Structure de pions
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés
Chaînes ● d2→e3, e3→f4 ● e6→d5, f7→e6
Passés
Majorité
Cases
♔ Blancs ♚ Noirs
Cases fortes ● d4 (2v0), ● e5 (2v0), ● g5 (2v0) ● e4 (2v0)
Cases faibles
Centre ● d4 (2v0), ● e5 (2v0) ● d5 (3v0), ● 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. 1)
Bf8 ● Bf8 Non développé (mob. 5)
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, ● …e6-e5

A03y — Bird: Lasker, 3…e6

1.f4 d5 2.Nf3 Nf6 3.e3 e6 *   ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bN
bB
bQ
bK
bB
bR
bP
bP
bP
bP
bP
bP
bP
bN
bP
Case forte (2v0)
Case forte (2v0)
Case forte (2v0)
wP
wPPion central
wN
wP
wP
wP
wP
wP
wP
wR
wN
wB
wQ
wK
wBFou actif — mobilité 5
wR
abcdefgh
Plans. b3 (Préparer le fianchetto — 68 % des parties) ; Be2 (Fou actif (mobilité 5), Développer f1 — 13 % des parties) ; d4 (Occuper le centre — 12 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wR
wB
wK
wQ
wB
wN
wR
wP
wP
wP
wP
wP
wP
wN
wP
wP
Avant-poste C (accessible)
bP
bN
bP
bP
bP
bP
bP
bP
bP
bR
bBFou actif — mobilité 5
bK
bQ
bB
bN
bR
hgfedcba
Plans. ...c5 (Frapper le centre adverse — 32 % des parties) ; ...Be7 (Fou actif (mobilité 5), Développer f8 — 31 % des parties) ; ...Bd6 (Fou actif (mobilité 7), Développer f8 — 11 % des parties) ; ...Nc6 (Développer b8 — 8 % des parties) ; ...g6 (Préparer le fianchetto — 5 % des parties).
Avantages
Faiblesses
Diagonale active
Plans
Partie
1905 Barmen-B – Round 1 – Schwan, Wilhelm – 1/2-1/2 – Fahrni, Hans – G20
1. f4 e6 2. e3 Nf6 3. Nf3 d5 4. d4 Ne4 5. Bd3 f5 6. O-O Nd7 7. Nbd2 Ndf6 8. Ne5 Bd6 9. Ndf3 O-O 10. Qe2 c5
1907 Vienna – Round 12 – Agnivesh Albin – 0-1 – Schlechter, Carl – G52
1. f4 d5 2. e3 Nf6 3. Nf3 e6 4. b3 Be7 5. Bb2 O-O 6. Bd3 Nbd7 7. Nc3 Nc5 8. Ne2 Nfe4 9. b4 Na4 10. Bd4 Bxb4
1909 BCF Ch 6th – Round 5 – Blackburne, Joseph – 0-1 – Yates, Frederic D – G20
1. e3 d5 2. f4 Nf6 3. Nf3 e6 4. b3 Nbd7 5. Bb2 Be7 6. Be2 c5 7. O-O O-O 8. Qe1 Re8 9. Nc3 b6 10. Nd1 Bb7
1910 Vienna – Round 1 – Tartakower, Savielly – 1-0 – Spielmann, Rudolf – G8
1. f4 d5 2. Nf3 Nf6 3. e3 e6 4. b3 c5 5. Bb2 Nc6 6. Bb5 Bd7 7. O-O Bd6 8. d3 Qc7 9. Qe2 O-O-O 10. Nbd2 a6
1920 Gothenburg-B – Round 14 – Von Hennig, Heinrich – 1/2-1/2 – Gruenfeld, Ernst – G89
1. f4 d5 2. Nf3 e6 3. e3 Nf6 4. b3 Be7 5. Bb2 O-O 6. Be2 Nbd7 7. O-O c5 8. Nc3 a6 9. Qe1 Qc7 10. Nd1 Rd8
1926 Spa – Round 10 – Davidson, Jacques – 0-1 – Lenglez, M. – G18
1. f4 d5 2. Nf3 Nf6 3. e3 e6 4. b3 g6 5. Bb2 Bg7 6. Nc3 O-O 7. d4 c6 8. Bd3 Nbd7 9. Qe2 a6 10. O-O-O c5
1927 London Olympiad 1st – Round 4.63 – Romih, Max – 0-1 – Kroone, Gerard – G40
1. f4 d5 2. Nf3 Nf6 3. e3 e6 4. b3 Bd6 5. Bb2 c5 6. Bd3 Nc6 7. a3 a6 8. O-O b5 9. a4 b4 10. Be2 d4
1934 Mar del Plata – Round 11 – Iliesco, Juan – 1-0 – Agama Hernandez, Juan Jesus – G57
1. f4 d5 2. e3 Nf6 3. Nf3 e6 4. b3 g6 5. Bb2 Bg7 6. d3 O-O 7. g3 b6 8. Qe2 Bb7 9. Bh3 Nbd7 10. O-O h5
1934 NSW Ch – Round 4.2 – Koshnitsky, Gregory – 1-0 – Greenfield, Wilfred John – G5
1. f4 d5 2. Nf3 Nf6 3. e3 e6 4. b3 g6 5. Bb2 Bg7 6. Be2 O-O 7. O-O Nbd7 8. Qe1 c5 9. d3 b6 10. Nbd2 Bb7
1936 Podebrady – Round 1 – Pelikán, Jiří – 0-1 – Flohr, Salo – G23
1. f4 d5 2. Nf3 Nf6 3. e3 e6 4. Be2 c5 5. d3 Nc6 6. O-O Qc7 7. Nc3 d4 8. Nb5 Qb6 9. Na3 dxe3 10. Nc4 Qc7
1937 Stockholm ol (Men) – Round 9 – Pelikan, Jorge – 1/2-1/2 – Guimard, Carlos E – G20
1. f4 d5 2. Nf3 Nf6 3. e3 e6 4. Be2 Be7 5. O-O O-O 6. d3 c5 7. Qe1 Nc6 8. Bd1 b6 9. e4 dxe4 10. dxe4 Ba6
1946 San Francisco ARG – Round 3 – Iliesco, Juan – 1-0 – Gonzalez Fernandez Baca, Said Omar – G8
1. f4 d5 2. Nf3 Nf6 3. e3 e6 4. b3 Be7 5. Bb2 Nbd7 6. Be2 O-O 7. O-O b6 8. Ne5 Bb7 9. Bf3 Rc8 10. d3 c5
1952 Rosario – Round ? – Soules, Jorge – 0-1 – Garcia Vera, Romeo – G22
1. f4 d5 2. Nf3 Nf6 3. e3 e6 4. b3 Bd6 5. Bb2 O-O 6. Be2 c5 7. Nc3 Nc6 8. Nb5 Bb8 9. O-O a6 10. Na3 Nd7
1958 HUN Ch 13th – Round 8 – Honfi, Karoly – 1-0 – Borloy, Karoly – G69
1. f4 Nf6 2. Nf3 d5 3. e3 e6 4. b3 Be7 5. Bb2 O-O 6. Bd3 Ne4 7. O-O Nd7 8. c4 Ndc5 9. Bc2 dxc4 10. bxc4 Nd3
1963 Budapest – Round 1 – Csanady, Zsombor – 1/2-1/2 – Tompa, Janos – G1
1. e3 e6 2. f4 d5 3. Nf3 Nf6 4. b3 Be7 5. Bb2 c5 6. Ne5 Nbd7 7. Bd3 Qc7 8. Qf3 b6 9. O-O Bb7 10. Qh3 h5
1966 FRA Ch Grenoble FRA – Round 8 – Abreu Jean, Carlos Paul – 1/2-1/2 – Ferry, Roger – G21
1. f4 d5 2. e3 Nf6 3. Nf3 e6 4. b3 Nbd7 5. Bb2 Bd6 6. Be2 c6 7. O-O Qc7 8. d4 Ne4 9. Nbd2 Ndf6 10. Nxe4 Nxe4
1966 Sarajevo Sarajevo BIH – Round 4 – Minev, Nikolay N – 1/2-1/2 – Pietzsch, Wolfgang – G15
1. f4 Nf6 2. Nf3 d5 3. e3 e6 4. b3 Bd6 5. Bb2 O-O 6. Bd3 c5 7. Ne5 Ne4 8. O-O f5 9. c4 Nc6 10. Nf3 b6
1968 Netanya-A – Round 11 – Troianescu, Octav – 0-1 – Kagan, Shimon – G68
1. f4 d5 2. Nf3 Nf6 3. e3 e6 4. Be2 Be7 5. O-O O-O 6. d3 b6 7. Qe1 Bb7 8. Nbd2 c5 9. Ne5 Nbd7 10. Ndf3 b5

A03y — Lasker (1905)
1.f4 d5 2.Nf3 Nf6 3.e3 e6
Les coups candidats
4.b3 — 65.9% (977 parties)
Ambassadeurs : Brodie, Hugh (10x), Soukupova, Teresa (5x), Thonig, Manfred (5x), Heinola, Kari P. (4x), Wuertz, Marco (3x), Cseto, Jan (3x), Guenzel, Siegbert (3x), Auer, Hans (3x)
4.Be2 — 15.0% (223 parties)
Ambassadeurs : Chaney, Ronald L (2x), Heinrich, Ferenc (2x), Bester, Kazimierz (2x), Morio, Estelle (2x), Andrasch, Peter (2x), Vodicka, Milan (2x), Troianescu, Octav (1x), Kagan, Shimon (1x)
4.d4 — 12.5% (186 parties)
Ambassadeurs : Antusch, Ingrid (8x), Kasanicky, Richard (3x), Costa Trave, Jaume (3x), Markovic, Gordana NN (2x), Josquin, Rene (2x), Petrov, Bogoljub (2x), Strobel, Ferdinand (2x), Lindeman, Sven (1x)
4.c4 — 2.0% (29 parties)
Ambassadeurs : Johnsen, Kjell Hakon (2x), Hovlandsvag, Olav (2x), Akkersdijk, Erik (2x), Reilly, Harry (2x), Smolij, Josef (1x), Coyne, Jean-claude (1x), Weiss, Roland (1x), Mahlzahn (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4.b3 4.Be2 4.d4 4.c4
<1800 242 64% 16% 13% 1%
1800-2200 707 68% 15% 13% 2%
2200-2600 66 70% 8% 21% 2%
Évolution par décennie (% des parties)
Décennie N parties 4.b3 4.Be2 4.d4 4.c4
1950s 10 90% 10%
1960s 12 83% 17%
1970s 18 67% 28% 6%
1980s 56 70% 4% 16% 4%
1990s 314 66% 14% 13% 2%
2000s 544 64% 16% 12% 2%
2010s 453 65% 17% 13% 2%
2020s 76 72% 11% 14%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4.b3 65% 72% ▲ +7.0%
4.Be2 17% 11% ▼ -6.0%
4.d4 13% 14% ▲ +1.7%
4.c4 2% 0% ▼ -1.8%
Parties historiques
4.b3 — 65.9% (977 parties)
1951 — Grob, Henry vs Chaude de Silans, Chantal — 0-1 — Zurich SUI
1952 — Soules, Jorge vs Garcia Vera, Romeo — 0-1 — Rosario ARG
1952 — Pollitt, Cyril vs Whitham, F. — 1-0 — Bolton
1954 — Laaber, Peter vs Hogberg, Leo — 1-0 — cr.
1954 — Wheeler, Jerry vs Molyneux, PR. — 1-0 — England
4.Be2 — 15.0% (223 parties)
1968 — Troianescu, Octav vs Kagan, Shimon — 0-1 — Netanya ISR
1969 — Lightbody vs Kelly, Martin — 1-0 — cr.
1974 — Kan, Wai Shui vs Giam, Choo Kwee — 0-1 — Penang MAS
1975 — Schmeisser, Andre vs Maenhout, E. — 1-0 — Bad Berleburg
1976 — Reichgeld, Helmut vs Pantebre Martinez, Benet — 1-0 — ?
4.d4 — 12.5% (186 parties)
1972 — Moore, James vs Levine, Seth — 0-1 — Ventura
1981 — Moody, David W vs Ryan, Russ — 1/2-1/2 — Dearborn, Mich.
1984 — Chipkin, Leonard vs Katz, Adam — 0-1 — corr ch-USA
1986 — Flodmark, Stig vs Blomstrand, Roger — 0-1 — ?
1988 — Puls, Thomas vs Meul, Willi — 1-0 — GER
4.c4 — 2.0% (29 parties)
1956 — Smolij, Josef vs Coyne, Jean-claude — 1-0 — Montreal CAN
1983 — Eberth, Zoltan Bela vs Kovacs, Elod — 1-0 — Debrecen ch jr
1989 — Weiss, Roland vs Mahlzahn — 1/2-1/2 — corr DDR
1993 — Winkler, Walter vs Denecke, Alfred — 1-0 — Fuessen
1993 — Johnsen, Kjell Hakon vs Hovlandsvag, Olav — 1-0 — ?

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