Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● e6→f5, a7→b6, c7→b6, d7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● e5 (2v0), ● g5 (2v1)	● e4 (2v0)
Cases faibles	—	—
Centre	● d4 (3v0), ● e5 (2v0)	● d5 (2v1), ● e4 (2v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Ok (mob. 3)
Bb7		● Bb7 Actif (mob. 6)
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, ● e2-e4	● …c7-c5, ● …d7-d5, ● …e6-e5, ● …f5-f4

E19g — Queen’s Indian: Old Main Line, 9.Qxc3 f5 10.Rd1

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 f5 10.Rd1 * ● 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, e5 et g5.

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

Plans. Bf4 (Fou actif (mobilité 8), Développer c1 — 24 % des parties) ; Qb3 (Contrôle diagonale b3-g8 — 12 % des parties) ; Qe3 (Centraliser la dame — 12 % des parties) ; b4 (Expansion aile dame — 12 % des parties) ; Be3 (Fou actif (mobilité 5), Développer c1 — 10 % des parties).

♚ 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 e4 et des fous actifs en b7 et e7.

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

Plans. ...Bf6 (Fou actif (mobilité 5) — 81 % des parties) ; ...d6 (Poussée — 10 % des parties) ; ...Qe8 (7 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1927 Moskou ch-URS – Round 15 – Freiman, Sergey Nikolaevich – 1-0 – Botvinnik, Mikhail – G40 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 f5 10. Rd1 Bf6
1934 Leningrad – Round 1 – Riumin, Nikolai – 1/2-1/2 – Alatortsev, Vladimir N. – G28 1. d4 e6 2. Nf3 Nf6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Qc2 Nxc3 8. Qxc3 O-O 9. O-O f5 10. Rd1 Bf6
1936 New York ch-USA – Round 13 – Simonson, Albert – 1-0 – Denker, Arnold S – G38 1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. Nc3 O-O 7. d4 Ne4 8. Qd3 Nxc3 9. Qxc3 f5 10. Rd1 Bf6
1940 New York ch-USA – Round 17 – Green, Matthew R – 1/2-1/2 – Shainswit, George – G99 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qd3 Nxc3 9. Qxc3 f5 10. Rd1 Bf6
1941 Mar del Plata – Round 4 – Guimard, Carlos E – 1/2-1/2 – Najdorf, Miguel – G42 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 f5 10. Rd1 Bf6
1942 Mar del Plata – Round 4 – Canepa, Jose – 0-1 – Bolbochan, J. – G35 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 f5 10. Rd1 Bf6
1946 Helsinki – Round 4 – Fred, Aatos – 1-0 – Ojanen, Kaarle S – G9 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 f5 10. Rd1 Bf6
1947 URS Ch sf – Round 8 – Zagoriansky, Evgeny – 1/2-1/2 – Petrosian, Tigran A. – 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 Nxc3 9. Qxc3 f5 10. Rd1 Bf6
1948 Bad Gastein – Round 17 – Lundin, Erik – 1-0 – Platt, Josef – G123 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 f5 10. Rd1 Bf6
1948 US Open – Round 10 – Kashdan, Isaac – 1/2-1/2 – Evans, Larry M – 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 f5 10. Rd1 Bf6
1949 Budapest-Moscow – Round 13 – Szabo, Ladislav – 1/2-1/2 – Averbakh, Yuri L – G92 1. c4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. d4 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. Rd1 Bf6
1950 FRG Ch Bad Pyrmont GER – Round 4 – Pfeiffer, Gerhard – 1/2-1/2 – Sahlmann, Walter – G10 1. d4 Nf6 2. Nf3 b6 3. c4 e6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. Rd1 Bf6
1951 Paignton Premier – Round 7 – Euwe, Max – 1-0 – Barden, Leonard – 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 f5 10. Rd1 Bf6
1953 Opatija – Round 4 – Golombek, Harry – 1/2-1/2 – Kupper, Josef – G31 1. d4 e6 2. c4 Nf6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Qc2 Nxc3 8. Qxc3 O-O 9. O-O f5 10. Rd1 Bf6
1953 Opatija – Round 5 – Pirc, Vasja – 1/2-1/2 – Vidmar Milan – G38 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 f5 10. Rd1 Qe8
1953 Opatija – Round 7 – Golombek, Harry – 1/2-1/2 – Pirc, Vasja – G51 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 O-O 7. O-O Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. Rd1 Qe8
1954 Argentina – Round 4 – Rossetto, Hector – 1/2-1/2 – Kotov Lundqvist, Alex – G9 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 f5 10. Rd1 Bf6
1956 CSR Ch sf Bratislava SVK – Round 12 – Fichtl, Jiri – 1/2-1/2 – Weiner, Milan – G24 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 f5 10. Rd1 Bf6
1960 CSR Ch – Round 5 – Zajic, Jiri – 1/2-1/2 – Florian, Jaromir – G42 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 f5 10. Rd1 Bf6
1963 Budapest Ch – Round 1 – Felmeri, Janos – 1-0 – Tompa, Janos – G21 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 f5 10. Rd1 d6
1964 Budapest ch-HUN – Round 2 – Hajtun, Jozsef – 1/2-1/2 – Kluger, Gyula – G176 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 Nxc3 9. Qxc3 f5 10. Rd1 Bf6
1965 Buenos Aires – Round 1 – Schweber, Samuel – 1/2-1/2 – Bolbochan, J. – G18 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 f5 10. Rd1 Bf6
1966 La Habana olm fin-B – Round 13 – Alzate, Javier – 1/2-1/2 – Vranesic, Zvonko – G53 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 f5 10. Rd1 Bf6
1968 Lugano SUI – Round 1 – Hort, Vlastimil – 1-0 – Belkadi, Ridha – G28 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 f5 10. Rd1 Bf6
41. Olympiad Open 2014 – Round 8.21 – Jobava, Baadur – 1/2-1/2 – Ismagambetov, Anuar – G565 1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. d4 O-O 7. Nc3 Ne4 8. Qd3 Nxc3 9. Qxc3 f5 10. Rd1 Bf6

E19g — Old Main Line (1927)

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 f5 10.Rd1

Les coups candidats

10…Bf6 — 85.5% (353 parties)

Ambassadeurs : Zalys, Ignas (2x), Rossetto, Hector (2x), Jones, Brian (2x), Mucongoma, Miguel Jose Maconi (2x), Kool, Gerard (1x), Van den Berg, Carel B (1x), Parrish, T (1x), Benkner, Otto (1x)

10…d6 — 9.9% (41 parties)

Ambassadeurs : Zoeller, Bernd (2x), Felmeri, Janos (1x), Tompa, Janos (1x), Stoll, Joachim (1x), Hartmann, Wolfram (1x), Herrmann, Michael (1x), Gellrich, Peter (1x), Zalys, Ignas (1x)

10…Be4 — 1.9% (8 parties)

Ambassadeurs : Gaston Cabello, Jorge (1x), Sanchez Moreno, Jose Carlos (1x), Gendre, Pascal (1x), Bilek, Thomas (1x), Paikidze, Nazi (1x), Kazimova, Narmin (1x), Lazaravicius, Aras Jonas (1x), Adams, Seth-Riley (1x)

10…Qe8 — 1.5% (6 parties)

Ambassadeurs : Pirc, Vasja (2x), Golombek, Harry (2x), Vidmar, Milan Sr (1x), Nedeljkovic, Alexsandar (1x), Mester, Gyula (1x), Deak, Sandor (1x), Profumo, Alberto (1x), Mariano, Elia (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10…Bf6	10…d6	10…Be4	10…Qe8
<1800	20	65%	20%	15%	—
1800-2200	186	83%	13%	2%	1%
2200-2600	147	91%	5%	1%	1%
2600+	2	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	10…Bf6	10…d6	10…Be4	10…Qe8
1950s	11	73%	—	—	27%
1960s	9	89%	11%	—	—
1970s	14	93%	—	—	—
1980s	19	79%	21%	—	—
1990s	67	85%	12%	1%	1%
2000s	113	86%	9%	2%	2%
2010s	156	85%	10%	3%	—
2020s	24	92%	8%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10…Bf6	85%	92%	▲ +6.4%
10…d6	10%	8%	▼ -1.9%
10…Be4	3%	0%	▼ -3.2%
10…Qe8	0%	0%	+0.0%

Parties historiques

10…Bf6 — 85.5% (353 parties)

1950 — Pfeiffer, Gerhard vs Sahlmann, Walter — 1/2-1/2 — FRG-ch Bad Pyrmont GER
1951 — Eken, Max vs Barden, Leonard — 1-0 — Paignton
1953 — Benkner, Otto vs Tartakower, Savielly — 0-1 — Paris-Saar m
1953 — Golombek, Harry vs Kupper, Josef — 1/2-1/2 — Opatija
1954 — Rossetto, Hector vs Kotov, Alexander — 1/2-1/2 — Argentina

10…d6 — 9.9% (41 parties)

1963 — Felmeri, Janos vs Tompa, Janos — 1-0 — Budapest HUN
1980 — Stoll, Joachim vs Hartmann, Wolfram — 0-1 — GER
1982 — Zalys, Ignas vs Baguzis, Gintaras — 1-0 — Montreal match
1986 — Viner, Phillip vs From, Sigfred — 1/2-1/2 — Toowoomba
1988 — Herrmann, Michael vs Gellrich, Peter — 0-1 — GER

10…Be4 — 1.9% (8 parties)

1995 — Gaston Cabello, Jorge vs Sanchez Moreno, Jose Carlos — 0-1 — Saragossa IBERCAJA-C
2006 — Gendre, Pascal vs Bilek, Thomas — 1/2-1/2 — Avoine FRA
2009 — Paikidze, Nazi vs Kazimova, Narmin — 0-1 — Antalya TUR
2014 — Lazaravicius, Aras Jonas vs Adams, Seth-Riley — 1/2-1/2 — Durban
2014 — Roehrkasten, Reinhard vs Benning, Michael — 0-1 — Verden

10…Qe8 — 1.5% (6 parties)

1952 — Golombek, Harry vs Nedeljkovic, Alexsandar — 0-1 — Belgrade SRB
1953 — Pirc, Vasja vs Vidmar, Milan Sr — 1/2-1/2 — Opatija
1953 — Golombek, Harry vs Pirc, Vasja — 1/2-1/2 — Opatija
1996 — Mester, Gyula vs Deak, Sandor — 1/2-1/2 — Sarospatak
2000 — Profumo, Alberto vs Mariano, Elia — 1-0 — Bratto ITA

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