A03a — Bird: Lasker, 3…g6

1.f4 d5 2.Nf3 Nf6 3.e3 g6 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. b3 (Préparer le fianchetto — 35 % des parties) ; Be2 (Fou actif (mobilité 5), Développer f1 — 26 % des parties) ; d4 (Occuper le centre — 17 % des parties) ; b4 (Expansion aile dame — 11 % des parties) ; c4 (Frapper le centre adverse — 7 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Bg7 (Fianchetto, fou sur la grande diagonale — 94 % des parties) ; ...c6 (Renforcer le centre — 2 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● d2→e3, e3→f4	● f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (2v0), ● e5 (2v0), ● g5 (2v0)	● e4 (2v0), ● g4 (2v0), ● f5 (2v0)
Cases faibles	—	—
Centre	● d4 (2v0), ● e5 (2v0)	● d5 (2v0), ● e4 (2v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
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	5 (● b1, ● c1, ● f1, ● a1, ● h1)	5 (● b8, ● 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	mobile
Ruptures	● c2-c4, ● e3-e4, ● f4-f5	● …d5-d4, ● …e7-e5

Partie
1927 London Olympiad 1st – Round 6.33 – Romih, Massimo – 1-0 – Vukovic, Vladimir – G60 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. b3 Bg7 5. Bb2 O-O 6. c4 c6 7. d4 Bg4 8. Nbd2 Ne4 9. Be2 Qa5 10. O-O Nc3
1928 The Hague ol (Men) – Round 16 – Stahlberg, Gideon – 0-1 – Maderna, Carlos – G97 1. f4 d5 2. e3 Nf6 3. Nf3 g6 4. b3 Bg7 5. Bb2 c5 6. Bb5+ Bd7 7. Qe2 a6 8. Bxd7+ Nbxd7 9. d3 O-O 10. e4 d4
1928 Trencianske Teplice SVK – Round 6 – Hromadka, Karel – 1-0 – Walter, Max – G9 1. f4 d5 2. e3 Nf6 3. Nf3 g6 4. c4 e6 5. Nc3 Bg7 6. Be2 c5 7. Ne5 Nbd7 8. d4 cxd4 9. exd4 dxc4 10. Bxc4 O-O
1935 Moscow – Round 1 – Menchik, Vera Frantsevna – 0-1 – Spielmann, Rudolf – G8 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. d4 Bg7 5. Bd3 O-O 6. O-O c5 7. c3 b6 8. Qe2 Bb7 9. b3 Ne4 10. Bb2 Nd7
1936 Nottingham – Round 1 – Tartakower, Savielly – 1-0 – Thomas, George Alan – G52 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. Be2 Bg7 5. O-O c5 6. d3 Nc6 7. Qe1 Qc7 8. Nc3 a6 9. e4 d4 10. e5 dxc3
1936 Podebrady – Round 1 – Hromadka, Karel – 1-0 – Kubanec – G25 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. c4 Bg7 5. Nc3 c5 6. cxd5 Nxd5 7. Qb3 Nc7 8. Bc4 O-O 9. Ne4 b6 10. Neg5 e6
1936 UJCS-14.Kongress – Round 1 – Hromadka, Karel – 1-0 – Hadac, Pavel – G4 1. f4 d5 2. Nf3 2. ... Nf6 3. e3 g6 4. c4 Bg7 5. Nc3 c5 6. cxd5 Nxd5 7. Qb3 Nxc3 8. bxc3 O-O 9. Be2 Qc7 10. O-O Be6
1936 UJCS-14.Kongress – Round 7 – Kubanek, Jindrich – 0-1 – Olexa, Vilem – G18 1. f4 Nf6 2. Nf3 d5 3. e3 g6 4. b3 Bg7 5. Bb2 O-O 6. g3 c5 7. Bg2 Nc6 8. O-O d4 9. exd4 cxd4 10. Na3 Bf5
1936 Zandvoort – Round 8 – Tartakower, Savielly – 1/2-1/2 – Maroczy, Geza – G52 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. Be2 Bg7 5. O-O O-O 6. d3 c5 7. Qe1 Nc6 8. Bd1 Qc7 9. e4 dxe4 10. dxe4 e5
1937 Tbilisi ch-URS – Round 1 – Kasparian, Genrikh – 1/2-1/2 – Ebralidze, Alexandre – G127 1. f4 d5 2. e3 Nf6 3. Nf3 g6 4. Be2 Bg7 5. O-O O-O 6. Qe1 c5 7. d3 Nc6 8. Bd1 b6 9. Qh4 e6 10. g4 Ba6
1938 URS Ch, semi final – Round 1 – David Agot Maleer – 0-1 – Ilyin Zhenevsky, Alexander – G73 1. f4 Nf6 2. Nf3 d5 3. e3 g6 4. b3 Bg7 5. Bb2 O-O 6. Be2 c5 7. O-O Nc6 8. Ne5 Nd7 9. Nxc6 bxc6 10. Bxg7 Kxg7
1938 USA Ch – Round 14 – Santasiere, Anthony – 1/2-1/2 – Reinfeld, Fred – G41 1. f4 d5 2. e3 Nf6 3. Nf3 g6 4. Be2 Bg7 5. O-O O-O 6. Ne5 Nbd7 7. Bf3 c5 8. d4 e6 9. c4 dxc4 10. Na3 cxd4
1939 Buenos Aires ol f-A – Round 5 – Tartakower, Savielly – 1/2-1/2 – Stahlberg, Gideon – G100 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. Be2 Bg7 5. O-O O-O 6. Qe1 c5 7. Ne5 Nc6 8. Bf3 Qc7 9. Nxc6 bxc6 10. Nc3 c4
1942 Mar del Plata – Round 10 – Pelikan, Jan – 0-1 – Stahlberg, Gideon – G86 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. Be2 Bg7 5. O-O O-O 6. Qe1 c5 7. d3 Nc6 8. Bd1 b6 9. Qh4 c4 10. dxc4 dxc4
1943 Mar del Plata – Round 4 – Pelikan, Jan – 0-1 – Maderna, Carlos – G35 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. Be2 Bg7 5. O-O c5 6. d3 Nc6 7. Qe1 O-O 8. Qh4 Qb6 9. Nc3 d4 10. Nd1 Nb4
1943 Mar del Plata – Round 6 – Pelikan, Jan – 1/2-1/2 – Rossetto, Hector – G47 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. Be2 Bg7 5. O-O c5 6. d3 Nc6 7. Qe1 O-O 8. Qh4 Qb6 9. Ne5 Nxe5 10. fxe5 Nd7
1943 Mar del Plata – Round 8 – Pelikan, Jan – 1-0 – Czerniak, Magdalena – G59 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. Be2 Bg7 5. O-O O-O 6. d3 c5 7. Qe1 Nc6 8. Qh4 Qb6 9. Kh1 Bg4 10. Nc3 d4
1943 Zlin – Round 7 – Hromadka, Karel – 0-1 – Foltys, Jan – G47 1. f4 d5 2. e3 Nf6 3. Nf3 g6 4. b3 Bg7 5. Bb2 O-O 6. Be2 c5 7. O-O Nc6 8. Ne5 Qc7 9. Nxc6 Qxc6 10. d3 b6
1945 Buenos Aires Circulo – Round 2 – Pelikan, Jan – 1-0 – Maderna, Carlos – G9 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. d4 Bg7 5. Bd3 O-O 6. O-O c5 7. c3 Nc6 8. Nbd2 Qb6 9. Qe1 Bd7 10. Kh1 e6
1945 URS-sf – Round 7 – Kamishov, Mikhail P – 0-1 – Alatortsev, Vladimir N. – G29 1. f4 d5 2. e3 Nf6 3. Nf3 g6 4. d4 Bg7 5. Be2 O-O 6. O-O c5 7. c3 b6 8. Ne5 Ba6 9. Nd2 Qc8 10. Bxa6 Nxa6
1946 Mar del Plata – Round 14 – Rocas, Orlando – 0-1 – Reinhardt, Enrique – G128 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. d4 Bg7 5. Bd3 O-O 6. Nbd2 c5 7. c3 b6 8. Ne5 Qc7 9. O-O Bb7 10. Qf3 Nc6
1946 Mar del Plata – Round 4 – Rocas, Orlando – 0-1 – Najdorf, Miguel – G56 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. d4 Bg7 5. Bd3 O-O 6. Nbd2 c5 7. c3 Qc7 8. Ne5 Nc6 9. O-O Rb8 10. Qe2 a6
1947 Aalborg – Round 9 – Christensen, Alfred – 1-0 – Poulsen, Christian – G30 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. d4 c5 5. c3 Nc6 6. Nbd2 Bg4 7. Bd3 e6 8. O-O Qc7 9. Qa4 Bxf3 10. Nxf3 Nd7
1948 Buenos Aires – Round 1 – O'Kelly de Galway, Alberic – 1-0 – Acharam Medina, Sebastian Alejandro – G2 1. e3 Nf6 2. f4 d5 3. Nf3 g6 4. Be2 Bg7 5. O-O O-O 6. Qe1 c5 7. d4 b6 8. c3 Ba6 9. Bxa6 Nxa6 10. Nbd2 Qc8
1949 GER Ch 13th – Round 5 – Brinckmann, Alfred – 0-1 – Rellstab, Ludwig – G15 1. f4 d5 2. e3 Nf6 3. Nf3 g6 4. c4 Bg7 5. Nc3 O-O 6. Be2 c5 7. cxd5 Nxd5 8. O-O Nc6 9. Qe1 e5 10. fxe5 Nxe5
1949 GER Ch Bad Pyrmont GER – Round ? – Brinckmann, Alfred – 1-0 – Nonnenmacher, Thomas – G10 1. f4 d5 2. e3 Nf6 3. Nf3 g6 4. c4 c6 5. Nc3 Bg7 6. Be2 O-O 7. O-O Nbd7 8. d4 e6 9. b3 Re8 10. Bb2 Ng4
1950 Dubrovnik olm – Round 9 – Tartakower, Savielly – 1/2-1/2 – Castillo Bermudez, Manuel – G133 1. f4 d5 2. e3 Nf6 3. Nf3 g6 4. d4 Bg7 5. Bd3 O-O 6. O-O c5 7. c3 Qc7 8. Qe1 b6 9. Qh4 Nc6 10. Nbd2 Ng4
1950 USSR – Round 1 – Eret, Jaroslav – 0-1 – Ujtelky, Maximilian – G10 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. b3 Bg7 5. Bb2 O-O 6. c4 c6 7. Ne5 Ng4 8. Be2 Nxe5 9. fxe5 Nd7 10. d4 f6
1951 Staunton Memorial – Round 3 – Tartakower, Savielly – 0-1 – Pirc, Vasja – G26 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. b3 Bg7 5. Bb2 O-O 6. Be2 c5 7. O-O Nc6 8. Ne5 Bd7 9. d3 d4 10. Nxd7 Nxd7
1952 Belgrade – Round ? – Lob, Chris – 0-1 – Golombek, Harry – G36 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. Nc3 Bg7 5. Ne2 O-O 6. b3 c5 7. Bb2 Nc6 8. Ng3 d4 9. c4 dxe3 10. dxe3 Qa5+
1952 Helsinki olm – Round 1 – Pirc, Vasja – 0-1 – Byrne, Ray – G202 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. b3 Bg7 5. Bb2 O-O 6. Be2 c5 7. O-O b6 8. Ne5 Bb7 9. d3 Nc6 10. Bf3 Qc7
1952 Helsinki olm – Round 1 – Pirc, Vasja – 1/2-1/2 – Rellstab, Ludwig – G201 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. b3 Bg7 5. Bb2 O-O 6. Be2 c5 7. O-O Nc6 8. Ne5 Qd6 9. Nxc6 Qxc6 10. Qe1 Bg4
1952 JUG Ch – Round 4 – Pirc, Vasja – 1/2-1/2 – Andric, Dragoslav – G26 1. f4 Nf6 2. Nf3 d5 3. e3 g6 4. b3 Bg7 5. Bb2 O-O 6. Be2 c5 7. O-O Nc6 8. Ne5 Qd6 9. Nc3 Nxe5 10. Nb5 Qb6
1952 Miedzyzdroje – Round 3 – Szabo, Stefan – 0-1 – Tarnowski, Alfred – G17 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. b3 Bg7 5. Bb2 O-O 6. Be2 c5 7. O-O Nc6 8. Ne5 Qc7 9. Nxc6 Qxc6 10. Be5 Ne4
1952 Paignton Premier 2nd – Round 2 – Wood, Baruch – 0-1 – Yanofsky, Daniel Abraham – G5 1. f4 d5 2. e3 Nf6 3. Nf3 g6 4. b3 Bg7 5. Bb2 c5 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. d3 O-O 9. Nbd2 d4 10. e4 Ng4
1952 Tatranska ch CZE – Round 9 – Kottnauer, Cenek – 1/2-1/2 – Filip, Miroslav – G25 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. b3 Bg7 5. Bb2 O-O 6. Be2 c5 7. O-O Nc6 8. Ne5 Nxe5 9. Bxe5 Ne8 10. Bxg7 Nxg7
1953 HUN Ch Budapest HUN – Round 1 – Laszlo, Csaba – 0-1 – Navarovszky, Laszlo – G35 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. b3 Bg7 5. Bb2 O-O 6. Be2 c5 7. O-O Nc6 8. Ne5 Qc7 9. Nxc6 Qxc6 10. Bf3 Qd7
1953 Opatija – Round 1 – Pirc, Vasja – 1-0 – Kupper, Josef – G15 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. b3 Bg7 5. Bb2 O-O 6. Be2 c5 7. O-O b6 8. Ne5 Bb7 9. Qe1 Nfd7 10. Bf3 Qc7
1953 Opatija – Round 17 – Beni, Alfred – 1/2-1/2 – Golombek, Harry – G125 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. b3 Bg7 5. Bb2 O-O 6. Be2 c5 7. O-O Nc6 8. d3 Ng4 9. Bxg7 Kxg7 10. Qc1 d4
1953 POL-ch11 – Round 1 – Miesowicz, Adam – 1-0 – Doda, Zbigniew – G8 1. f4 d5 2. e3 Nf6 3. Nf3 g6 4. b3 Bg7 5. Bb2 O-O 6. Be2 c5 7. O-O Nc6 8. Ne5 Qc7 9. Nxc6 Qxc6 10. d3 b5
1953 Wch U20 qual – Round 7 – Persitz, Raaphi – 1/2-1/2 – Farre Mallofre, Miguel – G25 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. b3 Bg7 5. Bb2 c5 6. Bb5+ Bd7 7. Qe2 a6 8. Bxd7+ Nbxd7 9. O-O O-O 10. c4 e6
1955 Buenos Aires – Round 16 – Pelikán, Jiří – 0-1 – Guimard, Carlos E – G17 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. d3 Bg7 5. Be2 O-O 6. O-O c5 7. a4 Nc6 8. Na3 Nd7 9. e4 dxe4 10. dxe4 Nf6
1955 Buenos Aires – Round 8 – Pelikán, Jiří – 0-1 – Reinhardt, Enrique – G13 1. f4 Nf6 2. Nf3 d5 3. e3 g6 4. Be2 Bg7 5. O-O O-O 6. d3 c5 7. a4 Nc6 8. Qe1 Bg4 9. Qg3 Qc7 10. Nc3 Nb4
1955 Erfurt – Round 2 – Franz, Joachim – 1/2-1/2 – Padevsky, Nikola – G22 1. f4 d5 2. e3 Nf6 3. Nf3 g6 4. b3 Bg7 5. Bb2 O-O 6. Be2 c5 7. O-O Nc6 8. Ne5 Qc7 9. Nxc6 Qxc6 10. Bf3 Be6
1955 Marshall CC Ch 5556 – Round 15 – Santasiere, Anthony – 1-0 – Dunst, Theodore Alexander – G40 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. Be2 Bg7 5. O-O O-O 6. Ne5 c5 7. Bf3 Nbd7 8. Qe2 Nxe5 9. fxe5 Ne8 10. d4 Nc7
1956 CSR Ch sf – Round 11 – Mutina, Antonin – 0-1 – Fichtl, Jiri – G17 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. b3 Bg7 5. Bb2 O-O 6. Be2 c5 7. O-O d4 8. Qc1 Nc6 9. Bb5 Nd5 10. Bxc6 bxc6
1956 Mar del Plata – Round 14 – Redolfi, Argentino Rodolfo – 1/2-1/2 – Pelikán, Jiří – G76 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. d3 Bg7 5. Be2 O-O 6. O-O c5 7. a4 b6 8. Qe1 Bb7 9. Qh4 e6 10. Nbd2 Nc6
1956 Stevenson Memorial 4th – Round 5 – Pirc, Vasja – 1-0 – Golombek, Harry – G8 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. b3 Bg7 5. Bb2 O-O 6. Be2 c5 7. O-O Nc6 8. Ne5 Qc7 9. Nc3 a6 10. Nxc6 Qxc6
1958 Mar del Plata – Round 8 – Pelikan, Jan – 1/2-1/2 – Behrensen, Joern – G62 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. Be2 Bg7 5. O-O O-O 6. d3 b6 7. Qe1 Bb7 8. Nbd2 Nbd7 9. Qh4 e6 10. g4 Ne8
1958 Munich olm fin-B – Round 9 – Prins, Lodewijk – 1-0 – Jonsson, Johannes G – G18 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. Be2 Bg7 5. O-O O-O 6. d3 c5 7. Qe1 Nc6 8. Nc3 d4 9. Na4 Nd7 10. exd4 cxd4
1958 Portoroz Interzonal – Round 7 – Larsen, Benjamin Holsko – 1/2-1/2 – Benko, Pal – G68 1. f4 Nf6 2. Nf3 g6 3. e3 d5 4. d3 Bg7 5. Be2 O-O 6. O-O c5 7. Qe1 Nc6 8. Qh4 b6 9. Nbd2 Ba6 10. Ne5 Nxe5
1958 URS Ch sf – Round ? – Katalymov, Boris – 0-1 – Byvshev, Vasily – G80 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. b3 Bg7 5. Bb2 O-O 6. Be2 c5 7. O-O Nc6 8. Qe1 Bf5 9. Bd1 Rc8 10. Qh4 d4
1959 Alekhine Memorial – Round 3 – Larsen, Benjamin Holsko – 1/2-1/2 – Simagin, Vladimir – G17 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. b4 Bg7 5. Bb2 O-O 6. Be2 a5 7. b5 c5 8. bxc6 bxc6 9. O-O Nbd7 10. Na3 Ne8
1959 Wch U20 fin-A – Round 10 – Rumens, David E – 1/2-1/2 – Naranja, Renato – G38 1. f4 Nf6 2. Nf3 d5 3. e3 g6 4. b3 Bg7 5. Bb2 O-O 6. Be2 b6 7. O-O Bb7 8. Qe1 c5 9. Qh4 Nbd7 10. d3 Qc7
1959 York ch-BCF – Round 5 – Parr, Frank – 0-1 – Green, Arnold Yorvath – G67 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. Be2 Bg7 5. O-O O-O 6. Qe1 c5 7. d4 Qc7 8. c3 Nc6 9. Qh4 Rb8 10. Bd3 Bf5
1960 Sarajevo – Round 11 – Larsen, Benjamin Holsko – 0-1 – Udovcic, Mijo – G59 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. b4 Bg7 5. Bb2 O-O 6. Be2 Bg4 7. O-O Nbd7 8. Na3 c6 9. c4 e6 10. h3 Bxf3
1961 Buenos Aires ch-ARG – Round 13 – Alonso-Lej De Las Casas, Fernando – 0-1 – Bazan, Osvaldo – G81 1. f4 Nf6 2. Nf3 d5 3. e3 g6 4. b3 Bg7 5. Bb2 O-O 6. Be2 c5 7. O-O Nc6 8. Qc1 Qc7 9. Ne5 Rd8 10. Bf3 b6
1962 BRA Ch – Round 5 – Stenzel, Erbo – 0-1 – Mangini, Jose Henrique de Mello – G12 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. Be2 Bg7 5. d3 O-O 6. O-O c5 7. c4 dxc4 8. dxc4 Nc6 9. Nc3 Bf5 10. Nd2 Bd3
1962 Sweden – Round 1 – Ekenberg, Bengt – 1-0 – Kinnmark, Ove – G35 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. b3 Bg7 5. Bb2 O-O 6. Be2 c5 7. O-O Nc6 8. Ne5 Qc7 9. Bf3 e6 10. Nc3 Nxe5
1963 Corr – Round 1 – Korning, Peter – 1-0 – Sterud, Edvard – G1 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. d4 Bg7 5. Bd3 O-O 6. O-O c5 7. c3 b6 8. Nbd2 Ba6 9. Bxa6 Nxa6 10. Ne5 Ne4
1963 Halle zt – Round 1 – Larsen, Benjamin Holsko – 0-1 – Donner, H. – G108 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. b4 Bg7 5. Bb2 O-O 6. Be2 b6 7. O-O Bb7 8. Na3 Nbd7 9. c4 c5 10. bxc5 Nxc5
1963 Sweden – Round 4 – Burehall, Arne – 1/2-1/2 – Lundin, Erik – G14 1. f4 d5 2. e3 Nf6 3. Nf3 g6 4. b4 Bg7 5. Bb2 O-O 6. Be2 a5 7. b5 c5 8. O-O Bg4 9. c4 e6 10. Qc2 Nbd7
1964 Amsterdam Interzonal – Round 22 – Larsen, Benjamin Holsko – 1-0 – Spassky, Boris V. – G230 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. b4 Bg7 5. Bb2 O-O 6. Be2 Bg4 7. O-O c6 8. a4 Nbd7 9. Na3 Bxf3 10. Bxf3 Re8
1964 Capablanca Memorial – Round 16 – Santa Cruz Beneito, Hugo – 1/2-1/2 – Rossetto, Hector – G165 1. f4 d5 2. e3 Nf6 3. Nf3 g6 4. d4 Bg7 5. Bd3 c5 6. c3 O-O 7. O-O b6 8. Ne5 e6 9. Nd2 Ba6 10. Qe2 Bxd3
1964 Hoogovens – Round 1 – Larsen, Benjamin Holsko – 1-0 – Van Scheltinga, Theo – G47 1. f4 Nf6 2. Nf3 d5 3. e3 g6 4. Be2 Bg7 5. O-O O-O 6. d3 b6 7. a4 Bb7 8. Qe1 c5 9. Nbd2 Nc6 10. Qh4 e6
1965 BRA Ch 32th – Round 8 – Stenzel, Erbo – 0-1 – De Souza Mendes, Joao – G27 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. c4 c6 5. Nc3 Bg7 6. Be2 O-O 7. O-O Nbd7 8. d4 Nb6 9. c5 Nbd7 10. Ne5 Nxe5
1965 CAN Ch – Round 2 – Veszely, Frank – 0-1 – Yanofsky, Daniel Abraham – G2 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. d4 Bg7 5. Bd3 c5 6. c3 Qc7 7. Ne5 Nc6 8. O-O O-O 9. Nd2 Ne8 10. Ndf3 Nd6
1965 Hamburg etc – Round 5 – Ivkov, Borislav – 1/2-1/2 – Unzicker, Wolfgang – G96 1. f4 Nf6 2. Nf3 d5 3. e3 g6 4. b4 Bg7 5. Bb2 O-O 6. a4 Nbd7 7. Be2 c5 8. bxc5 Nxc5 9. O-O Bd7 10. a5 Rc8
1965 It II Beverwijk NED – Round 7 – Kieninger, Georg – 1/2-1/2 – Gereben, Erno – G22 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. b3 Bg7 5. Bb2 O-O 6. Be2 c5 7. O-O b6 8. Qe1 Bb7 9. Qh4 d4 10. exd4 cxd4
1965 Pardubice – Round 14 – Blatny, Frantisek – 1/2-1/2 – Hora, Vratislav – G91 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. b3 Bg7 5. Bb2 O-O 6. Be2 c5 7. O-O Nc6 8. Ne5 d4 9. Nxc6 bxc6 10. Qc1 Bg4
1965 SWE Ch – Round 13 – Ekenberg, Bengt – 0-1 – Krantz, Kjell – G43 1. f4 Nf6 2. Nf3 d5 3. e3 g6 4. Be2 Bg7 5. O-O O-O 6. d3 c5 7. a4 Nc6 8. Na3 b6 9. c3 Bb7 10. Qe1 Rc8
1965 USSR – Round 1 – Damsky – 0-1 – Nezhmetdinov, Rashid – G27 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. b3 Bg7 5. Bb2 O-O 6. Nc3 c5 7. Bd3 Nc6 8. O-O Nb4 9. Qe2 b6 10. Nd1 Nxd3
1966 Aarhus – Round 4 – Blom, Kaj – 0-1 – Andersen, Borge – G33 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. Be2 Bg7 5. O-O O-O 6. d3 c6 7. Nc3 b5 8. Qe1 Qb6 9. Nd1 Bg4 10. Qh4 Nbd7
1966 Bucharest Bucharest ROM – Round 7 – Partos, Charles – 1/2-1/2 – Neamtu, Serban-Constantin – G17 1. f4 Nf6 2. Nf3 d5 3. e3 g6 4. b3 Bg7 5. Bb2 O-O 6. Be2 c5 7. O-O Nc6 8. Ne5 Qc7 9. Nxc6 Qxc6 10. Bf3 Be6
1966 La Habana olm fin-C – Round 5 – Dietrich Norbert – 0-1 – Romani, Elio – G16 1. f4 Nf6 2. Nf3 d5 3. e3 g6 4. b4 Bg7 5. Bb2 Bg4 6. Be2 Bxf3 7. Bxf3 c6 8. O-O Qb6 9. a3 Nbd7 10. Bd4 Qc7
1967 DEN Ch – Round 4 – Blom, Kaj – 1/2-1/2 – Andersen, Borge – G15 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. b3 Bg7 5. Bb2 O-O 6. Be2 c5 7. O-O d4 8. exd4 Ne8 9. Ne5 cxd4 10. Bf3 Nd7
1967 Harrachov – Round 9.4 – Kolbak, Jens – 1-0 – Schoeneberg, Manfred – G134 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. b4 Bg7 5. Bb2 O-O 6. Be2 Bg4 7. O-O Qd6 8. b5 c5 9. a4 Bxf3 10. Bxf3 Nbd7
1967 Sousse Interzonal – Round 11 – Ivkov, Borislav – 1-0 – Cuellar Alpire, Mariana – G102 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. b4 Bg7 5. Bb2 O-O 6. Be2 a5 7. b5 a4 8. O-O c6 9. Na3 Bg4 10. c4 e6
1968 Lugano ol (Men) qual-D – Round 1 – Wyss Roberto – 0-1 – Reilly, Brian – G19 1. f4 Nf6 2. e3 d5 3. Nf3 g6 4. b3 Bg7 5. Bb2 O-O 6. c4 c6 7. h3 Nbd7 8. Be2 Nc5 9. cxd5 cxd5 10. Ne5 Nfe4
1972 Skopje ol (Men) fin-A – Round 12 – Ljubojevic, Ljubomir – 1-0 – Tringov, Georgi P – G365 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. b3 Bg7 5. Bb2 O-O 6. Be2 c5 7. O-O Nc6 8. Ne5 Nxe5 9. fxe5 Nd7 10. d4 Nb8
World Blitz 2017 – Round 12.31 – Adhiban, B. – 0-1 – Georgiev, Kiril – G625 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. Be2 Bg7 5. O-O O-O 6. d3 c5 7. Nc3 Nc6 8. Ne5 Qc7 9. Nxc6 Qxc6 10. Bf3 Rd8
World Blitz 2017 – Round 14.36 – Adhiban, B. – 1-0 – Sargissian, Gabriel – G739 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. Be2 Bg7 5. O-O O-O 6. d3 c5 7. Nc3 Nc6 8. Ne5 Qc7 9. Nxc6 Qxc6 10. Bf3 Rd8
World Blitz 2017 – Round 2.8 – Fedoseev, Vladimir – 0-1 – Yu, Yangyi – G119 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. b4 Bg7 5. Bb2 O-O 6. a4 c6 7. c4 Bg4 8. Na3 Nbd7 9. Be2 a5 10. b5 Nb6
World Blitz 2019 – Round 8.21 – Amin, Bassem – 1-0 – Ganguly, Surya Shekhar – G532 1. f4 d5 2. Nf3 Nf6 3. e3 g6 4. Be2 Bg7 5. O-O O-O 6. d3 c5 7. Qe1 Nc6 8. Kh1 b6 9. Ne5 Bb7 10. Bf3 e6

A03a — Lasker (1927)

1.f4 d5 2.Nf3 Nf6 3.e3 g6

Les coups candidats

4.b3 — 35.3% (1085 parties)

Ambassadeurs : Heinola, Kari P. (16x), Hanegby, Avigdor (14x), Abdi, Andreas (7x), Chura, Michal (7x), Pirc, Vasja (6x), Dierkes, Heinrich (4x), Antonio, Conceicao (4x), Richard, Andy (4x)

4.Be2 — 25.6% (785 parties)

Ambassadeurs : Hayward, Keith (50x), Bester, Kazimierz (21x), Abdi, Andreas (11x), Bohn, Thomas, Dr. (11x), Schmidt-Schaeffer, Sebastian, Dr. (10x), Bryntse, Arne (8x), Richard, Andy (8x), Hayward, Alan (5x)

4.d4 — 16.6% (510 parties)

Ambassadeurs : Costa Trave, Jaume (12x), Sanz Perez, Eduardo (6x), Korning, Peter (5x), Javor, Sandor (5x), Kasanicky, Richard (4x), Nowak, Andrzej (4x), Fiedler, Wolfgang (4x), Roynet, Sylvie (4x)

4.b4 — 11.2% (343 parties)

Ambassadeurs : Kaminski, Janusz (11x), Fagerbekk, Egil (8x), Hess, Helmut (6x), Babb, Jeff (6x), Larsen, Bent Ravn (5x), Bruce, Robert (5x), Johansson, Kjell-Ake (4x), Babionyshev, Vladimir (4x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	4.b3	4.Be2	4.d4	4.b4
<1800	287	35%	26%	17%	7%
1800-2200	1494	37%	22%	19%	11%
2200-2600	426	27%	31%	18%	15%
2600+	7	—	43%	—	43%

Évolution par décennie (% des parties)

Décennie	N parties	4.b3	4.Be2	4.d4	4.b4
1950s	50	52%	22%	12%	2%
1960s	72	38%	26%	12%	18%
1970s	61	38%	25%	11%	11%
1980s	203	33%	43%	7%	14%
1990s	515	41%	23%	17%	10%
2000s	979	35%	22%	19%	12%
2010s	1012	31%	27%	18%	12%
2020s	179	42%	26%	11%	7%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
4.b3	31%	42%	▲ +11.3%
4.Be2	27%	26%	▼ -1.6%
4.d4	18%	11%	▼ -6.8%
4.b4	12%	7%	▼ -4.4%

Joueurs célèbres

Champions du monde dans cette position

Gukesh D — 1 partie

Parties historiques

4.b3 — 35.3% (1085 parties)

1950 — Hopp, Asher vs Budrich, Edmund — 0-1 — Berlin GER
1950 — Eret, Jaroslav vs Ujtelky, Maximilián Samuel Rudolf — 0-1 — USSR
1951 — Tartakower, Savielly vs Pirc, Vasja — 0-1 — Birmingham ENG
1952 — Mandrov, Dimitar vs Neikirkh, Oleg — 0-1 — Sofia BUL
1952 — Szabo, Stefan vs Tarnowski, Alfred — 0-1 — Miedzyzdroje

4.Be2 — 25.6% (785 parties)

1952 — Korchnoi, Viktor vs Flohr, Salo — 1/2-1/2 — Minsk BLR
1952 — Williams, J Noel vs Guze, Max — 1-0 — Montreal CAN
1954 — Minev, Nikolay N vs Neikirkh, Oleg — 1-0 — BUL-ch m
1954 — Erwin, E. vs Slavich, Jerry — 0-1 — San Luis Obispo, CA
1955 — Pelikan, Jorge vs Reinhardt, Enrique — 0-1 — Buenos Aires ARG

4.d4 — 16.6% (510 parties)

1950 — Tartakower, Savielly vs Castillo Bermudez, Manuel — 1/2-1/2 — Dubrovnik CRO
1950 — Ragozin, Viacheslav vs Panov, Vasily — 1/2-1/2 — Ch URS (1/2 final), Kiev UKR
1954 — Harzer, Paul vs Reichenbach, Werner — 0-1 — Schkopau
1955 — Dunst, Theodore Alexander vs Bernstein, Alexander — 0-1 — New York, NY USA
1958 — Gusev, Aleksandr vs Vikovsky — 1/2-1/2 — Moscow RUS

4.b4 — 11.2% (343 parties)

1959 — Larsen, Bent Ravn vs Simagin, Vladimir — 1/2-1/2 — Moscow RUS
1960 — Larsen, Bent Ravn vs Udovcic, Mijo — 0-1 — Sarajevo BIH
1962 — Larsen, Bent Ravn vs Dely, Peter — 1-0 — Moscow RUS
1963 — Burehall, Arne vs Lundin, Erik — 1/2-1/2 — Sweden
1963 — Larsen, Bent Ravn vs Donner, Jan-Hein — 0-1 — Halle zt

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