Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● f7→g6, h7→g6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e5 (2v1), ● g5 (2v0)	● b4 (2v0), ● d4 (2v1)
Cases faibles	—	—
Centre	● d5 (1v0), ● e5 (2v1)	● d4 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bf1	● Bf1 Non développé (mob. 5)
Bc8		● Bc8 Non développé (mob. 0)
Bf8		● Bf8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	5 (● b1, ● c1, ● f1, ● a1, ● h1)	5 (● 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	mobile
Ruptures	● d2-d4, ● f4-f5	● …d7-d5, ● …e7-e5, ● …f7-f5

B21h — Sicilian: Grand Prix, 2…Nc6 3.Nf3 g6

1.e4 c5 2.f4 Nc6 3.Nf3 g6 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Bb5 (Clouer c6, Fou actif (mobilité 7), Développer f1 — 42 % des parties) ; Nc3 (Développer b1 — 18 % des parties) ; Bc4 (Fou actif (mobilité 9), Développer f1 — 11 % des parties) ; c3 (Renforcer le centre — 8 % des parties) ; d3 (Libérer Bf1, préparer Bd3 — 6 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Bg7 (Fianchetto, fou sur la grande diagonale — 81 % des parties) ; ...d5 (Occuper le centre — 5 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1955 Novi Sad – Round 16 – Puc, Stojan – 0-1 – Rabar, Braslav – G119 1. e4 c5 2. f4 Nc6 3. Nf3 g6 4. c3 d5 5. e5 Bg4 6. h3 Bxf3 7. Qxf3 e6 8. g3 Bg7 9. Bg2 f6 10. exf6 Nxf6
1960 Clare Benedict Cup 07th – Round 3 – Albareda, Miguel – 0-1 – Lokvenc, Josef – G19 1. e4 c5 2. f4 Nc6 3. Nf3 g6 4. g3 Bg7 5. Bg2 e6 6. d3 Nge7 7. O-O O-O 8. c3 d5 9. e5 b6 10. Na3 Ba6
1964 Amsterdam Interzonal – Round 11 – Larsen, Benjamin Holsko – 1/2-1/2 – Evans Lianda – G9 1. e4 c5 2. f4 Nc6 3. Nf3 g6 4. Bb5 Bg7 5. O-O Nf6 6. Bxc6 bxc6 7. Qe2 O-O 8. d3 d6 9. Nc3 Rb8 10. Rb1 Ne8
1964 Amsterdam Interzonal – Round 11 – Larsen, Bent – 1/2-1/2 – Evans, Larry M – G107 1. e4 c5 2. f4 Nc6 3. Nf3 g6 4. Bb5 Bg7 5. O-O Nf6 6. Bxc6 bxc6 7. Qe2 O-O 8. d3 d6 9. Nc3 Rb8 10. Rb1 Ne8
1964 EU Team Ch sf – Round 2.7 – Radovici, Corvin – 1/2-1/2 – Baumbach, Friedrich, Dr. – G28 1. e4 c5 2. f4 Nc6 3. Nf3 g6 4. Bb5 Bg7 5. Bxc6 dxc6 6. d3 Bg4 7. h3 Bxf3 8. Qxf3 e6 9. O-O f5 10. Nd2 Ne7
1964 Moscow Ch – Round ? – Kolobov, Yury – 0-1 – Estrin, Yakov – G49 1. e4 c5 2. f4 Nc6 3. Nf3 g6 4. g3 Bg7 5. Bg2 d6 6. O-O Nh6 7. c3 O-O 8. Na3 Rb8 9. Nc2 b5 10. h3 f5
1964 Moscow Ch – Round ? – Orlov, Vsevolod – 1/2-1/2 – Shamkovich, Leonid – G46 1. e4 c5 2. f4 Nc6 3. Nf3 g6 4. g3 Bg7 5. Bg2 d6 6. O-O Nh6 7. c3 O-O 8. Na3 f5 9. d3 Kh8 10. Qe2 e6
1965 Aalborg – Round 1 – From, Sigfred – 1/2-1/2 – Hansen, Victor – G32 1. e4 c5 2. f4 Nc6 3. Nf3 g6 4. Bb5 Bg7 5. O-O e6 6. d3 Nge7 7. c3 O-O 8. Be3 b6 9. Nbd2 d5 10. Qc2 dxe4
1966 La Habana olm fin-A – Round 10 – Zinn, Lothar – 1-0 – Sigurjonsson, Gudmundur – G25 1. e4 c5 2. f4 Nc6 3. Nf3 g6 4. Bb5 Bg7 5. O-O d6 6. Nc3 Bd7 7. d3 Nf6 8. Bxc6 Bxc6 9. Qe1 e6 10. f5 gxf5
1966 Moscow – Round 1 – Beilin, Mikhail – 1-0 – Zaitsev, Igor A – G25 1. e4 g6 2. f4 c5 3. Nf3 Nc6 4. Bc4 Bg7 5. O-O e6 6. Qe2 Nge7 7. a3 d5 8. Ba2 dxe4 9. Qxe4 O-O 10. c3 b6
1967 Halle zt – Round 16 – Zinn, Lothar – 0-1 – Weiman Hort, Valentin – G78 1. e4 c5 2. f4 Nc6 3. Nf3 g6 4. Bb5 Bg7 5. O-O Nd4 6. Nxd4 cxd4 7. d3 e6 8. f5 gxf5 9. exf5 Nf6 10. Bg5 O-O
1967 Maribor – Round 15 – Zinn, M. – 1-0 – Pirc, Vasja – G83 1. e4 c5 2. f4 Nc6 3. Nf3 g6 4. Bb5 Bg7 5. O-O d6 6. d3 Bd7 7. Nc3 e6 8. Be3 Nf6 9. Kh1 O-O 10. Bxc6 Bxc6
1967 Sofia tt – Round 2 – Minev, Nikolay N – 1/2-1/2 – Ungureanu, Emil – G19 1. e4 c5 2. f4 Nc6 3. Nf3 g6 4. Bb5 Bg7 5. O-O Qb6 6. Bxc6 bxc6 7. Nc3 d6 8. d3 Nh6 9. Na4 Qa6 10. c4 Rb8
1968 Brno m1 – Round ? – Kalendovsky, Jan – 1-0 – Zavodny, Zdenek – G11 1. e4 c5 2. f4 Nc6 3. Nf3 g6 4. c3 Bg7 5. d4 cxd4 6. cxd4 d5 7. e5 Bf5 8. Bd3 Bxd3 9. Qxd3 e6 10. O-O Nh6
1969 Capablanca Memorial – Round 7 – Drimer, Dolfi – 1-0 – Haro Garcia, Gilberto – G56 1. e4 c5 2. f4 Nc6 3. Nf3 g6 4. Nc3 Bg7 5. d3 d6 6. Be2 e6 7. O-O Nge7 8. Be3 O-O 9. d4 cxd4 10. Nxd4 Nxd4
1969 Raach zt – Round 16 – Sigurjonsson, Gudmundur – 1/2-1/2 – Drimer, Dolfi – G137 1. e4 c5 2. f4 Nc6 3. Nf3 g6 4. Bb5 Bg7 5. O-O Nf6 6. Nc3 O-O 7. Bxc6 bxc6 8. d3 d5 9. e5 Nd7 10. Qe2 Nb6
1969 San Juan – Round 8 – Bisguier, Arthur B – 1/2-1/2 – Damjanovic, Mato – G53 1. e4 c5 2. f4 Nc6 3. Nf3 g6 4. Bb5 Bg7 5. O-O Nf6 6. Nc3 O-O 7. e5 Ne8 8. Bxc6 dxc6 9. Ne4 b6 10. d3 f6
1972 Skopje ol (Men) fin-A – Round 12 – Hase, Juan Carlos – 0-1 – Csom, Istvan – G198 1. e4 c5 2. f4 Nc6 3. Nf3 g6 4. Bb5 Bg7 5. Bxc6 dxc6 6. O-O Nf6 7. Nc3 O-O 8. d3 Ne8 9. Be3 b6 10. a4 Nc7
SportAccord Blitz Men 2012 – Round 2.1 – Ivanchuk, Vasyl – 1/2-1/2 – Leko, Peter – G9 1. f4 c5 2. Nf3 Nc6 3. e4 g6 4. Bb5 Qb6 5. a4 Bg7 6. O-O Nf6 7. d3 c4+ 8. Kh1 cxd3 9. Bxd3 d6 10. Nc3 O-O
World Blitz 2017 – Round 4.60 – Alanazy, Mohammed – 0-1 – Sethuraman, S.P. – G226 1. e4 c5 2. f4 Nc6 3. Nf3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. c3 d6 7. Be2 Nf6 8. Bf3 O-O 9. O-O Bd7 10. Kh1 Rc8

B21h — Grand Prix (1955)

1.e4 c5 2.f4 Nc6 3.Nf3 g6

Les coups candidats

4.Bb5 — 37.4% (1040 parties)

Ambassadeurs : Vojta, Tomas (12x), Day, Lawrence A. (11x), Bisguier, Arthur B (10x), Villing, Dieter (9x), Langner, Ladislav (9x), West, Guy (8x), Sveshnikov, Evgeny (8x), Hebden, Mark L (6x)

4.Nc3 — 16.7% (465 parties)

Ambassadeurs : Cernov, Vadim (9x), Van Daatselaar, Jan Bart (4x), Goessling, Guido (3x), Weisenburger, Thomas (3x), Villing, Dieter (3x), Vojta, Tomas (3x), Sanz Perez, Eduardo (3x), Rogozenco, Dorian (2x)

4.Bc4 — 14.3% (396 parties)

Ambassadeurs : Krol, Wladyslaw (10x), Król, Wladyslaw (4x), Thomas, Thiemo (2x), Moore, Michael (2x), Gonzalez Alejo, Wily Gilberto (2x), Morales Garcia, Hugo (1x), Boudy Bueno, Julio Leonardo (1x), Karpilowsky (1x)

4.c3 — 12.0% (334 parties)

Ambassadeurs : Maglia, Pavel (4x), Chouinard, Etienne (4x), Andersen, Harry (3x), Sveshnikov, Evgeny (3x), Korning, Peter (2x), Zdravkovic, Dragan N (2x), Radibratovic, Predrag (2x), White, Abraham (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	4.Bb5	4.Nc3	4.Bc4	4.c3
<1800	219	30%	17%	22%	13%
1800-2200	1348	33%	17%	15%	16%
2200-2600	650	52%	14%	7%	6%
2600+	1	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	4.Bb5	4.Nc3	4.Bc4	4.c3
1950s	7	—	14%	14%	29%
1960s	41	51%	7%	5%	5%
1970s	82	54%	17%	4%	6%
1980s	213	43%	23%	10%	6%
1990s	628	39%	18%	13%	10%
2000s	938	36%	16%	17%	13%
2010s	752	34%	15%	16%	15%
2020s	117	40%	15%	9%	13%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
4.Bb5	34%	40%	▲ +5.9%
4.Nc3	15%	15%	-0.0%
4.Bc4	16%	9%	▼ -6.6%
4.c3	15%	13%	▼ -1.9%

Joueurs célèbres

Champions du monde dans cette position

Kramnik, Vladimir — 2 parties
Botvinnik, Mikhail — 1 partie
Gukesh D — 1 partie

Parties historiques

4.Bb5 — 37.4% (1040 parties)

1961 — Botvinnik, Mikhail vs Furman, Semyon — 1-0 — Moscow RUS
1964 — Larsen, Bent vs Evans, Larry — 1/2-1/2 — ?
1964 — Radovici, Corvin vs Baumbach, Friedrich, Dr. — 1/2-1/2 — Sinaia
1965 — Caro, Rafael vs Anoshin, Gennadi N — 0-1 — Sinaia
1965 — Ciocaltea, Victor vs Partos, Charles — 1-0 — Bucharest ROU

4.Nc3 — 16.7% (465 parties)

1959 — Weise, Dieter vs Mohrlok, Dieter — 1-0 — Nuerenberg GER
1962 — Shofman, Mikhail vs Smyslov, Vasily — 0-1 — Leningrad SU chT
1965 — Zinn, Lothar vs Ghitescu, Theodor — 1/2-1/2 — Zinnowitz GER
1969 — Drimer, Dolfi vs Garcia Lopez, Juan Gilberto — 1-0 — Havana CUB
1970 — Asvestopoulos, Th vs Alexandrakis, Vasilios — 1-0 — Athens GRE

4.Bc4 — 14.3% (396 parties)

1953 — Karpilowsky vs Wyman, Callum — 1-0 — Hollywood, CA
1966 — Beilin, Mikhail vs Zaitsev, Igor A — 1-0 — Moscow RUS
1968 — Morales Garcia, Hugo vs Boudy Bueno, Julio Leonardo — 0-1 — Santa Clara CUB
1974 — Devereaux, J-P vs Zalys, Ignas — 0-1 — Montreal CAN
1978 — Cyprian, Marian vs Pecner, Dusan — 0-1 — Kubin op

4.c3 — 12.0% (334 parties)

1954 — Kakabadze, Eliso vs Ivashina, Kristina — 0-1 — ?
1955 — Puc, Stojan vs Rabar, Braslav — 0-1 — Novi Sad SRB
1964 — Miezis, Normunds vs Zahidov, Igor — 0-1 — ?
1968 — Kalendovsky, Jan vs Zavodny, Zdenek — 1-0 — Brno CZE
1970 — Jones, Iolo C vs Moe, Mogens — 0-1 — Siegen olm

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