Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● b7→a6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	● b4 (2v0), ● d4 (2v1)
Cases faibles	—	—
Centre	—	● d4 (2v1), ● e4 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Ba4	● Ba4 Ok (mob. 3)
Be7		● Be7 Actif (mob. 5)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	3 (● b1, ● c1, ● a1)	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	fermé
Ruptures	● d2-d4	● …d7-d5

C84a — Spanish: Closed System

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Re1 (82 % des parties) ; Bxc6 (Clouer d7, Fou actif (mobilité 5) — 8 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...b5 (Expansion aile dame — 86 % des parties) ; ...d6 (Libérer Bc8 — 3 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1906 Gyor – Round 6 – Farago, Odon – 1/2-1/2 – Brody, Miklos – G5 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. c3 O-O 7. d4 b5 8. Bc2 d6 9. dxe5 dxe5 10. Bg5 Bg4
1912 Temesvary – Round 15 – Havasi, Kornel – 0-1 – Steiner, Bruno – G62 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. c3 Nxe4 7. Re1 Nc5 8. Bxc6 dxc6 9. Nxe5 O-O 10. d4 Ne6
1923 DSB-23.Kongress – Round 2 – Wegemund, Hubert – 1/2-1/2 – Becker, Albert – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. c3 Nxe4 7. Qe2 Nf6 8. Bxc6 dxc6 9. Nxe5 O-O 10. d4 c5
1923 Trieste – Round 1 – Marotti, Davide – 0-1 – Asztalos, Lajos – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. c3 b5 7. Bc2 O-O 8. d4 d6 9. Be3 Bb7 10. d5 Na5
1925 Leningrad – Round 1 – Nadporoshky, K. – 0-1 – Botvinnik, Mikhail – G15 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. c3 Nxe4 7. Qe2 Nc5 8. Bxc6 dxc6 9. Nxe5 O-O 10. d4 Nd7
1927 Kecskemet f I – Round 1 – Gilg, Karl – 1/2-1/2 – Asztalos, Lajos – G3 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. c3 Nxe4 7. Re1 Nc5 8. Bxc6 dxc6 9. Nxe5 O-O 10. d4 Ne6
1930 Swinemuende – Round 6 – Richter, Kurt – 0-1 – Rellstab, Ludwig – G24 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. c4 Nxe4 7. Re1 Nc5 8. Bc2 d6 9. d4 exd4 10. Nxd4 Nxd4
1931 Prague ol Prague CZE – Round 15 – Sanz Aguado, Jose – 0-1 – Koenig, Imre – G54 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. c3 Nxe4 7. Re1 Nc5 8. Bxc6 dxc6 9. Nxe5 O-O 10. d4 Nd7
1932 Berlin GER – Round 7 – Gumprich, Kurt – 1/2-1/2 – Ahues, Carl – G13 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. c3 b5 7. Bb3 Nxe4 8. Qe2 Nf6 9. Nxe5 Nxe5 10. Qxe5 O-O
1932 Bern – Round 4 – Grob, Henry – 1-0 – Johner, Paul – G43 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. c3 Nxe4 7. Re1 Nf6 8. Nxe5 Nxe5 9. Rxe5 O-O 10. d4 d5
1936 Nottingham – Round 13 – Thomas, George Alan – 0-1 – Reshevsky, Samuel – G93 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. c3 Nxe4 7. Qe2 Nc5 8. Bxc6 dxc6 9. Nxe5 O-O 10. d4 Nd7
1950 Corr Wch1 – Round 1 – ADAM ELAMAIREH – 0-1 – Barda, Olaf – G20 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. c4 d6 7. d4 O-O 8. Nc3 exd4 9. Nxd4 Ne5 10. Qe2 c6
1956 CSR Ch sf – Round 12 – Urbanec, Karel – 1-0 – Dobias, Josef – G35 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. c3 b5 7. Bc2 d6 8. h3 Bb7 9. Qe2 O-O 10. a4 Re8
1957 Rio de Janeiro zt – Round 1 – Cantero, Ronaldo – 1/2-1/2 – Sanguineti, Raúl Carlos – G69 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. c3 Nxe4 7. Re1 Nf6 8. Nxe5 Nxe5 9. Rxe5 O-O 10. d4 d6

C84a — Closed (1906)

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7

Les coups candidats

6.Re1 — 85.5% (129503 parties) →

Ambassadeurs : ? (432x), Romanishin, Oleg M (283x), Geller, Efim P. (273x), Ivkov, Borislav (234x), Beliavsky, Alexander G (222x), Zielinski, Sergej (215x), Tal, Mikhail (212x), Matanovic, Aleksandar (192x)

6.d3 — 6.0% (9133 parties) →

Ambassadeurs : Svidler, Peter (56x), Carlsen, Magnus (56x), Vachier-Lagrave, Maxime (44x), Aronian, Levon (43x), Adams, Michael (41x), Fressinet, Laurent (41x), Cumming, David R (40x), Karjakin, Sergey (37x)

6.Bxc6 — 4.2% (6355 parties) →

Ambassadeurs : Kholmov, Ratmir D (41x), Damjanovic, Mato (30x), Hecht, Hans-Joachim (25x), Hebden, Mark L (25x), Plachetka, Jan (22x), Wedberg, Tom (22x), Geller, Efim P. (17x), Lukacs, Peter (16x)

6.Qe2 — 2.1% (3180 parties) →

Ambassadeurs : Tiviakov, Sergei (30x), Da Silva Filho, Alcindo Luz Bastos (26x), Estrada Nieto, Julian (16x), Marjanovic, Slavoljub (14x), Blatny, Frantisek (14x), Kaminski, Marcin (13x), Limbos, Paul (12x), Chorfi, Khaled (12x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6.Re1	6.d3	6.Bxc6	6.Qe2
<1800	7216	87%	5%	3%	2%
1800-2200	49595	88%	5%	3%	2%
2200-2600	63723	85%	8%	5%	2%
2600+	5685	76%	20%	3%	1%

Évolution par décennie (% des parties)

Décennie	N parties	6.Re1	6.d3	6.Bxc6	6.Qe2
1950s	2437	72%	3%	8%	10%
1960s	5180	80%	1%	8%	5%
1970s	5110	85%	1%	8%	3%
1980s	8339	88%	0%	7%	2%
1990s	17633	85%	1%	7%	4%
2000s	35863	90%	2%	3%	2%
2010s	58135	86%	8%	3%	1%
2020s	18766	78%	16%	4%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6.Re1	86%	78%	▼ -7.4%
6.d3	8%	16%	▲ +8.0%
6.Bxc6	3%	4%	▲ +0.7%
6.Qe2	1%	1%	▼ -0.8%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 10 parties
Karpov, Anatoly — 10 parties
Botvinnik, Mikhail — 10 parties
Smyslov, Vladimir — 10 parties
Anand, Viswanathan — 10 parties
Kasparov, Garry — 10 parties
Kramnik, Vladimir — 10 parties
Carlsen, Magnus — 10 parties
Hou, Yifan — 10 parties
Ding, Liren — 10 parties
Gukesh D — 10 parties
Karpov, Aleksandr — 7 parties
Ju, Wenjun — 6 parties
Smyslov, Vassily — 3 parties
Lasker, Emanuel — 1 partie
Fischer, Robert James — 1 partie

Parties historiques

6.Re1 — 85.5% (129503 parties)

1950 — Hess, Ralf E. vs Burghold, C. — 1/2-1/2 — Lucerne SUI
1950 — Mangini, Jose Henrique de Mello vs De Souza Mendes, Joao — 1-0 — Rio de Janeiro BRA
1950 — Bronstein, David I vs Keres, Paul — 1-0 — Budapest HUN
1950 — Konstantinopolsky, Alexander vs Borisenko, Georgy K — 1/2-1/2 — Moskou ch-URS
1950 — Petrosian, Tigran V. vs Zagoriansky, Evgeny — 1/2-1/2 — Moscow ch

6.d3 — 6.0% (9133 parties)

1950 — Bogoljubow, Efim vs Schifferdecker, Wilhelm — 1-0 — FRG-ch Bad Pyrmont GER
1950 — Lublinsky, V vs Keres, Paul Petrovich — 0-1 — USSR-ch18 Moscow
1950 — Greenfeld, Alon vs Averbakh, Yuri L — 0-1 — It, Schiavno Zdroj POL
1950 — Liublinsky, Victor vs Keres, Paul — 0-1 — Moscow RUS
1950 — Bogoljubow, Efim vs Schmidt, Paul — 1-0 — Bad Pyrmont GER

6.Bxc6 — 4.2% (6355 parties)

1950 — Liublinsky, Victor vs Abramovich Furman, Semyon — 0-1 — URS-ch sf Gorky
1950 — Taimanov, Mark vs Pogats, Jozsef Jr. — 1-0 — Schiavno Zdroj
1950 — Trifunovic, Petar vs Rossolimo, Nicolas — 1/2-1/2 — Amsterdam NED
1950 — Haggai Mawejje Israel vs Brown, Earl V — 0-1 — England
1950 — Taimanov, Mark vs Averbakh, Yuri L — 1/2-1/2 — Schiavno Zdroj

6.Qe2 — 2.1% (3180 parties)

1950 — Hess, Ralf E. vs Morel, Fernand — 1/2-1/2 — Lucerne SUI
1950 — Spirin, N vs Novotelnov, Nikolai — 0-1 — URS
1950 — Pachman, Ludek vs Rossolimo, Nicolas — 1/2-1/2 — Venice ITA
1950 — Keres, Paul Petrovich vs Pogats, Jozsef Jr. — 1-0 — It Schiavno Zdroj
1950 — Keres, Paul vs Pogats, Jozsef Jr. — 1-0 — Schiavno Zdroj

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