E29a — Nimzo-Indian: Saemisch, 5…O-O 6.e3 c5 7.Bd3 Nc6

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 O-O 6.e3 c5 7.Bd3 Nc6 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Jeu au centre (rupture d4-d5).

Atouts. Les Blancs s'appuient sur un fou actif en d3, la paire de fous et la colonne semi-ouverte b.

Côté adverse. Le fou enfermé en c8 et une pièce en prise (le pion en c5).

En contrepartie. Le roi n'est pas encore à l'abri, plusieurs pièces dorment encore (le cavalier g1, le fou c1 et les tours a1 et h1) et le pion isolé a3.

Plans. Nf3 (Développer Ng1) ; Bd2 (Développer Bc1).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Attaque sur le roi adverse resté au centre.

Côté adverse. Le pion isolé a3, le fou enfermé en c1 et le roi resté au centre.

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

Plans. ...d6 (Libérer Bc8) ; ...d5 (Rupture) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	● c3, ● c4	—
Pions isolés	● a3	—
Arriérés	—	—
Chaînes	● f2→e3, c3→d4, e3→d4	● d7→e6, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	—
Cases faibles	—	—
Centre	—	● d5 (2v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● b	—

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 2)
Bd3	● Bd3 Actif (mob. 8)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	Non
Non développées	4 (● g1, ● 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	semi-ouvert
Ruptures	● d4-d5, ● e3-e4, ● f2-f3	● …d7-d6, ● …d7-d5, ● …e6-e5

Partie
1929 Karlsbad – Round 1 – Johner, Paul – 0-1 – Capablanca, Jose – G55 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Ne2 Nc6 7. a3 Bxc3+ 8. bxc3 b6 9. O-O Ba6 10. e4 Ne8
1934 Leningrad ch-URS – Round 1 – Riumin, Nikolai – 1-0 – Panov, Vasily – G58 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 O-O 7. Bd3 b6 8. Ne2 Nc6 9. O-O Ba6 10. e4 e5
1938 AVRO – Round 1 – Botvinnik, Mikhail – 1/2-1/2 – Keres, Paul Petrovich – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 Nc6 8. Ne2 d6 9. Ng3 b6 10. Bb2 Ba6
1940 Moskou ch-URS – Round 1 – Bondarevsky, Igor – 1-0 – Botvinnik, Mikhail – G28 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 Nc6 8. Ne2 d6 9. e4 e5 10. d5 Na5
1941 GER Ch 8th – Round 1 – Nuernberg, Friedrich – 0-1 – Mueller, Hans – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 d6 8. Ne2 O-O 9. O-O b6 10. f4 Ba6
1942 Kuibyshev – Round 6 – Mikenas, Vladas – 1-0 – Vulfson, Vladimir – G28 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 Nc6 8. Ne2 d6 9. O-O e5 10. e4 h6
1942 Verenigde Staten m ch-USA – Round 5 – Reshevsky, Samuel – 1-0 – Kashdan, Isaac – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 Nc6 8. Nf3 d6 9. Qc2 e5 10. d5 Ne7
1943 Salzburg – Round 1 – Schmidt, Pascal – 0-1 – Bogoljubow, Efim – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. a3 Bxc3+ 7. bxc3 Nc6 8. Nf3 b6 9. e4 d6 10. Bf4 Nh5
1946 Mar del Plata – Round 9 – Stahlberg, Gideon – 1/2-1/2 – Bolbochan, J. – G85 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 Nc6 8. Ne2 d6 9. e4 e5 10. d5 Ne7
1946 Moscow – Round 1 – Denker, Arnold S – 0-1 – Smyslov, Vladimir – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. a3 Bxc3+ 7. bxc3 Nc6 8. Ne2 d6 9. O-O e5 10. e4 Re8
1946 Treybal Memorial – Round 3 – Gligorić, Svetozar – 1-0 – Kottnauer, Cenek – G15 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 O-O 7. Bd3 Nc6 8. Ne2 d5 9. cxd5 exd5 10. O-O Re8
1946 URS-USA – Round 2 – Denker, Arnold S – 0-1 – Smyslov, Vasily – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. a3 Bxc3+ 7. bxc3 Nc6 8. Ne2 d6 9. O-O e5 10. e4 Re8
1948 It (Men) Mar Del Plata ARG – Round 1 – Castillo Larenas, Mariano – 1/2-1/2 – Luckis, Marcos – G1 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. Ne2 Nc6 7. a3 Bxc3+ 8. bxc3 d6 9. e4 e5 10. d5 Na5
1948 Moskou ch-URS – Round 6 – Averbakh, Yuri L – 1/2-1/2 – Taimanov, Mark E – G54 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 Nc6 8. Ne2 b6 9. e4 Ne8 10. e5 f5
1948 Saltsjobaden Interzonal – Round 5 – Lilienthal, Andor – 1-0 – Najdorf, Miguel – G41 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 b6 8. Ne2 O-O 9. e4 Ne8 10. O-O d6
1948 World Championship 18th – Round 14 – Botvinnik, Mikhail – 0-1 – Reshevsky, Samuel – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Bd3 O-O 8. Ne2 b6 9. e4 Ne8 10. Be3 d6
1949 BRA Ch – Round ? – Cruz, Walter – 1-0 – Oliveira Washington – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. a3 Bxc3+ 7. bxc3 d6 8. Ne2 O-O 9. e4 Ne8 10. Be3 b6
1949 BRA Ch – Round ? – De Freitas, Marcio Elisio – 1-0 – Oliveira Washington – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. a3 Bxc3+ 7. bxc3 O-O 8. Ne2 d6 9. O-O b6 10. Ng3 Na5
1949 Bucharest – Round ? – Pachman, Ludek – 1/2-1/2 – Jenei, Ferenc – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. a3 Bxc3+ 7. bxc3 Nc6 8. Ne2 d6 9. O-O b6 10. e4 Ne8
1949 Bucharest – Round ? – Sajtar, Jaroslav – 0-1 – Balogh, Janos – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. a3 Bxc3+ 7. bxc3 Nc6 8. Ne2 d6 9. e4 Qc7 10. f4 b6
1949 Hastings4950 – Round 3 – Szabo, Ladislav – 1-0 – Horne, Dennis Morton – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. a3 Bxc3+ 7. bxc3 Nc6 8. Ne2 e5 9. e4 d6 10. O-O Ne8
1949 Mar del Plata – Round 6 – Bolbochan, J. – 0-1 – Luckis, Marcos – G59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Nf3 O-O 8. Bd3 d6 9. O-O e5 10. Qc2 Re8
1949 Venice – Round 1 – Rossolimo, Nicolas – 1-0 – Golombek, Harry – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 O-O 7. Bd3 d6 8. Ne2 Nc6 9. O-O e5 10. e4 Nh5
1949 Zagreb – Round 1 – Gligorić, Svetozar – 1-0 – Lokvenc, Josef – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. a3 Bxc3+ 6. bxc3 c5 7. Bd3 Nc6 8. Ne2 d6 9. O-O b6 10. e4 Ba6
1950 Amsterdam – Round 1 – Stahlberg, Gideon – 1/2-1/2 – Reshevsky, Samuel – G18 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 Nc6 8. Ne2 d6 9. e4 Ne8 10. O-O b6
1950 Amsterdam ch-NED – Round 1 – Spanjaard, Eduard – 0-1 – Van den Berg, Cees – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 d6 8. Ne2 O-O 9. e4 Ne8 10. e5 dxe5
1950 Candidats Tournament – Round 5 – Bronstein, David I – 1-0 – Najdorf, Miguel – G19 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 O-O 8. Ne2 d6 9. e4 Ne8 10. O-O b6
1950 Dubrovnik YUG – Round 5 – Pirc, Vasja – 1-0 – Zografakis, Aristidis – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 O-O 8. Ne2 e5 9. O-O d6 10. d5 Na5
1950 FRG Ch Bad Pyrmont GER – Round 13 – Siegel, Paul – 1/2-1/2 – Bogoljubow, Efim – G38 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. a3 Bxc3+ 7. bxc3 Nc6 8. Ne2 e5 9. f3 d6 10. O-O Re8
1950 HUN Ch 05th – Round 10 – Jenei, Ferenc – 1-0 – Berczy, Robert – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. a3 Bxc3+ 7. bxc3 Nc6 8. Ne2 b6 9. e4 Ne8 10. Be3 d6
1950 Mar del Plata – Round 9 – Marini, Luis – 1/2-1/2 – Castillo Bermudez, Manuel – G73 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. a3 Bxc3+ 7. bxc3 d6 8. Ne2 O-O 9. O-O b6 10. e4 Ne8
1951 DDR Ch – Round 14 – Mueller, Claus – 1-0 – Schlieder, Rolf – G33 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 O-O 7. Bd3 Nc6 8. Ne2 d6 9. O-O b6 10. Ng3 Ba6
1951 Hungary Ch – Round 1 – Koberl, Ferenc – 1-0 – Kapu, Jeno – G37 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. a3 Bxc3+ 6. bxc3 c5 7. Bd3 d6 8. Ne2 Nc6 9. O-O e5 10. f3 b6
1951 It I Beverwijk NED – Round 7 – Donner, Jan-Hein – 1-0 – Poulsen, Christian – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 Nc6 8. Ne2 d6 9. e4 e5 10. O-O Re8
1951 Madrid ESP – Round 15 – Steiner, Herman – 1-0 – Tramoyeres P – G33 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 Nc6 8. Ne2 d6 9. O-O e5 10. d5 Na5
1951 Mar del Plata zt – Round 6 – Rossetto, Hector – 1-0 – Vasconcellos, Fernando O – G51 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 d6 8. Ne2 Nc6 9. Ng3 Kh8 10. O-O Ne7
1951 Sopot – Round 13 – Szilagyi, Gyorgy Laszlo – 1/2-1/2 – Sliwa, Bogdan – G76 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 Nc6 8. Ne2 b6 9. O-O Ba6 10. e4 Ne8
1951 Staunton Memorial – Round 13 – Stahlberg, Gideon – 1-0 – Broadbent, Reginald – G92 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. a3 Bxc3+ 7. bxc3 Nc6 8. Ne2 d6 9. e4 e5 10. d5 Ne7
1951 Tashkent m – Round 1 – Mukhitdinov, Mamadzhan – 0-1 – Petrosian, Tigran A. – G1 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. a3 Bxc3+ 7. bxc3 Nc6 8. Ne2 b6 9. e4 Ne8 10. Be3 d6
1951 URS Ch sf – Round 6 – Saigin, Vladimir – 0-1 – Kondratiev, Pavel E – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 b6 8. Ne2 O-O 9. e4 Ne8 10. e5 Ba6
1952 Helsinki olm – Round 1 – Kotov Lundqvist, Alex – 1-0 – Zografakis, Aristidis – G54 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. a3 Bxc3+ 7. bxc3 Nc6 8. Ne2 e5 9. f3 d6 10. O-O Re8
1952 Helsinki olm – Round 1 – Primavera, Giuseppe – 0-1 – Larocca Muller, Paolo – G70 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 O-O 7. Bd3 d6 8. Ne2 Nc6 9. O-O Ne8 10. e4 b6
1952 JUG Ch – Round 9 – Gligorić, Svetozar – 1/2-1/2 – Djaja, Dragutin – G54 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. a3 Bxc3+ 7. bxc3 Nc6 8. Ne2 Re8 9. e4 e5 10. f3 d6
1952 Miedzyzdroje – Round 2 – Balanel, Ion – 1-0 – Szabo, Stefan – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 d6 8. Ne2 Nc6 9. O-O e5 10. e4 Bg4
1952 Moskou ch-URS – Round 1 – Geller, Efim P – 1/2-1/2 – Suetin, Alexey S – G41 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 O-O 8. Nf3 d6 9. e4 e5 10. d5 Ne7
1952 USSR – Round 1 – Keres, Paul Petrovich – 1/2-1/2 – Bronstein, David I – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. a3 Bxc3+ 6. bxc3 c5 7. Bd3 Nc6 8. Ne2 b6 9. e4 Ne8 10. Be3 Ba6
1953 Candidats Tournament – Round 7 – Geller, Efim P – 0-1 – Smyslov, Vladimir – G40 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. a3 Bxc3+ 7. bxc3 Nc6 8. Ne2 b6 9. O-O Ba6 10. e4 Ne8
1953 Opatija – Round ? – Donner, Jan-Hein – 0-1 – Matanovic, Aleksandar – G127 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. a3 Bxc3+ 7. bxc3 Nc6 8. Ne2 b6 9. e4 Ne8 10. Be3 d6
1953 Paris – Round 8 – Belkadi, Ridha – 1/2-1/2 – Noradounghian, Georges – G20 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 Nc6 8. Ne2 b6 9. e4 Ne8 10. O-O f5
1953 POL-ch11 – Round 10 – Ziembinski, Marian – 1/2-1/2 – Brzozka, Stefan – G60 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 O-O 8. Ne2 d6 9. O-O b6 10. Ng3 Ba6
1954 Amsterdam olm – Round 1 – Szabo, Ladislav – 1/2-1/2 – Kupper, Josef – G36 1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. a3 Bxc3+ 7. bxc3 Nc6 8. Ne2 b6 9. e4 Ne8 10. Be3 d6
1954 Argentina – Round 3 – Geller, Efim P – 1/2-1/2 – Alvarez Martin, Pedro – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 Nc6 8. Ne2 b6 9. e4 Ne8 10. Be3 d6
1954 Belgrade – Round 13 – Bronstein, David I – 1/2-1/2 – Karaklajic, Nikola – G107 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. a3 Bxc3+ 7. bxc3 Nc6 8. Ne2 b6 9. e4 Ne8 10. Be3 Ba6
1954 Bucharest – Round 10 – Pachman, Ludek – 1/2-1/2 – Troianescu, Octav – G85 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. Bd3 O-O 6. a3 Bxc3+ 7. bxc3 Nc6 8. Ne2 b6 9. O-O Ba6 10. e4 Ne8
1954 Gorki ch22-SU sf – Round 19 – Bondarevsky, Igor – 0-1 – Furman, Slavomir – G52 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. a3 Bxc3+ 7. bxc3 Nc6 8. Ne2 b6 9. e4 Ne8 10. O-O Ba6
1954 Gorki ch22-SU sf – Round 5 – Geller, Efim P – 1/2-1/2 – Simagin, Vladimir – G22 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. a3 Bxc3+ 7. bxc3 Nc6 8. Ne2 b6 9. e4 Ne8 10. Be3 Ba6
1954 Kiev ch-URS – Round 1 – Geller, Efim P – 1-0 – Ragozin, Viacheslav – G24 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 Nc6 8. Ne2 b6 9. e4 Ne8 10. Be3 d6
1954 Kiev ch-URS – Round 14 – Geller, Efim P – 1-0 – Furman, Slavomir – G163 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 Nc6 8. Ne2 b6 9. e4 Ne8 10. Be3 d6
1954 Mar del Plata – Round 7 – Estrada Degrandi, Walter – 0-1 – Shocron, Ruben – G58 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. a3 Bxc3+ 7. bxc3 Nc6 8. Ne2 d6 9. e4 Ne8 10. Be3 Qe7
1954 Moscow training m – Round 4 – Botvinnik, Mikhail – 1-0 – Kan, Ilya A – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. a3 Bxc3+ 7. bxc3 Nc6 8. Ne2 b6 9. e4 Ne8 10. e5 Ba6
1954 Olympiad final B – Round 1 – Raizman, Maurice – 1-0 – De Greif, Boris – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 O-O 7. Bd3 Nc6 8. Ne2 b6 9. O-O Ba6 10. Ng3 Na5
1954 Pan American Ch 2nd – Round 1 – Evans, Larry M – 1-0 – Lyman, Shelby – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 b6 7. Bd3 O-O 8. e4 Ne8 9. Ne2 Nc6 10. O-O d6
1954 UKR Ch – Round ? – Lubensky, Vitaly – 0-1 – Lazarev, Efim M. – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. a3 Bxc3+ 7. bxc3 Nc6 8. Ne2 b6 9. O-O Na5 10. e4 Ne8
1954 USA-URS – Round 3 – Byrne, Robert E – 1/2-1/2 – Kotov, Alexander. – G13 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. a3 Bxc3+ 7. bxc3 Nc6 8. Ne2 b6 9. e4 Ne8 10. Be3 d6
1955 Manhattan CC Ch 5556 – Round 7 – Pinkus, Albert – 1-0 – Klugman, Reuben – G30 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 O-O 7. Bd3 Nc6 8. Ne2 d6 9. O-O b6 10. e4 Ne8
1955 RUS Ch – Round ? – Vladimirov, Yevgeniy – 1/2-1/2 – Zurakhov, Vladlen Y – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 O-O 8. Ne2 d6 9. e4 Ne8 10. O-O b6
1955 URS Ch sf Moscow RUS – Round 1 – Vladimirov, Boris T – 1/2-1/2 – Lein, Anatoly – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. a3 Bxc3+ 7. bxc3 Nc6 8. Ne2 b6 9. e4 Ne8 10. Be3 Ba6
1956 Alekhine Memorial – Round 1 – Szabo, Ladislav – 0-1 – Smyslov, Vladimir – G9 1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. a3 Bxc3+ 7. bxc3 Nc6 8. e4 cxd4 9. cxd4 Nxd4 10. e5 Qa5+
1956 Dresden – Round 14 – Dittmann, Sieghart – 0-1 – Kholmov, Ratmir D – G90 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. a3 Bxc3+ 7. bxc3 Nc6 8. Ne2 b6 9. e4 Ne8 10. Be3 d6
1956 Leningrad ch-URS – Round 1 – Khasin, Abram – 1/2-1/2 – Kholmov, Ratmir D – G51 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Bd3 O-O 8. Ne2 b6 9. e4 Ne8 10. Be3 d6
1956 Mar del Plata ARG – Round 4 – Rossetto, Hector – 1-0 – Toth, Vaclav – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 d6 8. Ne2 O-O 9. O-O Ne8 10. f4 f5
1956 Montreal – Round 1 – Padone – 1/2-1/2 – Zalys, Ignas – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 Nc6 8. Nf3 d5 9. Qc2 dxc4 10. Bxc4 Qc7
1956 Moscow – Round 1 – Khalilbeili, Sultan – 0-1 – Klavins, Janis – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. a3 Bxc3+ 6. bxc3 c5 7. Bd3 Nc6 8. e4 cxd4 9. cxd4 Nxd4 10. e5 Qa5+
1956 Moscow olm fin-B – Round 9 – De Greif, Boris – 1/2-1/2 – Limbos, Patrick – G100 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. a3 Bxc3+ 7. bxc3 Nc6 8. Ne2 b6 9. e4 Ne8 10. O-O Ba6
1956 New York Rosenwald – Round ? – Reshevsky, Samuel – 1-0 – Hearst, Eliot – G7 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. Bd3 O-O 6. a3 Bxc3+ 7. bxc3 Nc6 8. Ne2 b6 9. e4 Ne8 10. Be3 d6
1957 DDR Ch 08th – Round 4 – Starck, Bodo – 1-0 – Kallas, Hans Joachim – G25 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 Nc6 8. Ne2 d5 9. cxd5 exd5 10. O-O b6
1957 Mar del Plata – Round 5 – Rubio Aguado, Fernando – 0-1 – Cuellar Gacharna, Miguel – G56 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 Nc6 8. Ne2 b6 9. e4 Ne8 10. Ng3 d6
1957 Przepiorka Memorial – Round 12 – Ciocaltea, Victor – 0-1 – Geller, Efim P – G76 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 O-O 7. Bd3 Nc6 8. Ne2 b6 9. e4 Ne8 10. Be3 Ba6
1957 Rio de Janeiro zt – Round 1 – Rubio Aguado, Fernando – 0-1 – Letelier Martner, Rene – G29 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 O-O 8. Nf3 d6 9. e4 e5 10. h3 Re8
1957 URS Ch, semi final – Round 1 – Demuria, Alexandr – 0-1 – Khalilbeili, Sultan – G29 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 O-O 7. a3 Bxc3+ 8. bxc3 d6 9. e4 Nd7 10. O-O e5
1957 USA Ch Open 58th – Round 4 – Byrne, Robert E – 1/2-1/2 – Ramirez, Gilbert – G25 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 Nc6 8. Ne2 d6 9. e4 Ne8 10. O-O b6
1958 Munich olm fin-B – Round 3 – Beyen, Roland – 1/2-1/2 – Alvarez Martin, Pedro – G23 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 O-O 8. Ne2 b6 9. e4 Ne8 10. Be3 d6
1958 Riga Ch – Round 7 – Pasman Marks – 1-0 – Klavins, Janis – G14 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 O-O 7. Bd3 Nc6 8. Ne2 b6 9. e4 Ne8 10. Be3 Ba6
1958 UKR Ch – Round 14 – Nikolaevsky, Yuri V – 1-0 – Zurakhov, Vladlen Y – G64 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 O-O 8. Ne2 b6 9. e4 Ne8 10. O-O Ba6
1959 Corr Wch3 – Round 1 – Secchi, Eduardo – 1/2-1/2 – Balogh, Janos – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. a3 Bxc3+ 7. bxc3 Nc6 8. Ne2 b6 9. e4 Ne8 10. e5 d5
1959 HUN Ch playoff – Round 1 – Szabo, Laszlo – 0-1 – Portisch, Lajos – G1 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 O-O 7. Bd3 Nc6 8. Ne2 b6 9. e4 Ne8 10. Be3 Ba6
1959 Lima – Round 1 – Espinosa Flores, Rafael Emilio – 1/2-1/2 – Quinones Carrillo, Oscar – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 Nc6 8. Ne2 b6 9. e4 Ne8 10. O-O d6
1959 Lima – Round 4 – Alvarez Espinoza, Crishopher Damian – 1/2-1/2 – Quinones Carrillo, Oscar – G23 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 Nc6 8. Ne2 b6 9. e4 Ne8 10. O-O d6
1960 CSR Ch – Round 13 – Kozma, Julius – 1/2-1/2 – Rejfir, Josef – G109 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 Nc6 8. Ne2 b6 9. e4 Ne8 10. Be3 Ba6
1960 Leipzig olm fin-A – Round 3 – Damjanovic, Marko – 0-1 – Lengyel, Laszlo – G44 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 Nc6 8. Ne2 b6 9. O-O Ba6 10. e4 Ne8
1960 UKR Ch – Round 1 – Rotstein, Jefim – 0-1 – Lazarev, Efim M. – G1 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. a3 Bxc3+ 7. bxc3 Nc6 8. Ne2 b6 9. O-O Ba6 10. e4 Ne8
1960 URS Ch sf – Round 3 – Cherepkov, Alexander V – 1/2-1/2 – Gipslis, Aivars – G21 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. a3 Bxc3+ 6. bxc3 c5 7. Bd3 Nc6 8. Ne2 b6 9. e4 Ne8 10. Be3 Ba6
1961 Budapest ch-HUN – Round 1 – Sallay, Roland – 0-1 – Lengyel, Laszlo – G36 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 Nc6 8. Ne2 b6 9. e4 Ne8 10. d5 Ne5
1961 Reggio Emilia 6162 – Round ? – Romani, Elio – 0-1 – Padevsky, Nikola – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. a3 Bxc3+ 6. bxc3 O-O 7. Bd3 c5 8. Ne2 Nc6 9. O-O Ba6 10. e4 Ne8
1961 Reggio Emilia ITA – Round 11 – Haag, Ervin – 1/2-1/2 – Romani, Elio – G20 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 Nc6 8. Ne2 d6 9. e4 Ne8 10. O-O b6
1961 Warsaw – Round ? – Tolush, Alexander V – 1-0 – Kostro, Jerzy – G79 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 Nc6 8. Ne2 b6 9. e4 Ne8 10. Be3 Ba6
1962 Argentina – Round 1 – Garcia Rodriguez, Raimundo – 0-1 – Incutto, Carlos – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 Nc6 8. Nf3 b6 9. e4 Ne8 10. e5 f5
1962 DDR-12ch – Round 15 – Starck, Bodo – 1/2-1/2 – Baumbach, Friedrich, Dr. – G38 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 O-O 8. Ne2 b6 9. e4 Ne8 10. Be3 Ba6
1962 LAT Ch – Round ? – Mileika, Janis – 1/2-1/2 – Klavins, Janis – G26 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 O-O 8. Ne2 b6 9. e4 Ne8 10. Be3 Ba6
1962 Varna olm – Round 8 – Enigru – 0-1 – Kolarov, Atanas S. – G344 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 Nc6 8. Nf3 d6 9. O-O e5 10. Qc2 Qe7
1964 Tel Aviv olm fin-A – Round 5 – Pachman, Ludek – 1-0 – Porath, Yosef – G101 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 O-O 7. Bd3 Nc6 8. Ne2 d6 9. e4 Ne8 10. Be3 f5
1965 Hastings6566 – Round 1 – Littlewood, Norman – 0-1 – Spassky, Boris V. – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 Nc6 8. Ne2 b6 9. e4 Ne8 10. h4 Ba6
1965 Hastings6566 – Round 7 – Littlewood, Norman – 0-1 – Gheorghiu, Florin – G31 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 Nc6 8. Ne2 b6 9. e4 Ne8 10. e5 Ba6
1965 It II Beverwijk NED – Round 10 – Piket, Jeroen – 0-1 – Flesch, János – G30 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 Nc6 8. Ne2 b6 9. e4 Ne8 10. d5 Na5
1965 San Juan US Open – Round 11 – Colon Cortegoso, Marta – 1-0 – Zalys, Ignas – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 d6 7. Bd3 Nc6 8. Ne2 O-O 9. O-O e5 10. f3 Ne8
1966 Corr – Round 1 – Lokuciewski – 0-1 – Konstantinopolsky, Alexander – G1 1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 O-O 8. Ne2 b6 9. e4 Ne8 10. e5 f5
1966 La Habana olm prel – Round 2 – Martinez, Gustavo – 0-1 – Sliwa, Bogdan – G53 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 O-O 6. Nf3 c5 7. e3 Nc6 8. Bd3 d6 9. O-O e5 10. Qc2 Re8
1966 La Habana olm prel – Round 7 – Romani, Elio – 0-1 – Greiveldinger, Ernest – G265 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 O-O 6. e3 c5 7. Bd3 Nc6 8. Ne2 b6 9. O-O Bb7 10. Ng3 d6
1966 Tel Aviv 6th – Round 10 – Aloni, Itzchak – 0-1 – Matanovic, Aleksandar – G38 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Bd3 O-O 8. Ne2 b6 9. e4 Ne8 10. Be3 d6
1966 WchTJ U26 prel – Round 1 – Goetgeluck, Gerald – 0-1 – Spassov, Liuben – G1 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 O-O 6. e3 c5 7. Bd3 Nc6 8. Nf3 b6 9. O-O Ba6 10. Qe2 Na5
1967 Budapest Bajnogsag 8th – Round 11 – Toth, Bela – 0-1 – Dely, Peter – G65 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 O-O 8. Ne2 b6 9. e4 Ne8 10. O-O Ba6
1967 DSV-Turnier – Round 7 – Calero Nino, Camilo – 0-1 – Schoeneberg, Manfred – G41 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 Nc6 8. Ne2 d6 9. e4 e5 10. O-O Ne8
1967 HUN Ch Budapest HUN – Round 12 – Szabo, Laszlo – 1/2-1/2 – Csom, Istvan – G44 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 O-O 7. Bd3 Nc6 8. e4 cxd4 9. cxd4 Nxd4 10. e5 Qa5+
1967 Leningrad – Round 1 – Chistiakov, Alexander – 0-1 – Zelevinsky, Vladimir – G14 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 Nc6 8. Ne2 b6 9. e4 Ne8 10. O-O Ba6
1968 Bristol ch-BCF – Round 10 – Littlewood, Norman – 1/2-1/2 – Keene, Raymond D – G103 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 Nc6 8. Ne2 b6 9. e4 Ne8 10. Bf4 d6
1968 Bristol ch-BCF – Round 8 – Littlewood, Norman – 1-0 – Hilton, CG. – G84 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 Nc6 8. Ne2 d6 9. e4 e5 10. d5 Na5
1968 CSR Team Ch Harrachov – Round 3 – Nevole, Vladimir – 0-1 – Janata, Michael – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 Nc6 8. Ne2 b6 9. Ng3 Ba6 10. e4 cxd4
1969 DSV-Turnier – Round 7 – Knaak, Rainer – 0-1 – Sydor, Andrzej – G33 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 O-O 6. e3 c5 7. Bd3 Nc6 8. Ne2 e5 9. dxe5 Nxe5 10. Nf4 d6
1969 New Zealand Ch – Round 1 – Sarapu, Ortvin – 1-0 – Feneridis, A. – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. a3 Bxc3+ 7. bxc3 d6 8. Ne2 Nc6 9. O-O e5 10. e4 Nh5
1969 Team match FRG-CSR – Round 1 – Lehmann, Klaus – 0-1 – Janata, Michael – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. a3 Bxc3+ 6. bxc3 c5 7. Bd3 Nc6 8. Ne2 b6 9. e4 Ne8 10. Be3 Na5
1969 WchT U26 fin-B 16th – Round 8.4 – Toth, Bela – 1-0 – Balaskas, Panayotis – G50 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 Nc6 8. Ne2 d6 9. e4 e5 10. d5 Ne7
2024 Superbet Chess Classic - Round 4 - Caruana Fabiano - 1-0 - Deac Bogdan-Daniel - G17 1. d4 1... Nf6 2. c4 2... e6 3. Nc3 3... Bb4 4. e3 4... O-O 5. a3 5... Bxc3+ 6. bxc3 6... c5 7. Bd3 7... Nc6 8. Rb1 8... d6 9. Ne2 9... e5 10. O-O 10... Re8
FIDE Grand Swiss 2025 – Round 9 – Aronian Levon – 0-1 – Woodward Andy – G486 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. a3 Bxc3+ 6. bxc3 c5 7. Bd3 Nc6 8. Rb1 b6 9. e4 d6 10. Ne2 Ba6

E29a — Saemisch

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 O-O 6.e3 c5 7.Bd3 Nc6

Eval: [-0.07]

Les coups candidats

8.Ne2 — 79.7% (1399 parties) →

Ambassadeurs : Beres, Juraj (9x), Jussupow, Artur (8x), Santos, Marcus Vinicius Moreira (8x), Umetsubo, Cesar Hidemitsu (8x), Aleksandrov Ivanchev, Aleksandar (7x), Geller, Efim P. (6x), Agrest, Evgenij (6x), Husemann, Andreas (6x)

8.Nf3 — 12.4% (217 parties) →

Ambassadeurs : Balashov, Yuri (7x), Bogoljubow, Efim (2x), Geller, Efim P. (2x), Anderson, Lawrence (2x), Cirulis, Ilmars (2x), Matsukevich, Vladimir Vladimirov (2x), Sorensen, Hampus (2x), Matlakov, Maxim (2x)

8.Rb1 — 4.1% (72 parties)

Ambassadeurs : Peralta, Fernando (9x), Dardha, Daniel (4x), Laurent-Paoli, Pierre (3x), Grischuk, Alexander (3x), Talsma, Paul (2x), Ronka, Erik (2x), Del Rio De Angelis, Salvador G. (2x), Travadon, Loic (2x)

8.e4 — 2.6% (46 parties)

Ambassadeurs : Zaiatz, Elena (3x), Szabo, Laszlo (2x), ? (2x), Szabo, Ladislav (1x), Smyslov, Vladimir (1x), Martius, Robert (1x), Unzicker, Ferdinand, Dr. (1x), Bialoskorski, E. (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8.Ne2	8.Nf3	8.Rb1	8.e4
<1800	30	77%	23%	—	—
1800-2200	408	77%	18%	2%	1%
2200-2600	787	81%	8%	7%	3%
2600+	50	72%	16%	12%	—

Évolution par décennie (% des parties)

Décennie	N parties	8.Ne2	8.Nf3	8.Rb1	8.e4
1930s	2	100%	—	—	—
1940s	26	73%	23%	—	—
1950s	105	90%	6%	—	4%
1960s	79	80%	15%	—	5%
1970s	42	71%	21%	—	2%
1980s	130	91%	7%	—	2%
1990s	269	81%	13%	0%	5%
2000s	448	82%	12%	1%	4%
2010s	430	81%	13%	4%	0%
2020s	224	63%	13%	21%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.Ne2	81%	63%	▼ -17.8%
8.Nf3	13%	13%	+0.4%
8.Rb1	4%	21%	▲ +16.6%
8.e4	0%	1%	▲ +0.9%

Joueurs célèbres

Champions du monde dans cette position

Botvinnik, Mikhail — 5 parties
Smyslov, Vladimir — 3 parties
Karpov, Anatoly — 3 parties
Carlsen, Magnus — 1 partie
Hou, Yifan — 1 partie
Kramnik, Vladimir — 1 partie

Parties historiques

8.Ne2 — 79.7% (1399 parties)

1937 — Enevoldsen, Jens vs Andersen, Erik — 1-0 — Odense DEN
1938 — Botvinnik, Mikhail vs Keres, Paul Petrovich — 1/2-1/2 — Nederland
1940 — Bondarevsky, Igor vs Botvinnik, Mikhail — 1-0 — Moskou ch-URS
1942 — Mikenas, Vladas vs Vulfson, Vladimir — 1-0 — Kuibyshev
1946 — Stahlberg, Gideon vs Bolbochan, J. — 1/2-1/2 — Mar del Plata ARG

8.Nf3 — 12.4% (217 parties)

1940 — Cruz, Walter vs Trompowsky, Octavio — 1-0 — Rio de Janeiro BRA
1942 — Reshevsky, Samuel vs Kashdan, Isaac — 1-0 — Verenigde Staten m ch-USA
1943 — Schmidt, Paul Felix vs Bogoljubow, Efim — 0-1 — Salzburg AUT
1943 — Schmidt, Pascal vs Bogoljubow, Efim — 0-1 — Salzburg AUT
1946 — Byrne, Ray vs Forster Arenas, Fernando — 1/2-1/2 — Pittsburgh

8.Rb1 — 4.1% (72 parties)

1995 — Yurtaev, Leonid vs Tunik, Gennady — 1-0 — Vladivostok Zaitsev
2002 — Scharping, Hans-Martin vs Schenk, Andreas — 0-1 — Baden-Baden GER
2002 — De Smet, Marc vs Muller, Henri — 1-0 — EBS
2005 — Douziech, Richard vs Skeels, James B — 0-1 — ICCF
2007 — Carroll, Patrick vs Michos, Dionyssios — 1-0 — IECG

8.e4 — 2.6% (46 parties)

1956 — Szabo, Ladislav vs Smyslov, Vladimir — 0-1 — Moscow RUS
1956 — Botvinnik, Mikhail vs Averbakh, Yuri L — 1-0 — Moscow RUS
1956 — Szabo, Laszlo vs Smyslov, Vasily — 0-1 — ?
1956 — Khalilbeili, Sultan vs Klavins, Janis — 0-1 — Moscow RUS
1961 — Martius, Robert vs Unzicker, Ferdinand, Dr. — 0-1 — Minden

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