E29e — Nimzo-Indian: Saemisch, 5…O-O 6.e3 c5 7.Bd3 Nc6 8.Ne2 d6

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 O-O 6.e3 c5 7.Bd3 Nc6 8.Ne2 d6 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte f4, Bd3 actif, paire de fous, colonne b.
Faiblesses adverses : Bc8 enfermé.
Problèmes : roi au centre, Bc1 enfermé, arriéré c3, isolé a3, 3 pièces non développées (C1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● 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.
Plans :
● ...Bd7 — PRIORITÉ: libérer le Bc8 (...Bd7, b6+Bb7, ...Bf5)
● ...d5 — Rupture
● ...e5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

E29e — Saemisch

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.a3 Bxc3+ 5.bxc3 O-O 6.e3 c5 7.Bd3 Nc6 8.Ne2 d6

Eval: [+0.35]

Les coups candidats

9.O-O — 61.3% (273 parties)

Ambassadeurs : Jackson, Sheila (3x), Denker, Arnold S (2x), Balanel, Ion (2x), Brzozka, Stefan (2x), Blocker, Calvin (2x), Rossolimo, Nicolas (2x), Augusto Peixeiro Dos Santos, Ceza (2x), Alberto Martin, Bernardo (2x)

9.e4 — 32.4% (144 parties)

Ambassadeurs : Stahlberg, Gideon (3x), Bezzola, Plinio (2x), Dehmelt, Karl (2x), Russell, Corey (2x), Vodicka, Milan (2x), Bondarevsky, Igor (1x), Botvinnik, Mikhail (1x), Bolbochan, J. (1x)

9.Ng3 — 4.3% (19 parties)

Ambassadeurs : Rossetto, Hector (2x), Vasconcellos, Fernando O (2x), Pedersen, Nicolai Vesterbaek (2x), Botvinnik, Mikhail (1x), Keres, Paul Petrovich (1x), Ribeiro Sabino (1x), Belem Luciano (1x), Aguilar Aleman, Diego Ignacio (1x)

9.Qc2 — 0.9% (4 parties)

Ambassadeurs : Cajetan Clement, Calista Abigail (1x), Righi, Ezio (1x), Pletinka, Sergei (1x), Ermolov, Vasily (1x), Benson, Oisin P. (1x), O`Donnell, Conor (1x), Pigeat, Alexandre (1x), Noboa Silva, Kevin (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9.O-O	9.e4	9.Ng3	9.Qc2
<1800	5	80%	20%	—	—
1800-2200	148	70%	25%	3%	1%
2200-2600	157	57%	36%	6%	1%
2600+	3	—	100%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	9.O-O	9.e4	9.Ng3	9.Qc2
1930s	1	—	—	100%	—
1940s	20	75%	25%	—	—
1950s	31	48%	39%	13%	—
1960s	14	50%	50%	—	—
1970s	13	46%	54%	—	—
1980s	43	60%	40%	—	—
1990s	86	62%	31%	5%	1%
2000s	87	63%	26%	8%	—
2010s	103	69%	27%	1%	3%
2020s	47	53%	38%	4%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9.O-O	69%	53%	▼ -15.7%
9.e4	27%	38%	▲ +11.1%
9.Ng3	1%	4%	▲ +3.3%
9.Qc2	3%	0%	▼ -2.9%

Joueurs célèbres

Champions du monde dans cette position

Botvinnik, Mikhail — 2 parties
Smyslov, Vladimir — 1 partie

Parties historiques

9.O-O — 61.3% (273 parties)

1941 — Nuernberg, Friedrich vs Mueller, Hans — 0-1 — Bad Oeynhausen GER
1942 — Mikenas, Vladas vs Vulfson, Vladimir — 1-0 — Kuibyshev
1946 — Denker, Arnold S vs Smyslov, Vasily — 0-1 — Moscow RUS
1946 — Denker, Arnold S vs Smyslov, Vladimir — 0-1 — Moscow RUS
1947 — Pruyt, P H vs Van den Berg, Carel B — 0-1 — Amsterdam NED

9.e4 — 32.4% (144 parties)

1940 — Bondarevsky, Igor vs Botvinnik, Mikhail — 1-0 — Moskou ch-URS
1946 — Stahlberg, Gideon vs Bolbochan, J. — 1/2-1/2 — Mar del Plata ARG
1948 — Castillo Larenas, Mariano vs Luckis, Marcos — 1/2-1/2 — Mar del Plata ARG
1949 — Cruz, Walter vs Oliveira Washington — 1-0 — Rio de Janeiro BRA
1949 — Sajtar, Jaroslav vs Balogh, Janos — 0-1 — Bucharest ROU

9.Ng3 — 4.3% (19 parties)

1938 — Botvinnik, Mikhail vs Keres, Paul Petrovich — 1/2-1/2 — Nederland
1951 — Rossetto, Hector vs Vasconcellos, Fernando O — 1-0 — Mar del Plata zt Mar
1951 — Ribeiro Sabino vs Belem Luciano — 1-0 — Fortaleza BRA
1951 — Rossetto, Hector vs Vasconcellos, Fernando O — 1-0 — Mar del Plata ARG
1952 — Aguilar Aleman, Diego Ignacio vs Abad Gonzalez, Jose Miguel — 0-1 — Havana CUB

9.Qc2 — 0.9% (4 parties)

1990 — Cajetan Clement, Calista Abigail vs Righi, Ezio — 0-1 — Novi Sad SRB
2012 — Benson, Oisin P. vs O`Donnell, Conor — 0-1 — Bunratty IRL
2014 — Pletinka, Sergei vs Ermolov, Vasily — 1/2-1/2 — Lazarevskoe
2018 — Pigeat, Alexandre vs Noboa Silva, Kevin — 1-0 — Manavgat TUR

	♔ Blancs	♚ Noirs
Pions doublés	● c3, ● c4	—
Pions isolés	● a3	—
Arriérés	● c3	—
Chaînes	● f2→e3, c3→d4, e3→d4	● d6→c5, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0)	—
Cases faibles	—	—
Centre	● d4 (3v2)	● d5 (2v1), ● e5 (2v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● b	—

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 2)
Bd3	● Bd3 Actif (mob. 6)
Bc8		● Bc8 Non développé (mob. 1)
Paire de fous	● Oui	Non
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	semi-ouvert
Ruptures	● d4-d5, ● e3-e4, ● f2-f3	● …d6-d5, ● …e6-e5

Partie
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
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 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
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 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 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 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
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 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
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 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
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
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
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
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
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 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
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
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
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 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

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