A36o — English: Symmetrical, Botvinnik, 5…Nf6 6.Nge2

1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e4 Nf6 6.Nge2 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur les cases fortes f4, b5 et d5 et la paire de fous.

Côté adverse. Les fous enfermés en g7 et c8 et le roi resté au centre.

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

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; d3 (Libérer Bc1).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur les cases fortes b4 et d4, un avant-poste en d4 et la paire de fous.

Côté adverse. Le fou enfermé en c1 et le roi resté au centre.

En contrepartie. Le roi n'est pas encore à l'abri et plusieurs pièces dorment encore (le fou c8 et les tours a8 et h8).

Plans. O-O (Mettre le roi en sécurité, connecter les tours) ; ...d6 (Libérer Bc8) ; ...d5 (Rupture) ; ...e6 (Rupture) ; ...e5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● f2→g3, h2→g3	● f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● b5 (2v0), ● d5 (3v1)	● b4 (2v0), ● d4 (2v1)
Cases faibles	—	—
Centre	● d5 (3v1), ● e4 (2v1)	● d4 (2v1), ● e5 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bg2	● Bg2 Ok (mob. 3)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	3 (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	semi-ouvert
Ruptures	● d2-d3, ● e4-e5, ● f2-f3	● …d7-d6, ● …d7-d5, ● …e7-e6, ● …e7-e5

Partie
1938 URS Ch, semi final – Round 13 – Shamaev, Leonid – 0-1 – Yudovich, Mikhail M – G65 1. c4 Nf6 2. Nc3 c5 3. e4 Nc6 4. g3 g6 5. Bg2 Bg7 6. Nge2 O-O 7. d4 cxd4 8. Nb5 e5 9. Nd6 Qe7 10. Nxc8 Raxc8
1956 URS Ch sf – Round ? – Stoliar, Efim Samoilovich – 1-0 – Zilber, Israel – G16 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e4 Nc6 6. Nge2 O-O 7. a3 Ne8 8. Rb1 Nc7 9. b4 d6 10. O-O Ne6
1957 Moskou ch-URS – Round 8 – Taimanov, M. – 1/2-1/2 – Kortchnoi, V. – G79 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e4 Nc6 6. Nge2 O-O 7. a3 d6 8. Rb1 Ne5 9. d3 Bg4 10. h3 Bf3
1957 Reykjavik – Round 13.4 – Gurgenidze, Bukhuti – 0-1 – Saidy, Anthony – G66 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e4 Nc6 6. Nge2 O-O 7. Rb1 d6 8. a3 Bd7 9. O-O Qc8 10. b4 Bh3
1957 Sombor – Round 12 – Vukovic, Sava – 1/2-1/2 – Smailbegovic, H. – G116 1. c4 g6 2. Nc3 Bg7 3. g3 Nf6 4. Bg2 c5 5. e4 Nc6 6. Nge2 O-O 7. a3 Ne8 8. d3 Nc7 9. Rb1 Ne6 10. b4 b6
1959 URS Team Ch – Round 1 – Shishov, Mikhail – 0-1 – Suetin, Alexey S – G8 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e4 Nc6 6. Nge2 O-O 7. O-O a6 8. d3 Rb8 9. Be3 d6 10. h3 b5
1960 Buenos Aires ch-ARG – Round 13 – Aguilar Dominguez, Cristhel Guadalupe – 1-0 – Bielicki, Carlos – G92 1. e4 c5 2. c4 Nc6 3. g3 g6 4. Bg2 Bg7 5. Ne2 Nf6 6. Nbc3 O-O 7. O-O Ne8 8. d3 Nc7 9. Be3 d6 10. Rb1 Bg4
1960 Mar del Plata – Round 1 – Eliskases, Erich – 0-1 – Wexler, Bernardo – G1 1. c4 c5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. e4 Nc6 6. Nge2 Rb8 7. a3 O-O 8. Rb1 d6 9. O-O Ne8 10. b4 Nc7
1962 Poznan ch POL – Round 4 – Sliwa, Bogdan – 1-0 – Gromek, Jozef – G19 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e4 Nc6 6. Nge2 O-O 7. O-O a6 8. d3 Rb8 9. b3 b5 10. Bb2 Ne8
1963 CSR Ch – Round 10 – Ujtelky, Maximilian – 0-1 – Hybl, Jaroslav – G94 1. g3 c5 2. Bg2 Nc6 3. e4 g6 4. Ne2 Bg7 5. c4 Nf6 6. Nbc3 O-O 7. d3 Ne8 8. h4 d6 9. h5 Nd4 10. Nxd4 cxd4
1963 POL Ch 20th – Round 4 – Sliwa, Bogdan – 0-1 – Balcerowski, Witold – G21 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e4 Nc6 6. Nge2 O-O 7. O-O a6 8. d3 Rb8 9. a4 d6 10. f4 Ne8
1964 CSR Ch – Round 16 – Ujtelky, Maximilian – 0-1 – Jansa, Vlastimil – G119 1. c4 Nf6 2. g3 c5 3. Bg2 g6 4. Nc3 Bg7 5. e4 Nc6 6. Nge2 O-O 7. d3 d6 8. h3 Ne8 9. Be3 Nc7 10. Qd2 Nd4
1964 CSR Ch – Round 3 – Ujtelky, Maximilian – 1/2-1/2 – Hýbl, Jaroslav – G17 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e4 Nf6 6. Nge2 O-O 7. d3 Rb8 8. h3 a6 9. Be3 d6 10. Rc1 b5
1964 Worcester US Open – Round 5 – Zalys, Ignas – 1-0 – Graves, Peter – G4 1. c4 g6 2. Nc3 Bg7 3. g3 c5 4. Bg2 Nc6 5. e4 Nf6 6. Nge2 O-O 7. O-O Rb8 8. d3 a6 9. a4 d6 10. h3 Nd4
1966 WchT U26 fin-A 13th – Round 11 – Gat, Israel – 0-1 – Smejkal, Jan – G28 1. c4 g6 2. Nc3 Nf6 3. e4 c5 4. g3 Nc6 5. Bg2 Bg7 6. Nge2 O-O 7. O-O Rb8 8. d3 a6 9. Be3 d6 10. h3 b5
1967 DSV-Turnier – Round 5 – Sliwa, Bogdan – 1/2-1/2 – Golz, Werner – G28 1. c4 g6 2. g3 Bg7 3. Bg2 c5 4. Nc3 Nc6 5. e4 Nf6 6. Nge2 O-O 7. O-O Ne8 8. Rb1 Nc7 9. a3 d6 10. b4 Ne6
1967 Szczecin ch POL – Round 2 – Sliwa, Bogdan – 1-0 – Balcerowski, Witold – G7 1. c4 c5 2. g3 Nf6 3. Bg2 g6 4. Nc3 Bg7 5. e4 Nc6 6. Nge2 O-O 7. O-O a6 8. d3 Rb8 9. a4 Ne8 10. Be3 d6
1967 YUG-URS – Round 7 – Ivkov, Borislav – 1/2-1/2 – Gligorić, Svetozar – G24 1. g3 c5 2. Bg2 Nc6 3. c4 g6 4. Nc3 Bg7 5. e4 Nf6 6. Nge2 O-O 7. a3 d6 8. Rb1 Ne8 9. b4 Nc7 10. O-O Ne6
1967 YUG-URS – Round 9 – Ivkov, Borislav – 1/2-1/2 – Gipslis, Aivars – G27 1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. e4 Nf6 6. Nge2 O-O 7. a3 Ne8 8. Rb1 a5 9. O-O Nc7 10. d3 Ne6
1968 Belgrade – Round 1 – Ujtelky, Maximilian – 0-1 – Gipslis, Aivars – G2 1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. e4 Nf6 6. Nge2 O-O 7. O-O Ne8 8. d3 Nc7 9. h3 a6 10. Be3 Ne6
1968 CSR Ch – Round 7 – Filip, Miroslav – 1/2-1/2 – Kupka, Slavoj – G57 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 c5 5. e4 Nc6 6. Nge2 O-O 7. O-O Ne8 8. d3 Nc7 9. Be3 Ne6 10. Rb1 d6
1973 Leningrad Interzonal – Round 2 – Taimanov, Mark – 1/2-1/2 – Tukmakov, Vladimir B – G27 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e4 Nc6 6. Nge2 O-O 7. O-O Ne8 8. a3 Nc7 9. Rb1 a5 10. d3 Ne6

A36o — Symmetrical Botvinnik

1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.e4 Nf6 6.Nge2

Eval: [-0.09]

Les coups candidats

6…O-O — 65.6% (1265 parties)

Ambassadeurs : Miezis, Normunds (16x), Weyerstrass, Ronald (10x), Sliwa, Bogdan (8x), Kruimer, H J (7x), Ujtelky, Maximilian (5x), Timon Piote, Silvia (5x), Popchev, Milko (5x), Thompson, Ian D (4x)

6…d6 — 28.7% (554 parties) →

Ambassadeurs : Miezis, Normunds (11x), Weyerstrass, Ronald (10x), Ivacic, Vladimir (4x), Bobotsov, Milko G (3x), Tiefenbach, Wilfried (3x), Welin, Thomas (2x), Pilgaard, Kim (2x), Galic, Zeljko (2x)

6…e5 — 3.9% (75 parties)

Ambassadeurs : Reshko, Aron (1x), Volovich, Anatoly (1x), Harewood, Othneil (1x), Noaman, H. (1x), Lauvsnes, Arild (1x), Vestly, Jan Vidar (1x), Kolb, Roland (1x), Madzarevic, Tomislav (1x)

6…h5 — 0.5% (10 parties)

Ambassadeurs : Kraich, Klaus (1x), Gutzeit, Kurt (1x), Lengyel, Laszlo (1x), Horvath, Sandor (1x), Biskopics, Marton (1x), Kadar, Gabor (1x), Bove Quist, Viggo (1x), Bank Friis, Carsten (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6…O-O	6…d6	6…e5	6…h5
<1800	71	70%	17%	7%	3%
1800-2200	807	62%	31%	5%	0%
2200-2600	672	71%	26%	1%	1%
2600+	6	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	6…O-O	6…d6	6…e5	6…h5
1920s	1	—	100%	—	—
1930s	1	100%	—	—	—
1940s	1	100%	—	—	—
1950s	17	53%	47%	—	—
1960s	44	73%	20%	2%	—
1970s	48	75%	25%	—	—
1980s	113	70%	26%	3%	—
1990s	361	68%	27%	4%	0%
2000s	553	64%	30%	5%	0%
2010s	636	66%	27%	4%	1%
2020s	152	57%	41%	2%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6…O-O	66%	57%	▼ -9.6%
6…d6	27%	41%	▲ +13.7%
6…e5	4%	2%	▼ -2.4%
6…h5	1%	1%	-0.4%

Joueurs célèbres

Champions du monde dans cette position

Botvinnik, Mikhail — 1 partie
Anand, Viswanathan — 1 partie

Parties historiques

6…O-O — 65.6% (1265 parties)

1938 — Shamaev, Leonid vs Yudovich, Mikhail M — 0-1 — Kiev UKR
1949 — Shamaev, Leonid vs Zagoriansky, Evgeny — 0-1 — Leningrad RUS
1956 — Stoliar, Efim Samoilovich vs Zilber, Israel — 1-0 — Leningrad RUS
1957 — Vukovic, Sava vs Smailbegovic, H. — 1/2-1/2 — Sombor
1957 — Taimanov, M. vs Kortchnoi, V. — 1/2-1/2 — Moskou ch-URS

6…d6 — 28.7% (554 parties)

1923 — Hilse, Wilhelm H vs Wegemund, Otto — 1-0 — Frankfurt GER
1956 — Botvinnik, Mikhail vs Szabo, Ladislav — 1/2-1/2 — Moscow RUS
1956 — Olafsson, Fridrik vs Alvarez Flores, Aurelio Alan — 1-0 — Moscow RUS
1956 — Balanel, Ion vs Larsen, Benjamin Holsko — 0-1 — Moscow RUS
1957 — Freund Arias, Sebastian vs Boey, Josef — 0-1 — Antwerp BEL

6…e5 — 3.9% (75 parties)

1960 — Reshko, Aron vs Volovich, Anatoly — 0-1 — Rostov on Don
1982 — Kolb, Roland vs Madzarevic, Tomislav — 1-0 — Zurich SUI
1986 — Harewood, Othneil vs Noaman, H. — 1/2-1/2 — Dubai olm
1989 — Lauvsnes, Arild vs Vestly, Jan Vidar — 1-0 — Stavanger NOR
1990 — Byggmastar, Lars vs Myllyniemi, Martti — 0-1 — Turku,FIN

6…h5 — 0.5% (10 parties)

1998 — Kraich, Klaus vs Gutzeit, Kurt — 1-0 — Regionalliga NW9899
2000 — Lengyel, Laszlo vs Horvath, Sandor — 1-0 — Hajduszoboszlo
2012 — Bove Quist, Viggo vs Bank Friis, Carsten — 0-1 — Fredericia
2013 — Biskopics, Marton vs Kadar, Gabor — 0-1 — HUN
2015 — Lugo, Manuel vs Espinoza, C Enrique E — 0-1 — Asuncion PAR

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