Matanovic, Aleksandar (19x), Hort, Vlastimil (18x)

8…f5 — 4.5% (316 parties)

Ambassadeurs : Berg, Emanuel (2x), Fels, Karl-Heinz (2x), Katajainen, Kimmo (2x), Cardona Costa, Jaume (2x), Hutsch, Oliver (2x), Sajtar, Jaroslav (1x), Keller, Rudolf (1x), Lovas, Gyula (1x)

8…d5 — 0.8% (54 parties)

Ambassadeurs : Mattsson, Benjamin (3x), Zalys, Ignas (2x), Bergdahl, Assar (2x), Wastfelt, Torsten (2x), Kostina, Nadezhda (2x), Tartakower, Savielly (1x), Alekhine, Alexander (1x), Pachman, Ludek (1x)

8…d6 — 0.0% (2 parties)

Ambassadeurs : Sainz Cortón, Enrique (1x), Speisser, Patrick (1x), Visoescu, Alexandru-Bogdan (1x), Vieito Soria, Luis María (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8…Nxc3	8…f5	8…d5	8…d6
<1800	119	93%	6%	1%	—
1800-2200	2335	93%	6%	1%	0%
2200-2600	2753	97%	3%	1%	0%
2600+	146	99%	1%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	8…Nxc3	8…f5	8…d5	8…d6
1920s	18	94%	—	6%	—
1930s	58	97%	3%	—	—
1940s	150	97%	2%	1%	—
1950s	243	95%	4%	2%	—
1960s	230	98%	1%	0%	—
1970s	427	96%	2%	2%	—
1980s	489	97%	2%	1%	—
1990s	948	94%	6%	1%	—
2000s	1612	93%	6%	1%	—
2010s	2449	95%	5%	1%	0%
2020s	428	96%	4%	0%	0%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8…Nxc3	95%	96%	▲ +1.2%
8…f5	5%	4%	▼ -1.1%
8…d5	1%	0%	-0.3%
8…d6	0%	0%	+0.2%

Joueurs célèbres

Champions du monde dans cette position

Euwe, Max — 10 parties
Smyslov, Vladimir — 10 parties
Karpov, Anatoly — 10 parties
Karpov, Aleksandr — 10 parties
Tal, Mikhail — 9 parties
Alekhine, Alexander — 8 parties
Botvinnik, Mikhail — 6 parties
Anand, Viswanathan — 3 parties
Kasparov, Garry — 2 parties
Kramnik, Vladimir — 2 parties
Hou, Yifan — 1 partie

Parties historiques

8…Nxc3 — 94.7% (6678 parties)

1925 — Asztalos, Lajos vs Tartakower, Savielly — 1/2-1/2 — Debrecen HUN
1925 — Reti, Richard vs Saemisch, Friedrich — 0-1 — Breslau GER
1926 — Gilg, Karl vs Bluemich, Max — 1-0 — Vienna AUT
1926 — Weenink, Henri vs Kersing, W. — 1/2-1/2 — NED
1926 — Gilg, Karl vs Kmoch, Hans — 1/2-1/2 — Semmering AUT

8…f5 — 4.5% (316 parties)

1935 — Lovas, Gyula vs Boros, Sandor — 1-0 — Tatatovaros HUN
1937 — Barta, Jan vs Florian, Jaromir — 1-0 — Brno CZE
1941 — Reinfeld, Wolfgang vs Seidman, Herbert — 0-1 — New York, NY USA
1942 — Sajtar, Jaroslav vs Keller, Rudolf — 1-0 — Chocen
1949 — Ratner, Boris vs Chekhover, Vitaly — 1/2-1/2 — Vilnius LTU

8…d5 — 0.8% (54 parties)

1925 — Tartakower, Savielly vs Alekhine, Alexander — 1/2-1/2 — Baden-Baden GER
1946 — Pachman, Ludek vs Rohacek, Ivan — 1-0 — Prague CZE
1952 — Bernstein, Sidney vs Katki, H. — 1-0 — corr ol
1953 — Zalys, Ignas vs Fuchs, Walter — 1-0 — cr Golden Knights
1958 — Zalys, Ignas vs Wallace, Donald — 1-0 — cr Golden Knights

8…d6 — 0.0% (2 parties)

2019 — Sainz Cortón, Enrique vs Speisser, Patrick — 1-0 — ICCF
2022 — Visoescu, Alexandru-Bogdan vs Vieito Soria, Luis María — 1-0 — ICCF

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● a7→b6, c7→b6, d7→e6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e4 (2v1), ● f4 (2v0), ● b5 (2v0), ● e5 (2v0)	—
Cases faibles	—	● g5
Centre	● d4 (1v0), ● e4 (2v1), ● e5 (2v0)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Enfermé (mob. 2)
Bb7		● Bb7 Actif (mob. 4)
Be7		● Be7 Actif (mob. 7)
Paire de fous	● Oui	● Oui
Non développées	2 (c1, a1)	2 (b8, a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● c4-c5, ● d4-d5, ● e2-e3	● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …e6-e5, ● …f7-f6, ● …f7-f5

Partie
1925 Baden-Baden – Round 1 – Tartakower, Savielly – 1/2-1/2 – Alekhine, Alexander – G37 1. d4 e6 2. c4 Nf6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 d5 9. cxd5 Nxc3 10. bxc3 exd5
1942 Chocen – Round ? – Sajtar, Jaroslav – 1-0 – Keller, Rudolf – G22 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 f5 9. b3 d5 10. Bb2 Nd7
1946 Treybal Memorial – Round 6 – Pachman, Ludek – 1-0 – Rohacek, Ivan – G33 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 d5 9. Be3 Nxc3 10. Qxc3 c6
1949 URS Ch, semi final – Round 11 – Ratner, Boris – 1/2-1/2 – Chekhover, Vitaly – G85 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 f5 9. Ne5 Nd6 10. Bxb7 Nxb7
1953 Corr Golden Knights – Round ? – Zalys, Ignas – 1-0 – Fuchs, Walter – G6 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 d5 9. Nxe4 dxe4 10. Nd2 f5
1953 Montreal Ch – Round 1 – Zalys, Ignas – 1-0 – Davis, Eddie – G1 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 f5 9. Ne5 d5 10. cxd5 exd5
1954 Zonal – Round 5 – Dunkelblum, Arthur – 1-0 – Jacob, Franz – G7 1. c4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. d4 O-O 7. Nc3 Ne4 8. Qc2 f5 9. Ne1 d5 10. cxd5 exd5
1956 Montevideo – Round 1 – Olivera, Alfredo – 1/2-1/2 – Isain, Pedros Santos – G23 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. c4 O-O 7. Nc3 Ne4 8. Qc2 f5 9. Ne5 d5 10. Be3 Nd7
1958 Corr Golden Knights – Round ? – Zalys, Ignas – 1-0 – Wallace, Donald – G10 1. Nf3 Nf6 2. c4 e6 3. d4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 d5 9. Rd1 Nxc3 10. Qxc3 Nd7
World Blitz 2017 – Round 5.40 – Pantsulaia, Levan – 1-0 – Dervishi, Erald – G266 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O e6 5. c4 Be7 6. Nc3 O-O 7. d4 Ne4 8. Qc2 d5 9. cxd5 exd5 10. Bf4 Na6