E19a — Queen’s Indian: Old Main Line, 9.Qxc3

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 ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Exploiter la case forte f4….

Atouts. Les Blancs s'appuient sur les cases fortes f4, e5 et g5 et la paire de fous.

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

Plans. Be3 (Développer Bc1) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Jeu au centre (rupture c7-c6).

Atouts. Les Noirs s'appuient sur des fous actifs en b7 et e7 et la paire de fous.

Côté adverse. Les fous enfermés en c1 et g2.

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

Plans. ...Nc6 (Développer Nb8) ; ...c5 (Rupture) ; ...d6 (Rupture) ; ...d5 (Rupture) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

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), ● e5 (2v0), ● g5 (2v1)	—
Cases faibles	—	—
Centre	● d4 (2v0), ● e5 (2v0)	● d5 (2v1), ● e4 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Enfermé (mob. 2)
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	semi-ouvert
Ruptures	● c4-c5, ● d4-d5, ● e2-e3	● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …e6-e5, ● …f7-f6, ● …f7-f5

Partie
1926 Semmering – Round 1 – Gilg, Karl – 1/2-1/2 – Acebey Michel, Veroska – G34 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 Na6 10. a3 c5
1934 Leningrad ch-URS – Round 1 – Yudovich, Mikhail M – 1-0 – Kan, Ilya A – G90 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 Bf6 10. Qc2 Nc6
1937 Stockholm ol – Round 5 – Reshevsky, Samuel – 1-0 – Lilienthal, Georg – 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 Qc8 10. Rd1 d5
1937 Tbilisi ch-URS – Round 1 – Goglidze, Viktor – 1-0 – Chekhover, Vitaly – G64 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 Bf6 10. Qc2 Nc6
1938 Lodz – Round 1 – Foltys, Jan – 1/2-1/2 – Pirc, Vasja – G59 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Qc2 Be4 8. Qb3 Bb7 9. Nc3 Ne4 10. Rd1 Nxc3
1941 Mar del Plata – Round 11 – Sulik, Franciszek – 1/2-1/2 – Najdorf, Miguel – G92 1. d4 Nf6 2. Nf3 b6 3. c4 e6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 Ne4 7. Qc2 Nxc3 8. Qxc3 O-O 9. O-O Qc8 10. Rd1 Be4
1941 Munchen – Round 6 – Lundin, Erik – 1/2-1/2 – Rabar, Bakhtyar Hamasaleh – G53 1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. d4 Be7 6. Nc3 Ne4 7. Qc2 Nxc3 8. Qxc3 O-O 9. O-O Bf6 10. Qc2 d5
1943 Prague – Round 1 – Alekhine, Alexander – 1/2-1/2 – Fichtl, Jiri – G2 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 Bf6 10. Bf4 d6
1946 Verenigde Staten m ch-USA – Round 3 – Steiner, Heinrich Jun. – 1/2-1/2 – Denker, Arnold S – G3 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 Nxc3 9. Qxc3 Qc8 10. Bf4 d6
1947 Vienna SCHLECHTER-mem – Round 13 – Gruenfeld, Ernst – 1/2-1/2 – Opocensky, Karel – 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 Qc8 10. Bf4 d6
1950 Dubrovnik olm – Round 12 – Steiner, Heinrich Jun. – 0-1 – Rossolimo, Nicolas – G77 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 Qc8 10. Rd1 d5
1950 Dubrovnik olm – Round 9 – Aguilar Flores, Renata Camila – 1/2-1/2 – Rossolimo, Nicolas – G124 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 Qc8 10. Ne1 Bxg2
1950 Dubrovnik YUG – Round 1 – Enevoldsen, Harald – 0-1 – Rossolimo, Nicolas – G2 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 Nxc3 9. Qxc3 Qc8 10. Bf4 d6
1950 Hungary – Round 1 – Gereben, Erno – 1-0 – Pogats, Jozsef Jr. – G38 1. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. c4 Be7 6. Nc3 Ne4 7. Qc2 Nxc3 8. Qxc3 O-O 9. O-O Qc8 10. Bf4 Be4
1951 Madrid – Round 1 – Giustolisi, Alberto – 1/2-1/2 – Enevoldsen, Jens – G4 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 Qc8 10. Bf4 d6
1952 Budapest – Round 6 – Platz, Hans – 0-1 – Stahlberg, Gideon – G56 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 d5 10. Ne5 c6
1952 Budapest HUN – Round 7 – Szabo, Ladislav – 1-0 – Platz, Hans – G4 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. c4 e6 5. d4 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 d5 10. cxd5 exd5
1952 Hoogovens – Round 7 – Bouwmeester, Hans – 0-1 – Kramer, Hanspeter – G35 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 Qc8 10. Qd3 f5
1952 Rio de Janeiro – Round 1 – Eidelman Mauricio – 1/2-1/2 – Mangini, Jose Henrique de Mello – 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 Qc8 10. Rd1 d6
1953 Wch U20 qual – Round 4 – Ivkov, Borislav – 1/2-1/2 – Darga, Klaus – 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 d5 10. Ne5 c6
1954 Belgrade – Round 14 – Porrecca, Giorgio – 1/2-1/2 – Djurasevic, Bozidar – 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 Na6 10. b3 c5
1954 Olympiad prel IV – Round 1 – Golombek, Harry – 1/2-1/2 – Darga, Klaus – G13 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 d5 10. Bf4 c6
1955 Hamburg – Round 13 – Stahlberg, Gideon – 1-0 – Pfeiffer, Gerhard – G101 1. Nf3 e6 2. c4 Nf6 3. g3 b6 4. Bg2 Bb7 5. O-O Be7 6. d4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 Qc8 10. Rd1 d5
1956 Alekhine Memorial – Round 1 – Pachman, Ludek – 1/2-1/2 – Smyslov, Vladimir – G21 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 Qc8 10. b3 d6
1956 Hastings5657 – Round 9 – Larsen, Bent Ravn – 1/2-1/2 – O'Kelly, Albéric de Galway – G43 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. c4 e6 5. O-O Be7 6. d4 O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 Qc8 10. Bf4 d6
1956 URS Ch sf – Round ? – Osnos, Viatcheslav – 1/2-1/2 – Khasin, Abram – 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 Qc8 10. b3 Be4
1957 CSR Ch – Round 16 – Filip, Miroslav – 1/2-1/2 – Pachman, Ludek – G70 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 Nxc3 9. Qxc3 Qc8 10. b3 d6
1957 Sofia zt Sofia BUL – Round 1 – Filip, Miroslav – 1/2-1/2 – Szilagyi, Gyorgy Laszlo – 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 Qc8 10. b3 f5
1957 WchT U26 04th – Round 7.2 – Minev, Nikolay N – 1-0 – Portisch, Lajos – G92 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 Qc8 10. b3 d6
1958 Argentina – Round 5 – Espinosa Flores, Rafael Emilio – 1-0 – Luckis, Marcos – G39 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 Qc8 10. Rd1 d5
1960 Moscow CCCT – Round 5 – Kholmov, Ratmir D – 1/2-1/2 – Simagin, Vladimir – G30 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 Bf6 10. Qc2 Bxf3
1962 Sarajevo – Round 6 – Ivkov, Borislav – 1/2-1/2 – Darga, Klaus – G36 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 Qc8 10. Rd1 d5
1963 Sochi – Round 9 – Bukic, Enver – 1/2-1/2 – Kholmov, Ratmir D – 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 a5 10. Ne1 Bxg2
1964 Mar del Plata – Round 6 – Amado, Claudio – 1/2-1/2 – Luckis, Marcos – 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 Qc8 10. Rd1 d5
1968 Hoogovens – Round 4 – Ivkov, Borislav – 0-1 – Korchnoi, Viktor – G42 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 Nxc3 9. Qxc3 Qc8 10. Rd1 d5
1968 It Buesum GER – Round 11 – Kolarov, Atanas S. – 1/2-1/2 – O'Kelly de Galway, Alberic – G51 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 Qc8 10. b3 d6
1970 Palma de Mallorca Interzonal – Round 3 – Ivkov, Borislav – 1/2-1/2 – Polugaevsky, Lev – G115 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 c5 10. Rd1 d6
1971 Hoogovens – Round 2 – Ivkov, Borislav – 1-0 – Najdorf, Miguel – G36 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 c5 10. Rd1 d6
1971 Hoogovens – Round 5 – Najdorf, Miguel – 1/2-1/2 – Petrosian, Tigran L. – G85 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. Rd1 Bf6
1972 Skopje ol (Men) fin-A – Round 1 – Ivkov, Borislav – 1-0 – Lombard, Andre – G94 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 d6 10. b3 c5
1972 Skopje ol (Men) fin-A – Round 15 – Filip, Marius Liviu – 1/2-1/2 – Timman, Jan H – G164 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Be7 5. Bg2 Bb7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. b3 c5
1972 Skopje ol (Men) fin-A – Round 3 – Lombard, Andre – 0-1 – Pomar Salamanca, Arturo – G96 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 Bf6 10. Qc2 Nc6
1975 Portoroz/Ljubljana – Round 13 – Osterman, Rudolf – 1/2-1/2 – Parma, Bruno – G42 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 c5 10. Be3 d6
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
36. Olympiad 2004 – Round 7 – Timman, Jan H – 1/2-1/2 – Speelman, Jon S – G233 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 Bf6 10. Rd1 d6
Melody Amber, Blindfold, Monaco 1995 – Round 2 – Nikolic, Predrag – 1/2-1/2 – Ivanchuk, Vasyl – 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 Bf6 10. Qc2 d5

E19a — 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

Les coups candidats

9…c5 — 41.2% (2795 parties) →

Ambassadeurs : Andersson, Ulf (30x), Karpov, Anatoly (23x), Weber, Karlheinz (19x), Da Silva Filho, Alcindo Luz Bastos (18x), Ribli, Zoltan (16x), Kýhos, Alois (16x), Portych, Václav (16x), Ivkov, Borislav (15x)

9…f5 — 27.9% (1895 parties) →

Ambassadeurs : Pirc, Vasja (12x), Ivkov, Borislav (11x), Rozentalis, Eduardas (10x), Almarza Mato, Carlos (10x), Averbakh, Yuri L (8x), Kholmov, Ratmir D (8x), Golombek, Harry (7x), Hacker, Christian (7x)

9…d6 — 14.7% (999 parties) →

Ambassadeurs : Ivkov, Borislav (12x), Najdorf, Miguel (6x), Vila Hernández, Carlos (6x), Matanovic, Aleksandar (5x), Blatny, Frantisek (5x), Zakharov, Oleg (5x), Ilyasov, Anatoly Fedorovich (5x), Hort, Vlastimil (4x)

9…Be4 — 9.3% (634 parties) →

Ambassadeurs : Najdorf, Miguel (9x), Bolbochan, J. (7x), Keres, Paul Petrovich (7x), Matanovic, Aleksandar (7x), Luckis, Marcos (6x), Szabo, Ladislav (5x), Sarosy, Zoltan L (5x), Petrosian, Tigran A. (5x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9…c5	9…f5	9…d6	9…Be4
<1800	110	42%	28%	14%	10%
1800-2200	2118	41%	28%	17%	7%
2200-2600	2804	47%	23%	14%	10%
2600+	148	62%	14%	9%	10%

Évolution par décennie (% des parties)

Décennie	N parties	9…c5	9…f5	9…d6	9…Be4
1920s	16	—	38%	50%	—
1930s	55	33%	29%	24%	5%
1940s	148	4%	42%	24%	26%
1950s	241	0%	50%	14%	24%
1960s	234	14%	46%	18%	17%
1970s	428	46%	24%	12%	13%
1980s	475	43%	35%	8%	7%
1990s	843	38%	34%	11%	9%
2000s	1477	45%	27%	13%	9%
2010s	2458	50%	22%	14%	7%
2020s	413	31%	18%	36%	7%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9…c5	50%	31%	▼ -19.2%
9…f5	22%	18%	▼ -4.6%
9…d6	14%	36%	▲ +22.2%
9…Be4	7%	7%	-0.3%

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 — 7 parties
Botvinnik, Mikhail — 6 parties
Anand, Viswanathan — 3 parties
Kramnik, Vladimir — 2 parties
Hou, Yifan — 1 partie

Parties historiques

9…c5 — 41.2% (2795 parties)

1934 — Frydman, Paulino vs Eliskases, Erich — 0-1 — Ujpest
1935 — Appel, Izaak vs Steiner, Lajos — 0-1 — Lodz POL
1935 — Monticelli, Mario vs Najdorf, Miguel — 0-1 — Warsaw ol ;HCL 36
1935 — Monticelli D Elias, Maria Lucia vs Najdorf, Miguel — 0-1 — Warsaw POL
1935 — Opocensky, Karel vs Lilienthal, Andor — 0-1 — Warsaw POL

9…f5 — 27.9% (1895 parties)

1927 — Przepiorka, Dawid vs Ahues, Carl — 0-1 — Kecskemet II
1927 — Makogonov, Vladimir vs Botvinnik, Mikhail — 0-1 — Moskou ch-URS
1927 — Freiman, Sergey Nikolaevich vs Botvinnik, Mikhail — 1-0 — Moskou ch-URS
1928 — Bakos, Adam Tamas vs Gereben, Erno — 0-1 — Gyula HUN
1929 — Gilg, Karl vs Euwe, Max — 1/2-1/2 — Carlsbad CZE

9…d6 — 14.7% (999 parties)

1925 — Asztalos, Lajos vs Tartakower, Savielly — 1/2-1/2 — Debrecen HUN
1926 — Gilg, Karl vs Bluemich, Max — 1-0 — Vienna AUT
1926 — Gilg, Karl vs Kmoch, Hans — 1/2-1/2 — Semmering AUT
1927 — Takacs, Sandor vs Asztalos, Lajos — 0-1 — Kecskemet I
1927 — Reti, Richard vs Landau, Salo — 1-0 — Rotterdam m Rotterdam NED

9…Be4 — 9.3% (634 parties)

1937 — Reshevsky, Samuel vs Eliskases, Erich — 1-0 — Semmering AUT
1939 — Mueller, Helge vs Lokvenc, Josef — 1/2-1/2 — Bad Oeynhausen ch-GER
1939 — Alekhine, Alexander vs Loynaz, S. — 1-0 — Caracas VEN
1940 — Euwe, Max vs Keres, Paul Petrovich — 1/2-1/2 — Match Amsterdam NED
1941 — Eliskases, Erich vs Luckis, Marcos — 1/2-1/2 — Mar del Plata ARG

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