A43t — Old Benoni: Schmidt, 3.e4 g6

1.d4 c5 2.d5 d6 3.e4 g6 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur la paire de fous.

Côté adverse. Les fous enfermés en c8 et f8 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (les cavaliers b1 et g1, les fous c1 et f1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; Nbd2 (Développer Nb1) ; Nf3 (Développer Ng1) ; Be3 (Développer Bc1) ; Bd3 (Développer Bf1).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur la paire de fous.

Côté adverse. Les fous enfermés en c1 et f1 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (les cavaliers b8 et g8, les fous c8 et f8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...Nbd7 (Développer Nb8) ; ...Nf6 (Développer Ng8) ; ...Bf5 (Développer Bc8) ; ...Bb4 (Développer Bf8).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● e4→d5	● d6→c5, e7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	—
Cases faibles	—	● d5
Centre	● d5 (2v0)	● e5 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 5)
Bc8		● Bc8 Non développé (mob. 5)
Bf8		● Bf8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	6 (b1, g1, c1, f1, a1, h1)	6 (b8, g8, c8, f8, a8, h8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Au centre !	● Au centre !
Droits de roque	O-O / O-O-O	O-O / O-O-O

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c2-c3, ● e4-e5, ● f2-f3	● …c5-c4, ● …e7-e6, ● …e7-e5, ● …f7-f6, ● …f7-f5

Partie
1903 It – Round 12 – Speijer, Abraham – 1-0 – Neumann, Augustin – G9 1. d4 c5 2. d5 g6 3. Nf3 Bg7 4. e4 d6 5. Bd3 Nf6 6. h3 Na6 7. Nbd2 Nc7 8. Nf1 b5 9. Ng3 e6 10. dxe6 fxe6
1904 BCF Ch 1st – Round 10 – Lee, Francis J – 0-1 – Blackburne, Joseph – G32 1. d4 c5 2. d5 g6 3. e4 d6 4. Bd3 Bg7 5. Ne2 Nf6 6. c4 Na6 7. Nbc3 Nc7 8. h3 O-O 9. Be3 Nfe8 10. g4 e6
1907 Karlsbad – Round 1 – Teichmann, Richard – 1-0 – Tartakower, Savielly – G2 1. d4 c5 2. d5 d6 3. e4 g6 4. Bd3 Bg7 5. f4 Nf6 6. c3 O-O 7. Nf3 e6 8. dxe6 Bxe6 9. O-O Qb6 10. c4 Nc6
1907 Ostende II – Round 13 – Von Scheve, Theodor – 0-1 – Tartakower, Savielly – G151 1. d4 c5 2. d5 g6 3. e4 d6 4. c3 Bg7 5. Ne2 Nf6 6. Ng3 O-O 7. Be2 e6 8. h4 exd5 9. exd5 Re8 10. Kf1 Qe7
1908 Prague – Round 13 – Duz-Khotimirsky, Fedor Ivanovich – 1-0 – Treybal, Frantisek – G104 1. d4 c5 2. d5 d6 3. e4 g6 4. f4 Bg7 5. Nf3 Nf6 6. Nc3 O-O 7. Be2 a6 8. a4 b6 9. O-O Bb7 10. h3 Nbd7
1912 Bad Pistyan – Round 13 – Johner, Paul – 1-0 – Hromadka, Karel – G51 1. d4 c5 2. d5 d6 3. e4 g6 4. Bd2 Bg7 5. Bc3 Nf6 6. Bc4 Nbd7 7. Qd3 Ne5 8. Bxe5 dxe5 9. Nf3 Qd6 10. Nc3 a6
1912 Bad Pistyan – Round 15 – Cohn, Erich – 0-1 – Spielmann, Rudolf – G60 1. d4 c5 2. d5 d6 3. e4 g6 4. Bd2 Bg7 5. Bc3 Nf6 6. Nd2 O-O 7. f4 Bg4 8. Be2 Bxe2 9. Qxe2 Nbd7 10. Nh3 Re8
1912 DSB-18.Kongress – Round 17 – Breyer, Gyula – 0-1 – Mieses, Jacques – G131 1. d4 c5 2. d5 d6 3. e4 g6 4. Bd2 Bg7 5. Bc3 Nf6 6. Nd2 O-O 7. f4 e6 8. dxe6 fxe6 9. g3 d5 10. Bxf6 Bxf6
1912 DSB-18.Kongress – Round 2 – Cohn, Erich – 1-0 – Mieses, Julio Cesar – G10 1. d4 c5 2. d5 d6 3. e4 g6 4. f4 Bg7 5. Nf3 e6 6. Nc3 Ne7 7. Bb5+ Bd7 8. Bxd7+ Qxd7 9. O-O Na6 10. Be3 Bxc3
1912 DSB-18.Kongress-B – Round ? – Ottensooser – 1/2-1/2 – Hromadka, Karel – G4 1. d4 c5 2. d5 d6 3. e4 g6 4. f4 Bg7 5. Nf3 e6 6. Bb5+ Kf8 7. O-O exd5 8. Qxd5 Ne7 9. Qd1 Nbc6 10. Bxc6 Nxc6
1912 Vilnius – Round 2 – Ungern Sternberg, K. – 0-1 – Hromadka, Karel – G14 1. d4 c5 2. d5 d6 3. e4 g6 4. Be3 Bg7 5. c3 Nf6 6. Be2 O-O 7. Nd2 e6 8. Bf3 exd5 9. exd5 Re8 10. h3 Nbd7
1913 Scheveningen – Round 2 – Olland, Adolf George – 1/2-1/2 – Mieses, Jacques – G15 1. d4 c5 2. d5 d6 3. e4 g6 4. Nf3 Bg7 5. Bd3 Nf6 6. Nc3 a6 7. a4 Bg4 8. h3 Bxf3 9. Qxf3 Nbd7 10. Bd2 Ne5
1926 Dresden – Round 9 – Rubinstein, Akiba – 1-0 – Steiner, Endre – G40 1. Nf3 g6 2. e4 Bg7 3. d4 c5 4. d5 d6 5. c4 Nd7 6. Nc3 Ngf6 7. Be2 O-O 8. O-O a6 9. a4 Rb8 10. h3 Ne8
1938 Krefeld – Round 1 – Kruijer, Cornelius – 1/2-1/2 – Schlage, Willi – G4 1. d4 c5 2. d5 d6 3. e4 g6 4. Nf3 Bg7 5. c3 Nf6 6. Bf4 O-O 7. Nbd2 e6 8. dxe6 fxe6 9. e5 dxe5 10. Bxe5 Nc6
1948 GER Ch Essen GER – Round 3 – Teschner, Rudolf – 1/2-1/2 – Schmid, Lothar – G5 1. d4 c5 2. d5 d6 3. e4 g6 4. Nf3 Bg7 5. Be2 e6 6. Nc3 Ne7 7. O-O O-O 8. Bg5 h6 9. Bh4 g5 10. Bg3 f5
1952 Hungary Ch – Round 8 – Tipary, Lajos – 0-1 – Koberl, Ferenc – G45 1. d4 c5 2. d5 g6 3. e4 d6 4. Bd3 Bg7 5. Nf3 Nf6 6. O-O O-O 7. c4 Na6 8. Nc3 Bg4 9. h3 Bxf3 10. Qxf3 Nc7
1952 Mar del Plata – Round 8 – Luckis, Marcos – 1/2-1/2 – Rossetto, Hector – G58 1. d4 c5 2. d5 g6 3. e4 d6 4. f4 Bg7 5. Nf3 e5 6. fxe5 Bxe5 7. Bg5 Bf6 8. Bxf6 Nxf6 9. Nc3 O-O 10. Bd3 Nbd7
1952 Rio de Janeiro – Round 5 – Cruz, Walter – 1/2-1/2 – Rossetto, Hector – G24 1. d4 c5 2. d5 g6 3. e4 d6 4. c4 Bg7 5. Nc3 e5 6. Nge2 Nf6 7. g3 O-O 8. Bg2 Nh5 9. O-O f5 10. f4 Qe7
1952 SUI-GER – Round 2.3 – Christoffel, Martin – 1/2-1/2 – Schmid, Lothar – G9 1. d4 c5 2. d5 d6 3. e4 g6 4. f4 Bg7 5. Nc3 e6 6. Nf3 Ne7 7. dxe6 fxe6 8. Be3 Qb6 9. Rb1 O-O 10. Be2 Nbc6
1952 YUG Ch – Round 11 – Bozic, Aleksandar – 0-1 – Fuderer, Andrija – G16 1. d4 c5 2. d5 d6 3. e4 g6 4. Nc3 Bg7 5. Bd3 Nf6 6. Nf3 O-O 7. O-O Na6 8. Nd2 Nc7 9. a4 e6 10. dxe6 Bxe6
1953 Opatija – Round 2 – Vidmar Milan – 0-1 – Fuderer, Andrija – G18 1. d4 c5 2. d5 d6 3. e4 g6 4. Nc3 Bg7 5. Bd2 Nf6 6. Qc1 O-O 7. Bh6 Qa5 8. Bxg7 Kxg7 9. Qd2 Qb4 10. O-O-O Nxe4
1953 Zagreb – Round 1 – Nikolac, Juraj – 1/2-1/2 – Fuderer, Andrija – G4 1. d4 c5 2. d5 d6 3. e4 g6 4. Bd3 Bg7 5. f4 Nf6 6. Qe2 O-O 7. Nf3 e6 8. dxe6 Bxe6 9. c3 Re8 10. O-O Bd5
1954 DDR Ch 05th – Round 9 – Kahn, Manfred – 1/2-1/2 – Platz, Hans – G44 1. d4 c5 2. d5 d6 3. e4 g6 4. Nc3 Bg7 5. Bc4 Nf6 6. Nge2 O-O 7. O-O Na6 8. Bxa6 bxa6 9. Rb1 Rb8 10. f3 Nd7
1955 Novi Sad – Round 1 – Vospernik, Zdravko – 0-1 – Gligorić, Svetozar – G6 1. d4 c5 2. d5 d6 3. e4 g6 4. Nc3 Bg7 5. Be2 Na6 6. Nf3 Nc7 7. O-O Nf6 8. a4 O-O 9. Nd2 b6 10. Nc4 Ba6
1956 Corr Wch2 – Round 1 – Kjellander, Sven – 1-0 – Schmid, Leo – G2 1. d4 c5 2. d5 d6 3. e4 g6 4. Nc3 Bg7 5. g3 Nf6 6. Bg2 O-O 7. Nge2 Na6 8. O-O Nc7 9. a4 Rb8 10. h3 b6
1957 Dublin zt – Round 1 – Van Scheltinga, Theo – 0-1 – Schmid, Leo – G1 1. d4 c5 2. d5 d6 3. e4 g6 4. f4 Bg7 5. Nf3 e6 6. dxe6 fxe6 7. e5 d5 8. c4 Ne7 9. Nc3 a6 10. Bd3 Nbc6
1957 Madrid – Round 1 – Diez del Corral, Jesus – 1/2-1/2 – Perez Perez, Francisco Jose – G2 1. d4 c5 2. d5 d6 3. e4 g6 4. f4 Bg7 5. Nf3 e6 6. Bb5+ Bd7 7. Bxd7+ Qxd7 8. c4 exd5 9. cxd5 Nf6 10. Nc3 O-O
1957 Wageningen zt – Round 13 – Larsen, Benjamin Holsko – 1-0 – Alster, Ladislav – G60 1. d4 c5 2. d5 d6 3. e4 g6 4. Be2 Bg7 5. Nf3 Bg4 6. Nfd2 Bxe2 7. Qxe2 Nd7 8. O-O Ngf6 9. a4 O-O 10. Nc3 Ne8
1958 GDR Ch Schkopau GER – Round 11 – Starck, Bodo – 0-1 – Breustedt, Werner – G65 1. d4 c5 2. d5 d6 3. e4 g6 4. Bd3 Bg7 5. Ne2 Qc7 6. Nd2 Nf6 7. O-O a6 8. a4 Nbd7 9. Nc3 e5 10. Qe2 Nh5
1959 Corr Wch3 – Round 1 – Napolitano, Matteo – 1-0 – Endzelins, Lucius – G2 1. d4 c5 2. d5 d6 3. e4 g6 4. Nc3 Bg7 5. Bd2 Na6 6. Bxa6 bxa6 7. Nf3 Nf6 8. O-O O-O 9. Qc1 Rb8 10. Rb1 Bg4
1959 Moscow – Round 1 – Shianovsky, Vladislav I – 1-0 – Peterson, Andrejs – G3 1. d4 c5 2. d5 d6 3. e4 g6 4. Nf3 Bg7 5. Bd3 Na6 6. O-O Nc7 7. Nc3 Nh6 8. Bf4 f6 9. h3 O-O 10. Qd2 Nf7
1959 URS Team Ch – Round 1 – Antoshin, Vladimir S – 1-0 – Peterson, Andrejs – G12 1. d4 c5 2. d5 d6 3. e4 g6 4. Nc3 Bg7 5. Nf3 Na6 6. Be2 Nc7 7. a4 Nh6 8. Bf4 f5 9. e5 Ng4 10. e6 O-O
1959 Zuerich – Round 1 – Tal, Mikhail – 0-1 – Bhend, Edwin – G8 1. d4 c5 2. d5 d6 3. e4 g6 4. Nf3 Bg7 5. Be2 Na6 6. O-O Nc7 7. Nc3 f5 8. Bd3 fxe4 9. Nxe4 Nh6 10. Bf4 O-O
1960 EU-Cup Gr2 – Round 2.2 – Salo, Toivo – 1/2-1/2 – Schmid, Lothar – G18 1. d4 c5 2. d5 d6 3. e4 g6 4. f4 Bg7 5. Nf3 e6 6. c4 Ne7 7. Nc3 O-O 8. Be2 exd5 9. cxd5 Bg4 10. O-O Nd7
1960 Hamburg WGER-USSR – Round 7 – Geller, Efim P – 1-0 – Schmid, Leo – G15 1. d4 c5 2. d5 d6 3. e4 g6 4. Nf3 Bg7 5. Be2 e5 6. dxe6 fxe6 7. Nc3 Ne7 8. O-O O-O 9. Bg5 Nbc6 10. Qd2 Nd4
1961 Baku ch-URS – Round 13 – Polugaevsky, Lev – 1/2-1/2 – Tal, Mikhail – G118 1. d4 c5 2. d5 d6 3. e4 g6 4. Nf3 Bg7 5. Nc3 Na6 6. Bb5+ Bd7 7. Bxd7+ Qxd7 8. O-O Nf6 9. a4 O-O 10. Bg5 Nc7
1961 Budapest ch-HUN – Round 1 – Rethy, Pal – 0-1 – Haag, Ervin – G19 1. d4 c5 2. d5 d6 3. e4 g6 4. Bd3 Nf6 5. Nd2 Bg7 6. Ne2 O-O 7. Ng3 e6 8. c4 exd5 9. cxd5 Bd7 10. O-O b5
1961 Graz 1st – Round 6 – Rellstab, Ludwig – 1/2-1/2 – Pirc, Vasja – G14 1. d4 c5 2. d5 d6 3. e4 g6 4. Nf3 Bg7 5. Be2 Na6 6. O-O Nf6 7. Nc3 Nc7 8. Re1 O-O 9. h3 a6 10. a4 Rb8
1961 Moscow Ch – Round ? – Goldberg, Grigory A – 1-0 – Zakharov, Alexander V – G51 1. d4 g6 2. e4 Bg7 3. Nf3 c5 4. d5 d6 5. Bc4 Nf6 6. Qe2 O-O 7. h3 b5 8. Bxb5 Nxe4 9. O-O Nf6 10. c4 e6
1961 Oberhausen etc – Round 9 – Taimanov, Mark E – 1-0 – Haag, Ervin – G220 1. d4 c5 2. d5 d6 3. Nc3 g6 4. e4 Bg7 5. Nf3 Bg4 6. h3 Bxf3 7. Qxf3 Nf6 8. Be2 O-O 9. O-O Nbd7 10. a4 a6
1962 Capablanca Memorial – Round 3 – Perez Perez, Francisco Jose – 1/2-1/2 – Haag, Ervin – G24 1. d4 g6 2. e4 Bg7 3. Nc3 c5 4. d5 d6 5. Be2 Bxc3+ 6. bxc3 Nf6 7. Qd3 Qa5 8. Bd2 Qa4 9. c4 b5 10. f3 bxc4
1962 Olympiad Varna BUL – Round 2 – Johansson Rexner, Melker – 1/2-1/2 – Olafsson, Fridrik – G19 1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. d5 d6 5. Nf3 a6 6. a4 Nf6 7. Be2 O-O 8. O-O e6 9. dxe6 Bxe6 10. Bf4 d5
1963 Budapest ch-HUN – Round 1 – Kluger, Gyula – 0-1 – Gasztonyi, Endre – G121 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. d5 d6 5. Bb5+ Nd7 6. a4 Nf6 7. Nc3 O-O 8. h3 Ne8 9. O-O a6 10. Be2 Nc7
1963 Copenhagen – Round 1 – Norman Hansen, Holger – 0-1 – Andersen, Borge – G10 1. e4 g6 2. d4 Bg7 3. Nf3 c5 4. d5 d6 5. Bb5+ Bd7 6. Bxd7+ Qxd7 7. O-O Nf6 8. Re1 O-O 9. Nc3 b5 10. e5 dxe5
1963 Sochi – Round 6 – Smyslov, Vladimir – 1-0 – Bilek, Istvan – G39 1. d4 g6 2. e4 Bg7 3. Nf3 c5 4. d5 d6 5. Be2 Bg4 6. a4 Nf6 7. Nc3 Bxf3 8. Bxf3 O-O 9. O-O Ne8 10. h4 e6
1964 Belgrade – Round 8 – Trifunovic, Petar – 0-1 – Szabo, Laszlo – G56 1. d4 c5 2. d5 g6 3. e4 Bg7 4. Nc3 d6 5. Nf3 Na6 6. Be2 Nc7 7. O-O Nf6 8. a4 O-O 9. Bf4 a6 10. Nd2 Bd7
1964 Corr FS – Round 1 – Bhaskar Jyoti Koch – 1-0 – Haag, Ervin – G3 1. d4 c5 2. d5 d6 3. e4 g6 4. Nc3 Bg7 5. Nf3 Bxc3+ 6. bxc3 Nf6 7. Nd2 e5 8. Bd3 O-O 9. O-O Nh5 10. a4 Qh4
1964 Zagreb – Round 8 – Bobotsov, Milko G – 0-1 – Fuderer, Andrija – G41 1. d4 c5 2. d5 d6 3. e4 g6 4. Nf3 Bg7 5. Be2 Na6 6. O-O Nc7 7. a4 Nf6 8. Nc3 O-O 9. Bf4 Bg4 10. Re1 a6
1965 IBM – Round 1 – Bouwmeester, Hans – 0-1 – Szabo, Ladislav – G8 1. Nf3 g6 2. e4 Bg7 3. d4 c5 4. d5 d6 5. Be2 Na6 6. O-O Nc7 7. Nc3 a6 8. a4 Nf6 9. Nd2 O-O 10. a5 Nb5
1965 Tbilisi Tbilisi GEO – Round 1 – Balcerowski, Witold – 1/2-1/2 – Kholmov, Ratmir D – G4 1. d4 c5 2. d5 g6 3. e4 Bg7 4. Nf3 d6 5. Bb5+ Nd7 6. O-O Nf6 7. Re1 O-O 8. a4 a6 9. Bf1 Qc7 10. Nc3 e6
1966 US Open – Round 1 – Byrne, Robert E – 1-0 – Erkes, Robert – G8 1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. d5 d6 5. Nf3 Bg4 6. Be2 Nd7 7. O-O Ngf6 8. Bg5 h6 9. Be3 O-O 10. Re1 a6
1967 Mar del Plata Open – Round 7 – Foguelman, Alberto – 1/2-1/2 – Benko, Francisco – G23 1. d4 c5 2. d5 d6 3. e4 g6 4. Bd2 Nf6 5. Bc3 Bh6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. Ne2 b5 9. b3 O-O 10. Ng3 Qc7
1967 POL Ch 24th – Round 11 – Dobrzynski, Wojciech – 1-0 – Gromek, Jozef – G22 1. d4 c5 2. d5 g6 3. e4 Bg7 4. Nf3 d6 5. Be2 e5 6. Nc3 Ne7 7. h4 h5 8. Ng5 Nd7 9. a4 Nf6 10. a5 Bd7
1967 Sarajevo it – Round 3 – Bogdanovic, Radivoje – 0-1 – Stein, Leon Rico – G6 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. d5 d6 5. c3 Nf6 6. Bd3 O-O 7. O-O e6 8. dxe6 Bxe6 9. Bg5 h6 10. Bh4 Nc6
1967 Sweden (ch) – Round 14 – Skold, Kristian – 0-1 – Nilsson, Zandor – G70 1. d4 g6 2. e4 Bg7 3. Nc3 c5 4. d5 d6 5. f4 a6 6. a4 e5 7. dxe6 Bxe6 8. Nf3 h6 9. Be3 Nc6 10. Be2 Nge7
1968 Alma Ata ch-URS – Round 11 – Nikitin, A. – 0-1 – Tal, Mikhail – G97 1. d4 g6 2. e4 Bg7 3. Nc3 c5 4. d5 d6 5. Be2 Na6 6. Nf3 Nc7 7. O-O Nf6 8. Nd2 O-O 9. a4 a6 10. Re1 Bd7
1968 Lugano ol (Men) – Round 1 – Johansson, Martin 1979 – 0-1 – Camara, Helder – G26 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. d5 d6 5. Nc3 Na6 6. Be2 Nc7 7. O-O Nf6 8. a4 O-O 9. Bg5 Rb8 10. Qd2 b6
1968 Palma de Mallorca – Round 6 – Gligorić, Svetozar – 1-0 – Calvo José Minguez, Ricardo – G54 1. d4 c5 2. d5 d6 3. e4 g6 4. Nf3 Bg7 5. Be2 Na6 6. O-O Nc7 7. c4 a6 8. Nc3 Rb8 9. Bf4 f6 10. Rb1 Nh6
1969 Buesum – Round 14 – Larsen, Bent Ravn – 1-0 – Szabo, Laszlo – G61 1. Nf3 g6 2. d4 c5 3. d5 Bg7 4. e4 d6 5. Be2 Na6 6. O-O Nc7 7. Nc3 a6 8. a4 Nf6 9. Nd2 Bd7 10. e5 dxe5
1969 Mar del Plata zt – Round 1 – Panno, Oscar – 1-0 – Schweber, Samuel – G8 1. d4 c5 2. d5 d6 3. e4 g6 4. Nf3 Bg7 5. Be2 Bg4 6. Nfd2 Bxe2 7. Qxe2 e5 8. Qb5+ Qd7 9. Nc4 Ke7 10. Nc3 Nf6
Rio de Janeiro Interzonal 1979 – Round 12 – Balashov, Yuri S – 1/2-1/2 – Velimirovic, Dragoljub – G35 1. d4 c5 2. d5 d6 3. Nc3 g6 4. e4 Bg7 5. Be2 Na6 6. Nf3 Nf6 7. Nd2 Nc7 8. a4 a6 9. O-O Bd7 10. Nc4 b5
World Blitz 2021 – Round 4.38 – Paravyan, David – 0-1 – Shoker, Samy – G226 1. e4 g6 2. d4 Bg7 3. Nf3 c5 4. d5 d6 5. Bb5+ Bd7 6. a4 Na6 7. O-O Nc7 8. Bc4 a6 9. a5 Bb5 10. Na3 Nf6
World Blitz 2023 – Round 16.18 – Andreikin, Dmitry – 1/2-1/2 – Pantsulaia, Levan – G907 1. d4 c5 2. d5 g6 3. e4 Bg7 4. Nf3 d6 5. Bb5+ Bd7 6. a4 Nf6 7. Nc3 Bxb5 8. axb5 O-O 9. O-O Nbd7 10. h3 Ne8
World Blitz Final 2012 – Round 18 – Topalov, Veselin – 1-0 – Kotsur, Pavel – G135 1. d4 c5 2. d5 d6 3. e4 g6 4. Bb5+ Bd7 5. a4 Bg7 6. Nf3 Nf6 7. Nbd2 O-O 8. O-O Na6 9. Re1 Nc7 10. Bf1 e6

A43t — Schmidt

1.d4 c5 2.d5 d6 3.e4 g6

Eval: [+0.73]

Les coups candidats

4.Nc3 — 33.2% (315 parties)

Ambassadeurs : Snape, Ian L (6x), Stukopin, Andrey (5x), Moser, Emily (5x), Puranen, Jukka (5x), Grahesh Y (5x), De Vleeschauwer, Maarten (3x), Eliseev, Urii (3x), Petrov, Marian (3x)

4.Nf3 — 23.9% (227 parties)

Ambassadeurs : Puranen, Jukka (16x), Stukopin, Andrey (4x), Schmid, Lothar (3x), Schmid, Leo (3x), Tal, Mikhail (3x), Moser, Emily (3x), Flitsch, Günther (3x), Lagergren, Henry (3x)

4.c4 — 17.6% (167 parties)

Ambassadeurs : Petrov, Marian (4x), Lagergren, Henry (3x), Snape, Ian L (3x), Muller, Hans P (2x), Kaeser, Udo, Dr. (2x), Malakhatko, Vadim (2x), Kaczmarek, Aleksander (2x), Bodrogi, Mihaly (2x)

4.f4 — 6.2% (59 parties)

Ambassadeurs : Schmid, Lothar (2x), Van Scheltinga, Theo (2x), Rossetto, Hector (2x), Leisebein, Peter (2x), Cohn, Erich (1x), Mieses, Julio Cesar (1x), Gruenfeld, Ernst (1x), Gruber, Theodor (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	4.Nc3	4.Nf3	4.c4	4.f4
<1800	24	29%	33%	25%	—
1800-2200	312	30%	21%	19%	8%
2200-2600	390	37%	25%	18%	3%
2600+	6	50%	17%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	4.Nc3	4.Nf3	4.c4	4.f4
1900s	5	—	—	—	20%
1910s	9	—	11%	—	33%
1920s	3	—	—	—	67%
1930s	2	—	50%	—	—
1940s	1	—	100%	—	—
1950s	39	36%	15%	15%	15%
1960s	41	22%	39%	10%	5%
1970s	26	31%	42%	15%	—
1980s	41	41%	27%	15%	7%
1990s	123	33%	26%	17%	6%
2000s	212	31%	23%	20%	7%
2010s	375	36%	23%	18%	3%
2020s	71	34%	20%	21%	10%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
4.Nc3	36%	34%	▼ -2.5%
4.Nf3	23%	20%	▼ -2.9%
4.c4	18%	21%	▲ +3.0%
4.f4	3%	10%	▲ +6.4%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 6 parties
Lasker, Emanuel — 1 partie
Botvinnik, Mikhail — 1 partie

Parties historiques

4.Nc3 — 33.2% (315 parties)

1952 — Bozic, Aleksandar vs Fuderer, Andrija — 0-1 — Belgrade SRB
1953 — Vidmar Milan vs Fuderer, Andrija — 0-1 — Opatija
1954 — Kahn, Manfred vs Platz, Hans — 1/2-1/2 — Meerane
1954 — Rabar, Braslav vs Lehmann, Karl-Heinz — 1-0 — Munich zt Munich GER
1955 — Vospernik, Zdravko vs Gligorić, Svetozar — 0-1 — Novi Sad SRB

4.Nf3 — 23.9% (227 parties)

1913 — Olland, Adolf George vs Mieses, Jacques — 1/2-1/2 — Scheveningen NED
1938 — Kruijer, Cornelius vs Schlage, Willi — 1/2-1/2 — Krefeld GER
1948 — Teschner, Rudolf vs Schmid, Lothar — 1/2-1/2 — GER-ch Essen GER
1954 — Gligoric, Svetozar vs Schmid, Lothar — 1/2-1/2 — Ruesselsheim
1954 — Bolbochan, Julio vs Schmid, Lothar — 1-0 — Amsterdam NED

4.c4 — 17.6% (167 parties)

1951 — Krause, Kurt vs Mueller, Claus — 1/2-1/2 — Schwerin GER
1952 — Cruz, Walter vs Rossetto, Hector — 1/2-1/2 — Rio de Janeiro BRA
1958 — Bisguier, Arthur B vs Schmid, Leo — 0-1 — Munchen olm
1958 — Golz, Werner vs Raetsch, Heinz — 0-1 — GDR-ch Schkopau GER
1959 — Lemaire, Robert vs Schumacher, Helmut — 1/2-1/2 — Blankenberge

4.f4 — 6.2% (59 parties)

1908 — Duz-Khotimirsky, Fedor Ivanovich vs Treybal, Frantisek — 1-0 — Prague CZE
1912 — Cohn, Erich vs Mieses, Julio Cesar — 1-0 — Breslau GER
1912 — Ottensooser vs Hromadka, Karel — 1/2-1/2 — Breslau GER
1919 — Gargulak Metodej vs Weiss, Arnold — 1-0 — ?
1920 — Gruenfeld, Ernst vs Gruber, Theodor — 1-0 — Vienna AUT

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