B35h - 7…O-O 8.O-O [-0.15]

B35h — Sicilian: Accelerated Fianchetto, Modern, 7.Bc4 O-O 8.O-O

1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Bc4 O-O 8.O-O *   ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bBFou enfermé — mobilité 0
bQ
bR
bK
bP
bP
bP
bP
bPPion sous pression
bBFou enfermé — mobilité 2
bP
bN
bN
bP
Case forte (3v0)
Case forte (3v1)
wBFou actif — mobilité 8
wNCase forte (2v1)
wPPion central
wN
wBFou actif — mobilité 5
wP
wP
wP
wP
wP
wP
wR
wQ
wR
wK
abcdefgh
Avantages : majorité aile_dame (3v2), case forte d4, case forte b5, case forte d5, Be3 actif, Bc4 actif, paire de fous, colonne d.
Faiblesses adverses : Bg7 enfermé, Bc8 enfermé.
Plans :
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wK
wR
wQ
wR
wP
wP
wP
wP
wP
wP
wB
wN
wP
wN
wB
bP
bN
bN
bP
bB
bP
bP
bP
bP
bP
bK
bR
bQ
bB
bR
hgfedcba
Avantages : majorité centre (2v1), paire de fous, colonne c.
Problèmes : Bg7 enfermé, Bc8 enfermé.
Plans :
● ...d6 — Libérer Bc8
● ...Na5 — Attaquer Bc4
● ...d5 — Rupture
● ...e6 — Rupture
● ...e5 — Rupture
Avantages
Faiblesses adverses
Diagonale active
Plans

Structure de pions
B35h —
1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.Nc3 Bg7 6.Be3 Nf6 7.Bc4 O-O 8.O-O
Eval: [-0.15]
Les coups candidats
8…d6 — 46.9% (656 parties)
Ambassadeurs : Stambulian, Arsen (8x), Tiviakov, Sergei (5x), Aleksic, Nenad (5x), Hennings, Artur (4x), Watson, William N (4x), Plat, Vojtech (4x), Van de Mortel, Jan (3x), Felegyhazi, Laszlo (3x)
8…Nxe4 — 36.7% (514 parties)
Ambassadeurs : Eberth, Zoltan Bela (7x), Fernandez-Velasco Climent, Fernando (4x), Toma, Katarzyna (4x), Watson, William N (3x), Homonnay, Adam (3x), Simon, Nandor (3x), Widera, Jan (3x), Stanciu, Traian (2x)
8…Ng4 — 4.8% (67 parties)
Ambassadeurs : Jaskolka, Tomasz (2x), Mickeleit, Klaus (1x), Brycki, Jerzy (1x), Krivec, Jana (1x), Podlesnik, T. (1x), Flis, Jacek (1x), Babicz, F. (1x), Semasev, Kim (1x)
8…a6 — 2.7% (38 parties)
Ambassadeurs : Myrene, Jon Kare (1x), Kemp, Peter D (1x), Yilmaz, Turhan (1x), Baudot, Denis (1x), Mazuchowski, T. (1x), Dobbs E (1x), Cellante, Francesco (1x), Macario Ban, Marco (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…d6 8…Nxe4 8…Ng4 8…a6
<1800 102 46% 42% 4% 1%
1800-2200 539 41% 41% 7% 3%
2200-2600 335 52% 41% 2% 1%
Évolution par décennie (% des parties)
Décennie N parties 8…d6 8…Nxe4 8…Ng4 8…a6
1900s 1 100% — — —
1950s 2 100% — — —
1960s 21 67% 14% — —
1970s 36 61% 33% 3% —
1980s 48 58% 31% — 4%
1990s 280 47% 38% 2% 5%
2000s 503 48% 33% 6% 2%
2010s 431 42% 42% 6% 3%
2020s 78 44% 44% 3% 3%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…d6 42% 44% ▲ +1.4%
8…Nxe4 42% 44% ▲ +1.8%
8…Ng4 6% 3% ▼ -3.9%
8…a6 3% 3% +0.0%
Parties historiques
8…d6 — 46.9% (656 parties)
1905 — Kurrle, William vs Sawyer, Joseph — 1-0 — Montreal CAN
1955 — Paoli, Enrico vs Wade, Robert G — 1/2-1/2 — Mont Pelerin sur Vevey
1959 — Eisinger, Come vs Lehmann Garcia, Daniel William — 0-1 — Nuerenberg GER
1961 — Robatsch vs Pirc Salamon, Hubert — 1/2-1/2 — Baden Vienna AUT
1961 — Sorokina, Aleksandra vs Epshtein, Andrii — 1-0 — ?
8…Nxe4 — 36.7% (514 parties)
1962 — Sergievsky, Vladimir D vs Zaitsev, Alexander — 1-0 — Moscow RUS
1963 — Pietzsch, Wolfgang vs Baumbach, Friedrich, Dr. — 1/2-1/2 — GDR-ch Aschersleben GER
1965 — Derouineau, Paul vs Rometti, Nicola Barbatto — 1-0 — Dunkerque
1970 — Geissert, E. vs Schmitz, Ben — 1-0 — Freiberg ch19-DDR
1972 — Anceschi, Vittorio vs Makropoulos, Georgios — 0-1 — Groningen EU-ch J
8…Ng4 — 4.8% (67 parties)
1976 — Mickeleit, Klaus vs Brycki, Jerzy — 1/2-1/2 — Kuortane
1991 — Playa, Marcelo vs Scarella, Enrique Alejandro — 1-0 — Buenos Aires ARG
1991 — Gunnarsson, Jon Viktor vs Stevic, Hrvoje — 0-1 — Wch U12 Mamaia
1992 — Krivec, Jana vs Podlesnik, T. — 0-1 — SLO
1994 — Flis, Jacek vs Babicz, F. — 1-0 — Czestochowa
8…a6 — 2.7% (38 parties)
1989 — Myrene, Jon Kare vs Kemp, Peter D — 0-1 — GER
1989 — Yilmaz, Turhan vs Baudot, Denis — 1-0 — Haifa ISR
1991 — Mazuchowski, T. vs Dobbs E — 1/2-1/2 — Detroit Motor City op
1991 — Cellante, Francesco vs Macario Ban, Marco — 1/2-1/2 — Asiago ITA
1992 — Floyd, Brian vs Deiseach, Donald — 1-0 — Toronto CAN
♔ Blancs ♚ Noirs
Pions doublés — —
Pions isolés — —
Arriérés — —
Chaînes — ● f7→g6, h7→g6
Passés — —
Majorité ● aile_dame 3v2 ● centre 2v1
Cases
♔ Blancs ♚ Noirs
Cases fortes ● d4 (2v1), ● b5 (3v0), ● d5 (3v1) —
Cases faibles — —
Centre ● d4 (2v1), ● d5 (3v1) ● e5 (1v0)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Semi-ouvertes ● d ● c
Pièces
♔ Blancs ♚ Noirs
Be3 ● Be3 Actif (mob. 5)
Bc4 ● Bc4 Actif (mob. 8)
Bg7 ● Bg7 Enfermé (mob. 2)
Bc8 ● Bc8 Non développé (mob. 0)
Paire de fous ● Oui ● Oui
Clouages — ● pawn f7
Non développées 1 (a1) 2 (c8, a8)
Sécurité du roi
♔ Blancs ♚ Noirs
Statut ● Roqué ● Roqué
Droits de roque — —
Thèmes
♔ Blancs ♚ Noirs
Phase Ouverture
Centre semi-ouvert
Ruptures ● e4-e5, ● f2-f3 ● …d7-d6, ● …d7-d5, ● …e7-e6, ● …e7-e5
Partie
1955 Clare Benedict Cup – Round 5.3 – Paoli, Enrico – 1/2-1/2 – Wade, Robert G – G38
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Bc4 Bg7 6. Be3 Nf6 7. Nc3 O-O 8. O-O d6 9. f3 Qb6 10. Na4 Qc7
1961 URS Ch sf – Round ? – Klovans, Janis – 1-0 – Anokhin, Yuri – G25
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. O-O d6 9. h3 a6 10. a3 Ne5
1962 Capablanca Memorial – Round 8 – Siero, Lucas – 0-1 – Ciocaltea, Victor – G75
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Bc4 Bg7 6. Be3 Nf6 7. Nc3 O-O 8. O-O e6 9. h3 d5 10. exd5 exd5
1962 Spartak Ch – Round ? – Sergievsky, Vladimir D – 1-0 – Zaitsev, Alexander – G6
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. O-O Nxe4 9. Nxe4 d5 10. Nxc6 bxc6
1963 CSR Ch – Round 9 – Kupka, Slavoj – 1-0 – Smejkal, Jan – G80
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. O-O d6 9. h3 Bd7 10. Bb3 a6
1963 GDR Ch Aschersleben GER – Round 17 – Pietzsch, Wolfgang – 1/2-1/2 – Baumbach, Friedrich, Dr. – G88
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. O-O Nxe4 9. Nxe4 d5 10. Nxc6 bxc6
1963 Rhode Island – Round 1 – Barry Bertomeu, Enrique – 1-0 – Church, Alexander – G9
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Bg7 6. Nc3 Nf6 7. Bc4 O-O 8. O-O Na5 9. Be2 d5 10. e5 Ne4
1964 Malaga – Round 10 – Araujo Garcia, Taylor Javier – 0-1 – O'Kelly, Albéric de Galway – G49
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Bc4 Bg7 6. Be3 Nf6 7. Nc3 O-O 8. O-O d6 9. Nxc6 bxc6 10. f3 Bb7
1965 Sinaia stud ol prel – Round 1 – Kovacs, Laszlo M – 1-0 – Ben Rehouma, H. – G1
1. e4 c5 2. Nc3 Nc6 3. Nf3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. O-O d6 9. h3 Bd7 10. f4 Qb6
1966 CSR Ch Int 1st – Round 16 – Janosevic, Dragoljub – 1/2-1/2 – Abramovich Furman, Semyon – G96
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. O-O d6 9. h3 Bd7 10. Bb3 Nxd4
1967 Sarajevo it – Round 5 – Janosevic, Dragoljub – 1/2-1/2 – Stein, Leon Rico – G10
1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Bc4 O-O 8. O-O d6 9. h3 Bd7 10. Bb3 Rc8
1969 Sarajevo – Round 4 – Hennings, Artur – 0-1 – Damjanovic, Marko – G34
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. O-O d6 9. h3 Bd7 10. Bb3 Nxd4
1975 Portoroz/Ljubljana – Round 5 – Ljubojevic, Ljubomir – 1-0 – Garcia Martinez, Silvino – G71
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. O-O d6 9. h3 Bd7 10. Re1 Rc8
IBM 1978 – Round 7 – Ljubojevic, Ljubomir – 1-0 – Adorjan, Andras – G19
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. O-O d6 9. h3 Na5 10. Bb3 b6

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