B26m — Sicilian: Closed, 6.Be3 e6 7.Qd2 Qa5

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Be3 e6 7.Qd2 Qa5 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Plans. Nge2 (Développer g1 — 44 % des parties) ; f4 (Attaque à l'aile roi — 22 % des parties) ; Nf3 (Développer g1 — 18 % des parties) ; Nh3 (Développer g1 — 8 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plans. ...Nd4 (Cavalier centralisé en d4 — 64 % des parties) ; ...Nge7 (Développer g8 — 22 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● c2→d3, f2→g3, h2→g3, d3→e4	● d6→c5, f7→e6, f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bg2	● Bg2 Ok (mob. 3)
Be3	● Be3 Actif (mob. 5)
Bg7		● Bg7 Actif (mob. 6)
Bc8		● Bc8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Non développées	3 (● g1, ● a1, ● h1)	4 (● g8, ● 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	● d3-d4, ● e4-e5	● …c5-c4, ● …d6-d5, ● …f7-f5

Partie
1942 Sverdlovsk – Round 10 – Mikenas, Vladas – 1-0 – Ilivitsky, Georgy A – G49 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Qd2 Qa5 8. Nh3 Bd7 9. O-O Nd4 10. Kh1 h5
1946 Moscow-Prague – Round 8 – Smyslov, Vladimir – 1-0 – Kottnauer, Cenek – G37 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Qd2 Qa5 8. Nge2 Nd4 9. O-O Ne7 10. Kh1 Bd7
1947 GB-Czechoslovakia – Round 2 – Bellod Thomas, Gonzalo – 1-0 – Kottnauer, Cenek – G8 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Qd2 Qa5 8. Nge2 Nd4 9. O-O Nxe2+ 10. Nxe2 Qxd2
1947 Leningrad ch-URS – Round 6 – Bronstein, David I – 1-0 – Aronin, Lev – G74 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Qd2 Qa5 8. Nge2 Nd4 9. O-O Ne7 10. Kh1 Bd7
1948 Buenos Aires/La Plata it – Round 1 – Acharam Medina, Sebastian Alejandro – 1-0 – Iliesco, Juan – G19 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Qd2 Qa5 8. Nge2 Nd4 9. O-O Ne7 10. Nc1 Bd7
1955 DDR Ch 06th – Round 11 – Dorawa, Bernhard – 1-0 – Koch, Berthold – G52 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Qd2 Qa5 8. Nge2 Nd4 9. Nc1 Ne7 10. O-O Bd7
1955 Marshall CC Ch 5556 – Round 6 – Seidman, Herbert – 0-1 – Saidy, Anthony – G18 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Qd2 Qa5 8. Nh3 h6 9. O-O Nge7 10. f4 f5
1959 Warsaw Legion tt – Round 1.1 – Smederevac, Petar – 1-0 – Spanjaard, Eduard – G1 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Qd2 Qa5 8. Nge2 Nd4 9. Nc1 Ne7 10. O-O Nec6
1960 Avantgard Ch – Round 9 – Kostiuchenko, Alexander – 1/2-1/2 – Zimin Yuri A – G46 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. d3 Bg7 5. Be3 d6 6. Bg2 e6 7. Qd2 Qa5 8. Bf4 e5 9. Bg5 Nd4 10. f3 h6
1960 Mar del Plata – Round 1 – Redolfi, Argentino Rodolfo – 0-1 – Aguilera Bazan, Oscar – G18 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Qd2 Qa5 8. Nge2 Nd4 9. Nf4 Ne7 10. O-O h5
1963 AUS Ch – Round 10 – Ozols, Karlis – 1-0 – Purdy, John S – G11 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 e6 7. Qd2 Qa5 8. Nge2 Nd4 9. O-O Ne7 10. a3 Nec6
1963 Budapest ch-HUN – Round 1 – Flesch, Jean-benoit – 1/2-1/2 – Liptay, Laszlo Dr. – G117 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Qd2 Qa5 8. Nge2 Nd4 9. O-O Ne7 10. Nc1 O-O
1964 Moscow Ch – Round ? – Zaitsev, Igor A – 1/2-1/2 – Estrin, Yakov – G50 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Qd2 Qa5 8. Nge2 Nd4 9. O-O Ne7 10. a3 Nec6
1966 ARMIES-ch3 Prague CZE – Round 5 – Novak, Ervin – 1/2-1/2 – Bobotsov, Milko G – G5 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 e6 7. Qd2 Qa5 8. Nf3 Nd4 9. O-O Ne7 10. Bh6 Bxh6
1966 IBM-B – Round 5 – Bakker, Piet – 1/2-1/2 – Ostojic, Predrag – G14 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Qd2 Qa5 8. Nh3 Nd4 9. O-O Ne7 10. f3 O-O
1967 IBM-B – Round 8 – Smederevac, Petar – 1/2-1/2 – Tatai, Stefano – G22 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Qd2 Qa5 8. Nge2 Nd4 9. O-O Ne7 10. Nc1 O-O
1967 Sousse Interzonal – Round 22 – Stein, Leon Rico – 1-0 – Sarapu, Ortvin – G210 1. g3 g6 2. Bg2 Bg7 3. e4 c5 4. d3 Nc6 5. Nc3 e6 6. Be3 d6 7. Qd2 Qa5 8. Nge2 Nd4 9. O-O Ne7 10. a3 Nec6
1968 Lugano olm - Round 1 - Augustin, Josef - 0-1 - Byrne, David - G157 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 e6 7. Qd2 Qa5 8. Nf3 Nd4 9. O-O Bd7 10. a3 Rc8
1969 Luhacovice – Round 8 – Augustin, Joseph – 1/2-1/2 – Kupka, Slavoj – G67 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 e6 7. Qd2 Qa5 8. Nf3 Nd4 9. O-O Bd7 10. Nh4 Rb8
Biel Interzonal 1985 – Round 8 – Ljubojevic, Ljubomir – 1-0 – Rodriguez Cespedes, Amador – G23 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. d3 Bg7 5. Be3 d6 6. Qd2 e6 7. Bg2 Qa5 8. Nf3 Nd4 9. O-O Bd7 10. Bf4 Qb6
Interpolis 1985 – Round 10 – Ljubojevic, Ljubomir – 1/2-1/2 – Polugaevsky, Lev – G36 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. d3 Bg7 5. Be3 d6 6. Qd2 e6 7. Bg2 Qa5 8. Nf3 Nd4 9. O-O Bd7 10. Bf4 Qb6

B26m — Closed (1942)

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Be3 e6 7.Qd2 Qa5

Les coups candidats

8.Nge2 — 43.8% (383 parties)

Ambassadeurs : Perez, Flavio (7x), Letay, Gyula (6x), Osterling, Gosta (3x), Houska, Jovanka (3x), Geisler, Fabian (3x), Jedlicka, Ales (3x), Van Oosten, Arend (3x), Smederevac, Petar (2x)

8.f4 — 22.2% (194 parties)

Ambassadeurs : Blatny, Frantisek (3x), Haskelman, Evgen (3x), Huebner, Robert (2x), Autowicz, Zenon (2x), Stepovaia, Tatiana (2x), Peter, Thomas (2x), Wanzek, Daniel (2x), Koubek, Vaclav (2x)

8.Nf3 — 18.1% (158 parties)

Ambassadeurs : Koukoufikis, Alexandros (4x), Prats Rodriguez, Juan Bosco (4x), Paramentic, Mila (3x), Bushill, Michael S (3x), Weiss, Augustin (2x), Polak, Jaroslav Prof (2x), Ljubojevic, Ljubomir (2x), Privalov, Vladimir (2x)

8.Nh3 — 7.7% (67 parties)

Ambassadeurs : Brueggemann, Joachim (2x), Wiesner, Gundula (2x), Borngaesser, Rene (2x), Wisskirchen, Andreas (2x), Seidman, Herbert (1x), Saidy, Anthony (1x), Bakker, Piet (1x), Ostojic, Predrag (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8.Nge2	8.f4	8.Nf3	8.Nh3
<1800	21	43%	14%	24%	5%
1800-2200	406	46%	26%	15%	5%
2200-2600	318	40%	22%	20%	11%
2600+	1	—	—	100%	—

Évolution par décennie (% des parties)

Décennie	N parties	8.Nge2	8.f4	8.Nf3	8.Nh3
1950s	14	43%	14%	14%	14%
1960s	24	71%	—	17%	4%
1970s	20	40%	15%	15%	20%
1980s	54	35%	26%	11%	15%
1990s	287	37%	24%	24%	8%
2000s	333	48%	20%	17%	6%
2010s	132	48%	29%	10%	6%
2020s	11	36%	18%	18%	18%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.Nge2	48%	36%	▼ -11.4%
8.f4	29%	18%	▼ -10.6%
8.Nf3	10%	18%	▲ +8.3%
8.Nh3	6%	18%	▲ +12.1%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Anatoly — 1 partie
Botvinnik, Mikhail — 1 partie

Parties historiques

8.Nge2 — 43.8% (383 parties)

1952 — Semenkin vs Klavins, Janis — 0-1 — Riga LAT
1953 — Kunze, Klaus vs Knothe, Karl — 0-1 — Jena GER
1955 — Macura, Emil vs Skacel, Jan — 1-0 — Prague CZE
1955 — Dorawa, Bernhard vs Koch, Berthold — 1-0 — Zwickau
1956 — Franke, Heribert vs Roth, Adam — 1-0 — FRG-3Cup FS_1960/127

8.f4 — 22.2% (194 parties)

1950 — Bykova, Elizaveta vs Rubtsova, Olga — 0-1 — Moscow RUS
1953 — Engert, Immo vs Lohmann, Heinrich1 — 1/2-1/2 — Bielefeld
1971 — Buscio, Jorge vs Vassiades, Constantinos — 1-0 — Athens GRE
1971 — Vuruna, Miodrag vs Sahovic, Rastko — 0-1 — Bari ITA
1975 — Blatny, Frantisek vs Spiridonov, Nikola — 1/2-1/2 — Decin CZE

8.Nf3 — 18.1% (158 parties)

1956 — Polak, Jaroslav Prof vs Seifert, Bedrich — 1-0 — Chomutov
1956 — Polak, Jaroslav Prof vs Smetana, Jaroslav — 0-1 — Chomutov
1963 — Konrad, Eberhard vs Gerer, Josef — 1-0 — Nt Helmbrechts GER
1966 — Novak, Ervin vs Bobotsov, Milko G — 1/2-1/2 — ARMIES-ch3 Prague CZE
1968 — Weiss, Augustin vs Byrne, David — 0-1 — Lugano olm

8.Nh3 — 7.7% (67 parties)

1955 — Seidman, Herbert vs Saidy, Anthony — 0-1 — New York, NY USA
1957 — Suetin, Alexey S vs Shagalovich Abo — 1-0 — Ch URS (1/4 final), Minsk (Be
1966 — Bakker, Piet vs Ostojic, Predrag — 1/2-1/2 — Amsterdam NED
1971 — Knaak, Rainer vs Brueggemann, Joachim — 1-0 — Strasbourg ch20-DDR
1972 — Hug, Werner vs Timman, Ton — 1/2-1/2 — Graz AUT

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