B79e — Sicilian: Dragon, Yugoslav, Old Main Line, 12.h4 Ne5 13.g4

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 12.h4 Ne5 13.g4 * ● Trait aux Noirs

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 d5, case forte g5, Bb3 actif, Be3 actif, paire de fous, colonne d.
Problèmes : arriéré f3.
Plans :
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité centre (2v1), case forte c4, case forte c5, case forte e5, avant-postes c5(T), e5(C), Bd7 actif, paire de fous, colonne c.
Faiblesses adverses : arriéré f3.
Plans :
● ...d5 — Rupture
● ...e6 — Rupture
● ...Rc — Tour sur colonne c

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

B79e — 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 12.h4 Ne5 13.g4

Eval: [+0.81]

Les coups candidats

13…Nc4 — 54.1% (462 parties)

Ambassadeurs : Ward, Chris G (4x), Molina Vina, Marcos (4x), De Eccher, Stefano (3x), Estrin, Yakov (3x), Leisebein, P. (3x), Huba, Martin (3x), Tagnon, Nicole (3x), Martin Gonzalez, Angel (3x)

13…b5 — 30.4% (260 parties)

Ambassadeurs : Gaponenko, Inna (7x), Kreiling, Carsten (5x), Hallenberg, Sami (4x), Kristensen, Henrik Lunden (3x), Jensen, Bjarke (3x), Salmensuu, Olli (3x), Cebalo, Miso (3x), Cernousek, Lukas (3x)

13…Rc4 — 10.9% (93 parties)

Ambassadeurs : Klovans, Janis (3x), Rajlich, Vaclav (3x), Rausis, Igors (2x), Picardi, Angelo (2x), Pagnoncelli, Marco (2x), Toma, Katarzyna (2x), Simmelink, Joop Theo (2x), Cooke, Eric (2x)

13…h5 — 2.8% (24 parties)

Ambassadeurs : Sharif, Mehrshad (1x), Ujtumen, Tudev (1x), Kuhnert, Steffen (1x), Kollowa, Kurt, Dr. (1x), Chambellan C (1x), Pecqueux, Sylvain (1x), Loidl, Florian (1x), Bundt, Bernhard (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	13…Nc4	13…b5	13…Rc4	13…h5
<1800	15	73%	13%	—	7%
1800-2200	301	57%	26%	11%	4%
2200-2600	266	39%	39%	17%	2%
2600+	1	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	13…Nc4	13…b5	13…Rc4	13…h5
1960s	17	59%	29%	12%	—
1970s	41	66%	24%	2%	5%
1980s	70	57%	36%	6%	—
1990s	194	59%	29%	8%	3%
2000s	390	53%	29%	14%	3%
2010s	134	45%	36%	10%	4%
2020s	8	38%	38%	12%	12%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
13…Nc4	45%	38%	▼ -7.3%
13…b5	36%	38%	▲ +1.7%
13…Rc4	10%	12%	▲ +2.1%
13…h5	4%	12%	▲ +8.0%

Parties historiques

13…Nc4 — 54.1% (462 parties)

1967 — Jakobsen, Ole vs Keene, Raymond D — 1-0 — Bognor Regis
1967 — Barczay, Laszlo vs Kavalek, Lubomir — 1-0 — Salgotarjan
1967 — Kaikkonen, Sulo vs Efimov, Makar — 1/2-1/2 — ?
1968 — Bykhovsky, Anatoly A vs Gik, Evgeny — 0-1 — USSR
1969 — Atanasov, Petko vs Ribli, Zoltan — 0-1 — Groningen NED

13…b5 — 30.4% (260 parties)

1967 — Georgieva, Antonina vs Honfi, Karolyne — 1-0 — Sofia BUL
1969 — Aijala, Jouko vs Ljubojevic, Ljubomir — 0-1 — Dresden GER
1969 — Johansson, Martin 1979 vs Osterling, Gosta — 0-1 — corr SWE/K
1969 — Bergdahl, Assar vs Osterling, Gosta — 1/2-1/2 — corr SWE/K
1969 — Ioho vs Ljubojevic, Ljubomir — 0-1 — Dresden WchT st

13…Rc4 — 10.9% (93 parties)

1968 — Mnatsakanian, Eduard A vs Veresov, Gavriil — 0-1 — USSR
1969 — Sax, Gyula vs Liebert, Heinz — 1/2-1/2 — Debrecen HUN
1975 — Balaskas, Panayotis vs Gavrilakis, Nikolaos — 1-0 — Greece ch fnl
1983 — Cseshkovsky, Vitaly vs Yurtaev, Leonid — 1-0 — Frunze KGZ
1986 — Klovans, Janis vs Rausis, Igors — 1-0 — Nuerenberg GER

13…h5 — 2.8% (24 parties)

1972 — Sharif, Mehrshad vs Ujtumen, Tudev — 1-0 — Teheran
1973 — Kuhnert, Steffen vs Kollowa, Kurt, Dr. — 0-1 — corr DDR/M
1994 — Chambellan C vs Pecqueux, Sylvain — 0-1 — ?
1995 — Abreu Rodriguez, Juan Luis vs Acosta Gonzalez, Ricardo — 1-0 — Tarrega
1996 — Loidl, Florian vs Bundt, Bernhard — 1-0 — Werfen

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	● f3	—
Chaînes	● f3→e4, f3→g4	● e7→d6, f7→g6, h7→g6
Passés	—	—
Majorité	● aile_dame 3v2	● centre 2v1

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (2v0), ● e4 (2v1), ● d5 (3v2), ● g5 (2v0)	● c4 (2v1), ● c5 (3v0), ● e5 (2v0)
Cases faibles	—	● b5
Centre	● d4 (2v0), ● d5 (3v2), ● e4 (2v1)	● e5 (2v0)

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. 7)
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	● f3-f4	● …d6-d5, ● …e7-e6

Partie
1967 Churchill Memorial Open 15th – Round 4 – Jakobsen, Ole – 1-0 – Keene, Raymond D – G4 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. O-O-O Qa5
1967 Salgotarjan – Round 1 – Barczay, Laszlo – 1-0 – Kavalek, Lubomir – G2 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
1968 USSR – Round 1 – Bykhovsky, Anatoly A – 0-1 – Gik, Evgeny – G26 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
1968 USSR – Round 1 – Mnatsakanian, Eduard A – 0-1 – Veresov, Gavriil – G34 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

1967 Churchill Memorial Open 15th – Round 4 – Jakobsen, Ole – 1-0 – Keene, Raymond D – G4

1967 Salgotarjan – Round 1 – Barczay, Laszlo – 1-0 – Kavalek, Lubomir – G2

1968 USSR – Round 1 – Bykhovsky, Anatoly A – 0-1 – Gik, Evgeny – G26

1968 USSR – Round 1 – Mnatsakanian, Eduard A – 0-1 – Veresov, Gavriil – G34