A26p — English: Botvinnik System, 6…Nf6

1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.e4 Nf6 7.Nf3 O-O 8.O-O * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte e4, case forte b5, case forte d5, case forte g5, paire de fous.
Faiblesses adverses : arriéré f7, Bg7 enfermé, Bc8 enfermé.
Problèmes : Bc1 enfermé, Bg2 enfermé, arriérés f2, d3.
Plans :
● Bg5 — Clouer Nf6
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte d4, case forte g4, case forte e5, avant-poste d4(C), paire de fous.
Faiblesses adverses : arriérés f2, d3, Bc1 enfermé, Bg2 enfermé.
Problèmes : Bg7 enfermé, Bc8 enfermé, arriéré f7.
Plans :
● ...Bg4 — Développer Bc8, clouer Nf3
● ...d5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

A26p — Botvinnik System

1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.e4 Nf6 7.Nf3 O-O 8.O-O

Eval: [+0.07]

Les coups candidats

8…h6 — 30.8% (92 parties)

Ambassadeurs : Havrlik, Pavel (2x), Sher, Miron (2x), Hansen, Curt (2x), De Coverly, Roger D (2x), Golmayo Torriente, Manuel (1x), Toran Albero, Roman (1x), Sabao Alvarado, Carlos (1x), Garcia Palermo, Carlos Horacio (1x)

8…Bg4 — 23.7% (71 parties)

Ambassadeurs : Parr, Frank (1x), Thomas, Richard Huw (1x), Lisitsin, Georgy (1x), Spassky, Boris V. (1x), Bird Pico, Enrique (1x), Gaspar, Vache (1x), Heidfeld, Jan (1x), Halbritter, Jonas (1x)

8…Bd7 — 9.4% (28 parties)

Ambassadeurs : Forteza Valls, Jose Maria (1x), Fanjul Garcia-San Miguel, Jose Luis (1x), Hamm Kathrin (1x), Heintze, Marion (1x), Weltz, Elvira (1x), Sotter-Klundt, Gerlinde (1x), Acosta Ruiz, Francisco (1x), Kamanel Zamora, Juan Felipe (1x)

8…Nd7 — 9.0% (27 parties)

Ambassadeurs : Van Oosterom, Hennie (1x), Scholl, Eckhard (1x), Stoll, Drew Lamb (1x), Kleinplatz, Sam (1x), Dyer C. Smith (1x), Cummins, Arthur (1x), Boensch, Uwe (1x), Uhlmann, Wolfgang (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8…h6	8…Bg4	8…Bd7	8…Nd7
<1800	18	39%	28%	11%	—
1800-2200	122	33%	26%	7%	10%
2200-2600	68	38%	15%	10%	10%
2600+	3	33%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	8…h6	8…Bg4	8…Bd7	8…Nd7
1950s	3	33%	33%	—	—
1960s	4	—	25%	25%	50%
1970s	9	56%	11%	—	22%
1980s	9	56%	—	22%	11%
1990s	84	33%	19%	13%	4%
2000s	89	24%	26%	9%	16%
2010s	86	36%	28%	5%	6%
2020s	15	7%	33%	13%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8…h6	36%	7%	▼ -29.4%
8…Bg4	28%	33%	▲ +5.4%
8…Bd7	5%	13%	▲ +8.7%
8…Nd7	6%	0%	▼ -5.8%

Parties historiques

8…h6 — 30.8% (92 parties)

1956 — Golmayo Torriente, Manuel vs Toran Albero, Roman — 1/2-1/2 — Barcelona ESP
1973 — Padevsky, Nikola vs Ghitescu, Theodor — 1/2-1/2 — Poiana Brasov
1974 — Sabao Alvarado, Carlos vs Garcia Palermo, Carlos Horacio — 0-1 — Caseros ch-ARG
1974 — Williamson, Robbie vs De Coverly, Roger D — 0-1 — County match
1975 — Buchenthal, Dieter vs Nikolaiczuk, Lothar — 1-0 — Meinberg

8…Bg4 — 23.7% (71 parties)

1955 — Lisitsin, Georgy vs Spassky, Boris V. — 1/2-1/2 — Moskou ch-URS
1969 — Parr, Frank vs Thomas, Richard Huw — 1-0 — Rhyl ch-BCF
1976 — Bird Pico, Enrique vs Gaspar, Vache — 1/2-1/2 — Caracas VEN
1990 — Persson, Gustaf vs Backlund Bo — 0-1 — ?
1992 — Castrogiovanni, Carlo vs Nicevski, Dejan — 0-1 — Naples ITA

8…Bd7 — 9.4% (28 parties)

1967 — Forteza Valls, Jose Maria vs Fanjul Garcia-San Miguel, Jose Luis — 0-1 — Palma de Majorca ESP
1985 — Hamm Kathrin vs Heintze, Marion — 0-1 — Jueterbog
1988 — Weltz, Elvira vs Sotter-Klundt, Gerlinde — 1/2-1/2 — ?
1990 — Bittner, Axel vs Baensch, Hans — 1-0 — ICCF World Cup6-7 sf21
1993 — Gyurkovics, Miklos vs Foldi, Jozsef — 1/2-1/2 — Hungary 2 tt

8…Nd7 — 9.0% (27 parties)

1968 — Van Oosterom, Hennie vs Scholl, Eckhard — 1/2-1/2 — Amsterdam NED
1969 — Stoll, Drew Lamb vs Kleinplatz, Sam — 1/2-1/2 — Pointe Clare res
1970 — Dyer C. Smith vs Cummins, Arthur — 0-1 — Manchester ENG
1978 — Voyska, Margarita vs Makropoulou, Marina — 1/2-1/2 — Baile Herculane
1981 — Boensch, Uwe vs Uhlmann, Wolfgang — 1-0 — Halle GER

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	● f2, ● d3	● f7
Chaînes	● f2→g3, h2→g3, d3→c4, d3→e4	● d6→e5, c7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e4 (2v1), ● b5 (2v0), ● d5 (3v1), ● g5 (2v0)	● d4 (2v1), ● g4 (2v0), ● e5 (2v1)
Cases faibles	—	—
Centre	● d5 (3v1), ● e4 (2v1)	● d4 (2v1), ● e5 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Enfermé (mob. 2)
Bg7		● Bg7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	2 (c1, a1)	2 (c8, a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c4-c5, ● d3-d4	● …d6-d5

Partie
1955 Moskou ch-URS – Round 1 – Lisitsin, Georgy – 1/2-1/2 – Spassky, Boris V. – G122 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d6 6. Nc3 Nc6 7. d3 e5 8. e4 Bg4 9. h3 Bxf3 10. Bxf3 Nd7
1958 Mar del Plata – Round 6 – Sumar, Julio – 1-0 – Eliskases, Erich – G49 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d6 6. c4 e5 7. Nc3 Nc6 8. e4 Nh5 9. Ne1 Nd4 10. Be3 f5
1969 Rhyl ch-BCF – Round 1 – Parr, Frank – 1-0 – Thomas, Richard Huw – G18 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. c4 d6 6. Nc3 e5 7. d3 Nc6 8. e4 Bg4 9. h3 Bxf3 10. Bxf3 Nd4
3. Norway Chess 2015 – Round 2.5 – Hammer, Jon Ludvig – 1/2-1/2 – Vachier-Lagrave, Maxime – G10 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. e4 d6 8. d3 h6 9. Be3 Kh7 10. h3 Nd7
FIDE World Blitz Championship 2025 – Round 2 – Cristobal Henriquez Villagra – 0-1 – Haik M. Martirosyan – G35 1. e4 e5 2. d3 Nc6 3. Nf3 g6 4. g3 Bg7 5. Bg2 Nf6 6. O-O O-O 7. c4 d6 8. Nc3 a6 9. h3 Rb8 10. Be3 b5

1955 Moskou ch-URS – Round 1 – Lisitsin, Georgy – 1/2-1/2 – Spassky, Boris V. – G122

1958 Mar del Plata – Round 6 – Sumar, Julio – 1-0 – Eliskases, Erich – G49

1969 Rhyl ch-BCF – Round 1 – Parr, Frank – 1-0 – Thomas, Richard Huw – G18

3. Norway Chess 2015 – Round 2.5 – Hammer, Jon Ludvig – 1/2-1/2 – Vachier-Lagrave, Maxime – G10

FIDE World Blitz Championship 2025 – Round 2 – Cristobal Henriquez Villagra – 0-1 – Haik M. Martirosyan – G35