A45d — Indian: 2.e3 g6

1.d4 Nf6 2.e3 g6 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte d4, paire de fous.
Faiblesses adverses : Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, 6 pièces non développées (B1, G1, C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Nbd2 — Développer Nb1
● Nf3 — Développer Ng1
● Bd2 — Développer Bc1
● Bd3 — Développer Bf1

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : paire de fous.
Faiblesses adverses : Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, 5 pièces non développées (B8, C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...d6 — Libérer Bc8
● ...Nc6 — Développer Nb8
● ...Bd6 — Développer Bf8
● ...c5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

A45d — Indian:

1.d4 Nf6 2.e3 g6

Eval: [+0.11]

Les coups candidats

3.Bd3 — 47.8% (2079 parties)

Ambassadeurs : Llagaria Vidal, Eduardo (29x), Ludwig, Ines (17x), Specht, Maria (11x), Klein, Heinz (9x), Czeratzki, Michael (9x), Jehl, Guenter (9x), Figueiredo, Francisco Marques (8x), Gayle, Humphrey (8x)

3.Nf3 — 16.4% (713 parties) →

Ambassadeurs : Chipkin, Leonard (34x), Norowitz, Yaacov (14x), Eichner, Dieter (8x), Zenner, Claus (5x), Blasco, Domenico (4x), Bembich, Corrado (4x), Grams P (3x), Bopp, Thomas, Dr. (3x)

3.f4 — 15.9% (690 parties)

Ambassadeurs : Freitag, Julia (38x), Ganslmayer, Herbert (11x), Sazanov, Nikolay E (11x), Frometa Castillo, Zirka (9x), Walke, Guenter (8x), Noble, Fabian (6x), Wright, Aarne von (6x), Kalmutzki, Manfred (6x)

3.c4 — 6.9% (299 parties)

Ambassadeurs : Franck, Rudolf (7x), Emke, Robert (3x), Negrao, Alberto (3x), Ponyi, Attila (3x), Stumpf, Hilmar (3x), Amrayeva, Aytan (3x), Eichner, Dieter (3x), Euwe, Max (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	3.Bd3	3.Nf3	3.f4	3.c4
<1800	373	47%	20%	12%	8%
1800-2200	1801	49%	13%	19%	6%
2200-2600	461	39%	21%	21%	8%

Évolution par décennie (% des parties)

Décennie	N parties	3.Bd3	3.Nf3	3.f4	3.c4
1920s	9	78%	11%	11%	—
1930s	17	76%	—	6%	12%
1940s	14	79%	7%	—	7%
1950s	58	53%	2%	21%	2%
1960s	50	64%	4%	16%	6%
1970s	70	60%	6%	13%	7%
1980s	121	49%	17%	11%	6%
1990s	872	52%	15%	14%	7%
2000s	1477	50%	16%	17%	6%
2010s	1435	43%	18%	18%	8%
2020s	222	38%	30%	10%	7%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
3.Bd3	43%	38%	▼ -4.5%
3.Nf3	18%	30%	▲ +12.5%
3.f4	18%	10%	▼ -7.2%
3.c4	8%	7%	▼ -0.9%

Joueurs célèbres

Champions du monde dans cette position

Euwe, Max — 5 parties

Parties historiques

3.Bd3 — 47.8% (2079 parties)

1922 — Tartakower, Savielly vs Prokes, Ladislav — 1-0 — Bad Pistyan CZE
1924 — Ewing, David vs Atunga Howard — 1/2-1/2 — Hamilton
1924 — Ewing, John M vs Fox, Maurice — 0-1 — Hamilton
1925 — Marshall, Frank vs Carlos Torre Repetto — 1/2-1/2 — Baden Baden DEU
1925 — Marshall, Frank vs De La Torre Huertas, Carlos — 1/2-1/2 — Baden-Baden it, GER

3.Nf3 — 16.4% (713 parties)

1928 — Kingma, Jesse vs Euwe, Max — 0-1 — Midlum NED
1944 — Guimard, Carlos E vs Pelikan, Jorge — 0-1 — La Plata Jockey Club
1951 — Williams, J.Noel vs Zalys, Ignas — 1-0 — Montreal CAN
1960 — Karim, Wahid vs Raisa, Unto — 0-1 — Leipzig GER
1967 — Shamis Khalifa AlNuaimi vs Alburt, Lev — 0-1 — Kharkov ch-URS

3.f4 — 15.9% (690 parties)

1923 — Santasiere, Anthony vs Tenner, Oscar — 0-1 — Lake Hopatcong
1933 — Schwartzman, Alejandro vs Menchik, Vera — 0-1 — Folkestone ENG
1951 — Popov, Vesselin vs Szilagyi, Gyorgy Laszlo — 1/2-1/2 — Sopot
1952 — Eidelman Mauricio vs Cruz, Walter — 1-0 — Rio de Janeiro BRA
1952 — Madeira de Ley, Manuel vs Prosdocimi, Arrigo — 0-1 — Sao Paulo BRA

3.c4 — 6.9% (299 parties)

1930 — Si Toemboek vs Euwe, Max — 1/2-1/2 — Medan INA
1938 — J H C Fontein vs Euwe, Max — 0-1 — Amsterdam NED
1947 — Caesar, Hans vs Wolk, Sigmund — 1-0 — Stuttgart GER
1951 — Schroeder Hermann vs Fuchs, Reinhart — 0-1 — Leipzig GER
1960 — Karim, Wahid vs Solmundarson, Magnus — 1-0 — Leipzig GER

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→e3, e3→d4	● f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 1)
Bf1	● Bf1 Non développé (mob. 5)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	6 (b1, g1, 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	semi-ouvert
Ruptures	● c2-c3, ● d4-d5, ● e3-e4, ● f2-f3	● …c7-c6, ● …c7-c5, ● …d7-d6, ● …d7-d5, ● …e7-e6, ● …e7-e5

Partie
1925 Baden Baden – Round 12 – Marshall, Frank – 1/2-1/2 – Carlos Torre Repetto – G11 1. d4 Nf6 2. e3 g6 3. Bd3 Bg7 4. f4 c5 5. c3 b6 6. Nf3 Bb7 7. O-O O-O 8. Nbd2 Nc6 9. Ne4 Nxe4 10. Bxe4 Na5
1925 Baden-Baden – Round 1 – Marshall, Frank – 1/2-1/2 – Carls, Carl – G40 1. d4 Nf6 2. e3 g6 3. Bd3 Bg7 4. c3 b6 5. e4 Bb7 6. Qe2 d6 7. Bg5 Nbd7 8. Nd2 e5 9. f4 h6 10. Bxf6 Bxf6
1927 Kecskemet II – Round 1 – Ahues, Carl – 1/2-1/2 – Berndtsson, Karl – G3 1. d4 Nf6 2. e3 g6 3. Bd3 d6 4. Nd2 Bg7 5. Ngf3 Nc6 6. c3 e5 7. O-O O-O 8. Re1 Re8 9. Bc2 Bg4 10. h3 Bxf3
1934 NSW Ch – Round 7.1 – Shoebridge, Aubrey Gladstone – 0-1 – Purdy, Cecil J S – G10 1. d4 Nf6 2. e3 g6 3. Bd3 c5 4. c3 b6 5. Qf3 Nc6 6. Ne2 Bb7 7. e4 cxd4 8. cxd4 Nb4 9. Nd2 Nxd3+ 10. Qxd3 Bg7
1935 GER ch Bad Aachen – Round 14 – Ahues, Carl – 1-0 – Elstner, Rudolf – G17 1. d4 Nf6 2. e3 g6 3. Bd3 Bg7 4. e4 d6 5. Ne2 O-O 6. c3 Nbd7 7. f3 c5 8. Be3 Qa5 9. O-O b5 10. Nd2 c4
1935 Lodz IT – Round 1 – Appel, Izaak – 1/2-1/2 – Opocensky, Karel – G1 1. d4 Nf6 2. e3 g6 3. Bd3 d5 4. Nd2 Bg7 5. f4 c5 6. c3 O-O 7. Ngf3 b6 8. O-O Ba6 9. Bxa6 Nxa6 10. Ne5 b5
1935 Tatatovaros it – Round 10 – Lovas, Gyula – 0-1 – Becker, Albert – G11 1. d4 Nf6 2. e3 g6 3. Nd2 Bg7 4. Bd3 d5 5. Ngf3 O-O 6. O-O c5 7. c3 Nbd7 8. b3 Qc7 9. Bb2 e5 10. Be2 e4
1937 BCF Ch 30th – Round 8 – Parr, Frank – 1/2-1/2 – Fairhurst, William – G22 1. d4 Nf6 2. e3 g6 3. Bd3 d6 4. f4 Nc6 5. Nf3 Bg7 6. O-O O-O 7. e4 Bg4 8. c3 Nd7 9. h3 Bxf3 10. Qxf3 e5
1939 Buenos Aires ol prel-C – Round 5 – Mikenas, Vladas – 1-0 – Molina Moller, Brando Felipe – G18 1. d4 Nf6 2. e3 g6 3. Bd3 Bg7 4. f4 d5 5. Nf3 c5 6. c3 Nc6 7. Nbd2 O-O 8. O-O cxd4 9. exd4 Ng4 10. Nb3 a5
1939 Buenos Aires ol prel-C – Round 7 – Granda Ponce, Nicolas Alejandro – 0-1 – Enevoldsen, Jens – G27 1. d4 Nf6 2. e3 g6 3. Bd3 d5 4. Nf3 Bg7 5. Nbd2 O-O 6. O-O Nbd7 7. e4 dxe4 8. Nxe4 Nxe4 9. Bxe4 c5 10. c3 cxd4
1940 Ventnor City – Round 2 – Stephens L Walter – 0-1 – Seidman, Herbert – G6 1. d4 Nf6 2. e3 g6 3. Bd3 Bg7 4. f4 c5 5. c3 d5 6. Nd2 b6 7. Ngf3 O-O 8. O-O Bb7 9. Ne5 Nc6 10. Ndf3 Qc7
1940 Ventnor City – Round 5 – Stephens L Walter – 0-1 – Santasiere, Anthony – G16 1. d4 Nf6 2. e3 g6 3. Bd3 d5 4. Nd2 Bg7 5. f4 c5 6. c3 Qd6 7. Ndf3 Nc6 8. Ne2 Ne4 9. O-O Bf5 10. Bc2 O-O
1943 Zlin – Round 6 – Vasicek, Martin – 1/2-1/2 – Pachman, Ludek – G39 1. d4 Nf6 2. e3 g6 3. Bd3 Bg7 4. Nf3 O-O 5. O-O c5 6. c4 cxd4 7. Nxd4 Nc6 8. Nc3 d5 9. Nce2 Ne5 10. cxd5 Nxd3
1944 Tbilisi – Round 1 – Agamalian – 0-1 – Petrosian, Tigran A. – G5 1. d4 Nf6 2. e3 g6 3. g3 Bg7 4. Bg2 O-O 5. b3 d5 6. Nd2 c5 7. Ngf3 Nc6 8. Bb2 Bf5 9. a3 Ne4 10. O-O Rc8
1946 POL Ch – Round 8 – Zahorski Eugeniusz – 0-1 – Plater, Kazimierz – G47 1. d4 Nf6 2. e3 g6 3. Bd3 Bg7 4. Nd2 d6 5. Ngf3 Nbd7 6. c3 O-O 7. Qc2 e5 8. O-O Ne8 9. Ne1 f5 10. f4 c5
1947 Leningrad ch-URS – Round 1 – Ufimtsev, Anatoly – 0-1 – Alatortsev, Vladimir N. – G14 1. d4 Nf6 2. e3 g6 3. Bd3 d6 4. b3 Bg7 5. Bb2 O-O 6. Nd2 Nc6 7. Ne4 Nxe4 8. Bxe4 d5 9. Bd3 e5 10. c3 Re8
1947 URS-ch15 – Round 18 – Ufimtsev, Anatoly – 0-1 – Alatortsev, Vladimir N. – G16 1. d4 Nf6 2. e3 g6 3. Bd3 d6 4. b3 Bg7 5. Bb2 O-O 6. Nd2 Nc6 7. Ne4 Nxe4 8. Bxe4 d5 9. Bd3 e5 10. c3 Re8
1948 YUG Ch – Round 3 – Subaric, Mladen – 0-1 – Janosevic, Dragoljub – G4 1. d4 Nf6 2. e3 g6 3. Bd3 d6 4. c3 e5 5. Nd2 Bg7 6. Ne2 O-O 7. O-O Nc6 8. Ng3 d5 9. Bb5 a6 10. Bxc6 bxc6
1951 Buenos Aires – Round 1 – Rebizzo, Cayetano – 1-0 – Chemes, Luis – G9 1. d4 Nf6 2. e3 g6 3. Bd3 d5 4. Nd2 Bg7 5. Ngf3 Nbd7 6. b3 O-O 7. c4 e5 8. cxd5 exd4 9. Nxd4 Nxd5 10. Bc4 c5
1951 Mar del Plata zt – Round 9 – Guimard, Carlos E – 1-0 – Marini, Liam – G82 1. d4 Nf6 2. e3 g6 3. Be2 Bg7 4. Nf3 d5 5. O-O O-O 6. Ne5 Nfd7 7. f4 c5 8. Nxd7 Nxd7 9. c3 Qc7 10. Nd2 Nf6
1951 Sopot – Round 10 – Popov, Vesselin – 1/2-1/2 – Szilagyi, Gyorgy Laszlo – G55 1. d4 Nf6 2. e3 g6 3. f4 Bg7 4. Nf3 d6 5. Bd3 O-O 6. O-O Nc6 7. c3 e5 8. Nbd2 Re8 9. fxe5 dxe5 10. Bc4 Be6
1951 Staunton Memorial – Round 5 – Tartakower, Savielly – 0-1 – Trifunovic, Petar – G34 1. e3 Nf6 2. d4 g6 3. Nd2 Bg7 4. f4 c5 5. c3 d6 6. Bb5+ Nbd7 7. dxc5 dxc5 8. e4 a6 9. Bxd7+ Qxd7 10. Ngf3 O-O
1952 ITA-ch15 – Round 3 – Primavera, Giuseppe – 0-1 – Fletzer, Gino – G14 1. d4 Nf6 2. e3 g6 3. Be2 Bg7 4. Nd2 d6 5. Ngf3 Nbd7 6. c4 O-O 7. h4 e5 8. d5 c6 9. dxc6 bxc6 10. Ng5 d5
1952 Rio de Janeiro – Round 5 – Eidelman Mauricio – 1-0 – Cruz, Walter – G25 1. d4 Nf6 2. e3 g6 3. f4 d6 4. Nf3 Nbd7 5. Bc4 Bg7 6. O-O O-O 7. Nc3 c5 8. a4 a6 9. Qe2 b6 10. d5 Re8
1954 DDR Ch 05th – Round 13 – Kuebart, Erich – 1/2-1/2 – Koch, Berthold – G68 1. e3 Nf6 2. d4 g6 3. Bd3 d5 4. Nd2 Bg7 5. Ngf3 Nbd7 6. c3 O-O 7. Qe2 c6 8. Ne5 Nxe5 9. dxe5 Nd7 10. f4 f6
1954 DDR Ch U20 – Round 14 – Bertholdt, Dieter – 0-1 – Weigelt Horst – G65 1. d4 Nf6 2. e3 g6 3. f4 d5 4. Nf3 Bg7 5. Bd3 O-O 6. Nbd2 Nbd7 7. c3 Ne8 8. h4 Ndf6 9. h5 Nxh5 10. Ne5 Ng3
1955 Johannesburg – Round 3 – Pines, Moshe – 0-1 – Euwe, Max – G7 1. d4 Nf6 2. e3 g6 3. f4 Bg7 4. Bd3 O-O 5. Nd2 d6 6. Ngf3 Nc6 7. O-O e5 8. fxe5 dxe5 9. Nxe5 Nxe5 10. dxe5 Ng4
1957 Poland – Round 1 – Swiecicki, W. – 0-1 – Doda, Zbigniew – G3 1. d4 Nf6 2. e3 g6 3. Bd3 Bg7 4. f4 O-O 5. Nf3 c5 6. c3 d5 7. Nbd2 Qc7 8. Ne5 Ne8 9. O-O Nd6 10. Qe1 Bf5
1957 Wageningen zt – Round 16 – Hanninen, Veikko – 0-1 – Larsen, Benjamin Holsko – G46 1. d4 Nf6 2. e3 g6 3. Bd3 Bg7 4. Nd2 O-O 5. f4 c5 6. c3 d6 7. Ngf3 Nd5 8. Ne4 cxd4 9. exd4 Bf5 10. O-O b5
1958 AUS Ch – Round 3.16 – Foster, Paul – 0-1 – Purdy, Cecil J S – G16 1. d4 Nf6 2. e3 g6 3. g3 Bg7 4. Bg2 O-O 5. c4 d5 6. cxd5 Nxd5 7. Ne2 c6 8. O-O Nd7 9. Nbc3 N7b6 10. e4 Nxc3
1959 Stevenson Memorial 7th – Round 8 – Evans Wilfred – 0-1 – Hollis, Adrian – G8 1. d4 Nf6 2. e3 g6 3. Bd3 Bg7 4. f4 d6 5. Qf3 O-O 6. Ne2 e5 7. Nd2 Nc6 8. c3 Qe7 9. Ne4 Nxe4 10. Bxe4 exd4
1962 OWL Ch – Round 8 – Spilker, Friedhelm – 1-0 – Lachmann, Hans G – G20 1. d4 Nf6 2. e3 g6 3. Nd2 Bg7 4. Bd3 b6 5. f4 d6 6. Ne2 Ng4 7. Nf3 O-O 8. Ng3 c5 9. c3 Ba6 10. O-O Bxd3
1965 Chacabuco – Round 1 – Kuperman, Carlos – 0-1 – Wexler, Bernardo – G4 1. d4 Nf6 2. e3 g6 3. Bd3 Bg7 4. Nd2 O-O 5. f4 d6 6. Ngf3 Nc6 7. c3 e5 8. O-O Qe7 9. fxe5 dxe5 10. e4 exd4
1966 Corr – Round 1 – Wincor – 0-1 – Lombardy, William J – G2 1. d4 Nf6 2. e3 g6 3. Nd2 Bg7 4. Ngf3 O-O 5. Be2 c5 6. b3 b6 7. Bb2 Bb7 8. c4 d6 9. d5 e6 10. dxe6 fxe6
1966 Sunderland ch-BCF – Round 7 – Parr, Frank – 0-1 – Tabakiernik, Wladyslaw – G64 1. d4 Nf6 2. e3 g6 3. Bd3 Bg7 4. Nd2 c5 5. c3 b6 6. Ngf3 Bb7 7. e4 O-O 8. O-O d6 9. d5 Ba6 10. c4 Nh5
1968 Cardenas/Matanzas/Santa Clara – Round 12 – Abad Martinez, Juan – 0-1 – Jimenez Zerquera, Eleazar – G59 1. d4 Nf6 2. e3 g6 3. f4 Bg7 4. Bd3 d5 5. Nd2 c5 6. c3 O-O 7. Ne2 b6 8. O-O Ba6 9. Nf3 Bxd3 10. Qxd3 Nbd7
1968 Cardenas/Matanzas/Santa Clara – Round 14 – Abad Martinez, Juan – 0-1 – Cobo Arteaga, Eldis – G70 1. d4 Nf6 2. e3 g6 3. Bd3 Bg7 4. f4 d6 5. Nd2 O-O 6. Ngf3 Nc6 7. c3 e5 8. O-O Qe7 9. Ne4 Nxe4 10. Bxe4 exf4
1968 Prague U26 – Round 8 – Zajic, Jiri – 1-0 – Pribyl, Josef – G33 1. d4 Nf6 2. e3 g6 3. f4 Bg7 4. Nf3 d6 5. Bd3 Nbd7 6. O-O O-O 7. Qe1 e5 8. Nc3 Re8 9. Qh4 c6 10. fxe5 dxe5

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