B50e — Sicilian: 2.Nf3 d6 3.d3

1.e4 c5 2.Nf3 d6 3.d3 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte g5, paire de fous.
Faiblesses adverses : Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, 5 pièces non développées (B1, C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Nbd2 — Développer Nb1
● Be3 — Développer Bc1
● Bc4 — Développer Bf1
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : paire de fous.
Faiblesses adverses : Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, 6 pièces non développées (B8, G8, C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Nbd7 — Développer Nb8
● ...Nf6 — Développer Ng8
● ...Bg4 — Développer Bc8, clouer Nf3
● ...Bb4 — Développer Bf8

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

B50e —

1.e4 c5 2.Nf3 d6 3.d3

Eval: [-0.11]

Les coups candidats

3…Nc6 — 59.9% (2988 parties)

Ambassadeurs : De Coverly, Roger D (14x), Van der Weide, Karel (13x), Rubio Doblas, Ricardo (13x), Amin Barzegar, Babak (12x), Brizzi, Milagros Tatiana (11x), Iordanidou, Zoi (10x), Doeres, Hans-Juergen (9x), Strittmatter, Norbert (9x)

3…g6 — 22.5% (1121 parties)

Ambassadeurs : Strittmatter, Norbert (6x), Ortel, Endre (6x), De Coverly, Roger D (5x), Van der Weide, Karel (5x), Pettersson, Tomas (5x), Grzesik, Thomas (4x), Griffiths, Peter C (4x), Lupkowski, Edward (4x)

3…Nf6 — 13.7% (685 parties)

Ambassadeurs : Huerta Escobar, Bruce (3x), Brizzi, Milagros Tatiana (3x), Piskur, Mitja (3x), Hryshchenko, Kamila (3x), Svanholm, Ketil (2x), de Wall, Robert (2x), Alonso Garcia, Rene Marcial (2x), Polanyi, Peter (2x)

3…e6 — 1.6% (81 parties)

Ambassadeurs : Dinstuhl, Volkmar, Dr. (2x), Andres Francisco Jimenez Rodriguez (1x), Mamombe, Kudzanai (1x), Rocha, Antonio (1x), Dalinger, Humberto (1x), Schaefer, Guenter (1x), Litterst, Reinhard (1x), Glodova, Erika (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	3…Nc6	3…g6	3…Nf6	3…e6
<1800	269	51%	18%	25%	3%
1800-2200	2165	60%	23%	13%	2%
2200-2600	1149	67%	26%	5%	0%
2600+	4	50%	25%	25%	—

Évolution par décennie (% des parties)

Décennie	N parties	3…Nc6	3…g6	3…Nf6	3…e6
1930s	2	50%	50%	—	—
1950s	25	64%	28%	4%	—
1960s	53	64%	30%	4%	—
1970s	94	62%	31%	6%	—
1980s	144	63%	29%	6%	1%
1990s	1138	61%	25%	11%	1%
2000s	1754	59%	21%	15%	2%
2010s	1499	59%	21%	16%	1%
2020s	276	63%	17%	18%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
3…Nc6	59%	63%	▲ +3.6%
3…g6	21%	17%	▼ -4.1%
3…Nf6	16%	18%	▲ +2.5%
3…e6	1%	1%	-0.3%

Joueurs célèbres

Champions du monde dans cette position

Botvinnik, Mikhail — 2 parties
Tal, Mikhail — 1 partie
Kasparov, Garry — 1 partie

Parties historiques

3…Nc6 — 59.9% (2988 parties)

1939 — Valdes Zavala, Lorenzo vs Holowach, Walter — 1/2-1/2 — Buenos Aires ARG
1953 — Petrosian, Tigran A. vs Sajtar, Jaroslav — 1/2-1/2 — Bucharest ROU
1953 — Djurasevic, Bozidar vs Nikolac, Juraj — 1/2-1/2 — Zagreb CRO
1953 — Gligorić, Svetozar vs Rabar, Braslav — 1-0 — Zagreb CRO
1953 — Troianescu, Octav vs Petrosian, Tigran A. — 0-1 — Bucharest ROU

3…g6 — 22.5% (1121 parties)

1939 — Panov, Vasily vs Rabinovich, Ilya Mar — 1/2-1/2 — Leningrad ch-URS
1953 — Bogdanovic, Rajko vs Rabar, Braslav — 0-1 — Zagreb CRO
1953 — Bogdanovic, Rajko vs Udovcic, Mijo — 0-1 — Zagreb CRO
1954 — Horseman, Derek Geoffrey vs Bruce, Ronald MacKay — 1-0 — Nottingham ENG
1954 — Balanel, Ion vs Filip, Marius Liviu — 0-1 — Bucharest ROU

3…Nf6 — 13.7% (685 parties)

1953 — Troianescu, Octav vs Aczel Szabo, Janos — 0-1 — Bucharest ROU
1960 — Efremoff Taya vs Carrasco Araya, Berna — 1/2-1/2 — Sao Paulo BRA
1967 — Ladanyike-Karakas, Eva vs Bruce, Rowena M — 1-0 — Romford
1974 — Purser, T. vs Barnett, Wayne — 1-0 — Oklahoma City, OK USA
1975 — Garcia, Perez Antony Arturo vs Panno, Oscar — 0-1 — Buenos Aires ARG

3…e6 — 1.6% (81 parties)

1989 — Andres Francisco Jimenez Rodriguez vs Mamombe, Kudzanai — 1/2-1/2 — Tunja wch-jr
1990 — Rocha, Antonio vs Dalinger, Humberto — 1-0 — Buenos Aires ARG
1993 — Freckmann, Mark vs Dinstuhl, Volkmar, Dr. — 0-1 — GER
1993 — Zigo, Viktor vs Svanda, Adam — 1-0 — Znojmo
1994 — Schaefer, Guenter vs Litterst, Reinhard — 1/2-1/2 — Bahn-chM Bad Laasphe

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● c2→d3, d3→e4	● d6→c5, e7→d6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● g5 (2v0)	—
Cases faibles	—	—
Centre	● d5 (1v0), ● e4 (1v0)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 1)
Bc8		● Bc8 Non développé (mob. 5)
Bf8		● Bf8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	5 (b1, c1, f1, a1, h1)	6 (b8, g8, 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	semi-ouvert
Ruptures	● c2-c3, ● d3-d4, ● e4-e5	● …c5-c4, ● …d6-d5, ● …e7-e6, ● …e7-e5, ● …f7-f6, ● …f7-f5

Partie
1939 Leningrad ch-URS – Round 16 – Panov, Vasily – 1/2-1/2 – Rabinovich, Ilya Mar – G132 1. e4 c5 2. Nf3 d6 3. d3 g6 4. Be2 Bg7 5. Nbd2 Nc6 6. c3 e5 7. Nf1 Nge7 8. h4 h6 9. Ne3 d5 10. c4 d4
1953 Bucharest – Round 10 – Troianescu, Octav – 0-1 – Petrosian, Tigran A. – G99 1. e4 c5 2. Nf3 d6 3. d3 Nc6 4. Nbd2 g6 5. g3 Bg7 6. Bg2 e6 7. O-O Nge7 8. Re1 O-O 9. c3 b6 10. Nf1 Ba6
1953 Bucharest – Round 11 – Petrosian, Tigran A. – 1/2-1/2 – Sajtar, Jaroslav – G106 1. e4 c5 2. Nf3 d6 3. d3 Nc6 4. Nbd2 Nf6 5. g3 g6 6. Bg2 Bg7 7. O-O O-O 8. Nc4 d5 9. exd5 Nxd5 10. Re1 Nc7
1953 Bucharest – Round 15 – Troianescu, Octav – 0-1 – Aczel Szabo, Janos – G145 1. e4 c5 2. Nf3 d6 3. d3 Nf6 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. Nbd2 Nc6 8. c3 d5 9. e5 Nd7 10. d4 e6
1953 Zagreb – Round 1 – Bogdanovic, Rajko – 0-1 – Rabar, Braslav – G17 1. e4 c5 2. Nf3 d6 3. d3 g6 4. g3 Bg7 5. Bg2 e6 6. O-O Ne7 7. Nbd2 O-O 8. Nh4 g5 9. Nhf3 Ng6 10. Nc4 h6
1953 Zagreb – Round 1 – Bogdanovic, Rajko – 0-1 – Udovcic, Mijo – G20 1. e4 c5 2. Nf3 d6 3. d3 g6 4. g3 Bg7 5. Bg2 Nc6 6. Nbd2 e6 7. O-O Nge7 8. Nh4 O-O 9. f4 f5 10. Nhf3 Rb8
1953 Zagreb – Round 1 – Djurasevic, Bozidar – 1/2-1/2 – Nikolac, Juraj – G18 1. e4 c5 2. Nf3 d6 3. d3 Nc6 4. Nbd2 Nf6 5. g3 g6 6. Bg2 Bg7 7. O-O O-O 8. Re1 Bd7 9. c3 Qc8 10. Nf1 Bh3
1954 Zonal – Round 15 – Lokvenc, Josef – 1/2-1/2 – Rabar, Braslav – G24 1. e4 c5 2. Nf3 d6 3. d3 Nc6 4. Nbd2 g6 5. g3 Bg7 6. Bg2 e5 7. O-O Nge7 8. Nc4 O-O 9. Nh4 d5 10. Ne3 d4
1955 Argentina – Round 13 – Laurencena Lopez, Gustavo Adrian – 0-1 – Corte, Cesar J – G92 1. e4 c5 2. Nf3 d6 3. d3 Nc6 4. Nbd2 e5 5. c3 d5 6. Be2 d4 7. cxd4 cxd4 8. O-O Nge7 9. Nc4 Ng6 10. Qa4 Bd7
1955 Erfurt – Round 11 – Troianescu, Octav – 0-1 – Padevsky, Nikola – G68 1. e4 c5 2. Nf3 d6 3. d3 Nc6 4. Nbd2 g6 5. g3 Bg7 6. Bg2 Nh6 7. c3 O-O 8. O-O e5 9. Nc4 Kh8 10. h3 f5
1955 Ljubljana – Round 10 – Puc, Stojan – 1/2-1/2 – Grosek, Branko – G86 1. e4 c5 2. Nf3 d6 3. d3 g6 4. g3 Bg7 5. Bg2 Nf6 6. O-O O-O 7. Nbd2 Nc6 8. Re1 Rb8 9. a4 a6 10. h3 e5
1955 Marshall CC Ch 5556 – Round 4 – Santasiere, Anthony – 0-1 – Kaufmann, Allan – G11 1. e4 c5 2. Nf3 d6 3. d3 Nc6 4. g3 g6 5. Bg2 Bg7 6. c3 e5 7. O-O Nge7 8. Be3 O-O 9. Ne1 Be6 10. Nd2 b6
1955 URS-USA telex – Round 3 – Petrosian, Tigran A. – 1-0 – Pavey, Max – G12 1. e4 c5 2. Nf3 d6 3. d3 Nc6 4. Nbd2 Nf6 5. g3 e6 6. Bg2 Be7 7. O-O O-O 8. c3 d5 9. Re1 Qc7 10. Nf1 Bd7
1955 Zagreb – Round 8 – Barcza, Gedeon – 0-1 – Ivkov, Borislav – G88 1. e4 c5 2. Nf3 d6 3. d3 g6 4. Be2 Bg7 5. O-O Nc6 6. c3 Nf6 7. Nbd2 O-O 8. a4 e5 9. Nc4 Qc7 10. Be3 b6
1956 Moscow olm fin-A – Round 1 – Phillips, Alan – 0-1 – Geller, Efim P – G9 1. e4 c5 2. Nf3 d6 3. d3 Nc6 4. Nbd2 g6 5. g3 Bg7 6. Bg2 e5 7. a4 Nge7 8. Nc4 O-O 9. O-O f5 10. c3 h6
1957 Marshall CC Ch 5657 – Round 5 – Bernstein, Sidney – 0-1 – Donovan, Jeremiah – G3 1. e4 c5 2. Nf3 d6 3. d3 e5 4. g3 Nc6 5. Bg2 Bg4 6. Nbd2 Nf6 7. O-O Qd7 8. Re1 h5 9. Nf1 h4 10. c3 Be7
1960 URS Ch sf – Round 10 – Uusi, Gunnar – 1-0 – Barenboim, Grigory – G76 1. e4 c5 2. Nf3 d6 3. d3 Nc6 4. Be2 g6 5. c3 Bg7 6. Be3 Nf6 7. h3 O-O 8. O-O c4 9. dxc4 Nxe4 10. Nbd2 Nc5
1961 Oberhausen etc – Round 1 – Lengyel, Laszlo – 1/2-1/2 – Tolush, Alexander – G32 1. e4 c5 2. Nf3 d6 3. d3 Nc6 4. g3 e5 5. Bg2 Be7 6. c3 f5 7. Qb3 Na5 8. Qc2 Nf6 9. b4 cxb4 10. cxb4 fxe4
1963 Budapest ch-HUN – Round 1 – Dely, Peter – 1/2-1/2 – Kovacs H., Zoltan – G124 1. e4 c5 2. Nf3 d6 3. d3 Nc6 4. g3 Bg4 5. h3 Bd7 6. Bg2 Qc8 7. c3 Nf6 8. Qe2 g6 9. Be3 Bg7 10. Nbd2 O-O
1965 Noordwijk – Round 6 – Botvinnik, Mikhail – 1-0 – Van den Berg, Cees – G21 1. e4 c5 2. Nf3 d6 3. d3 g6 4. g3 Bg7 5. Bg2 Nf6 6. O-O O-O 7. c3 Nc6 8. Nbd2 Rb8 9. Re1 b5 10. d4 b4
1965 Zinnowitz GER – Round 4 – Szilagyi, Gyorgy Laszlo – 0-1 – Simagin, Vladimir – G8 1. Nf3 d6 2. e4 c5 3. d3 g6 4. Nbd2 Bg7 5. g3 Nc6 6. Bg2 e5 7. c3 Nge7 8. a3 O-O 9. b4 a6 10. h4 h6
1966 Moscow – Round 1 – Botvinnik, Mikhail – 1/2-1/2 – Petrosian, Tigran A. – G11 1. e4 c5 2. Nf3 d6 3. d3 g6 4. g3 Bg7 5. Bg2 Nf6 6. O-O O-O 7. Nbd2 Nc6 8. a4 b6 9. Nc4 Bb7 10. Bd2 Qc7
1967 Havering Women's International – Round 7 – Ladanyike-Karakas, Eva – 1-0 – Bruce, Rowena M – G17 1. e4 c5 2. Nf3 d6 3. d3 Nf6 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. Nbd2 Nc6 8. c3 Bd7 9. Nh4 e5 10. Qe1 b5
1969 Athene zt – Round 16 – Lombard, Andre – 1/2-1/2 – Nicevski, Risto – G22 1. e4 c5 2. Nf3 d6 3. d3 Nc6 4. Nbd2 g6 5. g3 Bg7 6. Bg2 e5 7. O-O Nge7 8. Nc4 O-O 9. a4 h6 10. Nfd2 Be6

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