E26f — Nimzo-Indian: Saemisch, 5…c5 6.e3 Nc6 7.Bd3

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

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Ne2 (Développer g1 — 79 % des parties) ; Nf3 (Développer g1 — 9 % des parties) ; e4 (Occuper le centre — 6 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...O-O (Mettre le roi en sécurité, connecter les tours — 42 % des parties) ; ...d6 (Libérer Bc8 — 26 % des parties) ; ...b6 (Préparer le fianchetto — 16 % des parties) ; ...e5 (Occuper le centre — 13 % des parties).

Avantages

Faiblesses

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)	3 (● c8, ● 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	● d4-d5	● …d7-d5, ● …e6-e5

Partie
1946 Moscow Ch – Round 1 – Kotov Lundqvist, Alex – 1/2-1/2 – Alatortsev, Vladimir N. – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 d6 8. Ne2 e5 9. e4 Qe7 10. O-O Nd7
1947 Parnu – Round 1 – Lilienthal, Andor – 1-0 – Smyslov, Vladimir – G15 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Bd3 b6 8. Ne2 d6 9. e4 Nd7 10. O-O e5
1948 Belgrade ch-YUG – Round 17 – Vukovic, Sava – 1/2-1/2 – Kulzinski, Nikolai – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Bd3 d6 8. Ne2 b6 9. e4 e5 10. O-O Na5
1948 Belgrade ch-YUG – Round 8 – Milic, Borislav – 0-1 – Kulzinski, Nikolai – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Bd3 d6 8. Ne2 b6 9. O-O Na5 10. e4 Qc7
1948 Buenos Aires – Round 1 – Najdorf, Miguel – 1-0 – Bolbochan, J. – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Bd3 b6 8. Nf3 O-O 9. e4 e5 10. Nxe5 cxd4
1948 GBR Ch 35th – Round 6 – Winter, William – 1/2-1/2 – Broadbent, Reginald – G17 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 d6 8. Ne2 e5 9. d5 Ne7 10. Ng3 O-O
1948 Mar del Plata – Round 16 – Olivera, Alfredo – 0-1 – Luckis, Marcos – G130 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 e5 8. d5 Na5 9. e4 d6 10. Ne2 Nd7
1949 Moskou ch-URS – Round 1 – Geller, Efim P – 0-1 – Sokolsky, Alexey – G52 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 d6 8. Ne2 b6 9. O-O e5 10. e4 Nd7
1949 URS Ch, semi final – Round 15 – Aratovsky, Nikolay – 0-1 – Sokolsky, Alexey – G106 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 b6 8. Ne2 d6 9. e4 e5 10. d5 Na5
1950 BCF Ch 37th – Round 1 – Penrose, Jonathan – 1-0 – Broadbent, Reginald – G3 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Bd3 e5 8. Ne2 d6 9. O-O O-O 10. Ng3 Re8
1950 Candidats Tournament – Round 11 – Bronstein, David I – 1-0 – Smyslov, Vladimir – G47 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 e5 8. Ne2 d6 9. e4 Nh5 10. O-O g5
1950 Candidats Tournament – Round 12 – Szabo, Laszlo – 0-1 – Keres, Paul Petrovich – G51 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 e5 8. Ne2 d6 9. O-O Qe7 10. e4 Nd7
1950 Corr – Round 1 – Purdy, Cecil J S – 1-0 – Napolitano, Matteo – G5 1. c4 Nf6 2. d4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 e5 8. Ne2 d6 9. e4 Nh5 10. O-O g5
1951 BCF Ch 38th – Round 3.4 – Klein, Ernst – 1/2-1/2 – Broadbent, Reginald – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Bd3 e5 8. Ne2 b6 9. d5 Na5 10. e4 d6
1951 Mar del Plata zt – Round 16 – Bianco Esposito, Antonio – 1/2-1/2 – Bolbochan, J. – G156 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 e5 8. Ne2 d6 9. f3 Qc7 10. O-O b6
1951 Moskou ch-URS – Round 1 – Botvinnik, Mikhail – 1/2-1/2 – Keres, Paul Petrovich – G54 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. a3 Bxc3+ 7. bxc3 b6 8. e4 d6 9. Ne2 e5 10. O-O Nd7
1951 Moskou ch-URS – Round 1 – Geller, Efim P – 1-0 – Lipnitsky, Isaac – G43 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 d6 8. Ne2 e5 9. O-O Nd7 10. e4 b6
1951 URS Ch sf – Round 2 – Kopaev, Nikolay A – 0-1 – Bonch-Osmolovsky, Mikhail – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 b6 8. Ne2 d6 9. O-O Qd7 10. Nf4 Ba6
1951 YUG Ch 6th – Round 11 – Simonovic, Borko – 0-1 – Puc, Stojan – G60 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. a3 Bxc3+ 7. bxc3 Qa5 8. Bd2 Qc7 9. Ne2 e5 10. O-O O-O
1952 Budapest – Round 15 – Kottnauer, Cenek – 1-0 – Sliwa, Bogdan – G133 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Bd3 b6 8. e4 d6 9. Ne2 Qc7 10. O-O cxd4
1952 Helsinki olm – Round 1 – Szabo, Ladislav – 1/2-1/2 – Teschner, Rudolf – G11 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. Bd3 Nc6 6. a3 Bxc3+ 7. bxc3 e5 8. Ne2 e4 9. Bb1 O-O 10. Ng3 Re8
1952 POL-ch10 – Round 10 – Grynfeld, Izaak – 1-0 – Gadalinski, Jan – G71 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 d6 8. Ne2 e5 9. O-O O-O 10. e4 Ne8
1952 POL-ch10 – Round 17 – Gawlikowski, Stanislaw – 0-1 – Gadalinski, Jan – G123 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 e5 8. Ne2 d6 9. Bb1 O-O 10. O-O Qe7
1952 POL-ch10 – Round 6 – Boleslawski Zbigniew – 0-1 – Gadalinski, Jan – G42 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 e5 8. d5 e4 9. dxc6 exd3 10. Qxd3 dxc6
1953 Mar del Plata – Round 7 – Gligoric, Sofija – 1-0 – Bolbochan, J. – G82 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Bd3 b6 8. Ne2 Na5 9. e4 Ba6 10. e5 Ng8
1953 URS-training – Round 4 – Keres, Paul – 1-0 – Ragozin, Viacheslav – G15 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 d6 8. Ne2 b6 9. O-O Bb7 10. Ng3 Qe7
1953 Zagreb – Round 3 – Preinfalk, Anton – 0-1 – Puc, Stojan – G40 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. a3 Bxc3+ 7. bxc3 d6 8. Ne2 e5 9. f3 Ne7 10. d5 O-O
1954 Olympiad final A – Round 1 – Kotov Lundqvist, Alex – 1-0 – Arnlaugsson, Gudmundur – G9 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. Bd3 Nc6 6. a3 Bxc3+ 7. bxc3 b6 8. e4 d6 9. Ne2 Bb7 10. O-O Qd7
1954 Olympiad final B – Round 1 – Cs. Kovacs, Laszlo – 1-0 – Cala, Ugo – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Bd3 d6 8. Ne2 e5 9. O-O O-O 10. f3 b6
1954 URS Team Ch – Round 6 – Chistiakov, Alexander – 1-0 – Lisitsin, Georgy – G98 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 d6 8. Ne2 e5 9. O-O Qc7 10. e4 b6
1955 Budapest – Round 7 – Petrosian, Tigran A. – 1-0 – Benko, Pal – G91 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Bd3 b6 8. e4 e5 9. d5 Na5 10. Nf3 Qe7
1955 Moskou ch-URS – Round 1 – Botvinnik, Mikhail – 1/2-1/2 – Lisitsin, Georgy – G51 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. a3 Bxc3+ 7. bxc3 d6 8. Ne2 b6 9. e4 Qd7 10. Bc2 Ba6
1955 Moskou ch-URS – Round 1 – Geller, Efim P – 0-1 – Spassky, Boris V. – G44 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 d6 8. Ne2 b6 9. O-O Qd7 10. e4 Ba6
1955 Moskou ch-URS – Round 1 – Geller, Efim P – 1-0 – Lisitsin, Georgy – G48 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. a3 Bxc3+ 7. bxc3 d6 8. Ne2 b6 9. O-O Qd7 10. e4 Ba6
1955 Poland ch13 – Round 6 – Doda, Zbigniew – 0-1 – Solecki, Zbigniew – G21 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 b6 8. Ne2 d6 9. e4 Qd7 10. O-O Ba6
1955 URS Ch sf – Round 1 – Vladimirov, Boris T – 0-1 – Byvshev, Vasily – G21 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. a3 Bxc3+ 7. bxc3 e5 8. Ne2 d6 9. e4 h6 10. O-O g5
1958 Kiev Ch – Round 9 – Shianovsky, Vladislav I – 1-0 – Ousatchi, Mark – G43 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 e5 8. Ne2 d5 9. cxd5 Qxd5 10. e4 Qd8
1961 Bled – Round 10 – Gligorić, Svetozar – 1-0 – Ivkov, Borislav – G93 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 b6 8. Nf3 d6 9. e4 e5 10. d5 Na5
36. Olympiad 2004 – Round 4 – Ehlvest, Jaan – 1/2-1/2 – Sadvakasov, Darmen – G110 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Bd3 b6 8. e4 d5 9. cxd5 exd5 10. e5 Ne4
Alekhine Memorial 1992 – Round 1 – Jussupow, Artur – 1/2-1/2 – Salov, Valery – G1 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. a3 Bxc3+ 7. bxc3 d6 8. Ne2 h6 9. O-O O-O 10. e4 e5
Brussels blitz 1987 – Round 1 – Tal, Mikhail – 1-0 – Sosonko, Gennadi – G30 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. a3 Bxc3+ 7. bxc3 d6 8. Ne2 e5 9. e4 O-O 10. O-O exd4
FIDE WCh KO 2000 – Round 2.6 – Gulko, Boris – 1-0 – Chernin, Alexander – G91 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. e3 c5 5. Bd3 Nc6 6. a3 Bxc3+ 7. bxc3 d6 8. Ne2 e5 9. O-O h6 10. Ng3 O-O
FIDE World Cup 2025 – Round R2 Rapid 1 – Maksim Chigaev – 0-1 – Shamsiddin Vokhidov – G370 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. Be3 O-O 10. Nbd2 h6
World Blitz 2022 – Round 14.8 – Caruana, Fabiano – 0-1 – Harikrishna, Pentala – G777 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Nc6 7. Bd3 b6 8. Nf3 d6 9. O-O O-O 10. e4 e5
World Rapid 2016 – Round 3.27 – Flores, Diegoego – 1/2-1/2 – Jobava, Baadur – G110 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Nc6 7. Bd3 d6 8. Ne2 e5 9. O-O O-O 10. Ng3 Nd7

E26f — Saemisch (1946)

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

Les coups candidats

7…O-O — 41.6% (485 parties) →

Ambassadeurs : Balashov, Yuri (5x), Aleksandrov, Aleksej (4x), Tunik, Gennady (4x), Shereshevski, Mikhail (3x), Geller, Efim P. (3x), Lyrberg, Patrik (3x), Jussupow, Artur (3x), Yurtaev, Leonid (3x)

7…d6 — 26.4% (308 parties)

Ambassadeurs : Geller, Efim P. (3x), Lisitsin, Georgy (3x), Ricardi, Pablo (3x), Jussupow, Artur (3x), Aleksandrov, Viktor A. (3x), Bosch van Rosenthal, Edzard (2x), Arencibia Rodriguez, Walter (2x), Granda Zuniga, Julio E (2x)

7…b6 — 15.9% (186 parties)

Ambassadeurs : Bonch-Osmolovsky, Mikhail (2x), Gligoric, Sofija (2x), Ivkov, Borislav (2x), Botvinnik, Mikhail (2x), Sansas, Andre (2x), Levit, Roman (2x), Vladimirov, Boris T (2x), Oliveira, Jefferson Dos Santos (2x)

7…e5 — 13.3% (155 parties)

Ambassadeurs : Kaminik, Aleksandar (4x), Berczes, David (4x), Balashov, Yuri (3x), Szabo, Laszlo (2x), Gadalinski, Jan (2x), Broadbent, Reginald (2x), Kwapisz, Stanislaw (2x), Lerner, Konstantin Z (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7…O-O	7…d6	7…b6	7…e5
<1800	34	44%	26%	21%	6%
1800-2200	308	46%	28%	17%	7%
2200-2600	512	43%	26%	15%	13%
2600+	20	40%	20%	30%	10%

Évolution par décennie (% des parties)

Décennie	N parties	7…O-O	7…d6	7…b6	7…e5
1950s	82	21%	29%	24%	21%
1960s	31	52%	26%	13%	3%
1970s	38	24%	47%	8%	13%
1980s	147	31%	33%	12%	20%
1990s	257	46%	27%	12%	14%
2000s	283	44%	23%	13%	16%
2010s	220	51%	22%	16%	9%
2020s	109	39%	24%	35%	3%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7…O-O	51%	39%	▼ -12.8%
7…d6	22%	24%	▲ +1.6%
7…b6	16%	35%	▲ +18.5%
7…e5	9%	3%	▼ -5.9%

Joueurs célèbres

Champions du monde dans cette position

Botvinnik, Mikhail — 3 parties
Tal, Mikhail — 3 parties
Kasparov, Garry — 1 partie
Karpov, Anatoly — 1 partie
Gukesh D — 1 partie

Parties historiques

7…O-O — 41.6% (485 parties)

1950 — Boyette, Leslie vs Bagby, Charles L — 0-1 — San Francisco, CA USA
1950 — Pirc, Vasja vs Zografakis, Aristidis — 1-0 — Dubrovnik CRO
1950 — Bronstein, David I vs Miguel, Nahuel — 1-0 — Budapest HUN
1952 — Geller, Efim P. vs Suetin, Alexey S — 1/2-1/2 — Moskou ch-URS
1953 — Ziembinski, Marian vs Brzozka, Stefan — 1/2-1/2 — Krakow POL

7…d6 — 26.4% (308 parties)

1950 — Donner, Jan-Hein vs Barden, Leonard — 1-0 — Utrecht NED
1950 — Steven, George A vs Gibbons, Bart — 1-0 — Los Angeles, CA USA
1950 — Acoltzi Ruiz, Mariana vs Castillo Bermudez, Manuel — 1/2-1/2 — Mar del Plata ARG
1950 — Spanjaard, Eduard vs Van den Berg, Carel B — 0-1 — Amsterdam ch-NED
1951 — Geller, Efim P. vs Lipnitsky, Isaac — 1-0 — Moskou ch-URS

7…b6 — 15.9% (186 parties)

1950 — Pafnutiff, Vladimir vs Bagby, Charles L — 1/2-1/2 — San Francisco, CA USA
1951 — Saigin, Vladimir vs Efimov, Kondrat — 0-1 — Sverdlovsk
1951 — Botvinnik, Mikhail vs Keres, Paul Petrovich — 1/2-1/2 — Moscow RUS
1951 — Kopaev, Nikolay A vs Bonch-Osmolovsky, Mikhail — 0-1 — Lvov UKR
1952 — Kottnauer, Cenek vs Sliwa, Bogdan — 1-0 — Budapest HUN

7…e5 — 13.3% (155 parties)

1950 — Szabo, Laszlo vs Keres, Paul Petrovich — 0-1 — Budapest HUN
1950 — Penrose, Jonathan vs Broadbent, Reginald — 1-0 — Buxton
1950 — Purdy, Cecil J S vs Napolitano, Matteo — 1-0 — cr.
1950 — Bronstein, David I vs Smyslov, Vasily — 1-0 — Budapest HUN
1951 — Szapiel, Henryk vs Urseanu, Veniamin — 1/2-1/2 — Bucharest ROU

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