E26d — Nimzo-Indian: Saemisch, 5…c5 6.e3 Qa5

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 c5 6.e3 Qa5 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Bd2 (Développer c1 — 66 % des parties) ; Qc2 (Prépare O-O-O — 24 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Ne4 (Cavalier centralisé en e4 — 39 % des parties) ; ...d6 (Libérer Bc8 — 16 % des parties) ; ...Nc6 (Développer b8 — 16 % des parties) ; ...O-O (Mettre le roi en sécurité, connecter les tours — 14 % des parties) ; ...b6 (Préparer le fianchetto — 7 % 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	● d4 (3v1), ● e5 (1v0)	● d5 (2v1), ● e4 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● b	—

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 2)
Bf1	● Bf1 Non développé (mob. 2)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	Non
Clouages	● pawn c3	—
Non développées	5 (● g1, ● c1, ● f1, ● a1, ● h1)	4 (● b8, ● 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
1939 Leningrad ch-URS – Round 2 – Kotov Lundqvist, Alex – 1-0 – Lisitsin, Georgy – G11 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Qc2 d6 8. Nf3 Bd7 9. Bd3 Ba4 10. Qb2 Nbd7
1940 Moskou ch-URS – Round 1 – Rudakovsky, Iosif – 1/2-1/2 – Kotov Lundqvist, Alex – G29 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Qa5 7. Bd2 Ne4 8. Bd3 Nxd2 9. Qxd2 d6 10. f4 cxd4
1940 Moskou ch-URS – Round 1 – Stolberg, Mark Moiseevich – 0-1 – Lisitsin, Georgy – G32 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Qa5 7. Bd2 Ne4 8. Bd3 Nxd2 9. Qxd2 d6 10. f4 Nc6
1947 JUG Ch – Round 6 – Gligorić, Svetozar – 1-0 – Radojcic, Miroslav – G14 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Qc2 d6 8. Bd3 Bd7 9. Ne2 Ba4 10. Qa2 e5
1949 Remedios de Escalada – Round 4 – Benko, Francisco – 0-1 – Bolbochan, Julio – G12 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Qc2 d5 8. cxd5 exd5 9. Bd2 Ne4 10. Bd3 Nxd2
1950 Candidats Playoff 1pl – Round 5 – Bronstein, David I – 1/2-1/2 – Boleslavsky, Isaac – G4 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Qa5 7. Bd2 Ne4 8. Nf3 Nxd2 9. Qxd2 O-O 10. Bd3 d6
1950 Corr Wch1 – Round 1 – Van't Veer, P. – 0-1 – Barda, Olaf – G7 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Qa5 7. Bd2 d6 8. f3 Qc7 9. Bd3 Nc6 10. Ne2 b6
1950 Mar del Plata – Round 13 – Sanguinetti, Ricardo – 1/2-1/2 – Marini, Liam – G107 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Ne4 8. Bd3 Nxd2 9. Qxd2 d6 10. Nf3 Nc6
1950 Moskou ch-URS – Round 1 – Borisenko, Georgy K – 1-0 – Sokolsky, Alexey – G35 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Qa5 7. Bd2 Ne4 8. Bd3 Nxd2 9. Qxd2 d6 10. f4 Nc6
1951 Mar del Plata zt – Round 22 – Bianco Esposito, Antonio – 1-0 – De Souza Mendes, Joao – G222 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Qa5 7. Bd2 Ne4 8. Bd3 Nxd2 9. Qxd2 Nc6 10. f4 O-O
1951 YUG Ch 6th – Round 6 – Udovcic, Mijo – 0-1 – Puc, Stojan – G30 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Qa5 7. Bd2 O-O 8. Bd3 d6 9. f4 e5 10. fxe5 dxe5
1952 Buenos Aires – Round 6 – Huguet, Horacio E – 1-0 – Luckis, Marcos – G39 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Qa5 7. Bd2 Ne4 8. Bd3 Nxd2 9. Qxd2 Nc6 10. f4 d6
1954 Gorki ch22-SU sf – Round 12 – Vladimirov, Boris T – 0-1 – Simagin, Vladimir – G33 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Bd2 Ne4 8. Bd3 Nxd2 9. Qxd2 Nc6 10. Nf3 cxd4
1961 Baku ch-URS – Round 10 – Vladimirov, Boris T – 1/2-1/2 – Bronstein, David I – G97 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Qa5 7. Bd2 Ne4 8. Bd3 Nxd2 9. Qxd2 d6 10. Nf3 Nd7
1962 New York m – Round 8 – Lombardy, William J – 0-1 – Evans, Larry M – G8 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Qa5 7. Ne2 cxd4 8. exd4 O-O 9. Bd2 Ne4 10. Ng3 Nxd2
1965 It II – Round 2 – Piket, Joop – 1-0 – Kramer, Haije – G2 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Qa5 7. Bd2 Ne4 8. Bd3 Nxd2 9. Qxd2 Nc6 10. Nf3 d6
FIDE Candidates 2013 – Round 11.1 – Svidler, Peter – 1-0 – Aronian, Levon – G40 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 Qa5 7. Bd2 Ne4 8. Bd3 Nxd2 9. Qxd2 d6 10. f4 Nd7

E26d — Saemisch (1939)

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 c5 6.e3 Qa5

Les coups candidats

7.Bd2 — 66.0% (62 parties)

Ambassadeurs : Lombardy, William J (4x), Esposito, Alfredo (2x), Bronstein, David I (2x), Bradford, Joseph (2x), Geller, Adam (1x), Cholmov (1x), Huguet, Horacio E (1x), Amaro, Lucas Ibrair (1x)

7.Qc2 — 24.5% (23 parties)

Ambassadeurs : Gonzalez, Juan Dr (1x), Sandrin, Albert (1x), Piket, Joop (1x), Agnes, Corrado (1x), Ree, Hans (1x), Romanishin, Oleg M (1x), Belistri, Ubaldo (1x), Vazquez, Lautaro Tomas (1x)

7.Nf3 — 3.2% (3 parties)

Ambassadeurs : Kozomara, Vlado (1x), Kukovec, Boris (1x), Knaak, Rainer (1x), Heinig, Wolfram, Dr. (1x), Kocanovic, Armin (1x), Jovovic, Milan (1x)

7.Bb2 — 3.2% (3 parties)

Ambassadeurs : Haik, Aldo (1x), Murey, Jacob (1x), Golder, Louis (1x), Aditya Tamrakar (1x), Hendi, Peter (1x), Czimer, Jozsef (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7.Bd2	7.Qc2	7.Nf3	7.Bb2
<1800	8	25%	50%	12%	12%
1800-2200	25	68%	24%	—	4%
2200-2600	27	67%	22%	4%	4%
2600+	2	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	7.Bd2	7.Qc2	7.Nf3	7.Bb2
1950s	13	85%	8%	8%	—
1960s	4	50%	25%	—	—
1970s	6	67%	17%	17%	—
1980s	7	43%	43%	—	14%
1990s	14	71%	21%	—	7%
2000s	22	55%	36%	—	5%
2010s	25	72%	20%	4%	—
2020s	3	67%	33%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7.Bd2	72%	67%	▼ -5.3%
7.Qc2	20%	33%	▲ +13.3%
7.Nf3	4%	0%	▼ -4.0%
7.Bb2	0%	0%	+0.0%

Parties historiques

7.Bd2 — 66.0% (62 parties)

1950 — Borisenko, Georgy K vs Sokolsky, Alexey — 1-0 — Moskou ch-URS
1950 — Van't Veer, P. vs Barda, Olaf — 0-1 — corr Wch1
1950 — Bronstein, David I vs Boleslavsky, Isaac — 1/2-1/2 — Moscow RUS
1950 — Sanguinetti, Renato vs Acoltzi Ruiz, Mariana — 1/2-1/2 — Mar del Plata ARG
1951 — Esposito, Alfredo vs De Souza Mendes, Joao — 1-0 — Mar del Plata ARG

7.Qc2 — 24.5% (23 parties)

1951 — Gonzalez, Juan Dr vs Sandrin, Albert — 1/2-1/2 — Forth Worth
1964 — Piket, Joop vs Agnes, Corrado — 1-0 — Krakow POL
1973 — Shereshevski, Mikhail vs Vasiukov, Evgeni — 1-0 — URS Army
1985 — Ree, Hans vs Romanishin, Oleg M — 1/2-1/2 — Wijk aan Zee NED
1985 — Belistri, Ubaldo vs Vazquez, Lautaro Tomas — 1-0 — Uruguay

7.Nf3 — 3.2% (3 parties)

1950 — Kozomara, Vlado vs Kukovec, Boris — 1-0 — Yugoslavia
1970 — Knaak, Rainer vs Heinig, Wolfram, Dr. — 1/2-1/2 — Cesky Brod
2016 — Kocanovic, Armin vs Jovovic, Milan — 1/2-1/2 — Sarajevo BIH

7.Bb2 — 3.2% (3 parties)

1981 — Haik, Aldo vs Murey, Jacob — 0-1 — Manchester ENG
1994 — Golder, Louis vs Aditya Tamrakar — 0-1 — Mineola
2006 — Hendi, Peter vs Czimer, Jozsef — 0-1 — ?

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