A44p — Old Benoni: Czech, 3.e4 d6 4.Bd3

1.d4 c5 2.d5 e5 3.e4 d6 4.Bd3 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : Bd3 actif, paire de fous.
Faiblesses adverses : arriéré d6, Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, 5 pièces non développées (B1, G1, C1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Nbd2 — Développer Nb1
● Nf3 — Développer Ng1
● Be3 — Développer Bc1

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte d4, paire de fous.
Faiblesses adverses : Bc1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, arriéré d6, 6 pièces non développées (B8, G8, C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Nbd7 — Développer Nb8
● ...Nf6 — Développer Ng8
● ...Bf5 — Développer Bc8
● ...Be7 — Développer Bf8

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

A44p — Czech

1.d4 c5 2.d5 e5 3.e4 d6 4.Bd3

Eval: [+1.32]

Les coups candidats

4…Be7 — 42.2% (160 parties)

Ambassadeurs : Huss, Andreas (3x), Guerra, Victor (3x), Rahls, Peter (3x), Knaak, Rainer (2x), Muellneritsch, Anton (2x), Vedrickiene, Jovita (2x), Jocev, Milan (2x), Saunders, Harold (1x)

4…g6 — 26.4% (100 parties)

Ambassadeurs : Alatortsev, Vladimir N. (2x), Kazic, Bozidar (2x), Tot, Bora (2x), Winz, Victor (2x), Rabar, Braslav (2x), Del Pezzo, Gaetano (2x), Porreca, Giorgio (2x), Day, Lawrence A. (2x)

4…Ne7 — 13.7% (52 parties)

Ambassadeurs : Kieninger, Georg (2x), Ljungquist, Lennart (2x), Porath, Yosef (2x), Leuba, Didier (2x), Groenegress, Wilfried (2x), Foltys, Jan (1x), Gereben, Erno (1x), Rubinstein, Akiba (1x)

4…Nf6 — 9.2% (35 parties)

Ambassadeurs : Ciocaltea, Victor (2x), Peterwagner, Heinz (2x), Szabo, Ladislav (1x), Kluger, Gyula (1x), Trifunovic, Petar (1x), Pelikan, Jan (1x), Kramer, Haije (1x), Grob, Henry (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	4…Be7	4…g6	4…Ne7	4…Nf6
<1800	9	44%	11%	11%	11%
1800-2200	131	44%	27%	11%	11%
2200-2600	104	70%	12%	5%	7%

Évolution par décennie (% des parties)

Décennie	N parties	4…Be7	4…g6	4…Ne7	4…Nf6
1910s	1	—	—	100%	—
1920s	1	100%	—	—	—
1930s	17	—	76%	6%	12%
1940s	9	11%	56%	22%	11%
1950s	21	10%	43%	29%	5%
1960s	36	17%	39%	25%	8%
1970s	25	36%	12%	36%	8%
1980s	25	36%	16%	28%	16%
1990s	59	56%	20%	10%	7%
2000s	100	51%	25%	6%	10%
2010s	73	60%	16%	5%	7%
2020s	12	33%	25%	8%	25%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
4…Be7	60%	33%	▼ -26.9%
4…g6	16%	25%	▲ +8.6%
4…Ne7	5%	8%	▲ +2.9%
4…Nf6	7%	25%	▲ +18.2%

Joueurs célèbres

Champions du monde dans cette position

Alekhine, Alexander — 2 parties

Parties historiques

4…Be7 — 42.2% (160 parties)

1929 — Saunders, Harold vs Tartakower, Savielly — 1-0 — Scarborough ENG
1942 — Vorkapich vs Hufnagel, Leo — 1-0 — Hollywood, CA
1954 — Bruemmer, Ullrich vs Eising, Johannes — 1/2-1/2 — Schkopau
1957 — Neikirkh, Oleg vs Beni, Alfred — 1/2-1/2 — Sofia zt Sofia BUL
1962 — Eliskases, Erich vs Farah, Rodolfo — 1-0 — Buenos Aires ARG

4…g6 — 26.4% (100 parties)

1935 — Lilienthal, Andor vs Betbeder Matibet, Louis — 1-0 — Warsaw ol Warsaw POL
1935 — Alatortsev, Vladimir N. vs Riumin, Nikolai — 1-0 — Moskou
1935 — Brody, Miklos vs Michel, Walter — 1-0 — Warsaw olm
1935 — Reshevsky, Samuel vs Seitz, Jakob Adolf — 1-0 — Great Yarmouth
1935 — Napolitano, Mario vs Winz, Victor — 0-1 — Warsaw POL

4…Ne7 — 13.7% (52 parties)

1919 — Rubinstein, Akiba vs Spielmann, Rudolf — 0-1 — Stockholm SWE
1936 — Kmoch, Hans vs Alekhine, Alexander — 0-1 — Amsterdam NED
1940 — Sournin, Vladimir vs Mengarini, Ariel — 0-1 — Washington, DC USA
1948 — Foltys, Jan vs Gereben, Erno — 1-0 — Budapest Budapest HUN
1954 — Podgorny, Jiri vs Fichtl, Jiri — 1/2-1/2 — Prague CZE

4…Nf6 — 9.2% (35 parties)

1937 — Szabo, Ladislav vs Kluger, Gyula — 1/2-1/2 — Budapest HUN
1937 — Trifunovic, Petar vs Pelikan, Jan — 1/2-1/2 — Prague CZE
1949 — Kramer, Haije vs Grob, Henry — 0-1 — Lucerne SUI
1953 — Sandor, Bela vs Koberl, Ferenc — 0-1 — Budapest HUN
1964 — Malich, Burkhard, Dr. vs Ciocaltea, Victor — 1/2-1/2 — Sinaia

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	● d6
Chaînes	● e4→d5	● d6→c5, d6→e5
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	● d4 (2v0)
Cases faibles	—	—
Centre	● d5 (1v0), ● e4 (1v0)	● d4 (2v0), ● e5 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bd3	● Bd3 Actif (mob. 5)
Bc8		● Bc8 Non développé (mob. 5)
Bf8		● Bf8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Non développées	5 (b1, g1, c1, 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, ● f2-f3	● …c5-c4, ● …f7-f6, ● …f7-f5

Partie
1919 Stockholm – Round 3 – Rubinstein, Akiba – 0-1 – Spielmann, Rudolf – G17 1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 Ne7 5. c4 Ng6 6. g3 Be7 7. h4 h6 8. Nc3 Nd7 9. Nf3 Nf6 10. Nh2 Bd7
1929 Scarborough – Round 7 – Saunders, Harold – 1-0 – Tartakower, Savielly – G11 1. d4 c5 2. d5 d6 3. e4 e5 4. Bd3 Be7 5. Ne2 g6 6. O-O f5 7. f4 fxe4 8. Bxe4 Nf6 9. Nbc3 Nxe4 10. Nxe4 exf4
1935 BCF Ch 28. Major Open – Round 3 – Reshevsky, Samuel – 1-0 – Seitz, Jakob Adolf – G4 1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 g6 5. c4 Bg7 6. Ne2 Ne7 7. O-O O-O 8. Nbc3 f5 9. f4 Nd7 10. exf5 gxf5
1935 Moskou – Round 7 – Alatortsev, Vladimir N. – 1-0 – Riumin, Nikolai – G43 1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 g6 5. Ne2 Nh6 6. Ng3 Na6 7. Bd2 Qb6 8. Na3 f6 9. Bb5+ Bd7 10. Bxd7+ Kxd7
1935 Tatatovaros – Round 11 – Sacconi, Antonio – 1-0 – Von Balla, Zoltan – G57 1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 g6 5. c4 Bg7 6. Qc2 a6 7. Ne2 h5 8. Bd2 Nd7 9. a3 Nh6 10. Nbc3 f6
1935 Warsaw ol Warsaw POL – Round ? – Lilienthal, Andor – 1-0 – Betbeder Matibet, Louis – G36 1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 g6 5. f4 Bg7 6. c3 Ne7 7. Nf3 Bg4 8. fxe5 Bxe5 9. Qa4+ Bd7 10. Qb3 Nc8
1936 Amsterdam – Round 1 – Kmoch, Hans – 0-1 – Alekhine, Alexander – G2 1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 Ne7 5. Ne2 Ng6 6. O-O a6 7. a4 Be7 8. Na3 O-O 9. Nc4 Nd7 10. Bd2 b6
1936 Munich ol (Men) – Round 13 – Nielsen, Hartvig – 1-0 – Colliander, Lennart – G35 1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 g6 5. Nc3 a6 6. a4 Bg7 7. Qe2 Nh6 8. h3 O-O 9. g4 f5 10. gxf5 gxf5
1937 Prague – Round 1 – Trifunovic, Petar – 1/2-1/2 – Pelikan, Jan – G1 1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 Nf6 5. Ne2 Be7 6. c4 O-O 7. Nbc3 Ne8 8. Ng3 g6 9. Bh6 Ng7 10. Qd2 Bh4
1943 Mar del Plata – Round 9 – Concepcion Villegas, Bryan Uriel – 1/2-1/2 – Pelikan, Jan – G61 1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 g6 5. Ne2 Bg7 6. c4 Nh6 7. Nbc3 O-O 8. h4 f5 9. Bg5 Qd7 10. f3 f4
1945 Novi Sad – Round 1 – Kazic, Bozidar – 1/2-1/2 – Tot, Bora – G2 1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 g6 5. Ne2 Bg7 6. Ng3 Ne7 7. Bg5 h6 8. Bc1 a6 9. a4 O-O 10. Nd2 Nd7
1948 Budapest Budapest HUN – Round 14 – Foltys, Jan – 1-0 – Gereben, Erno – G14 1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 Ne7 5. Ne2 f5 6. f4 fxe4 7. Bxe4 Nd7 8. O-O Nf6 9. Nbc3 Bg4 10. h3 Bh5
1950 Amsterdam – Round 15 – Szabados, Eugenio – 1/2-1/2 – Trifunovic, Petar – G142 1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 g6 5. Ne2 Bg7 6. O-O Nd7 7. Nd2 Nh6 8. Nc4 Nb6 9. h3 Nxc4 10. Bxc4 O-O
1951 Marianske Lazne zt – Round 1 – Sajtar, Jaroslav – 0-1 – Basjuni, Sad Zaglul – G8 1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 Bd7 5. Qe2 g6 6. Nc3 Bg7 7. f4 Nh6 8. Nf3 f6 9. O-O O-O 10. Kh1 exf4
1953 Budapest HUN – Round ? – Sandor, Bela – 0-1 – Koberl, Ferenc – G2 1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 Nf6 5. Nc3 g6 6. Nf3 Bg7 7. O-O O-O 8. Nd2 Nbd7 9. a4 Nh5 10. Nb5 Ndf6
1954 CSR Ch – Round 6.8 – Podgorny, Jiri – 1/2-1/2 – Fichtl, Jiri – G53 1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 Ne7 5. Ne2 Qc7 6. Nd2 Ng6 7. a4 Be7 8. Nc4 b6 9. O-O Nd7 10. f4 exf4
1954 DDR Ch U20 – Round 10 – Bruemmer, Ullrich – 1/2-1/2 – Eising, Johannes – G45 1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 Be7 5. Ne2 Bg5 6. Nbc3 Bxc1 7. Qxc1 Ne7 8. Ng3 O-O 9. Qg5 f6 10. Qh5 Nd7
1954 FRG Ch qual West – Round 7 – Niephaus, Walter – 1/2-1/2 – Wieckowiak, Hans – G12 1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 g6 5. Be3 Bg7 6. c4 Ne7 7. Qd2 h6 8. Nc3 Na6 9. g3 Bd7 10. Nb5 Nc8
1956 CSR Ch sf – Round 11 – Dobias, Josef – 1-0 – Seifert, Bedrich – G30 1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 g6 5. Ne2 Bg7 6. Nd2 Ne7 7. a4 O-O 8. Nc4 f5 9. f4 fxe4 10. Bxe4 Bf5
1957 Sofia zt Sofia BUL – Round 1 – Neikirkh, Oleg – 1/2-1/2 – Beni, Alfred – G13 1. d4 c5 2. d5 d6 3. e4 e5 4. Bd3 Be7 5. Ne2 Bg5 6. Nd2 Ne7 7. O-O Ng6 8. a4 h6 9. c3 Bg4 10. f3 Bc8
1958 Clare Benedict Cup 05th – Round 4 – Van Scheltinga, Theo – 1/2-1/2 – Stoeckl, Ernst – G25 1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 Ne7 5. Ne2 Ng6 6. a4 Be7 7. Na3 O-O 8. Nc4 Nd7 9. O-O Nf6 10. c3 Nh5
1959 FRG Ch U20 – Round 7 – Hermann Fedor – 1/2-1/2 – Pfleger, Helmut, Dr. – G7 1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 Ne7 5. Ne2 g6 6. a4 Bg7 7. Na3 b6 8. a5 O-O 9. O-O f5 10. Nb5 Ba6
1961 Marianske Lazne zt – Round 13 – Filip, Miroslav – 1/2-1/2 – Ljungquist, Lennart – G88 1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 Ne7 5. Ne2 Nd7 6. O-O Ng6 7. a4 Be7 8. Nd2 a6 9. Nc4 Rb8 10. a5 O-O
1961 Marianske Lazne zt – Round 3 – Niemela, Ilmari Aarne – 1-0 – Ljungquist, Lennart – G14 1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 Ne7 5. Bg5 h6 6. Bh4 g5 7. Bg3 Ng6 8. c4 Na6 9. Nc3 Nc7 10. Nge2 Bg7
1962 Argentina – Round 7 – Eliskases, Erich – 1-0 – Farah, Rodolfo – G36 1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 Be7 5. Nf3 Nf6 6. Nc3 Bd7 7. a4 Na6 8. Nd2 O-O 9. Nc4 Nb4 10. O-O Nxd3
1962 Copenhagen – Round 2 – Hamann, Svend – 1/2-1/2 – Andersen, Borge – G30 1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 g6 5. Ne2 Bg7 6. h4 h6 7. h5 g5 8. Ng3 Ne7 9. c4 Na6 10. Nc3 Nc7
1962 CSR Ch – Round 17 – Hýbl, Jaroslav – 0-1 – Kupka, Slavoj – G140 1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 a6 5. a4 g6 6. Ne2 Bg7 7. O-O Nf6 8. Na3 O-O 9. Nc4 Ne8 10. f4 exf4
1962 DDR-12ch – Round 4 – Starck, Bodo – 1-0 – Storch, Lawrence A. – G2 1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 a6 5. a4 Ne7 6. Ne2 Ng6 7. Na3 Be7 8. Nc4 Nd7 9. Bd2 b6 10. O-O Rb8
1962 IBM – Round 9 – Henneberke, Frans – 1/2-1/2 – Kieninger, Georg – G42 1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 Ne7 5. Ne2 Ng6 6. O-O Be7 7. a4 O-O 8. Na3 Nd7 9. Bd2 Bg5 10. Nc4 Bxd2
1962 Marianske Lazne – Round 13 – Marsalek, Josef – 1-0 – Muehlberg, Siegfried – G80 1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 g6 5. Ne2 Bg7 6. O-O Nf6 7. Nd2 O-O 8. a4 b6 9. Ng3 h5 10. Nc4 Ba6
1962 Skopje ch17-YUG – Round 1 – Marovic, Drazen – 1/2-1/2 – Smailbegovic, Hasan – G9 1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 g6 5. c4 Bh6 6. Bxh6 Nxh6 7. Qd2 Ng8 8. Nc3 Nd7 9. h4 Ndf6 10. Nge2 Bd7
1962 Vrnjacka Banja – Round 7 – Rabar, Braslav – 1/2-1/2 – Milic, Borislav – G67 1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 g6 5. Qf3 Bg7 6. Ne2 a6 7. a4 Qf6 8. Qxf6 Nxf6 9. Nd2 Nbd7 10. Nc4 Ke7
1963 Amsterdam – Round 5 – Kool, Gerard – 1-0 – Kieninger, Georg – G25 1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 Ne7 5. Bg5 a6 6. a4 Qc7 7. Nd2 Ng6 8. Ne2 Nd7 9. c4 h6 10. Be3 Be7
1963 Bad Liebenstein – Round 1 – Baumbach, Friedrich, Dr. – 0-1 – Pietzsch, Wolfgang – G1 1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 Be7 5. Ne2 Nf6 6. Nd2 O-O 7. a4 Ne8 8. O-O Bg5 9. Nc4 Nd7 10. a5 Bxc1
1963 GDR Ch Aschersleben GER – Round 3 – Csulits, Anton – 0-1 – Moehring, Guenther – G14 1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 Be7 5. Nc3 Bg5 6. Bxg5 Qxg5 7. Nf3 Qe7 8. Nd2 Nf6 9. Bb5+ Nbd7 10. Nc4 O-O
1963 Sweden – Round 3 – Lundin, Erik – 1/2-1/2 – Ekenberg, Bengt – G4 1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 Nd7 5. Nc3 a6 6. a4 Ngf6 7. Be3 Be7 8. f3 Nf8 9. Nge2 Qc7 10. b3 Ng6
1964 EU Team Ch sf – Round 2.2 – Malich, Burkhard, Dr. – 1/2-1/2 – Ciocaltea, Victor – G20 1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 Nf6 5. Nd2 Be7 6. a4 O-O 7. Ne2 Ne8 8. O-O g6 9. c3 Ng7 10. b4 cxb4
1965 Zinnowitz 02nd – Round 6 – Kozma, Julius – 1-0 – Bruentrup, Dieter – G14 1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 Be7 5. Ne2 Bg5 6. Nd2 Ne7 7. O-O Ng6 8. a4 Bxd2 9. Bxd2 O-O 10. c3 Qc7
1967 IBM – Round 11 – Pachman, Ludek – 1/2-1/2 – Enevoldsen, Jens – G37 1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 Be7 5. Ne2 Bg5 6. f4 exf4 7. Nxf4 Nh6 8. O-O O-O 9. Nd2 Ng4 10. Nf3 Bh6
1968 Netanya-A – Round 12 – Porath, Yosef – 1/2-1/2 – Troianescu, Octav – G71 1. d4 c5 2. d5 e5 3. e4 d6 4. Bd3 g6 5. Ne2 Bh6 6. Bxh6 Nxh6 7. Qd2 Ng8 8. a4 h6 9. Na3 Nd7 10. Nb5 Nf8

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