B73a - 8.O-O - Dragon Classical [+0.22]

B73a — Sicilian: Dragon, Classical, 8.O-O

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6 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 5
bQ
bKRoi au centre — vulnérable
bR
bP
bP
bP
bP
bBFou enfermé — mobilité 2
bP
bN
bP
bN
bP
Case forte (3v0)
Case forte (2v1)
wNCase forte (2v1)
wPPion central
wN
wBFou actif — mobilité 5
wP
wP
wP
wBFou actif — mobilité 7
wP
wP
wP
wR
wQ
wR
wK
abcdefgh
Avantages : majorité aile_dame (3v2), case forte d4, case forte b5, case forte d5, Be2 actif, Be3 actif, paire de fous, colonne d.
Faiblesses adverses : Bg7 enfermé, Bc8 enfermé, roi noir au centre.
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
wB
wP
wP
wP
wB
wN
Case forte (2v1)
wP
wN
Avant-poste C (accessible)
bP
bN
bP
bN
bP
bB
bP
bP
bP
bP
bR
bK
bQ
bBFou actif — mobilité 5
bR
hgfedcba
Avantages : majorité centre (2v1), case forte g4, case forte e5, avant-poste e5(C), paire de fous, colonne c.
Problèmes : roi au centre, Bg7 enfermé, Bc8 enfermé, 3 pièces non développées (C8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Bf5 — Développer Bc8
● ...d5 — Rupture
● ...e6 — Rupture
● ...e5 — Rupture
Avantages
Faiblesses adverses
Diagonale active
Plans

Structure de pions
B73a — Dragon Classical
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.Be2 Nc6 8.O-O
Eval: [+0.22]
Les coups candidats
Ambassadeurs : Yanofsky, Daniel Abraham (15x), Engels, Ludwig (11x), Bogoljubow, Efim (11x), Gilg, Karl (11x), Rellstab, Ludwig (10x), Aitken, James (10x), Alekhine, Alexander (9x), Mednis, Edmar J (9x)
8…Bd7 — 3.2% (196 parties)
Ambassadeurs : Kraehmer, Martin (3x), Zapata Zuluaga Alexandra (3x), Neumann, Augustin (2x), Blackburne, Joseph (2x), Pillsbury, Harry (2x), Borchardt, B. (2x), Fischer, Sven (2x), Reuter, Roland (2x)
8…a6 — 0.6% (39 parties)
Ambassadeurs : Monticelli, Mario (1x), Santasiere, Anthony (1x), Bartis Bosch, Josep (1x), De Piro, Tristram (1x), Escandell, Bartolome (1x), Senabre, Juan Vicente (1x), Patrick, Chaski (1x), Hirsch, Robert (1x)
8…h5 — 0.4% (22 parties)
Ambassadeurs : Nikonova, Irina (2x), Showalter, Jackson (1x), Delmar, Eugene (1x), Schelfhout, Willem (1x), Blackburne, Joseph (1x), Yanofsky, Daniel Abraham (1x), Barda, Olaf (1x), Reti, Richard (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 8…O-O 8…Bd7 8…a6 8…h5
<1800 284 93% 4% 1% 0%
1800-2200 2077 95% 3% 1% 1%
2200-2600 1347 99% 1% — —
2600+ 22 100% — — —
Évolution par décennie (% des parties)
Décennie N parties 8…O-O 8…Bd7 8…a6 8…h5
1880s 9 78% 22% — —
1890s 13 92% — — 8%
1900s 43 67% 30% — 2%
1910s 26 92% 8% — —
1920s 55 89% 7% — 2%
1930s 165 96% 3% 1% —
1940s 185 97% 1% — 1%
1950s 202 97% 2% 0% —
1960s 178 96% 2% 1% —
1970s 181 98% 1% — —
1980s 337 96% 2% 0% 1%
1990s 1217 94% 4% 1% 0%
2000s 1747 95% 3% 1% 0%
2010s 1451 95% 3% 1% 0%
2020s 238 97% 3% 0% 0%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…O-O 95% 97% ▲ +1.3%
8…Bd7 3% 3% ▼ -0.6%
8…a6 1% 0% -0.1%
8…h5 0% 0% +0.2%
Joueurs célèbres
Champions du monde dans cette position
Alekhine, Alexander — 10 parties
Euwe, Max — 7 parties
Lasker, Emanuel — 6 parties
Smyslov, Vladimir — 5 parties
Botvinnik, Mikhail — 2 parties
Hou, Yifan — 2 parties
Tal, Mikhail — 1 partie
Capablanca, Jose Raul — 1 partie
Kramnik, Vladimir — 1 partie
Anand, Viswanathan — 1 partie
Carlsen, Magnus — 1 partie
Gukesh D — 1 partie
Parties historiques
8…O-O — 95.1% (5749 parties)
1883 — Englisch, Berthold vs Bird, Henry — 1-0 — London ENG
1885 — MacKenzie, George H vs Bird, Henry — 1/2-1/2 — Hereford
1886 — Gunsberg, Isidor vs Bird, Henry — 1-0 — London ENG
1886 — MacKenzie, George H vs Bird, Henry — 1-0 — London ENG
1886 — Lipschuetz, Salomon vs Bird, Henry — 1-0 — London ENG
8…Bd7 — 3.2% (196 parties)
1885 — Minckwitz, Johannes vs Schallopp, Emil — 1-0 — Hamburg GER
1889 — Baird, David vs White, Max — 1-0 — New York, NY USA
1900 — Brody, Dimitry vs Pillsbury, Harry — 0-1 — Paris FRA
1900 — BrodyRosen vs Pillsbury, HFazy — 1-0 — Paris FRA
1900 — Brody, Miklos vs Lasker, Emanuel — 0-1 — Paris FRA
8…a6 — 0.6% (39 parties)
1934 — Monticelli, Mario vs Santasiere, Anthony — 1-0 — Syracuse USA
1952 — Bartis Bosch, Josep vs De Piro, Tristram — 0-1 — Buenos Aires ARG
1963 — Patrick, Chaski vs Hirsch, Robert — 1-0 — ?
1967 — Escandell, Bartolome vs Senabre, Juan Vicente — 0-1 — Buenos Aires ARG
1988 — Janaen Helmut vs Muller, Alfred — 1-0 — Landes-Einzelmeister
8…h5 — 0.4% (22 parties)
1893 — Showalter, Jackson vs Delmar, Eugene — 1/2-1/2 — New York, NY USA
1905 — Schelfhout, Willem vs Blackburne, Joseph — 1-0 — Ostende
1920 — Reti, Richard vs Breyer, Gyula — 0-1 — Berlin GER
1943 — Bogoljubow, Efim vs Alekhine, Alexander — 1-0 — Warsaw POL
1947 — Yanofsky, Daniel Abraham vs Barda, Olaf — 1-0 — Copenhagen DEN
♔ Blancs ♚ Noirs
Pions doublés — —
Pions isolés — —
Arriérés — —
Chaînes — ● e7→d6, f7→g6, h7→g6
Passés — —
Majorité ● aile_dame 3v2 ● centre 2v1
Cases
♔ Blancs ♚ Noirs
Cases fortes ● d4 (2v1), ● b5 (3v0), ● d5 (2v1) ● g4 (2v1), ● e5 (2v0)
Cases faibles — —
Centre ● d4 (2v1), ● d5 (2v1) ● e5 (2v0)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Semi-ouvertes ● d ● c
Pièces
♔ Blancs ♚ Noirs
Be2 ● Be2 Actif (mob. 7)
Be3 ● Be3 Actif (mob. 5)
Bg7 ● Bg7 Enfermé (mob. 2)
Bc8 ● Bc8 Non développé (mob. 5)
Paire de fous ● Oui ● Oui
Non développées 1 (a1) 3 (c8, a8, h8)
Sécurité du roi
♔ Blancs ♚ Noirs
Statut ● Roqué ● Au centre !
Droits de roque — O-O / O-O-O
Thèmes
♔ Blancs ♚ Noirs
Phase Ouverture
Centre semi-ouvert
Ruptures ● e4-e5, ● f2-f3 ● …d6-d5, ● …e7-e6, ● …e7-e5
Partie
1900 DSB-12.Kongress – Round 1 – D Marco, Gianni – 1/2-1/2 – Pillsbury, Harry – G3
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. O-O Bg7 8. Be3 Bd7 9. h3 O-O 10. Qd2 Nxd4
1900 Paris – Round 11 – Brody, Miklos – 0-1 – Lasker, Emanuel – G73
1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 d6 7. Be2 Nf6 8. O-O Bd7 9. h3 O-O 10. Qd2 Rc8
1900 Paris – Round 16 – Brody, Dimitry – 0-1 – Pillsbury, Harry – G102
1. e4 c5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 d6 6. Be2 g6 7. Be3 Bg7 8. O-O Bd7 9. h3 Qa5 10. Qd2 Nxe4
1904 London – Round 9 – Blackburne, Joseph – 1-0 – Mueller, Oscar Conrad – G28
1. e4 c5 2. Nc3 Nc6 3. Nf3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 d6 7. Be2 Nf6 8. O-O Bd7 9. Qd2 O-O 10. f3 Qa5
1905 It (Men) Barmen GER – Round 1 – Marco, Georg – 0-1 – Larsson, Anders 1955 – G30
1. e4 c5 2. Nc3 Nc6 3. Nf3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 d6 7. Be2 Nf6 8. O-O Bd7 9. Qd2 a6 10. f4 Rc8
1905 It (Men) Barmen GER – Round 1 – Reggio, Arturo – 0-1 – Neumann Feliu, Rodrigo – G33
1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 d6 7. Be2 Nf6 8. O-O Bd7 9. f4 O-O 10. Bf3 Ng4
1905 It (Men) Stockholm SWE – Round 14 – Schelfhout, Willem – 1-0 – Blackburne, Joseph – G48
1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 cxd4 5. Nxd4 d6 6. Be3 Nf6 7. Be2 Nc6 8. O-O h5 9. h3 Bd7 10. Qd2 Rc8
1908 Tunbridge Wells – Round 9 – Lee, Francis J – 1/2-1/2 – Blackburne, Joseph – G12
1. d4 c5 2. e4 cxd4 3. Nf3 g6 4. Nxd4 Bg7 5. Nc3 d6 6. Be3 Nf6 7. Be2 Nc6 8. O-O Bd7 9. h3 O-O 10. Qd2 Qa5
1913 New York National – Round 2 – Janowski, Dawid – 1-0 – Rubinstein Solomon – G9
1. e4 c5 2. d4 cxd4 3. Nf3 Nc6 4. Nxd4 g6 5. Be3 Bg7 6. Be2 d6 7. O-O Nf6 8. Nc3 Bd7 9. Qd2 Nxd4 10. Bxd4 Bc6
1920 Berlijn – Round 2 – Reti, Richard – 0-1 – Breyer, Guy – G6
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 d6 7. Be2 Nf6 8. O-O 0-1
1921 Vienna-B – Round 1 – Poschauko, Karl – 1/2-1/2 – Lokvenc, Josef – G1
1. e4 c5 2. Nf3 Nc6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Be2 g6 7. Be3 Bg7 8. O-O Bd7 9. Qd2 O-O 10. Nb3 a6
1929 Barcelona – Round 10 – Rey Ardid, Ramon – 1/2-1/2 – Golmayo Torriente, Manuel – G19
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. O-O Ng4 9. Nxc6 Nxe3 10. Nxd8 Nxd1
1931 Buenos Aires – Round 1 – Rebizzo, Cayetano – 1-0 – Cassar Manghi, Paolo – G28
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. O-O Bd7 9. Kh1 O-O 10. Nb3 Rc8
1936 Moskou m – Round 1 – Chekhover, Vitaly – 0-1 – Lisitsin, Georgy – G1
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. O-O Bd7 9. f3 O-O 10. Nd5 Rc8
1938 Ljubljana – Round 4 – Furlani, Ljudmil – 0-1 – Tot, Bora – G34
1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 d6 7. Be2 Nf6 8. O-O Bd7 9. Qd2 a6 10. Rad1 O-O
1938 Paris L'Echiquier – Round 15 – Gromer, Aristide – 1/2-1/2 – Baratz, Abraham – G40
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. O-O Bd7 9. f3 Rc8 10. Qd2 O-O
1956 CSR Ch – Round 14 – Betak Miroslav – 1/2-1/2 – Opocensky, Karel – G128
1. e4 c5 2. Nc3 g6 3. Nge2 Bg7 4. d4 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Be2 d6 8. O-O Bd7 9. Qd2 Qc8 10. f3 h5
1958 ITA-SUI m – Round 1 – Johner, Hans – 1-0 – Szabados, Eugenio – G5
1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Be2 d6 8. O-O Bd7 9. Nb3 Qc8 10. f4 Bg4
1961 New York ch-USA – Round 6 – Hearst, Eliot – 1/2-1/2 – Byrne, David – G27
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 Nc6 8. O-O Bd7 9. Qd2 O-O 10. f4 Qc8

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