E62 — King's Indian Defense: Fianchetto Variation, Carlsbad Variation

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Exploiter la case forte d4….

Atouts. Les Blancs s'appuient sur les cases fortes d4, f4, b5 et g5 et la paire de fous.

Côté adverse. Les fous enfermés en g7 et c8.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le fou c1 et les tours a1 et h1).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; Bg5 (Clouer Nf6) ; h3 (Empêcher ...Bg4).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Exploiter la case forte g4….

Atouts. Les Noirs s'appuient sur les cases fortes g4, e5 et f5 et la paire de fous.

Côté adverse. Les fous enfermés en c1 et g2 et le roi resté au centre.

En contrepartie. Plusieurs pièces dorment encore (le fou c8 et la tour a8).

Plans. ...Na5 (Masters 95%) ; ...Bg4 (Développer Bc8, clouer Nf3) ; ...e6 (Rupture) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

-0.52 avantage noir. Base Masters : Blancs 40.6%, Nulles 33.3%, Noirs 26.1%.

Coups candidats

auto

Analyse coup par coup — 7 demi-coups commentés

1.d4 Avancée centrale — contrôle c5, e5. Prépare c4, e4, Nc3.
1…Nf6 Contrôle e4, d5.
2.c4 Avancée centrale — contrôle b5, d5. Prépare d4, Nc3, e4.
2…g6 Prépare le fianchetto du Fou (Bg7).
3.g3 Prépare le fianchetto du Fou (Bg2).
3…Bg7 Contrôle e4, d5, f5.
4.Bg2 Contrôle e4, f4, c5, d5.

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3, c4→d5	● c7→d6, e7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (2v1), ● f4 (2v0), ● b5 (2v0), ● g5 (2v0)	● g4 (2v0), ● e5 (2v1), ● f5 (2v0)
Cases faibles	—	● d5
Centre	● d4 (2v1), ● d5 (3v1)	● e5 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Enfermé (mob. 2)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	3 (● c1, ● a1, ● h1)	2 (● c8, ● a8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c4-c5, ● e2-e3	● …e7-e6, ● …e7-e5

Partie
1923 Karlsbad – Round ? – Bernstein, Jacob – 1-0 – Yates, Frederic D – G149 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 Nc6 7. d5 Nb8 8. O-O Nbd7 9. e4 a5 10. h3 Nc5
1923 Karlsbad – Round 1 – Alekhine, Alexander – 0-1 – Yates, Frederic D – G37 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. d5 Nb8 8. O-O Nbd7 9. e4 a5 10. Be3 Ng4
1923 Karlsbad – Round 1 – Bernstein, Jan – 1-0 – Bellod Thomas, Gonzalo – G31 1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. g3 Bg7 5. Bg2 O-O 6. Nf3 Nc6 7. d5 Nb8 8. O-O e5 9. e4 b6 10. h3 Nbd7
1926 Dresden – Round 4 – Rubinstein, Akiba – 1-0 – Bluemich, Max – G17 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 O-O 5. Bg2 d6 6. Nc3 Nc6 7. d5 Nb8 8. Nd4 e5 9. dxe6 fxe6 10. O-O e5
1926 Semmering – Round 1 – Gruenfeld, Ernst – 1-0 – Gilg, Carl – G39 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. d5 Nb8 8. O-O Nbd7 9. h3 Re8 10. Be3 h6
1926 Semmering – Round 1 – Gruenfeld, Ernst – 1-0 – Yates, Frederic D – G41 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nc6 7. d5 Nb8 8. O-O a5 9. h3 Na6 10. Be3 b6
1927 Kecskemet II – Round 3 – Gruenfeld, Ernst – 1-0 – Berndtsson, Karl – G8 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d6 5. Nf3 O-O 6. Nc3 Nc6 7. d5 Nb8 8. O-O e5 9. dxe6 Bxe6 10. Nd4 Qc8
1927 Tunbridge Wells – Round 1 – Goldstein, Maurice Edwards – 1/2-1/2 – Yates, Frederic D – G2 1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. g3 Bg7 5. Bg2 O-O 6. Nf3 Nc6 7. d5 Nb8 8. O-O Nbd7 9. h3 a5 10. Be3 e5
1939 Bad Oeynhausen ch-GER – Round 1 – Eliskases, Erich – 1-0 – Lange, Wilfried – G7 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 Nc6 7. d5 Na5 8. Qd3 b6 9. b4 Nb7 10. Rb1 Bf5
1942 Kuibyshev – Round 10 – Mikenas, Vladas – 1-0 – Mogilevsky, Alexander – G48 1. d4 Nf6 2. c4 g6 3. Nc3 d6 4. Nf3 Bg7 5. g3 O-O 6. Bg2 Nc6 7. d5 Na5 8. Qd3 e5 9. e4 b6 10. b4 Nb7
1944 Mar del Plata – Round 14 – Najdorf, Miguel – 1-0 – Concepcion Villegas, Bryan Uriel – G110 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. c4 d6 5. Bg2 O-O 6. Nc3 Nc6 7. d5 Nb8 8. O-O c5 9. Ne1 Bd7 10. h3 Qc8
1949 Mar del Plata – Round 15 – Luckis, Marcos – 1/2-1/2 – Iliesco, Juan – G128 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nc3 Nc6 7. d5 Nb8 8. O-O e5 9. e4 Nbd7 10. Ne1 a5
1950 Bled – Round 1 – Milic, Borislav – 0-1 – Pilnik, Herman – G1 1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 O-O 5. d4 d6 6. Nf3 Nc6 7. d5 Nb8 8. O-O e5 9. Ne1 Nbd7 10. e4 a5
1950 Hastings5051 – Round 4 – O'Kelly, Albéric de Galway – 1/2-1/2 – Castaldi, Vincenzo – G15 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. d5 Nb8 8. O-O e6 9. e4 Nbd7 10. Qc2 a5
1950 URS Ch sf – Round 2 – Levenfish, Grigory – 1-0 – Ufimtsev, Anatoly – G6 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. g3 d6 6. Bg2 Nc6 7. d5 Na5 8. Qd3 b6 9. b4 Nb7 10. Rb1 a5
1952 Budapest – Round 1 – O'Kelly, Albéric de Galway – 1-0 – Troianescu, Octav – G11 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. d5 Nb8 8. O-O c5 9. Qd3 Na6 10. Bf4 Nc7
1952 Budapest – Round 10 – Platz, Hans – 0-1 – Benko, P. – G92 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. d5 Na5 8. Qd3 c5 9. O-O a6 10. Rb1 Qc7
1952 Budapest – Round 9 – O'Kelly de Galway, Alberic – 1-0 – Troianescu, Octav – G84 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. d5 Nb8 8. O-O c5 9. Qd3 Na6 10. Bf4 Nc7
1952 Helsinki olm – Round 1 – Benkner, Otto – 0-1 – Penrose, Justin – G112 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 Nc6 7. d5 Na5 8. Qd3 e5 9. e4 b6 10. O-O Nh5
1953 Hastings ch-BCF – Round 10 – Green, Arnold Yorwarth – 0-1 – Yanofsky, Daniel Abraham – G88 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. d5 Na5 8. Nd2 c5 9. a3 Ng4 10. Qc2 Ne5
1953 Hastings5354 – Round 7 – O'Kelly, Albéric de Galway – 1-0 – Tartakower, Savielly – G29 1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 Nc6 7. d5 Ne5 8. Nxe5 dxe5 9. O-O Bd7 10. b3 Qc8
1953 Wch-jr prelim – Round 6 – Roessel, Frits – 1/2-1/2 – Penrose, Jonathan – G13 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. g3 d6 6. Bg2 Nc6 7. d5 Na5 8. Qd3 e5 9. e4 b6 10. b4 Nb7
1954 Mar del Plata – Round 20 – Eliskases, Erich – 1/2-1/2 – Sanguinetti Lopez, Jose Pablo – G149 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. d5 Nb8 8. O-O a5 9. Ne1 c6 10. Nd3 cxd5
1954 Mar del Plata/B.Aires zt it-17 – Round 20 – Eliskases, Erich – 1/2-1/2 – Sanguinetti, Raul – G20 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. d5 Nb8 8. O-O a5 9. Ne1 c6 10. Nd3 cxd5
1954 Olympiad final A – Round 1 – Van Scheltinga, Theo – 0-1 – Gereben, Erno – G8 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. d5 Nb8 8. O-O Nbd7 9. e4 Nc5 10. Qc2 a5
1954 URS Team Ch – Round 3 – Batuev, Andrey M – 1-0 – Kopaev, Nikolay A – G42 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. d5 Na5 8. Qd3 e5 9. Bg5 b6 10. O-O Qe8
1955 Budapest HUN – Round ? – Gereben, Erno – 0-1 – Dely, Peter – G15 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. d5 Na5 8. Nd2 c5 9. dxc6 Nxc6 10. O-O Be6
1955 Moscow – Round 1 – Botvinnik, Mikhail – 1/2-1/2 – Borisenko, Georgy K – G1 1. c4 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. d5 Na5 8. Nd2 c5 9. Qc2 e6 10. O-O exd5
1955 Moskou ch-URS – Round 1 – Botvinnik, Mikhail – 1/2-1/2 – Borisenko, Georgy K – G65 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. d5 Na5 8. Nd2 c5 9. Qc2 e6 10. O-O exd5
1956 Leningrad ch-URS – Round 1 – Antoshin, Vladimir S – 1-0 – Khasin, Abram – G64 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. d5 Na5 8. Qd3 c5 9. O-O a6 10. Nd2 Nd7
1956 Mar del Plata – Round 2 – Shocron, Ruben – 1-0 – Toth, Vaclav – G18 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 Nc6 7. d5 Na5 8. Nd2 c5 9. Qc2 Bd7 10. O-O a6
1956 Moscow olm prel – Round 7 – Walther, Edgar – 0-1 – Taimanov, Mark E – G222 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. d5 Na5 8. Qd3 c5 9. O-O a6 10. Nd2 Nd7
1957 FRG Ch 04th – Round 7 – Wolk, Sigmund – 0-1 – Schuster, Theodor – G5 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. c4 d6 6. Nc3 Nc6 7. d5 Na5 8. Nd2 c5 9. a3 Ng4 10. Qc2 a6
1957 Santiago – Round 1 – Kotov Lundqvist, Alex – 1-0 – Salas Romo, Julio – G1 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 d6 5. d4 O-O 6. Nf3 Nc6 7. d5 Na5 8. Nd2 Nd7 9. Qc2 Ne5 10. b3 c5
1958 Hoogovens – Round 4 – Euwe, Max – 1/2-1/2 – Bouwmeester, Hans – G15 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. d5 Na5 8. Qd3 c5 9. O-O e5 10. dxe6 Bxe6
1959 Stevenson Memorial – Round 5 – Hollis, Adrian – 0-1 – Gereben, Erno – G21 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. Nc3 Nc6 7. d5 Nb8 8. O-O Na6 9. Nd4 Nd7 10. Rb1 Nb6
1960 BUL-ch14 – Round 4 – Andreev Alexi – 0-1 – Karastoichev, Emil – G3 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. d4 O-O 5. c4 d6 6. Nc3 Nc6 7. d5 Na5 8. Qd3 c5 9. O-O a6 10. e4 b5
1960 Leipzig ol prel – Round 1 – Garcia Gonzales, Guillermo – 0-1 – Diez del Corral, Jesus – G3 1. d4 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 d6 5. Nc3 O-O 6. Nf3 Nc6 7. d5 Na5 8. Qd3 c5 9. O-O a6 10. Nh4 Rb8
1960 Leningrad tt – Round 15 – Forintos, Gyozo V – 1-0 – Olsson, Ake – G203 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. d4 Nc6 7. d5 Na5 8. Nd2 c5 9. Qc2 e6 10. O-O exd5
1960 Varna Varna BUL – Round 4 – Krogius, Nikolai V – 1/2-1/2 – Bobotsov, Milko G – G14 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 Nc6 7. d5 Na5 8. Nd2 c6 9. dxc6 bxc6 10. O-O Be6
1961 Hoogovens – Round 1 – Van Scheltinga, Theo – 0-1 – Uhlmann, Wolfgang – G16 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. d5 Na5 8. Nd2 c6 9. O-O cxd5 10. cxd5 Bd7
1961 Zevenaar – Round 1 – Rellstab, Ludwig – 0-1 – Abalde Perez, Fernando Jose – G3 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. g3 d6 6. Bg2 Nc6 7. d5 Na5 8. Qd3 c5 9. O-O a6 10. e4 e6
1964 Tel Aviv olm fin-C – Round 3 – Castagna, Renzo – 1-0 – Zinser, Sylvain – G14 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 O-O 5. Bg2 d6 6. Nc3 Nc6 7. d5 Na5 8. Qd3 c5 9. O-O a6 10. e4 Rb8
1965 Clare Benedict Cup 12th – Round 3 – Donner, Jan-Hein – 1-0 – Walther, Edgar – G5 1. c4 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. d5 Na5 8. b3 c6 9. Bb2 Ne4 10. Qc1 Nxc3
1965 Corr SSV-75 – Round ? – Baumgartner, Walter – 0-1 – Napolitano, Mario – G3 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. d5 Na5 8. Nd2 c5 9. Qc2 Bd7 10. b3 e6
1966 Blitz Match – Round 6 – Sanchez Miguelez, Rafael – 0-1 – Bobotsov, Milko G – G10 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. d5 Na5 8. Nd2 c6 9. O-O cxd5 10. cxd5 Bd7
1966 Rio Hondo zt – Round 13 – Acosta Garcia, Rafael Isaac – 1/2-1/2 – Rubinetti, Jorge – G23 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. d5 Na5 8. b3 c6 9. Bb2 cxd5 10. cxd5 Bd7
1966 WchTJ U26 fin-A – Round 5 – Bukhman, Eduard – 0-1 – Mestrovic, Zvonimir – G29 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. d5 Na5 8. Nd2 c5 9. Qc2 e5 10. a3 b6
1967 Budapest Bajnogsag 8th – Round 9 – Szilagyi, Gyorgy Laszlo – 1-0 – Portisch, Ferenc – G56 1. g3 g6 2. Bg2 Bg7 3. c4 Nf6 4. Nc3 d6 5. Nf3 Nc6 6. d4 O-O 7. d5 Na5 8. b3 c5 9. Nd2 a6 10. Rb1 Bd7
1967 IBM-B – Round 3 – Marovic, Drazen – 1-0 – De Rooi, Paul – G6 1. d4 Nf6 2. c4 d6 3. Nf3 g6 4. Nc3 Bg7 5. g3 O-O 6. Bg2 Nc6 7. d5 Nb8 8. O-O e5 9. c5 Ne8 10. cxd6 Nxd6
1968 IBM – Round 14 – Langeweg, Kick – 1/2-1/2 – Marovic, Drazen – G47 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. Nc3 Nc6 7. d5 Na5 8. b3 c6 9. Bb2 cxd5 10. cxd5 Bd7
1969 Netanya – Round 10 – Reshevsky, Samuel – 1-0 – Westerinen, Heikki M.J. – G65 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. d5 Na5 8. Nd2 c6 9. O-O cxd5 10. cxd5 Bf5
1969 Nordic Ch – Round 10 – De Lange, Daan – 0-1 – Westerinen, Heikki M.J. – G25 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. Nf3 Nc6 7. d5 Na5 8. Nd2 c6 9. O-O cxd5 10. cxd5 Bd7
1969 Raach zt – Round 4 – Ivkov, Borislav – 1/2-1/2 – Andersson, Ulf 1949 – G45 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. d5 Na5 8. b3 c6 9. Bb2 cxd5 10. cxd5 Bd7
1969 US Open – Round 7 – Pupols, Viktors – 1-0 – Benko, Pal – G19 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 d6 5. d4 O-O 6. Bg2 Nc6 7. d5 Na5 8. b3 c5 9. Bb2 a6 10. Qc2 Bf5
1969 Yugoslavia – Round 1 – Ivkov, Borislav – 1-0 – Bogdanovic, Rajko – G1 1. c4 g6 2. d4 Bg7 3. Nf3 Nf6 4. g3 O-O 5. Bg2 d6 6. Nc3 Nc6 7. d5 Na5 8. b3 c6 9. Bb2 Rb8 10. Rc1 a6
1971 Hoogovens – Round 1 – Forintos, Gyozo V – 1-0 – Denker, Arnold S – G239 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 O-O 5. Bg2 d6 6. d4 Nc6 7. d5 Na5 8. Nd2 c5 9. Qc2 e6 10. O-O exd5
1971 Moscow – Round 12 – Smyslov, Vassily – 1/2-1/2 – Balashov, Yuri S – G29 1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 O-O 5. d4 d6 6. Nf3 Nc6 7. d5 Na5 8. Nd2 c6 9. O-O cxd5 10. cxd5 Bd7
FIDE World Cup 2025 – Round R1 Classical 2 – Evgeniy Najer – 1-0 – Rakotomaharo Fy Antenaina – G113 1. Nf3 g6 2. d4 Bg7 3. e4 d6 4. Nc3 Nf6 5. Be2 O-O 6. O-O Nc6 7. d5 Nb8 8. h3 a6 9. a4 e5 10. dxe6 Bxe6
World Blitz 2022 – Round 13.32 – Jumabayev, Rinat – 1-0 – Amin, Bassem – G688 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nf3 d6 6. Nc3 Nc6 7. d5 Na5 8. b3 c5 9. Bb2 a6 10. a4 Re8
World Blitz 2022 – Round 17.35 – Yakubboev, Nodirbek – 1-0 – Niemann, Hans Moke – G907 1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 O-O 5. d4 d6 6. Nf3 Nc6 7. d5 Na5 8. b3 c5 9. Bd2 a6 10. a4 Qb6
World Blitz 2022 – Round 21.13 – Vakhidov, Jakhongir – 1-0 – Amin, Bassem – G1100 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 O-O 5. d4 d6 6. Nf3 Nc6 7. d5 Na5 8. b3 c5 9. Bb2 a6 10. a4 Re8

E62m — Fianchetto

1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.Nf3 d6 5.g3 O-O 6.Bg2 Nc6 7.d5

Les coups candidats

7…Na5 — 89.1% (1459 parties)

Ambassadeurs : Seres, Lajos (25x), Jirka, Jiri (16x), Donner, Jan-Hein (11x), Jobava, Baadur (11x), Ellers, Holger, Dr. (7x), Alvarez Marquez, Johann Carlos (6x), Freisler, Pavel (6x), Westerinen, Heikki M.J. (5x)

7…Nb8 — 8.2% (134 parties)

Ambassadeurs : Yates, Frederic D (5x), Alekhine, Alexander (4x), Gruenfeld, Ernst (3x), Reti, Richard (3x), Gereben, Erno (3x), Lange, Wilfried (2x), O'Kelly, Albéric de Galway (2x), Eliskases, Erich (2x)

7…Ne5 — 1.7% (28 parties)

Ambassadeurs : Perez Cascella, Julio (2x), Massut, Gabriel (2x), Fontein, George (1x), Euwe, Max (1x), O'Kelly, Albéric de Galway (1x), Tartakower, Savielly (1x), Prestel, Oliver (1x), Lanz, Udo (1x)

7…Nb4 — 1.0% (17 parties)

Ambassadeurs : Newman Caceres, Reynaldo Adolfo (1x), Wallis, Philip N (1x), Sarosy, Zoltan L (1x), Kustudic, D. (1x), Mandarin, Vitomir (1x), Benoit, Hugues (1x), Verus, Biljana (1x), Dragutinovic B (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7…Na5	7…Nb8	7…Ne5	7…Nb4
<1800	21	76%	5%	14%	5%
1800-2200	510	85%	11%	3%	1%
2200-2600	747	95%	3%	1%	1%
2600+	8	88%	12%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	7…Na5	7…Nb8	7…Ne5	7…Nb4
1920s	17	18%	76%	6%	—
1930s	6	33%	67%	—	—
1940s	5	20%	60%	—	20%
1950s	61	74%	25%	2%	—
1960s	84	93%	4%	2%	1%
1970s	84	95%	5%	—	—
1980s	79	99%	1%	—	—
1990s	328	93%	5%	1%	1%
2000s	350	87%	9%	3%	1%
2010s	404	91%	7%	2%	0%
2020s	220	89%	7%	1%	2%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7…Na5	91%	89%	▼ -1.5%
7…Nb8	7%	7%	-0.2%
7…Ne5	2%	1%	-0.4%
7…Nb4	0%	2%	▲ +2.0%

Joueurs célèbres

Champions du monde dans cette position

Alekhine, Alexander — 7 parties
Euwe, Max — 4 parties
Smyslov, Vladimir — 4 parties
Botvinnik, Mikhail — 4 parties

Parties historiques

7…Na5 — 89.1% (1459 parties)

1926 — Alekhine, Alexander vs Nicolai Eugen Schwartz — 1-0 — Gambit Cafe, London ENG
1926 — Alekhine, Alexander vs Schwartz, Nadav — 1-0 — Londen simultaan
1926 — Alekhine, Alexander vs Schwartz, Nadav — 1-0 — London ENG
1939 — Eliskases, Erich vs Lange, Wilfried — 1-0 — Bad Oeynhausen GER
1939 — Eliskases, Erich vs Lange, Wilfried — 1-0 — Bad Oeynhausen ch-GER

7…Nb8 — 8.2% (134 parties)

1923 — Bernstein, Jan vs Bellod Thomas, Gonzalo — 1-0 — Carlsbad CZE
1923 — Alekhine, Alexander vs Yates, Frederic D — 0-1 — Carlsbad CZE
1923 — Bernstein, Jacob vs Yates, Frederic D — 1-0 — Carlsbad CZE
1924 — Alekhine, Alexander vs Reti, Richard — 1-0 — New York, NY USA
1926 — Gruenfeld, Ernst vs Gilg, Carl — 1-0 — Semmering AUT

7…Ne5 — 1.7% (28 parties)

1925 — Fontein, George vs Euwe, Max — 0-1 — NLD-ch Amsterdam NED
1953 — O'Kelly, Albéric de Galway vs Tartakower, Savielly — 1-0 — Hastings ENG
1968 — Perez Cascella, Julio vs Massut, Gabriel — 1-0 — ?
1968 — Perez Cascella, Julio vs Massut, Gabriel — 1-0 — Mar del Plata ARG
1996 — Blagojevic, Dragisa vs Popovic, Mladen — 1-0 — Cetinje

7…Nb4 — 1.0% (17 parties)

1946 — Newman Caceres, Reynaldo Adolfo vs Wallis, Philip N — 1-0 — Nottingham ENG
1963 — Sarosy, Zoltan L vs Kustudic, D. — 1-0 — Toronto CAN
1990 — Verus, Biljana vs Dragutinovic B — 1-0 — Arandjelovac tt
1993 — Mandarin, Vitomir vs Benoit, Hugues — 1-0 — Paris op Paris FRA
1993 — Sidorov, Anatoly vs Bajusz, Gyorgy — 1-0 — Gyula HUN

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