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 semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte d4, case forte e5, case forte g5, Bc2 actif, paire de fous, colonne d.
Faiblesses adverses : arriéré c7, Bf8 enfermé, roi noir au centre.
Problèmes : Bc1 enfermé, 3 pièces non développées (B1, C1, A1).
Plans :
● Nc3 — Développer Nb1
● Be3 — Développer Bc1
● h3 — Empêcher ...Bg4
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte c4, Bg4 actif, paire de fous, colonne e.
Faiblesses adverses : Bc1 enfermé.
Problèmes : roi au centre, Bf8 enfermé, arriéré c7, 3 pièces non développées (F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Be7 — Développer Bf8
● ...Bg4 — Clouer Nf3
● ...d4 — Rupture
● ...f6 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

C82d — Open Berlin

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

Eval: [+0.66]

Les coups candidats

11…Be7 — 68.9% (157 parties)

Ambassadeurs : Korchnoi, Viktor (5x), Radashkovich, Itchak (4x), Zhukov, Sergey (4x), Torre, Eugenio (4x), Agzamov, Georgy (3x), Grivas, Efstratios (3x), Kroener, Otto (3x), Jaluvka, Josef (3x)

11…Qd7 — 16.2% (37 parties)

Ambassadeurs : Ujtumen, Tudev (3x), Lilienthal, Siegfried (2x), Polgar, Sandor (2x), Levenfish, Grigory (1x), Alatortsev, Vladimir N. (1x), Mross, Paul (1x), Rohacek, Ivan (1x), Gebuhr, Guenter (1x)

11…d4 — 8.3% (19 parties)

Ambassadeurs : Lehmann, Heinz (3x), German, Eugenio (3x), Teschner, Rudolf (2x), Klavins, Janis (2x), Alster, Ladislav (1x), Kucera, Jan (1x), Abrego Baker, Abdiel Hotir (1x), Sergeant, William (1x)

11…Ne6 — 6.1% (14 parties)

Ambassadeurs : Alatortsev, Vladimir N. (2x), Gruenfeld, Yehuda (2x), Pliester, Leon (2x), Ragozin, Viacheslav (1x), Makogonov, Vladimir (1x), Ragozin, Victor (1x), Makagonov, V. (1x), Bronstein, Anna (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	67%	—	33%	—
1800-2200	30	70%	23%	3%	3%
2200-2600	79	65%	25%	1%	9%
2600+	5	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	11…Be7	11…Qd7	11…d4	11…Ne6
1910s	5	40%	—	60%	—
1930s	1	100%	—	—	—
1940s	10	—	20%	30%	40%
1950s	11	9%	9%	82%	—
1960s	16	38%	31%	25%	6%
1970s	31	87%	13%	—	—
1980s	45	87%	9%	—	4%
1990s	38	84%	16%	—	—
2000s	49	73%	20%	—	6%
2010s	20	60%	20%	—	20%
2020s	2	50%	50%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
11…Be7	60%	50%	▼ -10.0%
11…Qd7	20%	50%	▲ +30.0%
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 — 68.9% (157 parties)

1910 — Speijer, Abraham vs Köhnlein, Friedrich — 0-1 — Hamburg GER
1919 — Selezniev, Alexey vs Bogoljubow, Efim — 1/2-1/2 — Berlin GER
1936 — Geshev G vs Gilfer, Eggert — 1/2-1/2 — Munich GER
1956 — Rossolimo, Nicolas vs Bartis, Gustavo — 0-1 — Buenos Aires ARG
1960 — Boehringer, W. vs Teipelke, H. — 1-0 — corr FSM

11…Qd7 — 16.2% (37 parties)

1941 — Mross, Paul vs Rohacek, Ivan — 1-0 — Munich GER
1947 — Levenfish, Grigory vs Alatortsev, Vladimir N. — 1-0 — Leningrad ch-URS
1955 — Skrovina, Milan vs Sefc, Jan — 0-1 — Stary Smokovec SVK
1964 — Liebert, Heinz vs Ujtumen, Tudev — 0-1 — Tel Aviv ISR
1965 — Ciric, Aleksandar vs Ujtumen, Tudev — 1/2-1/2 — Sochi RUS

11…d4 — 8.3% (19 parties)

1914 — Abrego Baker, Abdiel Hotir vs Sergeant, William — 0-1 — cr.
1915 — Chapman, Alan D vs Griffith De Leon, Meidelys Danielle — 1/2-1/2 — cr.
1916 — Bombardo Schroder, Liam vs Perkins, Frank Kendall — 1-0 — Brooklyn
1944 — Alster, Ladislav vs Kucera, Jan — 1-0 — Brno ch CZE B
1947 — Lehmann, Heinz vs Teschner, Rudolf — 0-1 — Berlin GER

11…Ne6 — 6.1% (14 parties)

1947 — Ragozin, Viacheslav vs Makogonov, Vladimir — 1/2-1/2 — Leningrad RUS
1947 — Ragozin, Victor vs Makagonov, V. — 1/2-1/2 — Leningrad ch-URS
1947 — Bronstein, Anna vs Alatortsev, Vladimir N. — 1/2-1/2 — Leningrad ch SU
1947 — Bronstein, David I vs Alatortsev, Vladimir N. — 1/2-1/2 — Leningrad ch-URS
1969 — Olafsson, Fridrik vs Jonsson, Johann Thorir — 1-0 — ISL-ch Reykjavik ISL

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	● c7
Chaînes	● b2→c3	● a6→b5
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (3v1), ● e5 (2v1), ● g5 (2v1)	● c4 (2v0)
Cases faibles	● e4	—
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	semi-ouvert
Ruptures	● c3-c4	● …d5-d4, ● …f7-f6, ● …f7-f5

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

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