Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→c3	● a6→b5
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (3v1), ● g5 (2v1)	● c4 (2v0)
Cases faibles	● e4	● e5
Centre	● d4 (3v1), ● e5 (2v1)	—

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● e

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bc2	● Bc2 Actif (mob. 7)
Bg4		● Bg4 Actif (mob. 7)
Bf8		● Bf8 Non développé (mob. 2)
Paire de fous	● Oui	● Oui
Non développées	3 (● b1, ● c1, ● a1)	3 (● f8, ● 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	mobile
Ruptures	● c3-c4, ● e5-e6	● …d5-d4, ● …f7-f6

C82d — Spanish: Open, Berlin, 10.Bc2 Bg4 11.Re1

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.c3 Nc5 10.Bc2 Bg4 11.Re1 * ● Trait aux Noirs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Nbd2 (Développer b1 — 55 % des parties) ; h3 (Empêcher ...Bg4 — 23 % des parties) ; Be3 (Fou actif (mobilité 7), Développer c1 — 9 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Be7 (Fou actif (mobilité 5), Développer f8 — 71 % des parties) ; ...Qd7 (Prépare O-O-O — 14 % des parties) ; ...d4 (Occuper le centre — 12 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1910 DSB-17.Kongress – Round 12 – Speijer, Abraham – 0-1 – Köhnlein, Friedrich – G78 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Nc5 10. Bc2 Bg4
1919 It (Men) Utrecht NED – Round 4 – Selezniev, Alexey – 1/2-1/2 – Bogoljubow, Efim – G7 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Nc5 10. Bc2 Bg4
1947 Berlin GER – Round 5 – Lehmann, Heinz – 0-1 – Teschner, Rudolf – G4 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Nc5 10. Bc2 Bg4
1947 Leningrad ch-URS – Round 13 – Bronstein, David I – 1/2-1/2 – Alatortsev, Vladimir N. – G128 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Nc5 10. Bc2 Bg4
1947 Leningrad ch-URS – Round 16 – Levenfish, Grigory – 1-0 – Alatortsev, Vladimir N. – G150 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Nc5 10. Bc2 Bg4
1947 Parnu – Round 1 – Simagin, Vladimir – 1-0 – Makogonov, Vladimir – G53 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Nc5 10. Bc2 Bg4
1947 URS-ch15 – Round 13 – Ragozin, Viacheslav – 1/2-1/2 – Makogonov, Vladimir – G10 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Nc5 10. Bc2 Bg4
1951 San Rafael – Round ? – Eliskases, Erich – 1/2-1/2 – German, Eugenio – G47 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Nc5 10. Bc2 Bg4
1952 Helsinki olm – Round 1 – Bhaskar Jyoti Koch – 0-1 – German, Eugenio – G160 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Nc5 10. Bc2 Bg4
1952 Rio de Janeiro – Round 8 – Mangini, Jose Henrique de Mello – 1-0 – German, Eugenio – G46 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Nc5 10. Bc2 Bg4
1956 URS Ch sf – Round ? – Suetin, Alexey S – 0-1 – Klavins, Janis – G100 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Nc5 10. Bc2 Bg4
1957 FRG Ch Bad Neuenahr – Round 11 – Behle, Karl-Willi – 0-1 – Lehmann, Heinz – G33 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Nc5 10. Bc2 Bg4
1961 Oberhausen etc – Round 1 – Matanovic, Aleksandar – 1/2-1/2 – Teschner, Rudolf – G45 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Nc5 10. Bc2 Bg4
1964 Tel Aviv olm fin-B – Round 7 – Liebert, Heinz – 0-1 – Ujtumen, Tudev – G86 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 a6 6. Ba4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Nc5 10. Bc2 Bg4
1964 WchT U26 11. fin-A – Round 3.2 – Kovacs, Laszlo M – 1/2-1/2 – Tsagan, T – G48 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Nc5 10. Bc2 Bg4
1965 Chigorin Memorial – Round 5 – Ciric, Aleksandar – 1/2-1/2 – Ujtumen, Tudev – G22 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Nc5 10. Bc2 Bg4
1967 Vrnjacka Banja zt – Round 16 – Watzka, Horst – 1/2-1/2 – Zuidema, Coen – G115 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Nc5 10. Bc2 Bg4
1968 USSR – Round 1 – Gutkin, Boris – 1-0 – Klavins, Janis – G50 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Nc5 10. Bc2 Bg4
1969 ISL Ch Reykjavik ISL – Round 4 – Olafsson, Fridrik – 1-0 – Jonsson, Johann Thorir – G4 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Nc5 10. Bc2 Bg4

C82d — Open, Berlin (1910)

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Nxe4 6.d4 b5 7.Bb3 d5 8.dxe5 Be6 9.c3 Nc5 10.Bc2 Bg4 11.Re1

Les coups candidats

11…Be7 — 72.9% (156 parties)

Ambassadeurs : Korchnoi, Viktor (5x), Zhukov, Sergey (4x), Grivas, Efstratios (3x), Radashkovich, Itchak (3x), Kroener, Otto (3x), Jaluvka, Josef (3x), Hatlebakk, Einar (2x), Karpov, Anatoly (2x)

11…Qd7 — 16.4% (35 parties)

Ambassadeurs : Lilienthal, Siegfried (2x), Ujtumen, Tudev (2x), Sorokin, Maxim (2x), Zavadil, Michal (2x), Stieg, Hans-Juergen (1x), Liebert, Heinz (1x), Gebuhr, Guenter (1x), Domnitz, Zadok (1x)

11…d4 — 6.1% (13 parties)

Ambassadeurs : German, Eugenio (3x), Lehmann, Heinz (2x), Klavins, Janis (2x), Matanovic, Aleksandar (1x), Teschner, Rudolf (1x), Wallace, John Paul (1x), Godbold, E. (1x), Laurencena, Jorge Horacio (1x)

11…Ne6 — 4.7% (10 parties)

Ambassadeurs : Gruenfeld, Yehuda (2x), Pliester, Leon (2x), Olafsson, Fridrik (1x), Jonsson, Johann Thorir (1x), Panchanathan, Magesh Chandran (1x), Ermeni, Avni (1x), Wan, Yunguo (1x), Mehdi Hasan Parag (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	11…Be7	11…Qd7	11…d4	11…Ne6
<1800	6	83%	17%	—	—
1800-2200	42	71%	17%	5%	7%
2200-2600	79	66%	27%	1%	6%
2600+	5	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	11…Be7	11…Qd7	11…d4	11…Ne6
1950s	11	9%	9%	82%	—
1960s	16	38%	31%	25%	6%
1970s	31	87%	13%	—	—
1980s	45	87%	9%	—	4%
1990s	39	85%	15%	—	—
2000s	49	73%	20%	—	6%
2010s	20	60%	20%	—	20%
2020s	3	67%	33%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
11…Be7	60%	67%	▲ +6.7%
11…Qd7	20%	33%	▲ +13.3%
11…d4	0%	0%	+0.0%
11…Ne6	20%	0%	▼ -20.0%

Joueurs célèbres

Champions du monde dans cette position

Karpov, Anatoly — 2 parties
Tal, Mikhail — 1 partie

Parties historiques

11…Be7 — 72.9% (156 parties)

1956 — Rossolimo, Nicolas vs Bartis, Gustavo — 0-1 — Buenos Aires ARG
1960 — Boehringer, W. vs Teipelke, H. — 1-0 — corr FSM
1964 — Kovacs, Laszlo vs Tsagan, T — 1/2-1/2 — ?
1968 — Achcar, Nelson vs Hatlebakk, Einar — 0-1 — Ybbs
1968 — Paulakos, K. vs Hatlebakk, Einar — 0-1 — Ybbs

11…Qd7 — 16.4% (35 parties)

1955 — Skrovina, Milan vs Sefc, Jan — 0-1 — Czechoslovakia
1964 — Liebert, Heinz vs Ujtumen, Tudev — 0-1 — Tel Aviv olm
1965 — Ciric, Aleksandar vs Uitumen — 1/2-1/2 — Sochi RUS
1968 — Domnitz, Zadok vs Radashkovich, Itchak — 1-0 — Israel ch-ISR
1969 — Stieg, Hans-Juergen vs Lilienthal, Siegfried — 1-0 — DDR-ch5 corr6971

11…d4 — 6.1% (13 parties)

1950 — Laurencena, Jorge Horacio vs Steinberg, Alexander — 0-1 — Argentina
1951 — Eliskases, Erich vs German, Eugenio — 1/2-1/2 — San Rafael
1952 — Koch, Berthold vs German, Eugenio — 0-1 — Helsinki olm
1952 — Mangini, Jose Henrique de Mello vs German, Eugenio — 1-0 — Rio de Janeiro BRA
1953 — Geiger, Hans vs Stoeckl, Ernst — 1-0 — Vienna AUT

11…Ne6 — 4.7% (10 parties)

1969 — Olafsson, Fridrik vs Jonsson, Johann Thorir — 1-0 — ISL-ch Reykjavik ISL
1982 — Gruenfeld, Yehuda vs Pliester, Leon — 1-0 — Amsterdam NED
1982 — Gruenfeld, Yehuda vs Pliester, Leon — 1-0 — Amsterdam NED
2004 — Panchanathan, Magesh Chandran vs Ermeni, Avni — 1-0 — Biel SUI
2007 — Rjabzev, Konstantin vs Kabarukhin, Andrey — 1/2-1/2 — Volgodonsk

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