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 semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bBFou enfermé — mobilité 1
bQ
bKRoi au centre — vulnérable
bN
bR
bP
bP
bPPion arriéré — cible
bB
bP
bP
bP
bP
bP
bN
wPCase forte (3v0)
Case forte (2v0)
wN
wPPion central
wBFou actif — mobilité 4
wP
wP
wP
wP
wQ
wP
wB
wP
wR
wK
wN
wR
abcdefgh
Avantages : case forte e4, case forte f4, Be3 actif, paire de fous.
Faiblesses adverses : arriéré f7, Bc8 enfermé, roi noir au centre.
Problèmes : roi au centre, arriéré f2, 3 pièces non développées (G1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Nf3 — Développer Ng1
● c3 — Préparer d4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wR
wN
wKRoi au centre — doit roquer
wR
wP
wB
wPPion arriéré — cible
wQ
wP
wP
wP
wP
wB
wP
wN
wP
bNAvant-poste C (occupé)
Avant-poste F (accessible)
bP
bP
bP
bP
bP
bBFou actif — mobilité 4
bP
bP
bP
bR
bN
bK
bQ
bB
bR
hgfedcba
Avantages : case forte d4, case forte e5, avant-postes d4(C), e5(F), Bg7 actif, paire de fous.
Faiblesses adverses : arriéré f2, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, arriéré f7, 4 pièces non développées (G8, C8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Bd7 — PRIORITÉ: libérer le Bc8 (...Bd7, b6+Bb7, ...Bf5)
● ...Nf6 — Développer Ng8
● ...c4 — Rupture
● ...d5 — Rupture
Avantages
Faiblesses adverses
Diagonale active
Plans

Structure de pions
B26n — Closed
1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Be3 e6 7.Qd2 Nd4
Eval: [+0.11]
Les coups candidats
8.Nd1 — 70.5% (1312 parties)
Ambassadeurs : Parkanyi, Attila (7x), Arat, Ufuk Sezen (6x), Theissl Pokorna, Regina (5x), Radivojevic, Milan R (5x), Smederevac, Petar (4x), Efler, Lukas (4x), Jurkovic, Hrvoje (4x), Kovacevic, Slobodan (4x)
8.Nge2 — 12.5% (232 parties)
Ambassadeurs : Letay, Gyula (5x), Geisler, Fabian (3x), Kucera, Juraj (2x), Moiseenko, Alexander (2x), Steigman, AJ (2x), Souza Filho, Namyr Carlos (2x), Saric, Kristina (2x), Egri, Laszlo Jr. (2x)
8.f4 — 6.1% (113 parties)
Ambassadeurs : Atalik, Ekaterina (2x), Batista, Tiago Serpa (2x), Tian, Tian (2x), Staeger, Pascal (2x), Ruzic, Sanjin (2x), Buhin, Denis (2x), Slampa, Jan (2x), Donev, Ivo (2x)
8.Nf3 — 3.9% (72 parties)
Ambassadeurs : Brugarolas Manzaneque, Carlos (2x), Castellano Ojeda, Jose (2x), Hankipohja, Antti (1x), Dahl Schutt, Frederik (1x), Novak, Ervin (1x), Hort, Vlastimil (1x), Pape, Joerg, Dr. (1x), Lautier, Joel (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 32 62% 19% 3% 6%
1800-2200 910 70% 13% 6% 4%
2200-2600 595 75% 10% 6% 4%
2600+ 4 75% 25%
Évolution par décennie (% des parties)
Décennie N parties 8.Nd1 8.Nge2 8.f4 8.Nf3
1930s 1 100%
1940s 3 67%
1950s 5 80% 20%
1960s 19 74% 11% 11%
1970s 21 71%
1980s 84 80% 11% 2% 2%
1990s 459 69% 12% 7% 5%
2000s 669 71% 11% 7% 4%
2010s 532 70% 15% 5% 2%
2020s 69 68% 19% 3% 1%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8.Nd1 70% 68% ▼ -1.6%
8.Nge2 15% 19% ▲ +4.0%
8.f4 5% 3% ▼ -1.8%
8.Nf3 2% 1% ▼ -1.0%
Joueurs célèbres
Champions du monde dans cette position
Smyslov, Vladimir — 1 partie
Parties historiques
8.Nd1 — 70.5% (1312 parties)
1939 — Tolush, Alexander V vs Bondarevsky, Igor — 1-0 — Leningrad RUS
1947 — Stoeckl, Ernst vs Gereben, Erno — 0-1 — Vienna AUT
1947 — Kasparian, Genrikh vs Simagin, Vladimir — 1-0 — Moscow RUS
1954 — Vatnikov, Josif E vs Livshin, Iosif — 0-1 — Moscow RUS
1955 — Macura, Emil vs Fischl, Kamilla — 1/2-1/2 — Prague CZE
8.Nge2 — 12.5% (232 parties)
1968 — Webster, Peter vs Tennant, Steven — 0-1 — Chicago, IL USA
1969 — Roemer, B 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% (113 parties)
1952 — Smyslov, Vladimir 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% (72 parties)
1965 — Hankipohja, Antti vs Dahl Schutt, Frederik — 1-0 — Sinaia
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 — Polster, Wolfgang, Dr. vs Schindler, Werner, Dr. — 1/2-1/2 — GER
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés ● f2 ● f7
Chaînes ● c2→d3, f2→g3, h2→g3, d3→e4 ● d6→c5, f7→e6, f7→g6, h7→g6
Passés
Majorité
Cases
♔ Blancs ♚ Noirs
Cases fortes ● e4 (3v0), ● 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 semi-ouvert
Ruptures ● e4-e5, ● f2-f3 ● …c5-c4, ● …d6-d5, ● …e6-e5, ● …f7-f6, ● …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

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