B78g — Sicilian: Dragon, Yugoslav, Main Line, 12.h4

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 Rc8 11.Bb3 Ne5 12.h4 * ● 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 b5, case forte d5, case forte g5, Bb3 actif, Be3 actif, paire de fous, colonne d.
Faiblesses adverses : Bg7 enfermé.
Problèmes : arriéré g2.
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, avant-postes c5(T), e5(C), Bd7 actif, paire de fous, colonne c.
Faiblesses adverses : arriéré g2.
Problèmes : Bg7 enfermé.
Plans :
● ...d5 — Rupture
● ...e6 — Rupture
● ...Rc — Tour sur colonne c

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

B78g — Dragon Yugoslav 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 Rc8 11.Bb3 Ne5 12.h4

Eval: [+0.30]

Les coups candidats

12…h5 — 61.6% (4283 parties) →

Ambassadeurs : Farago, Sandor (31x), Starace, Umberto (23x), Jobe, Tom (17x), Granara Barreto, Sebastian (16x), Poli, Giuseppe (13x), Remus, Horst (12x), Kudrin, Sergey (11x), Bennborn, Jan (11x)

12…Nc4 — 36.0% (2501 parties) →

Ambassadeurs : Szalanczi, Emil (34x), Nesis, Gennadij (25x), Ernst, Thomas (23x), Tolnai, Tibor (21x), Schneider, Attila (21x), Wallinger, Manfred (20x), Starace, Umberto (14x), Praszak, Michal (11x)

12…Qa5 — 1.1% (77 parties)

Ambassadeurs : Yurtaev, Leonid (3x), Alvarez Lee, Felix (2x), Degli, Eredi Gilsberto (2x), Henri, Damien (2x), Marta, Dominik (2x), Szalanczi, Emil (2x), Kinnmark, Ove (1x), Pantazi, Emanuel A (1x)

12…a5 — 0.9% (61 parties)

Ambassadeurs : Velimirovic, Dragoljub (3x), Istvanovszki, Martin (3x), Fatalibekova, Elena (2x), Akhsharumova, Anna (2x), Istvanovszki, Kalman (2x), Garcia Nicolau, Albert (1x), Nowarra, Waltraud (1x), Klovans, Janis (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	12…h5	12…Nc4	12…Qa5	12…a5
<1800	210	67%	29%	3%	0%
1800-2200	2257	66%	31%	1%	1%
2200-2600	2048	65%	34%	1%	1%
2600+	23	57%	43%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	12…h5	12…Nc4	12…Qa5	12…a5
1930s	1	—	100%	—	—
1960s	24	25%	46%	21%	8%
1970s	274	18%	72%	1%	8%
1980s	884	47%	50%	1%	1%
1990s	2403	57%	41%	1%	0%
2000s	2160	70%	28%	1%	1%
2010s	1121	76%	21%	1%	0%
2020s	82	74%	24%	—	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
12…h5	76%	74%	▼ -1.4%
12…Nc4	21%	24%	▲ +2.9%
12…Qa5	1%	0%	▼ -1.4%
12…a5	0%	1%	▲ +0.8%

Joueurs célèbres

Champions du monde dans cette position

Anand, Viswanathan — 6 parties
Karpov, Anatoly — 4 parties
Kasparov, Garry — 2 parties
Kramnik, Vladimir — 1 partie
Tal, Mikhail — 1 partie

Parties historiques

12…h5 — 61.6% (4283 parties)

1962 — Rosenauer, Harald vs Alvarez Poli, Antonio Andr — 0-1 — corr ICCF Cup q
1962 — Cafferty, Bernard vs Hollis, Adrian — 1/2-1/2 — Hastings ENG
1963 — Larsen, Benjamin Holsko vs Westerinen, Heikki M.J. — 1-0 — Halle GER
1965 — Levy, David N L vs Pavlov, Mircea-Sergiu-Aurelian — 0-1 — Sinaia
1967 — Cosulich, Roberto vs Porreca, Alessio — 1-0 — San Benedetto

12…Nc4 — 36.0% (2501 parties)

1938 — Pytlakowski, Andrzej vs Dake, Arthur William — 1-0 — Krakow Krakow POL
1960 — Bednarski, Jacek vs Spotanski — 0-1 — ?
1960 — Shianovsky, Vladislav I vs Kostiuchenko, Alexander — 1-0 — Kiev UKR
1961 — Shmit, Anatoly vs Parma, Bruno — 1/2-1/2 — Belgrade SRB
1961 — Smit, Dick vs Parma Erra, David — 1/2-1/2 — Belgrado

12…Qa5 — 1.1% (77 parties)

1964 — Kinnmark, Ove vs Alvarez Lee, Felix — 0-1 — Zuerich-J Zurich SUI
1964 — Hess Jakobsen, Nicolai vs Alvarez Lee, Felix — 1-0 — Zurich SUI
1964 — Gaprindashvili, Nona vs Lee, Peter N — 1-0 — Hastings ENG
1964 — Westerinen, Heikki M.J. vs Hollis, Adrian — 1-0 — Krakow POL
1966 — Pantazi, Emanuel A vs Hartston, William R — 1/2-1/2 — WchTJ U26 fin-A

12…a5 — 0.9% (61 parties)

1963 — Klovans, Janis vs Heyer, Anne Ricarda — 1-0 — Moscow RUS
1968 — Garcia Nicolau, Albert vs Nowarra, Waltraud — 0-1 — Romania
1972 — Holaszek, Hans vs Sawadkuhi, Massoud Amir — 1-0 — Skopje ol (Men) prel
1972 — Zotos, Loukas vs Rattinger, Friedrich — 1-0 — Graz AUT
1972 — Amos, Bruce M. vs Day, Lawrence A. — 0-1 — Toronto CAN

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

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (2v0), ● e4 (2v1), ● b5 (2v1), ● d5 (3v1), ● g5 (2v0)	● c4 (2v1), ● c5 (2v0)
Cases faibles	—	—
Centre	● d4 (2v0), ● d5 (3v1), ● e4 (2v1)	● e5 (1v0)

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. 8)
Bg7		● Bg7 Enfermé (mob. 2)
Paire de fous	● Oui	● Oui
Clouages	—	● pawn f7
Non développées	1 (h1)	—

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
1963 URS Team Ch – Round ? – Klovans, Janis – 1-0 – Heyer, Anne Ricarda – G36 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 Rc8
1964 Hastings6465 – Round 4 – Gaprindashvili, Nona – 1-0 – Lee, Peter N – G18 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 Rc8
1964 WchT U26 11. qual-B – Round 3.1 – Westerinen, Heikki M.J. – 1-0 – Hollis, Adrian – G13 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 Rc8
1964 Zuerich-J – Round ? – Hess Jakobsen, Nicolai – 1-0 – Alvarez Lee, Felix – G8 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 Rc8
1964 Zuerich-J Zurich SUI – Round 3 – Kinnmark, Ove – 0-1 – Alvarez Lee, Felix – G3 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Bc4 O-O 8. f3 Nc6 9. Qd2 Bd7 10. O-O-O Rc8
1966 WchTJ U26 fin-A – Round 1 – Pantazi, Emanuel A – 1/2-1/2 – Hartston, William R – G2 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Bc4 Nc6 8. f3 O-O 9. Bb3 Bd7 10. h4 Rc8

1963 URS Team Ch – Round ? – Klovans, Janis – 1-0 – Heyer, Anne Ricarda – G36

1964 Hastings6465 – Round 4 – Gaprindashvili, Nona – 1-0 – Lee, Peter N – G18

1964 WchT U26 11. qual-B – Round 3.1 – Westerinen, Heikki M.J. – 1-0 – Hollis, Adrian – G13

1964 Zuerich-J – Round ? – Hess Jakobsen, Nicolai – 1-0 – Alvarez Lee, Felix – G8

1964 Zuerich-J Zurich SUI – Round 3 – Kinnmark, Ove – 0-1 – Alvarez Lee, Felix – G3

1966 WchTJ U26 fin-A – Round 1 – Pantazi, Emanuel A – 1/2-1/2 – Hartston, William R – G2