B99i — Sicilian: Najdorf, Main Line, 10.Bd3 h6 11.Bh4 g5 12.fxg5

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 Qc7 9.O-O-O Nbd7 10.Bd3 h6 11.Bh4 g5 12.fxg5 * ● 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), majorité aile_roi (3v2), case forte e4, Bd3 actif, paire de fous, colonnes d, f.
Faiblesses adverses : arriérés b7, f7, isolé h6, Be7 enfermé, Bc8 enfermé, roi noir au centre.
Problèmes : isolé e4.
Plans :
● Rd — Tour sur colonne d
● Rf — Tour sur colonne f

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité centre (2v1), case forte c5, case forte e5, avant-postes c5(C), e5(C), paire de fous, colonnes c, g.
Faiblesses adverses : isolé e4.
Problèmes : roi au centre, Be7 enfermé, Bc8 enfermé, arriérés b7, f7, isolé h6, 3 pièces non développées (C8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● b6+Bb7 — PRIORITÉ: libérer le Bc8 (b6+Bb7, ...Bf5)
● ...d5 — Rupture
● ...e5 — Rupture
● ...Rc — Tour sur colonne c

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

B99i — Najdorf Main Line

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Bg5 e6 7.f4 Be7 8.Qf3 Qc7 9.O-O-O Nbd7 10.Bd3 h6 11.Bh4 g5 12.fxg5

Eval: [+0.43]

Les coups candidats

12…Ne5 — 99.8% (1309 parties)

Ambassadeurs : Kover, Warner Bruce Prof Dr (12x), Browne, Walter Shawn (9x), ? (8x), Kappes, Dieter (7x), Zmarzly, Aleksandra (7x), Kanovsky, David (6x), Bobotsov, Milko G (5x), Nemet, Ivan (5x)

12…hxg5 — 0.1% (1 parties)

Ambassadeurs : ? (1x), Loewenthal, Gunther (1x)

12…Nd5 — 0.1% (1 parties)

Ambassadeurs : Hughes, Gregory (1x), Smyth, Sandy A (1x)

12…Nh7 — 0.1% (1 parties)

Ambassadeurs : Sturdik, Igor (1x), Kozinka, Roman (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	12…Ne5	12…hxg5	12…Nd5	12…Nh7
<1800	28	96%	—	4%	—
1800-2200	463	100%	—	—	0%
2200-2600	524	100%	—	—	—
2600+	10	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	12…Ne5	12…hxg5	12…Nd5	12…Nh7
1960s	30	100%	—	—	—
1970s	135	100%	—	—	—
1980s	127	100%	—	—	—
1990s	112	99%	1%	—	—
2000s	365	100%	—	—	—
2010s	456	100%	—	0%	0%
2020s	87	100%	—	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
12…Ne5	100%	100%	+0.4%
12…hxg5	0%	0%	+0.0%
12…Nd5	0%	0%	-0.2%
12…Nh7	0%	0%	-0.2%

Joueurs célèbres

Champions du monde dans cette position

Hou, Yifan — 1 partie

Parties historiques

12…Ne5 — 99.8% (1309 parties)

1960 — Chipev Teodor vs Bobotsov, Milko G — 1/2-1/2 — Sofia ch BUL
1960 — Asfora, Eduardo Hasbum vs Gadia, Olicio — 1-0 — Fortaleza BRA
1960 — Gentil Junior, Luiz vs Gadia, Olicio — 1-0 — Fortaleza BRA
1961 — Cesnauskas, Antonas A vs Savon, Vladimir — 1/2-1/2 — Novgorod RUS
1961 — Bagirov, Vladimir vs Buslaev, Aleksander — 1-0 — URS-ch sf Batumi GEO

12…hxg5 — 0.1% (1 parties)

1994 — ? vs Loewenthal, Gunther — 1/2-1/2 — The Hague NED

12…Nd5 — 0.1% (1 parties)

2013 — Hughes, Gregory vs Smyth, Sandy A — 0-1 — ICCF

12…Nh7 — 0.1% (1 parties)

2014 — Sturdik, Igor vs Kozinka, Roman — 1-0 — Slovakia

	♔ Blancs	♚ Noirs
Pions doublés	● g2, ● g5	—
Pions isolés	● e4	● h6
Arriérés	—	● b7, ● f7
Chaînes	—	● b7→a6, f7→e6
Passés	—	—
Majorité	● aile_dame 3v2, aile_roi 3v2	● centre 2v1

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e4 (3v1)	● c5 (3v0), ● e5 (2v0)
Cases faibles	—	● f6
Centre	● e4 (3v1)	● e5 (2v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d, ● f	● c, ● g

Pièces

	♔ Blancs	♚ Noirs
Bd3	● Bd3 Actif (mob. 5)
Bh4	● Bh4 Ok (mob. 3)
Be7		● Be7 Enfermé (mob. 2)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	1 (h1)	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	● …d6-d5, ● …e6-e5

Partie
1960 BRA-ch27 – Round 5 – Gentil Junior, Luiz – 1-0 – Gadia, Olicio – G8 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. O-O-O h6 10. Bh4 Nbd7
1960 Sofia ch BUL – Round 9 – Chipev Teodor – 1/2-1/2 – Bobotsov, Milko G – G9 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Be7 9. Qf3 Qc7 10. O-O-O Nbd7
1961 URS Ch sf Batumi GEO – Round ? – Bagirov, Vladimir – 1-0 – Buslaev, Aleksander – G29 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Be7 9. Qf3 Qc7 10. O-O-O Nbd7
1961 URS-ch29 sf Novgorod – Round 7 – Cesnauskas, Antonas A – 1/2-1/2 – Savon, Vladimir – G17 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Be7 9. Qf3 Qc7 10. Bd3 Nbd7
1962 Belgrade – Round 6 – Ivkov, Borislav – 1-0 – Sokolov, Vladimir – G30 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Be7 9. Qf3 Qc7 10. O-O-O Nbd7
1962 Bucharest – Round 13 – Kholmov, Ratmir D – 1/2-1/2 – Drozd, Ryszard – G64 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bg5 a6 7. f4 Be7 8. Qf3 Qc7 9. O-O-O h6 10. Bh4 Nbd7
1963 CSR Ch – Round 6 – Smejkal, Jan – 1-0 – Kavalek, Lubomir – G51 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Be7 9. Qf3 Qc7 10. O-O-O Nbd7
1963 Winnipeg – Round 10 – Schulman, Mark – 0-1 – Vranesic, Zvonko – G22 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qc7 8. Qf3 Be7 9. O-O-O h6 10. Bh4 Nbd7
1964 BRA Ch – Round 10 – Moennich, Marcos – 0-1 – Gadia, Olicio – G36 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. O-O-O h6 10. Bh4 Nbd7
1964 Pecs – Round 1 – Haag, Ervin – 1/2-1/2 – Bobotsov, Milko G – G2 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Be7 9. Qf3 Qc7 10. O-O-O Nbd7
1964 Zagreb – Round 13 – Nemet, Ivan – 1-0 – Bobotsov, Milko G – G71 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Be7 9. Qf3 Qc7 10. O-O-O Nbd7
1965 Marianske Lazne – Round 2 – Jimenez Zerquera, Eleazar – 1-0 – Bednarski, Jacek B – G10 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 Nbd7 10. O-O-O Qc7
1965 Rubinstein Memorial – Round 3 – Grabczewski, Romuald – 0-1 – Bednarski, Jacek – G10 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 Qc7 10. O-O-O Nbd7
1966 Bucharest Bucharest ROM – Round 12 – Matulovic, Milan – 1-0 – Bednarski, Jacek B – G34 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Be7 9. Qf3 Nbd7 10. O-O-O Qc7
1966 Panamerican – Round ? – Jimenez Zerquera, Eleazar – 1/2-1/2 – Bielicki, Carlos – G83 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. O-O-O Nbd7 10. Bd3 h6
1967 Sousse Interzonal – Round 3 – Gipslis, Aivars – 1/2-1/2 – Kavalek, Lubomir – G25 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 Nbd7 10. O-O-O Qc7
1968 Bamberg – Round 3 – Kestler, Hans-Guenther – 1/2-1/2 – Szabo, Ladislav – G32 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 Nbd7 10. O-O-O Qc7
1968 IBM – Round 13 – Ree, Hans – 0-1 – Kavalek, Lubomir – G44 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 Nbd7 10. O-O-O Qc7
1968 Reykjavik – Round ? – Sigurjonsson, Johann O – 1/2-1/2 – Szabo, Laszlo – G84 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 Nbd7 10. O-O-O Qc7
1968 Rubinstein Memorial – Round 2 – Kostro, Jerzy – 1/2-1/2 – Kavalek, Lubomir – G17 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 Nbd7 10. O-O-O Qc7
1969 San Juan – Round 4 – Damjanovic, Mato – 1/2-1/2 – Browne, Walter S – G27 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 Nbd7 10. O-O-O Qc7
1972 San Antonio – Round 8 – Evans, Larry M – 1/2-1/2 – Portisch, Lajos – G75 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. O-O-O Nbd7 10. Bd3 h6
1975 Portoroz/Ljubljana – Round 8 – Parma, Bruno – 1-0 – Mariotti, Sergio – G46 1. e4 c5 2. Nf3 d6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 Nf6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 Qc7 10. O-O-O Nbd7
Amber Blindfold 2005 – Round 2 – Ivanchuk, Vasyl – 1-0 – Vallejo Pons, Francisco – G9 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Nbd7 9. O-O-O h6 10. Bh4 Qc7
Paris Immopar rapid 1992 – Round 2 – Kamsky, Gata – 1-0 – Polgar, Judit – G13 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 Nbd7 10. O-O-O Qc7
Vienna Millenium 1996 – Round 7 – Polgar, Judit – 1/2-1/2 – Gelfand, Boris – G19 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. O-O-O Nbd7 10. Bd3 h6
World Blitz 2017 – Round 19.47 – Khairat, Ahmed – 1-0 – Kokarev, Dmitry – G1009 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Nbd7 9. O-O-O h6 10. Bh4 Qc7

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