E19i — Queen’s Indian: Old Main Line, 9.Qxc3 f5 10.b3 Bf6 11.Bb2 d6

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.b3 Bf6 11.Bb2 d6 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ 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 la paire de fous.

Plans. h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Exploiter la case forte e4.

Atouts. Les Noirs s'appuient sur la case forte e4, des fous actifs en f6 et b7 et la paire de fous.

Côté adverse. Les fous enfermés en b2 et g2.

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

Plans. ...Nbd7 (Développer Nb8) ; ...c6 (Rupture) ; ...c5 (Rupture) ; ...d5 (Rupture) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● a2→b3, f2→g3, h2→g3, b3→c4	● e6→f5, a7→b6, c7→b6, c7→d6
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bb2	● Bb2 Enfermé (mob. 2)
Bg2	● Bg2 Enfermé (mob. 2)
Bf6		● Bf6 Actif (mob. 5)
Bb7		● Bb7 Actif (mob. 6)
Paire de fous	● Oui	● Oui
Non développées	1 (● 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, ● …d6-d5, ● …e6-e5, ● …f5-f4

Partie
? 1980 – Round 1 – Polugaevsky, Lev – 0-1 – Korchnoi, Viktor – G1 1. Nf3 Nf6 2. c4 b6 3. g3 Bb7 4. Bg2 e6 5. O-O Be7 6. d4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1940 New York ch-USA – Round 10 – Polland David – 0-1 – Reshevsky, Samuel – G53 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. b3 Bf6
1943 Ventnor City – Round 7 – Levin, Jacob – 1/2-1/2 – Santasiere, Anthony – 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 f5 10. b3 Bf6
1945 Prague – Round 10 – Pachman, Ludek – 1-0 – Prucha, Karel – G11 1. c4 Nf6 2. Nf3 b6 3. d4 e6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1945 Zlin – Round 6 – Sajtar, Jaroslav – 0-1 – Podgorny, Jiri – 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 f5 10. b3 d6
1946 CAN Ch – Round 8 – Nadeau, Paul – 0-1 – Anderson, Frank Ross – G8 1. d4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. c4 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 d6
1949 Southsea – Round 8 – Pachman, Ludek – 1-0 – Benzaquen Friedman, Amitay – 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. b3 Bf6
1951 HUN Ch 07th – Round ? – Benko, Pal – 1/2-1/2 – Hajtun, Jozsef – G13 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 f5 10. b3 Bf6
1957 GBR Ch 44th – Round 2.2 – Cafferty, Bernard – 1/2-1/2 – Penrose, Jonathan – 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 f5 10. b3 Bf6
1957 HUN Ch Budapest HUN – Round ? – Barcza, Gedeon – 0-1 – Kluger, Gyula – G41 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. b3 Bf6
1957 Reykjavik – Round 1 – Benko, Pal – 1/2-1/2 – Stahlberg, Gideon – G1 1. c4 e6 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. d4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1957 Reykjavik – Round 4 – Gudmundsson, Arinbjorn – 0-1 – Olafsson, Fridrik – G28 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 Be7 6. Nc3 Bb7 7. Bg2 O-O 8. O-O Ne4 9. Qc2 Nxc3 10. Qxc3 f5
1960 Leipzig olm fin-B – Round 4 – Letelier Martner, Rene – 1/2-1/2 – Thorbergsson, Freysteinn – G41 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. b3 Bf6
1960 Olympiad prel III – Round 4 – Hort, Vlastimil – 1/2-1/2 – Lengyel, Levente – G27 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. b3 Bf6
1962 Sarajevo – Round 10 – Bobotsov, Milko G – 1/2-1/2 – Ivkov, Borislav – G53 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. b3 Bf6
1962 Stockholm Interzonal – Round 16 – German, Eugenio – 1/2-1/2 – Schweber, Samuel – 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. b3 d6
1963 Hoogovens – Round 8 – O'Kelly, Albéric de Galway – 1/2-1/2 – Averbakh, Yuri L – G66 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. b3 Bf6
1963 Leningrad ch-URS – Round 1 – Spassky, Boris V. – 1/2-1/2 – Furman, Slavomir – G14 1. c4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. Nc3 O-O 7. d4 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1963 New York ch-USA – Round 2 – Benko, Pal – 1/2-1/2 – Reshevsky, Samuel – G12 1. c4 Nf6 2. d4 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. b3 Bf6
1963 Piatigorsky Cup – Round 11 – Petrosian, Tigran A. – 1/2-1/2 – Najdorf, Miguel – G22 1. c4 Nf6 2. Nf3 e6 3. g3 b6 4. d4 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Qc2 Nxc3 8. Qxc3 O-O 9. O-O f5 10. b3 Bf6
1963 Sochi – Round 1 – Haag, Ervin – 1/2-1/2 – Kozma, Julius – G14 1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. Nc3 O-O 7. d4 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1963 Stockholm 6364 – Round 4 – Horberg, Bengt-Eric – 0-1 – Stahlberg, Gideon – G3 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. c4 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1963 World Championship 25th – Round 19 – Petrosian, Tigran V – 1-0 – Botvinnik, Mikhail – G18 1. c4 Nf6 2. Nc3 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. d4 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1963 YUG Ch 19th – Round 15 – Pirc, Vasja – 1/2-1/2 – Krzisnik, Zvonko – G55 1. Nf3 e6 2. d4 Nf6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1964 DDR Ch 14. Magdeburg GER – Round 4 – Baumbach, Friedrich, Dr. – 1-0 – Kuettner, Uwe – 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 f5 10. b3 Bf6
1964 Reykjavik – Round 12 – Bjornsson, Thorarinn – 1-0 – Thorbergsson, Freysteinn – G70 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. b3 Bf6
1964 Tel Aviv olm prel – Round 5 – Darga, Klaus – 1/2-1/2 – Padevsky, Nikola – G175 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. b3 Bf6
1964 Tel Aviv olm prel – Round 6 – Perez Perez, Francisco Jose – 1/2-1/2 – Hort, Vlastimil – G224 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. b3 Bf6
1965 Pardubice – Round 7 – Augustin, Josef – 1/2-1/2 – Novak, Ervin – G53 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 d6 10. b3 f5
1965 Pardubice – Round 7 – Machacek, Petr – 1/2-1/2 – Blatny, Frantisek – G54 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. b3 Bf6
1965 Yerevan – Round 13 – Kortchnoi, V. – 1/2-1/2 – Liberzon, V. – G70 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. b3 Bf6
1965 Yerevan – Round 7 – Filip, Marius Liviu – 1/2-1/2 – Averbakh, Yuri L – G42 1. Nf3 Nf6 2. d4 e6 3. g3 b6 4. Bg2 Bb7 5. c4 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6
1966 Hungary – Round 1 – Pogats, Jozsef Jr. – 1/2-1/2 – Prelovszky, Laszlo – G46 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. b3 Bf6
1966 Moscow Tch-SU – Round 1 – Kots, Yuri I – 1/2-1/2 – Polugaevsky, Lev – 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 Nxc3 9. Qxc3 f5 10. b3 Bf6
1966 Rubinstein Memorial 04th – Round 10 – Kluger, Gyula – 1/2-1/2 – Lengyel, Laszlo – G55 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. b3 Bf6
1969 Reggio Emilia ITA – Round 1 – Bertok, Mario Jr. – 1/2-1/2 – Kozma, Julius – 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 Nxc3 9. Qxc3 f5 10. b3 Bf6
Interpolis 1993 – Round 3 – Andersson, Ulf 1949 – 1-0 – Rozentalis, Eduardas – G125 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. b3 Bf6
Moscow-4teams 1981 – Round 5.3 – Vaganian, Rafael A – 1/2-1/2 – Polugaevsky, Lev – G25 1. c4 Nf6 2. Nc3 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. d4 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. b3 Bf6

E19i — 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 Nxc3 9.Qxc3 f5 10.b3 Bf6 11.Bb2 d6

Les coups candidats

12.Rad1 — 58.6% (269 parties)

Ambassadeurs : Naumkin, Igor (6x), Noble, Mark Frederick (4x), Lomholt Hansen, Ole (3x), Brookes, John G (3x), Reshevsky, Samuel (2x), Benko, Pal (2x), Botvinnik, Mikhail (2x), Kummer, Gerhard (2x)

12.Qd2 — 16.8% (77 parties)

Ambassadeurs : Trevelyan, John (2x), Roux Cabral, Luis (1x), Opsahl, Haakon (1x), German, Eugenio (1x), Schweber, Samuel (1x), Donner, Jan-Hein (1x), Hein-Matanovic, Alexander (1x), O'Kelly, Albéric de Galway (1x)

12.Ne1 — 11.5% (53 parties)

Ambassadeurs : Hort, Vlastimil (4x), Pachman, Ludek (2x), Kuettner, Uwe (2x), Filip, Marius Liviu (2x), Prucha, Karel (1x), Benzaquen Friedman, Amitay (1x), Filipcic, Martin (1x), Radojcic, Slobodan (1x)

12.Rfd1 — 10.0% (46 parties)

Ambassadeurs : Nadeau, Paul (1x), Anderson, Frank Ross (1x), Brunet, Philip (1x), Yanofsky, Daniel Abraham (1x), Shainswit, George (1x), Denker, Arnold S (1x), Benko, Pal (1x), Stahlberg, Gideon (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	12.Rad1	12.Qd2	12.Ne1	12.Rfd1
<1800	5	—	20%	20%	40%
1800-2200	134	58%	22%	6%	11%
2200-2600	160	59%	13%	14%	10%
2600+	11	64%	27%	9%	—

Évolution par décennie (% des parties)

Décennie	N parties	12.Rad1	12.Qd2	12.Ne1	12.Rfd1
1930s	1	—	100%	—	—
1940s	10	40%	—	30%	30%
1950s	11	55%	18%	—	27%
1960s	37	46%	19%	32%	3%
1970s	23	35%	13%	30%	17%
1980s	59	61%	17%	17%	2%
1990s	84	65%	17%	7%	10%
2000s	103	58%	19%	7%	11%
2010s	115	64%	13%	6%	13%
2020s	16	56%	31%	6%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
12.Rad1	64%	56%	▼ -8.1%
12.Qd2	13%	31%	▲ +18.2%
12.Ne1	6%	6%	+0.2%
12.Rfd1	13%	0%	▼ -13.0%

Joueurs célèbres

Champions du monde dans cette position

Botvinnik, Mikhail — 2 parties
Smyslov, Vladimir — 1 partie
Tal, Mikhail — 1 partie

Parties historiques

12.Rad1 — 58.6% (269 parties)

1940 — Polland David vs Reshevsky, Samuel — 0-1 — New York, NY USA
1943 — Levin, Jacob vs Santasiere, Anthony — 1/2-1/2 — Ventnor City
1945 — Sajtar, Jaroslav vs Podgorny, Jiri — 0-1 — Zlin CZE
1949 — Zamikhovsky, Abram vs Lisitsin, Georgy — 1/2-1/2 — Leningrad RUS
1951 — Benko, Pal vs Hajtun, Jozsef — 1/2-1/2 — Budapest HUN

12.Qd2 — 16.8% (77 parties)

1939 — Roux Cabral, Luis vs Opsahl, Haakon — 1/2-1/2 — Buenos Aires ARG
1957 — Donner, Jan-Hein vs Hein-Matanovic, Alexander — 1/2-1/2 — Beverwijk Beverwijk NED
1957 — Gudmundsson, Arinbjorn vs Olafsson, Fridrik — 0-1 — Reykjavik ISL
1962 — German, Eugenio vs Schweber, Samuel — 1/2-1/2 — Stockholm izt
1963 — O'Kelly, Albéric de Galway vs Averbakh, Yuri L — 1/2-1/2 — Beverwijk NED

12.Ne1 — 11.5% (53 parties)

1945 — Pachman, Ludek vs Prucha, Karel — 1-0 — Prague CZE
1945 — Filipcic, Martin vs Radojcic, Slobodan — 1/2-1/2 — Novi Sad SRB
1949 — Pachman, Ludek vs Benzaquen Friedman, Amitay — 1-0 — Southsea
1960 — Hort, Vlastimil vs Lengyel, Levente — 1/2-1/2 — Leipzig GER
1962 — Bobotsov, Milko G vs Ivkov, Borislav — 1/2-1/2 — Sarajevo BIH

12.Rfd1 — 10.0% (46 parties)

1941 — Brunet, Philip vs Yanofsky, Daniel Abraham — 0-1 — Canada ch Winnipeg
1941 — Shainswit, George vs Denker, Arnold S — 1/2-1/2 — Hamilton
1946 — Nadeau, Paul vs Anderson, Frank Ross — 0-1 — Toronto CAN
1952 — Litmanowicz, Wladyslaw vs Arlamowski, Edward — 1-0 — Miedzyzdroje
1957 — Benko, Pal vs Stahlberg, Gideon — 1/2-1/2 — Reykjavik ISL

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