Structure de pions

	♔ 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	● f4 (2v0)	● f5 (2v0)
Cases faibles	—	—
Centre	● d4 (1v0), ● e4 (1v0), ● e5 (1v0)	● d5 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Actif (mob. 4)
Be4		● Be4 Actif (mob. 10)
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	mobile
Ruptures	● c4-c5, ● d4-d5	● …c7-c5, ● …d7-d5, ● …e6-e5

E19e — Queen’s Indian: Old Main Line, 9.Qxc3 Be4 10.Ne1

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 Nxc3 9.Qxc3 Be4 10.Ne1 * ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Jeu au centre (rupture c4-c5).

Atouts. Les Blancs s'appuient sur un contrôle dominant de f4 et un fou actif en g2.

Côté adverse. Une pièce en prise (le fou en e4).

En contrepartie. Plusieurs pièces dorment encore (le fou c1 et la tour a1).

Plans. Be3 (Développer Bc1) ; c5 (Frapper le centre adverse) ; d5 (Occuper le centre) ; e3 (Solidifier le centre, libérer le fou) ; f4 (Poussée).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Jeu au centre (rupture c7-c5).

Atouts. Les Noirs s'appuient sur un contrôle dominant de f5 et des fous actifs en e4 et e7.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b8 et la tour a8).

Plans. ...Bxg2 (Fou actif (mobilité 8) — 96 % des parties) ; ...d5 (Occuper le centre — 4 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1942 Duras 60 Memorial – Round 4 – Kottnauer, Cenek – 0-1 – Alekhine, Alexander – G17 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 Nxc3 9. Qxc3 Be4 10. Ne1 d5
1942 Mar del Plata – Round 11 – Maderna, Carlos – 1-0 – Luckis, Marcos – G91 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Qc2 Nxc3 8. Qxc3 Be4 9. O-O O-O 10. Ne1 Bxg2
1943 Mar del Plata – Round 13 – Iliesco, Juan – 0-1 – Bolbochan, J. – G93 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O e6 5. c4 Be7 6. d4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 Be4 10. Ne1 Bxg2
1943 Salzburg – Round 1 – Alekhine, Alexander – 1/2-1/2 – Keres, Paul Petrovich – G7 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 Nxc3 9. Qxc3 Be4 10. Ne1 d5
1944 Mar del Plata – Round 1 – Iliesco, Juan – 1-0 – Luckis, Marcos – G24 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O e6 5. d4 Be7 6. c4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 Be4 10. Ne1 Bxg2
1945 Vina del Mar – Round 11 – Maccioni, Alejandro – 1/2-1/2 – Najdorf, Miguel – G38 1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 e6 5. d4 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 Be4 10. Ne1 Bxg2
1946 Buenos Aires ch-ARG – Round 1 – Alvarez Martin, Pedro – 1/2-1/2 – Acosta Montiel, Vicente – G30 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Qc2 Nxc3 8. Qxc3 Be4 9. O-O O-O 10. Ne1 Bxg2
1946 Buenos Aires ch-ARG – Round 1 – Alvarez Martin, Pedro – 1/2-1/2 – Pilnik Aranda, Karla Constanza – G31 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Qc2 Nxc3 8. Qxc3 O-O 9. O-O Be4 10. Ne1 Bxg2
1946 JUG Ch – Round 1 – Markovic, Miroslav – 0-1 – Bozic, Aleksandar – G3 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 Nxc3 9. Qxc3 Be4 10. Ne1 Bxg2
1946 Mar del Plata – Round 13 – Maccioni, Alejandro – 0-1 – Luckis, Marcos – G117 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 Nxc3 9. Qxc3 Be4 10. Ne1 Bxg2
1946 New York ch-USA – Round 1 – Levin, Jerome A – 1/2-1/2 – Reshevsky, Samuel – G13 1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 e6 5. d4 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 Be4 10. Ne1 Bxg2
1946 POL Ch – Round 19 – Mnichowicz E – 0-1 – Sliwa, Bogdan – G111 1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. c4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 Be4 10. Ne1 Bxg2
1947 Mar del Plata – Round 4 – Bolbochan, J. – 1/2-1/2 – Bolbochan, J. – G37 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 Nxc3 9. Qxc3 Be4 10. Ne1 Bxg2
1947 Nt Lueneburg GER – Round 15 – Surmann, F – 1-0 – Ahues, Carl – G37 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Qc2 Nxc3 8. Qxc3 O-O 9. O-O Be4 10. Ne1 Bxg2
1949 Leningrad – Round 12 – Tarasov, Vitaly – 1/2-1/2 – Levenfish, Grigory – G89 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 Nxc3 9. Qxc3 Be4 10. Ne1 Bxg2
1949 URS Ch, semi final – Round 6 – Aratovsky, Nikolay – 1-0 – Rovner, Dmitry – G46 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 Nxc3 9. Qxc3 Be4 10. Ne1 Bxg2
1950 Schiavno Zdroj – Round 1 – Koberl, Ferenc – 1/2-1/2 – Pogats, Jozsef Jr. – G128 1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. d4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 Be4 10. Ne1 Bxg2
1950 Schiavno Zdroj – Round 1 – Kottnauer, Cenek – 1/2-1/2 – Keres, P. – G10 1. c4 e6 2. Nf3 Nf6 3. d4 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Qc2 Nxc3 8. Qxc3 O-O 9. O-O Be4 10. Ne1 d5
1950 Utrecht tt NED-YUG – Round 1.8 – Henneberke, Frans – 0-1 – Matanovic, Aleksandar – G8 1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. c4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 Be4 10. Ne1 Bxg2
1951 Mar del Plata zt – Round 17 – Bolbochan, J. – 1/2-1/2 – Wexler, Bernardo – G165 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 Nxc3 9. Qxc3 Be4 10. Ne1 Bxg2
1951 YUG Ch 6th – Round 4 – Matanovic, Aleksandar – 1-0 – Nedeljkovic, Srecko M – G21 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. O-O e6 5. d4 Be7 6. c4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 Be4 10. Ne1 Bxg2
1951 YUG Ch 7th – Round 5 – Bajec, Ivo – 1/2-1/2 – Nedeljkovic, Srecko M – G43 1. Nf3 Nf6 2. d4 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. c4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 Be4 10. Ne1 Bxg2
1952 Rio de Janeiro – Round 10 – Eidelman Mauricio – 0-1 – Cruz, Walter – G53 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 Nxc3 9. Qxc3 Be4 10. Ne1 Bxg2
1954 Bucharest – Round 5 – Kholmov, Nikita Vit – 1/2-1/2 – Stahlberg, Gideon – G49 1. d4 e6 2. Nf3 Nf6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 Be4 10. Ne1 Bxg2
1954 Olympiad final B – Round 1 – Prameshuber, Alexander – 1/2-1/2 – Nielsen, Poul Erik – G13 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 Nxc3 9. Qxc3 Be4 10. Ne1 Bxg2
1956 Dresden – Round 4 – Sliwa, Bogdan – 1/2-1/2 – Sterner, Olof – G25 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 Nxc3 9. Qxc3 Be4 10. Ne1 Bxg2
1964 Amsterdam Interzonal – Round 2 – Bilek, Istvan – 1/2-1/2 – Lengyel, Laszlo – G15 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 Nxc3 9. Qxc3 Be4 10. Ne1 Bxg2
1964 ESP Ch 29th – Round 12 – Pomar Salamanca, Arturo – 1-0 – Tejero Royo, Fermin – G47 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 Nxc3 9. Qxc3 Be4 10. Ne1 Bxg2
1965 Ontario Open – Round 4 – Rubin, Gerald – 1-0 – Sarosy, Zoltan L – G5 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 Nxc3 9. Qxc3 Be4 10. Ne1 Bxg2
1966 Belgrade – Round 1 – Rajkovic, Aleksandar – 0-1 – Damjanovic, Marko – G8 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Qc2 Nxc3 8. Qxc3 Be4 9. O-O O-O 10. Ne1 Bxg2
1966 Rio Hondo zt – Round 1 – Miranda, Marcio Marcos do Carmo – 0-1 – Luckis, Marcos – G4 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Qc2 Nxc3 8. Qxc3 Be4 9. O-O O-O 10. Ne1 Bxg2
1967 Toronto Closed – Round 4 – Kalotay, Andrew – 1/2-1/2 – Sarosy, Zoltan L – G4 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 Nxc3 9. Qxc3 Be4 10. Ne1 Bxg2
1968 CSR Ch – Round 19 – Pachman, Ludek – 1/2-1/2 – Kavalek, Lubomir – G166 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 Nxc3 9. Qxc3 Be4 10. Ne1 Bxg2
1975 Portoroz/Ljubljana – Round 15 – Osterman, Rudolf – 1/2-1/2 – Barle, Janez – G32 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Qc2 Nxc3 8. Qxc3 O-O 9. O-O Be4 10. Ne1 Bxg2
1975 Portoroz/Ljubljana – Round 4 – Osterman, Rudolf – 1/2-1/2 – Musil, Vitezslav – G41 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Qc2 Nxc3 8. Qxc3 Be4 9. O-O O-O 10. Ne1 Bxg2

E19e — Old Main Line (1942)

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 Nxc3 9.Qxc3 Be4 10.Ne1

Les coups candidats

10…Bxg2 — 96.1% (99 parties)

Ambassadeurs : Sarosy, Zoltan L (4x), Beliavsky, Alexander G (3x), Cuartas, Jaime Alexander (2x), Cruz, Walter (2x), Matanovic, Aleksandar (2x), Nedeljkovic, Srecko M (2x), Gulko, Boris (2x), Pomar Salamanca, Arturo (2x)

10…d5 — 2.9% (3 parties)

Ambassadeurs : Kottnauer, Cenek (2x), Keres, Paul Petrovich (1x), Keres, Paul (1x), Schmidt, Wlodzimierz (1x), Rozentalis, Eduardas (1x)

10…f5 — 1.0% (1 parties)

Ambassadeurs : Gyldenas, Ole Jorn (1x), Muhsen, Abdulla Mohmmed (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10…Bxg2	10…d5	10…f5
<1800	1	100%	—	—
1800-2200	25	96%	—	4%
2200-2600	37	97%	3%	—
2600+	1	100%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	10…Bxg2	10…d5	10…f5
1950s	14	86%	14%	—
1960s	13	100%	—	—
1970s	23	100%	—	—
1980s	10	100%	—	—
1990s	16	94%	6%	—
2000s	14	100%	—	—
2010s	12	92%	—	8%
2020s	1	100%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10…Bxg2	92%	100%	▲ +8.3%
10…d5	0%	0%	+0.0%
10…f5	8%	0%	▼ -8.3%

Parties historiques

10…Bxg2 — 96.1% (99 parties)

1950 — Koberl, Ferenc vs Pogats, Jozsef Jr. — 1/2-1/2 — Schiavno Zdroj
1950 — Henneberke, Frans vs Matanovic, Aleksandar — 0-1 — ?
1951 — Bolbochan, Jacobo vs Wexler, Bernardo — 1/2-1/2 — Mar del Plata ARG
1951 — Bajec, Ivo vs Nedeljkovic, Srecko M — 1/2-1/2 — Sarajevo BIH
1951 — Matanovic, Aleksandar vs Nedeljkovic, Srecko M — 1-0 — Ljubljana

10…d5 — 2.9% (3 parties)

1950 — Kottnauer, Cenek vs Keres, Paul Petrovich — 1/2-1/2 — Szawno Zdroj
1950 — Kottnauer, Cenek vs Keres, Paul — 1/2-1/2 — Schiavno Zdroj
1999 — Schmidt, Wlodzimierz vs Rozentalis, Eduardas — 1/2-1/2 — POL-chT 55th

10…f5 — 1.0% (1 parties)

2011 — Gyldenas, Ole Jorn vs Muhsen, Abdulla Mohmmed — 0-1 — Fagernes

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