Base Masters : Blancs 28.7%, Nulles 46.1%, Noirs 25.3%.

Coups candidats

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Analyse coup par coup — 11 demi-coups commentés

1.e4 Avancée centrale — contrôle d5, f5. Prépare d4, f4, Bc4, Bd3.
1…c5 Avancée centrale — contrôle b4, d4. Prépare Nc6, d5.
2.Nf3 Contrôle c4, d4, d5, e5.
2…d6 Avancée centrale — contrôle c5, e5. Prépare e5, Nd7.
3.d4 Avancée centrale — contrôle c5, e5. Prépare c4, e4, Nc3.
3…cxd4 Capture en d4 — résout la tension centrale.
4.Nxd4 Capture pion en d4.
4…Nf6 Contrôle e4, c5, d5, e5.
5.Nc3 Contrôle c4, f4, d5, f5.
5…a6 Coup prophylactique — empêche Nb5, Bb5. Prépare b5.
6.Be2 Contrôle c4, f4, d5, f5.

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● b7→a6, e7→d6
Passés	—	—
Majorité	● aile dame 3v2	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d5 (2v1), ● f5 (2v1)	● g4 (2v1)
Cases faibles	—	—
Centre	● d4 (1v0), ● d5 (2v1)	● e5 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● c

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Be2	● Be2 Actif (mob. 8)
Bc8		● Bc8 Non développé (mob. 5)
Bf8		● Bf8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	3 (● c1, ● a1, ● h1)	5 (● b8, ● c8, ● f8, ● a8, ● h8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Au centre	● Au centre
Droits de roque	O-O / O-O-O	O-O / O-O-O

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	mobile
Ruptures	● e4-e5	● …d6-d5

B92 — Sicilian Defense: Najdorf Variation, Opocensky Variation

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

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Plans. Nb3 (58 % des parties) ; O-O (Mettre le roi en sécurité, connecter les tours — 20 % des parties) ; Be3 (Fou actif (mobilité 5), Développer c1 — 10 % des parties) ; Nf3 (6 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

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Plans. ...e5 (Occuper le centre — 64 % des parties) ; ...e6 (Poussée — 29 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1928 Bradley Beach – Round 4 – Isaacs, Lewis Jl – 0-1 – Kupchik, Abraham – G8 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 b5 7. Bf3 e5 8. Nb3 Bb7 9. O-O Nbd7 10. Bg5 Be7
1930 Hamburg olm – Round 2.3 – Desler, A. – 0-1 – Van den Bosch, Johannes – G22 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 b5 7. a3 Bb7 8. Bf3 Nbd7 9. O-O e6 10. g3 Be7
1931 Prague ol – Round 5 – Lie, Nicolas – 0-1 – Van den Bosch, Johannes – G16 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 b5 7. a3 Bb7 8. Bf3 Nbd7 9. O-O Ne5 10. Re1 e6
1934 Leningrad ch-URS – Round 18 – Bohatyrchuk, Fedir Parfenovych – 0-1 – Ragozin, Viacheslav – G166 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 Qc7 7. O-O Nbd7 8. f4 e6 9. Qe1 b5 10. Bf3 Bb7
1936 Budapest – Round 7 – Szabo, Laszlo – 1-0 – Steiner, Endre – G28 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 b5 7. Bf3 e5 8. Nf5 Bb7 9. Bg5 h6 10. Bxf6 Qxf6
1938 URS Ch, semi final – Round 1 – Rovner, Dmitry – 1/2-1/2 – Yudovich, Mikhail M – G38 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 b5 7. f3 e6 8. O-O Be7 9. a4 b4 10. Na2 O-O
1942 New York – Round 1 – Kashdan, Isaac – 1-0 – Baker, Patrick – G2 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 Qc7 7. O-O b5 8. f4 b4 9. Nd5 Nxd5 10. exd5 g6
1942 Salzburg – Round 1 – Stoltz, Gabriel – 1/2-1/2 – Junge, Kai – G1 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 b5 7. Bf3 e5 8. Nde2 Bb7 9. a3 Nbd7 10. g4 h6
1942 Salzburg – Round 5 – Schmidt, Pascal – 1-0 – Stoltz, Gabriel – G12 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 b5 7. Bf3 e5 8. Nde2 Bb7 9. Bg5 Nbd7 10. O-O h6
1942 USA Ch – Round 12 – Kashdan, Isaac – 1-0 – Baker, Haris – G16 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 Qc7 7. O-O b5 8. f4 b4 9. Nd5 Nxd5 10. exd5 g6
1943 Prague – Round 3 – Lokvenc, Josef – 1/2-1/2 – Opocensky, Karel – G20 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 b5 7. Bf3 e5 8. Nb3 Bb7 9. a3 Nbd7 10. O-O Qc7
1946 Pittsburgh Open – Round 1 – Forster, James Connor Christophe – 0-1 – Kupchik, Abraham – G53 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 b5 7. Bf3 e5 8. Nf5 g6 9. Ne3 Nc6 10. Ned5 Nxd5
1949 URS Ch, semi final – Round 1 – Liublinsky, Victor – 1-0 – Kan, Ilya A – G56 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 Qc7 7. Bg5 Nbd7 8. O-O e6 9. Kh1 b5 10. a3 Bb7
1950 Candidats Tournament – Round 5 – Keres, Paul – 1-0 – Kotov Lundqvist, Alex – G21 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 Qc7 7. Bg5 Nbd7 8. O-O e6 9. Bh5 Qc4 10. Nxe6 Qxe6
1950 Venice – Round 9 – De Paoli, Emilio – 1-0 – Primavera, Giuseppe – G79 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 Qc7 7. O-O b5 8. Bf3 e5 9. Nf5 Be6 10. Bg5 Nbd7
1951 Buenos Aires – Round 14 – Juarez Baldizon, Carlos A. – 0-1 – Shocron, Ruben – G83 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 Qc7 7. g4 h6 8. Be3 e6 9. Qd2 b5 10. a3 Bb7
1951 YUG Ch 6th – Round 1 – Majstorovic, Ljubomir – 0-1 – Bertok, Mario Jr. – G4 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 b5 7. a3 Bb7 8. f3 e6 9. O-O Be7 10. Be3 O-O
1952 Moskou ch-URS – Round 1 – Geller, Efim P – 1-0 – Kan, Ilya A – G102 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 Qc7 7. O-O g6 8. Bg5 Nbd7 9. Nd5 Nxd5 10. exd5 Bg7
1954 ITA-ch17 Trieste – Round 7 – Primavera, Giuseppe – 1-0 – Nestler, Vincenzo – G9 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 Qc7 7. O-O b5 8. a4 e5 9. Nb3 b4 10. Nd5 Nxd5
1954 Olympiad final B – Round 1 – Nash, William – 0-1 – Walther, Edgar – G32 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 b5 7. a3 e5 8. Nf3 h6 9. h3 Bb7 10. Bd3 Nbd7
1955 Long Beach US-open – Round 6 – Fischheimer, Daniel – 0-1 – Turner, Abe J – G19 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 Qc7 7. Bg5 Nbd7 8. Qd2 e6 9. O-O b5 10. f3 Be7
1964 URS Spartakiad – Round ? – Bannik, Anatolij – 1-0 – Murey, Jacob – G21 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 b5 7. Bf3 e5 8. Nde2 Bb7 9. Bg5 Nbd7 10. Ng3 h6
1967 BRA Ch – Round 1 – Pimentel, Frederico Guilherme – 0-1 – Gadia, Olicio – G2 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 Qc7 7. O-O b5 8. a3 Bb7 9. Bd3 Nbd7 10. f4 g6

B92a — Najdorf Variation, Opocensky Variation (1928)

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.Be2

Les coups candidats

6…e5 — 63.8% (37512 parties) →

Ambassadeurs : Agathiyan Susil (107x), Wosch, Arkadiusz (97x), ? (87x), Janisch, Manfred (86x), Jansa, Vlastimil (58x), Gallagher, Joseph G. (45x), Binas, Jindrich (44x), Klovans, Janis (43x)

6…e6 — 29.1% (17096 parties) →

Ambassadeurs : Ftacnik, Lubomir (92x), Kempinski, Robert (75x), Van Wely, Loek (60x), ? (44x), Jansa, Vlastimil (41x), Klovans, Janis (35x), Wojtkiewicz, Aleksander (33x), Sznapik, Aleksander (30x)

6…g6 — 2.7% (1565 parties) →

Ambassadeurs : Andriasian, Zaven (15x), Saravanan, V. (9x), Georgiev, Kiril (9x), Kuczynski, Robert (8x), Krueger, Hilmar (8x), Krutti, Valer (7x), Wojtkiewicz, Aleksander (5x), Aden, Dagmar (5x)

6…Nbd7 — 1.8% (1033 parties) →

Ambassadeurs : Quinteros, Miguel A. (20x), Ilincic, Zlatko (10x), Balazec, Ludovit (10x), Polugaevsky, Lev (9x), Shanava, Konstantine (9x), Tringov, Georgi P (8x), ? (8x), Nunn, John D M (7x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6…e5	6…e6	6…g6	6…Nbd7
<1800	4351	58%	33%	3%	1%
1800-2200	24541	64%	29%	2%	1%
2200-2600	20286	68%	27%	2%	2%
2600+	994	68%	27%	3%	2%

Évolution par décennie (% des parties)

Décennie	N parties	6…e5	6…e6	6…g6	6…Nbd7
1950s	450	74%	18%	2%	0%
1960s	786	63%	23%	4%	6%
1970s	1552	56%	31%	3%	7%
1980s	2534	59%	34%	2%	2%
1990s	8535	53%	38%	3%	2%
2000s	18873	59%	35%	2%	1%
2010s	20729	69%	24%	3%	2%
2020s	5368	83%	14%	2%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6…e5	69%	83%	▲ +13.9%
6…e6	24%	14%	▼ -10.5%
6…g6	3%	2%	▼ -1.2%
6…Nbd7	2%	1%	▼ -1.1%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 10 parties
Karpov, Anatoly — 10 parties
Kasparov, Garry — 10 parties
Anand, Viswanathan — 10 parties
Hou, Yifan — 10 parties
Carlsen, Magnus — 10 parties
Ju, Wenjun — 10 parties
Kramnik, Vladimir — 9 parties
Gukesh D — 3 parties
Smyslov, Vladimir — 1 partie
Botvinnik, Mikhail — 1 partie
Ding, Liren — 1 partie

Parties historiques

6…e5 — 63.8% (37512 parties)

1950 — Busek, Hans vs Bolbochan, Julio — 0-1 — Dubrovnik CRO
1950 — Castiglioni, Ferruccio vs Aguilar Del Razo, Danna Zoe — 1-0 — Venice ITA
1950 — Tarnowski, Alfred vs EDEN GLORY — 0-1 — Schiavno Zdroj
1950 — Heaney, RA. vs Tormey, TT. — 1-0 — Belfast IRL
1950 — Gresser, Gisela Kahn vs Hermanova, Roza — 1-0 — Moscow RUS

6…e6 — 29.1% (17096 parties)

1950 — Gruenfeld, Ernst vs Simagin, Vladimir — 1/2-1/2 — Szczawno Zdroj POL
1950 — Grynfeld, Izaak vs Simagin, Vladimir — 1/2-1/2 — Szczawno Zdroj
1950 — Greenfeld, Alon vs Simagin, Vladimir — 1/2-1/2 — Schiavno Zdroj
1950 — Gruenfeld, Ernst vs Simagin, Vladimir — 1/2-1/2 — Szczawno Zdroj
1950 — Rossolimo, Nicolas vs Pilnik, Herman — 1-0 — Amsterdam NED

6…g6 — 2.7% (1565 parties)

1950 — Nestler, Vincenzo vs Staldi, Cherubino — 1/2-1/2 — Venice ITA
1950 — Nestler, Vincenzo vs Staldi, Cherubino — 1/2-1/2 — Venice ITA
1954 — Daniel, Roger vs Mazzoni, Guy — 0-1 — Marseille FRA
1956 — Anay Barche vs Szollosi, Laszlo Sr — 1-0 — Budapest HUN
1957 — De Castro Rubio, Dora vs De Heilbronner, Odile — 0-1 — Rio de Janeiro BRA

6…Nbd7 — 1.8% (1033 parties)

1957 — Marciniak, Alexandre vs Matkowski, Wiktor — 0-1 — Poland
1959 — Gyving, Robert vs OBrien, Erik Michael — 0-1 — Santa Rosa Chess Club
1960 — Elemberg, Norberto vs Casteran, E. — 1-0 — ?
1962 — Aronin, Lev vs Simagin, Vladimir — 1/2-1/2 — Moscow RUS
1962 — Matanovic, Aleksandar vs Stein Septiano Malewa Kleden — 1-0 — Lvov UKR

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