B78t — Sicilian: Dragon, Yugoslav, Old Main Line, 11.Bb3 Rfc8

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.Bc4 Bd7 10.O-O-O Qa5 11.Bb3 Rfc8 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité aile_dame (3v2), case forte d4, case forte e4, case forte b5, case forte d5, Bb3 actif, Be3 actif, paire de fous, colonne d.
Plans :
● Bc2 — Anticiper ...Na5
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité centre (2v1), case forte b4, case forte c5, case forte e5, avant-poste e5(C), Bd7 actif, paire de fous, colonne c.
Plans :
● ...Na5 — Attaquer Bb3
● ...d5 — Rupture
● ...e6 — Rupture
● ...e5 — Rupture
● ...Rc — Tour sur colonne c

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

B78t — Dragon Yugoslav Old Main Line

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.Bc4 Bd7 10.O-O-O Qa5 11.Bb3 Rfc8

Eval: [+0.94]

Les coups candidats

12.h4 — 44.9% (922 parties) →

Ambassadeurs : Gudok, Viktor (7x), Kollowa, Kurt, Dr. (6x), Barnes, Craig (6x), Kristensen, Henrik Lunden (5x), Smirnovs, Aleksandrs (5x), Lotti, Fabio (4x), Trautmann, Klaus (4x), Velimirovic, Dragoljub (4x)

12.Kb1 — 41.7% (855 parties)

Ambassadeurs : Lecha González, Jesús Nicolás (5x), Janosevic, Dragoljub (4x), Makropoulos, Georgios (4x), Vogt, Lothar (4x), Cernousek, Lukas (4x), Habibi, Ali (4x), Velimirovic, Dragoljub (4x), Ederer, Karel (4x)

12.g4 — 11.3% (232 parties)

Ambassadeurs : Heden, Gustav (3x), Kozlov, Vladimir N (2x), ? (2x), Ocnarescu, Victor (2x), Todorovic, Goran M (2x), Cernousek, Lukas (2x), Kuzubov, Yuriy (2x), Leroy, Olivier (2x)

12.Nd5 — 0.5% (10 parties)

Ambassadeurs : Halasz, Tamas (1x), Grillitsch, Karl (1x), Zeljko, Tadej (1x), Agovic, Mark (1x), Berzinsh, Roland (1x), Mueller, Marcus (1x), Rehak, Martin (1x), Vybiral, Zdenek (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	12.h4	12.Kb1	12.g4	12.Nd5
<1800	43	47%	35%	14%	—
1800-2200	638	42%	44%	13%	0%
2200-2600	617	42%	47%	8%	1%
2600+	4	—	75%	25%	—

Évolution par décennie (% des parties)

Décennie	N parties	12.h4	12.Kb1	12.g4	12.Nd5
1960s	121	42%	45%	13%	—
1970s	268	53%	39%	6%	0%
1980s	172	53%	31%	15%	—
1990s	353	51%	36%	9%	1%
2000s	748	40%	45%	13%	1%
2010s	364	41%	46%	12%	0%
2020s	26	23%	54%	19%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
12.h4	41%	23%	▼ -18.1%
12.Kb1	46%	54%	▲ +8.2%
12.g4	12%	19%	▲ +7.4%
12.Nd5	0%	0%	-0.3%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Anatoly — 1 partie
Karpov, Aleksandr — 1 partie
Tal, Mikhail — 1 partie
Carlsen, Magnus — 1 partie

Parties historiques

12.h4 — 44.9% (922 parties)

1966 — Timperley J vs Hollis, Adrian — 1/2-1/2 — corr
1966 — Hartston, William R vs Westerinen, Heikki M.J. — 0-1 — Havana olm
1967 — Cebalo, Miso vs Antunac, Goran — 1-0 — Yugoslavia
1967 — Byrne, Robert E vs Kortsjnoi — 0-1 — Sousse izt SN75/8
1967 — Jakobsen, Ole vs Keene, Raymond D — 1-0 — Bognor Regis

12.Kb1 — 41.7% (855 parties)

1962 — Gonzalez Intelangelo, Gerardo vs Schweber, Samuel — 0-1 — Buenos Aires ARG
1963 — Bachmann, Karlheinz vs Harman, Kenneth B — 1-0 — Whitby
1965 — Spiridonov, Nikola vs Piskov, Kamen Penev — 1-0 — Varna BUL
1966 — Simagin, Vladimir vs Dubinin, Peter — 0-1 — corr Ragozin mem
1967 — Ryc, Ivo vs Trapl, Jindrich — 1/2-1/2 — Bratislava SVK

12.g4 — 11.3% (232 parties)

1967 — Georgieva, Antonina vs Honfi, Karolyne — 1-0 — Sofia BUL
1967 — Kozlov, Vladimir N vs Krasnov, Aleksander — 0-1 — USSR
1967 — Golovei vs Konopleva, Elizaveta — 1/2-1/2 — Sochi RUS
1967 — Sakharov, Yuri N vs Platonov, Igor V — 1/2-1/2 — Kiev UKR
1967 — Razuvaev, Yuri S vs Koriakin, Andrei — 0-1 — Moscow RUS

12.Nd5 — 0.5% (10 parties)

1973 — Halasz, Tamas vs Grillitsch, Karl — 1/2-1/2 — Schilde
1994 — Berzinsh, Roland vs Mueller, Marcus — 1/2-1/2 — Berlin GER
1995 — Rehak, Martin vs Vybiral, Zdenek — 1-0 — Czechoslovakia
1998 — Gombar, Janos vs Molnar, Bela — 1/2-1/2 — Paks HUN
1999 — Zeljko, Tadej vs Agovic, Mark — 1/2-1/2 — Kranj SLO

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● g2→f3, f3→e4	● e7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	● aile_dame 3v2	● centre 2v1

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (2v1), ● e4 (2v1), ● b5 (2v1), ● d5 (3v2)	● b4 (2v0), ● c5 (2v0), ● e5 (3v0)
Cases faibles	—	—
Centre	● d4 (2v1), ● d5 (3v2), ● e4 (2v1)	● e5 (3v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bb3	● Bb3 Actif (mob. 5)
Be3	● Be3 Actif (mob. 5)
Bd7		● Bd7 Actif (mob. 5)
Bg7		● Bg7 Ok (mob. 3)
Paire de fous	● Oui	● Oui
Clouages	—	● pawn f7
Non développées	1 (h1)	1 (a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● e4-e5, ● f3-f4	● …d6-d5, ● …e7-e6, ● …e7-e5

Partie
1962 Argentina – Round 5 – Gonzalez Intelangelo, Gerardo – 0-1 – Schweber, Samuel – G31 1. e4 c5 2. Ne2 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. Bb3 d6 9. f3 Bd7 10. Qd2 Qa5
1967 Capablanca Memorial – Round 12 – Garcia Martinez, Salomon – 1-0 – Letelier Martner, Rene – G109 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 d6 7. Bc4 Nf6 8. f3 O-O 9. Bb3 Bd7 10. Qd2 Qa5
1967 CSR Ch – Round 4 – Ryc, Ivo – 1/2-1/2 – Trapl, Jindrich – G26 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f3 Bg7 7. Be3 Nc6 8. Qd2 Bd7 9. Bc4 O-O 10. O-O-O Qa5
1967 Harrachov – Round 1 – Jansa, Vlastimil – 1-0 – Wostyn, Rik H. – G59 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Bc4 O-O 9. Qd2 Bd7 10. O-O-O Qa5
1967 Moscow – Round ? – Gipslis, Aivars – 1/2-1/2 – Stein, Leonid – G160 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Bc4 Nc6 9. Bb3 Bd7 10. Qd2 Qa5
1967 Moscow – Round 1 – Gipslis, Aivars – 1/2-1/2 – Stein, Leonid – G94 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Bc4 Nc6 9. Bb3 Bd7 10. Qd2 Qa5
1967 Moscow RUS – Round 1 – Gipslis, Aivars – 1/2-1/2 – Bobotsov, Milko G – G10 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Bc4 Nc6 9. Bb3 Qa5 10. Qd2 Bd7
1967 Stary Smokovec – Round 8 – Grabczewski, Romuald – 0-1 – Schrancz, Istvan – G15 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 d6 8. f3 Bd7 9. Bb3 O-O 10. Qd2 Qa5
1967 Vrnjacka Banja zt – Round 1 – Kostro, Jerzy – 1/2-1/2 – Hindle, Owen M – G6 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Bc4 Nc6 9. Qd2 Bd7 10. Bb3 Qa5
1968 Athens – Round 1 – Hort, Vlastimil – 1-0 – Tatai, Stefano – G6 1. e4 c5 2. Nc3 d6 3. Nge2 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. f3 Nc6 8. Bc4 O-O 9. Qd2 Bd7 10. O-O-O Qa5
1968 Lugano ol (Men) – Round 1 – Drimer, Dolfi – 1-0 – Schulman, Danilo – G41 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 d6 8. f3 O-O 9. Qd2 Bd7 10. Bb3 Qa5
1968 Mar del Plata ch-ARG – Round 5 – Najdorf, Miguel – 1-0 – Pelikan, Jan – G37 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. Be3 Nc6 8. f3 Bd7 9. Bb3 Qa5 10. Qd2 O-O
1968 Skopje/Ohrid – Round 19 – Matulovic, Milan – 1-0 – Ilievski, Dimitar – G159 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Bc4 Qa5 9. Bb3 O-O 10. Qd2 Bd7
1968 WchT U26 15. fin-B – Round 9.1 – Holaszek, Hans – 1-0 – Levy, David N L – G41 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7 10. Bb3 Qa5
1968 YUG Ch 23th – Round 8 – Bradvarevic, Aleksandar – 1/2-1/2 – Bukal, Vladimir Jr. – G39 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Bc4 Nc6 9. Bb3 Bd7 10. Qd2 Qa5
1969 DSV-Turnier – Round 9 – Vogt, Lothar – 1/2-1/2 – Mista, Ladislav – G46 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 d6 8. f3 Bd7 9. Qd2 O-O 10. Bb3 Qa5
1969 Raach zt – Round 20 – Espig, Lutz – 1-0 – Camilleri, Henry – G170 1. Nf3 c5 2. e4 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Bc4 Nc6 9. Qd2 Bd7 10. O-O-O Qa5
1969 Yugoslavia – Round 1 – Matulovic, Milan – 1/2-1/2 – Despotovic, Momcilo – G14 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 O-O 9. Bc4 Bd7 10. Bb3 Qa5

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