B26n — Sicilian: Closed, 6.Be3 e6 7.Qd2 Nd4

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Be3 e6 7.Qd2 Nd4 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Plans. Nd1 (70 % des parties) ; Nge2 (Développer g1 — 12 % des parties) ; f4 (Attaque à l'aile roi — 6 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plans. ...Ne7 (Développer g8 — 50 % des parties) ; ...e5 (Occuper le centre — 15 % des parties) ; ...Rb8 (12 % 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)	● d4 (2v1), ● e5 (2v0)
Cases faibles	—	—
Centre	● d5 (2v1), ● e4 (3v0)	● d4 (2v1), ● e5 (2v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bg2	● Bg2 Ok (mob. 3)
Be3	● Be3 Actif (mob. 4)
Bg7		● Bg7 Actif (mob. 4)
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	● e4-e5	● …c5-c4, ● …d6-d5, ● …f7-f5

Partie
1939 Leningrad/Moscow – Round 9 – Tolush, Alexander V – 1-0 – Bondarevsky, Igor – G67 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 e6 7. Qd2 Nd4 8. Nd1 Ne7 9. c3 Ndc6 10. Bh6 O-O
1947 Schlechter Memorial – Round ? – Stoeckl, Ernst – 0-1 – Gereben, Erno – G59 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Qd2 Nd4 8. Nd1 Nf6 9. c3 Nc6 10. h3 O-O
1947 URS Ch sf – Round 13 – Kasparian, Genrikh – 1-0 – Simagin, Vladimir – G29 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Qd2 Nd4 8. Nd1 Ne7 9. c3 Ndc6 10. Bh6 O-O
1949 Southsea – Round 9 – Thomas, George Alan – 1/2-1/2 – Rossolimo, Nicolas – G27 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Qd2 Nd4 8. Nce2 Nxe2 9. Nxe2 Bxb2 10. Rb1 Bg7
1952 Moskou ch-URS – Round 1 – Smyslov, Vladimir – 1/2-1/2 – Moiseev, Oleg – G91 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Qd2 Nd4 8. f4 Ne7 9. Nd1 O-O 10. c3 Ndc6
1957 Minsk zt – Round 15 – Rozhdestvensky, Vladimir – 1/2-1/2 – Roizman, Abram Y – G106 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 e6 7. Qd2 Nd4 8. Nd1 Ne7 9. c3 Ndc6 10. Ne2 O-O
1958 WchT U26 fin-A 05th – Round 6 – Redolfi, Argentino Rodolfo – 1-0 – Tringov, Georgi P – G64 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 e6 7. Qd2 Nd4 8. Nd1 Ne7 9. c3 Ndc6 10. Bh6 O-O
1966 CSR Ch Int 1st – Round 8 – Novak, Ervin – 0-1 – Hort, Vlastimil – G41 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 e6 7. Qd2 Nd4 8. Nf3 Ne7 9. O-O O-O 10. Bh6 e5
1966 It II Beverwijk NED – Round 8 – Smederevac, Petar – 1-0 – Beni, Alfred – G26 1. e4 c5 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. d3 Nc6 6. Be3 e6 7. Qd2 Nd4 8. Nd1 Ne7 9. c3 Ndc6 10. Bh6 O-O
1968 ROM Ch – Round 17 – Troianescu, Octav – 1-0 – Varabiescu Gheorghe – G99 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Qd2 Nd4 8. Nd1 Ne7 9. c3 Ndc6 10. h4 h5
1968 ROM Ch – Round 19 – Troianescu, Octav – 1-0 – Szabo, Iuliu inactive – G112 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 e6 7. Qd2 Nd4 8. Nd1 Ne7 9. c3 Ndc6 10. Ne2 Ne5
1968 Wch7 sf2 corr – Round ? – Salm, Maxwell – 1-0 – Atabek, Fazil – G2 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 e6 7. Qd2 Nd4 8. Rb1 Qa5 9. a3 a6 10. Nf3 h5
1969 Hoogovens – Round 9 – Acuna Medina, Angel G. – 1/2-1/2 – Geller, Efim P – G73 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Qd2 Nd4 8. Nd1 Ne7 9. c3 Ndc6 10. Ne2 b6
1969 Netanya – Round 11 – Kagan, Shimon – 1-0 – Geller, Uzi – G76 1. e4 e6 2. d3 c5 3. g3 g6 4. Bg2 Bg7 5. Nc3 Nc6 6. Be3 d6 7. Qd2 Nd4 8. Nd1 e5 9. c3 Ne6 10. Ne2 h5
1969 Palma de Mallorca – Round 9 – Acharam Medina, Sebastian Alejandro – 1/2-1/2 – Penrose, Justin – G81 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. d3 Bg7 5. Be3 d6 6. Bg2 e6 7. Qd2 Nd4 8. Nd1 e5 9. c3 Ne6 10. Ne2 Ne7
1969 Zagreb – Round 7 – Hort, Vlastimil – 1-0 – Kurajica, Bojan – G53 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 Nd4 7. Qd2 d6 8. Nd1 e5 9. c3 Nc6 10. Ne2 Bg4
Corus 2002 – Round 13 – Adams, Michael – 1/2-1/2 – Timman, Jan H – G87 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Qd2 Nd4 8. Nge2 Ne7 9. O-O O-O 10. Nd1 Nxe2+
Jakarta / Yogya / Bali 1983 – Round 1 – Ljubojevic, Ljubomir – 1-0 – Wahjuwidajat, Utut Adianto – G5 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 e6 7. Qd2 Nd4 8. Nd1 e5 9. c3 Ne6 10. Ne2 Ne7
Niksic 1983 – Round 15 – Spassky, Boris V. – 1-0 – Ivanovic, Bozidar – G97 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 d6 5. d3 Bg7 6. Be3 e6 7. Qd2 Nd4 8. Nd1 f5 9. c3 Nc6 10. Ne2 Nf6
Thessaloniki olm 1984 – Round 1 – Ljubojevic, Ljubomir – 1-0 – Small, Vernon A – G8 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Qd2 Nd4 8. Nd1 Ne7 9. c3 Ndc6 10. Bh6 O-O

B26n — Closed (1939)

1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Be3 e6 7.Qd2 Nd4

Les coups candidats

8.Nd1 — 70.5% (1331 parties)

Ambassadeurs : Parkanyi, Attila (5x), Smederevac, Petar (4x), Efler, Lukas (4x), Kovacevic, Slobodan (4x), Szilagyi, Tibor (4x), Flecker, Wolfgang (3x), Lang, Heather (3x), Jonitz, Jens (3x)

8.Nge2 — 12.4% (234 parties)

Ambassadeurs : Steigman, AJ (3x), Torosian, Artak (2x), Souza Filho, Namyr Carlos (2x), Saric, Kristina (2x), Webster, Peter (1x), Stevahn, Tyler (1x), Bold, Reimer Peter Lucas (1x), Stoeckigt, Rainer (1x)

8.f4 — 6.1% (115 parties)

Ambassadeurs : Schumacher, Dennis (2x), Atalik, Ekaterina (2x), Donev, Ivo (2x), Smyslov, Vasily (1x), Moiseev, Oleg (1x), Falchetta, Giovanni (1x), Ruisinger, Werner (1x), Lebredo Zaragoitia, Gerardo (1x)

8.Nf3 — 3.9% (73 parties)

Ambassadeurs : Castellano Ojeda, Jose (3x), Munoz Perez, Ivan (3x), Brugarolas Manzaneque, Carlos (2x), Novak, Ervin (1x), Hort, Vlastimil (1x), Hankipohja Antti (1x), Dahl, Karl M (1x), Pape, Joerg, Dr. (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8.Nd1	8.Nge2	8.f4	8.Nf3
<1800	87	63%	23%	5%	3%
1800-2200	1050	69%	13%	7%	4%
2200-2600	556	76%	10%	5%	4%
2600+	3	67%	33%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	8.Nd1	8.Nge2	8.f4	8.Nf3
1950s	5	80%	—	20%	—
1960s	19	74%	11%	—	11%
1970s	21	71%	—	—	—
1980s	84	80%	11%	2%	2%
1990s	462	69%	12%	7%	5%
2000s	669	71%	11%	7%	4%
2010s	535	70%	15%	5%	2%
2020s	92	71%	15%	3%	2%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.Nd1	70%	71%	▲ +0.9%
8.Nge2	15%	15%	+0.5%
8.f4	5%	3%	▼ -1.6%
8.Nf3	2%	2%	-0.3%

Parties historiques

8.Nd1 — 70.5% (1331 parties)

1954 — Vatnikov, Josif E vs Livshin, Iosif — 0-1 — Moscow RUS
1955 — Macura, Emil vs Fischl, Kamilla — 1/2-1/2 — ?
1957 — Rozhdestvensky, Vladimir vs Roizman, Michael — 1/2-1/2 — Minsk zt
1958 — Redolfi, Argentino Rodolfo vs Tringov, Georgi P — 1-0 — Varna BUL
1962 — Smederevac, Petar vs Mohrlok, Dieter — 1/2-1/2 — Beverwijk NED

8.Nge2 — 12.4% (234 parties)

1968 — Webster, Peter vs Stevahn, Tyler — 0-1 — Chicago, IL USA
1969 — Bold, Reimer Peter Lucas vs Stoeckigt, Rainer — 1/2-1/2 — DDR-ch5 corr6971
1980 — Minnebo, Alain vs Wells, Ian D — 0-1 — Le Havre
1984 — Van Voorthuijsen, Peewee vs Fabris, Alberto — 1-0 — Caorle ITA
1985 — Meinert, Ernst vs Rommel, Wilfried — 0-1 — GER

8.f4 — 6.1% (115 parties)

1952 — Smyslov, Vasily vs Moiseev, Oleg — 1/2-1/2 — Moskou ch-URS
1983 — Lebredo Zaragoitia, Gerardo vs Pinal Borges, Nelson — 1/2-1/2 — Cienfuegos City CUB
1988 — Falchetta, Giovanni vs Ruisinger, Werner — 1/2-1/2 — Mendrisio SUI
1991 — Scarfo, Ruben vs Adla, Diego — 0-1 — Buenos Aires ARG
1991 — Lugo, Blas vs Gonzalez, Juan Carlos — 1/2-1/2 — Cienfuegos City CUB

8.Nf3 — 3.9% (73 parties)

1965 — Hankipohja Antti vs Dahl, Karl M — 1-0 — ?
1966 — Novak, Ervin vs Hort, Vlastimil — 0-1 — Harrachov
1987 — Pape, Joerg, Dr. vs Lautier, Joel — 1-0 — Hameln
1988 — Blodig, Reinhard vs Rosenberger, Berthold — 1/2-1/2 — Bayern-ch+
1992 — Castellano Ojeda, Jose vs Damljanovic, Branko — 0-1 — Mesa

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