E28e — Nimzo-Indian: Saemisch, 5…O-O 6.e3 c5 7.Bd3

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

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : Bd3 actif, paire de fous, colonne b.
Faiblesses adverses : arriéré d7, Bc8 enfermé, pawn c5 en prise.
Problèmes : roi au centre, Bc1 enfermé, arriéré c3, isolé a3, 4 pièces non développées (G1, C1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Nf3 — Développer Ng1
● Bd2 — Développer Bc1
● Rb — Tour sur colonne b

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Faiblesses adverses : arriéré c3, isolé a3, Bc1 enfermé, roi blanc au centre.
Problèmes : Bc8 enfermé, arriéré d7, 3 pièces non développées (B8, C8, A8).
Plans :
● ...d6 — Libérer Bc8
● ...Nc6 — Développer Nb8
● ...d5 — Rupture
● ...e5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

E28e — Saemisch

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

Eval: [+0.01]

Les coups candidats

7…Nc6 — 60.2% (1281 parties) →

Ambassadeurs : Santos, Marcus Vinicius Moreira (10x), Peralta, Fernando (8x), Beres, Juraj (7x), Moskalenko, Viktor (7x), Geller, Efim P. (5x), Agrest, Evgenij (5x), Vinot, Serge (5x), Li, Ruofan(BJ) (5x)

7…d6 — 16.2% (344 parties)

Ambassadeurs : Rossetto, Hector (2x), Vasconcellos, Fernando O (2x), Palmason, Gudmundur (2x), Blanco Gramajo, Cesar Augusto (2x), Roldan Manzo, Eddy R (2x), Jugow, Alexander (2x), Markotic, Gordan (2x), Suess, Helmut (2x)

7…d5 — 14.5% (308 parties) →

Ambassadeurs : Lilienthal, Andor (4x), Kottnauer, Cenek (3x), Kotov Lundqvist, Alex (3x), Benko, Pal (3x), Reshevsky, Samuel (3x), Keres, Paul (2x), Yanofsky, Daniel Abraham (2x), Marshall, Frank (2x)

7…b6 — 7.8% (167 parties) →

Ambassadeurs : Reshevsky, Samuel (3x), Markotic, Gordan (3x), Moskalenko, Viktor (3x), Smirnova, Ekaterina (3x), Lim, Kok Ann (2x), Peczkowski, Marek (2x), Farago, Ivan (2x), Karas, Marek (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7…Nc6	7…d6	7…d5	7…b6
<1800	41	54%	17%	7%	15%
1800-2200	569	52%	21%	15%	10%
2200-2600	832	68%	13%	12%	8%
2600+	48	88%	—	8%	4%

Évolution par décennie (% des parties)

Décennie	N parties	7…Nc6	7…d6	7…d5	7…b6
1930s	12	17%	25%	50%	8%
1940s	50	46%	10%	42%	2%
1950s	156	56%	13%	19%	10%
1960s	94	67%	9%	19%	4%
1970s	67	49%	21%	19%	7%
1980s	135	61%	22%	14%	1%
1990s	298	53%	24%	14%	6%
2000s	510	64%	15%	13%	7%
2010s	556	57%	17%	12%	13%
2020s	251	76%	8%	11%	5%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7…Nc6	57%	76%	▲ +18.7%
7…d6	17%	8%	▼ -8.8%
7…d5	12%	11%	▼ -0.9%
7…b6	13%	5%	▼ -8.3%

Joueurs célèbres

Champions du monde dans cette position

Botvinnik, Mikhail — 6 parties
Smyslov, Vladimir — 3 parties
Euwe, Max — 2 parties
Karpov, Anatoly — 2 parties
Carlsen, Magnus — 2 parties
Kasparov, Garry — 1 partie
Hou, Yifan — 1 partie
Kramnik, Vladimir — 1 partie

Parties historiques

7…Nc6 — 60.2% (1281 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
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

7…d6 — 16.2% (344 parties)

1937 — Goldstein, Maurice Edwards vs Cornforth, John W — 0-1 — Perth AUS
1937 — Ernst, Wilhelm vs Bogoljubow, Efim — 1-0 — Bad Saarow
1938 — Klein Hansen, Emil vs Euwe, Max — 0-1 — Hastings ENG
1947 — Pruyt, P H vs Van den Berg, Carel B — 0-1 — Amsterdam NED
1947 — Lisitsin, Georgy vs Sokolsky, Alexey — 1-0 — Leningrad RUS

7…d5 — 14.5% (308 parties)

1935 — Heinrich Silbermann vs Marshall, Frank — 0-1 — Warsaw POL
1936 — Stahlberg, Gideon vs Keres, Paul — 0-1 — Bad Nauheim
1936 — Cintron, Rafael L vs Marshall, Frank — 1/2-1/2 — San Juan PUR
1937 — Mikenas, Vladas vs Fairhurst, William — 1-0 — Hastings ENG
1938 — Gothilf, Solomon Borisovich vs Rovner, Dmitry — 1/2-1/2 — Leningrad RUS

7…b6 — 7.8% (167 parties)

1934 — Riumin, Nikolai vs Panov, Vasily — 1-0 — Leningrad ch-URS
1940 — Herrmann, Hans, Dr. vs Regedzinski, Teodor — 1-0 — Bad Oeynhausen GER
1950 — Helle, Soini vs Zografakis, Aristidis — 1/2-1/2 — Dubrovnik CRO
1951 — Szabo, Ladislav vs Laszlo, Dalma — 1-0 — Budapest HUN
1952 — Fuderer, Andrija vs Karaklajic, Nikola — 1/2-1/2 — Belgrade SRB

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

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	—
Cases faibles	—	—
Centre	● d4 (2v1), ● e5 (1v0)	● 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 (b8, 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
1937 Bad Saarow – Round 1 – Ernst, Wilhelm – 1-0 – Bogoljubow, Efim – G1 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. a3 Bxc3+ 7. bxc3 d6 8. Ne2 e5 9. f3 Nc6 10. O-O b6
1938 Hastings3839 – Round 9 – Klein Hansen, Emil – 0-1 – Euwe, Max – G39 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 d6 8. Ne2 e5 9. e4 Nc6 10. Bb2 cxd4
1947 FRA-CSR – Round 2 – Sajtar, Jaroslav – 1-0 – Boutteville, Cesar – G6 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. a3 Bxc3+ 6. bxc3 c5 7. Bd3 d6 8. Ne2 e5 9. e4 Qe7 10. f3 Nc6
1947 URS Ch, semi final – Round 2 – Lisitsin, Georgy – 1-0 – Sokolsky, Alexey – G16 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 d6 8. Ne2 e5 9. O-O e4 10. Bb1 Be6
1950 Dubrovnik olm – Round 14 – Ojanen, Kaarle S – 1/2-1/2 – Vestol, Aage – G209 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. a3 Bxc3+ 7. bxc3 d6 8. e4 Ne8 9. Ne2 Nc6 10. O-O b6
1951 Hungary Ch – Round 1 – Szabo, Ladislav – 1-0 – Laszlo, Dalma – G9 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 b6 8. e4 Bb7 9. e5 Ne4 10. Qh5 f5
1952 Liberation – Round 1 – Fuderer, Andrija – 1/2-1/2 – Karaklajic, Nikola – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. a3 Bxc3+ 6. bxc3 c5 7. Bd3 b6 8. Ne2 Bb7 9. O-O Be4 10. Ng3 Bxd3
1953 Candidats Tournament – Round 11 – Keres, Paul Petrovich – 1/2-1/2 – Reshevsky, Samuel – G67 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. a3 Bxc3+ 7. bxc3 b6 8. e4 Bb7 9. Bg5 h6 10. h4 d6
1953 Candidats Tournament – Round 5 – Euwe, Max – 0-1 – Reshevsky, Samuel – G28 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. a3 Bxc3+ 7. bxc3 b6 8. Ne2 Bb7 9. O-O d6 10. Qc2 d5
1954 Mar del Plata – Round 3 – Sanguinetti Lopez, Jose Pablo – 0-1 – De Souza Mendes, Joao – G26 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. a3 Bxc3+ 6. bxc3 c5 7. Bd3 b6 8. e4 Ne8 9. e5 Nc6 10. Nf3 f6
1954 Munich zt – Round 13 – Ribeiro, Joao Mario – 0-1 – Golombek, Harry – G82 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 O-O 7. Bd3 b6 8. e4 Bb7 9. Qe2 Ne8 10. Nf3 Nc6
1954 Prague zt Prague CZE – Round 5 – Sliwa, Bogdan – 1/2-1/2 – Palmason, Gudmundur – G16 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 O-O 7. Bd3 d6 8. Ne2 e5 9. O-O Qe8 10. Ng3 Nc6
1955 CSR Ch – Round 8 – Jezek, Jaroslav – 1/2-1/2 – Urbanec, Karel – G61 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 O-O 6. a3 Bxc3+ 7. bxc3 Qc7 8. Ne2 e5 9. f3 Nc6 10. O-O d6
1955 Erfurt – Round 11 – Alster, Ladislav – 0-1 – Kolarov, Atanas S. – G66 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 d6 8. e4 Nc6 9. Ne2 e5 10. d5 Ne7
1955 HUN Ch 11th – Round ? – Szabo, Laszlo – 1-0 – Foldi, Jozsef – G5 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 c5 6. a3 Bxc3+ 7. bxc3 b6 8. e4 Ne8 9. Qh5 d6 10. e5 g6
1957 Moskou ch-URS – Round 3 – Aronson, Lev – 1/2-1/2 – Bannik, Anatolij – G35 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 O-O 7. Bd3 d6 8. Ne2 b6 9. e4 Bb7 10. d5 Nbd7
1958 Munich olm prel – Round 9 – Lombardy, William J – 1/2-1/2 – Palmason, Gudmundur – G201 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. a3 Bxc3+ 6. bxc3 c5 7. Bd3 d6 8. e4 e5 9. d5 Ne8 10. Qc2 g6
1962 Varna olm – Round 7 – Kristjansson, Olafur – 1/2-1/2 – Acevedo Ortega, Rodrigo Andres – G290 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 d6 8. Nf3 Nc6 9. e4 e5 10. d5 Ne7
1964 BRA zn – Round 7 – Detthow, Bo – 0-1 – De Freitas, Marcio Elisio – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 d6 8. Nf3 Nc6 9. O-O e5 10. Ng5 Re8
1967 Budapest Bajnogsag 8th – Round 3 – Toth, Bela – 1-0 – Bodo, Mihaly – G14 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 b6 8. Ne2 Bb7 9. Ng3 d5 10. cxd5 exd5
1967 OWL Ch – Round 5 – Van Seters, Frits – 1-0 – Gilg, Karl – G10 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. a3 Bxc3+ 6. bxc3 c5 7. Bd3 d6 8. Ne2 e5 9. O-O Nc6 10. d5 Na5
1968 OWL Ch – Round ? – Oestreich, Reinhard – 0-1 – Soelter, Reinhold – G25 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 O-O 7. Bd3 d6 8. e4 e5 9. Ne2 Nc6 10. O-O h6

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