C67q — Spanish: Open Berlin, 5.d4 Nd6 6.Bxc6 dxc6 7.dxe5 Nf5

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Nxe4 5.d4 Nd6 6.Bxc6 dxc6 7.dxe5 Nf5 * ○ Trait aux Blancs

Ouverture — Centre asymétrique

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité centre (1v0), case forte g5.
Faiblesses adverses : Bc8 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : Bc1 enfermé, 3 pièces non développées (B1, C1, A1).
Plans :
● Nbd2 — 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 : majorité aile_dame (4v3), case forte d5, paire de fous, colonne e.
Faiblesses adverses : Bc1 enfermé.
Problèmes : roi au centre, Bc8 enfermé, Bf8 enfermé, 4 pièces non développées (C8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Bg4 — Développer Bc8, clouer Nf3
● ...Be7 — Développer Bf8
● ...c5 — Rupture
● ...f6 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

C67q — Open Berlin

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O Nxe4 5.d4 Nd6 6.Bxc6 dxc6 7.dxe5 Nf5

Eval: [+0.18]

Les coups candidats

8.Qxd8+ — 97.3% (14971 parties) →

Ambassadeurs : Popov, Vladimir Valentinovich (106x), Morcin, Tom (91x), Herzog, Klaus (87x), Vachier-Lagrave, Maxime (75x), Almasi, Zoltan (68x), Aleksandrov Ivanchev, Aleksandar (68x), Naiditsch, Arkadij (66x), Shirov, Alexei (60x)

8.Qe2 — 2.0% (303 parties)

Ambassadeurs : Broniek, Mariusz Maciej (8x), Kruse, Herbert (5x), Juárez de Vena, Antonio (5x), Pranizin, Gennady (3x), Barbaric, Vuk-Tadija (3x), Lazhevskaya, Zhanni (3x), Riemann, Fritz (2x), Minev, Nikolay N (2x)

8.Nc3 — 0.4% (62 parties)

Ambassadeurs : Jacobs, Rudolf (3x), Willow, Max (2x), Gamarra Caceres, Carlos (1x), Gouveia, Carlos Eduardo (1x), Pietrocola, Roberto (1x), Pukropski, Goetz (1x), Webersberger, Johann (1x), Schoene, Ralf (1x)

8.Nbd2 — 0.1% (16 parties)

Ambassadeurs : Vrana, Lubomír (4x), Poutiainen, Pertti (1x), Book, Eero (1x), Bierwisch, Bernhard (1x), Zecha, Gerhard Dr (1x), Cetkovic, Bozidar (1x), Dautov, Rustem (1x), Kurniawan, Bobby (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8.Qxd8+	8.Qe2	8.Nc3	8.Nbd2
<1800	282	96%	2%	1%	—
1800-2200	4309	96%	3%	1%	0%
2200-2600	8304	98%	1%	0%	0%
2600+	1329	100%	0%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	8.Qxd8+	8.Qe2	8.Nc3	8.Nbd2
1880s	9	67%	33%	—	—
1890s	16	75%	25%	—	—
1900s	27	85%	15%	—	—
1910s	8	88%	12%	—	—
1920s	7	100%	—	—	—
1930s	4	75%	25%	—	—
1940s	8	62%	38%	—	—
1950s	31	84%	13%	—	—
1960s	50	80%	18%	—	—
1970s	123	93%	6%	1%	1%
1980s	160	91%	7%	—	1%
1990s	809	95%	5%	0%	0%
2000s	3390	97%	2%	0%	0%
2010s	8431	98%	1%	0%	0%
2020s	2315	98%	1%	0%	0%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.Qxd8+	98%	98%	+0.1%
8.Qe2	1%	1%	-0.0%
8.Nc3	0%	0%	-0.2%
8.Nbd2	0%	0%	+0.0%

Joueurs célèbres

Champions du monde dans cette position

Anand, Viswanathan — 10 parties
Kasparov, Garry — 10 parties
Kramnik, Vladimir — 10 parties
Carlsen, Magnus — 10 parties
Hou, Yifan — 10 parties
Lasker, Emanuel — 8 parties
Tal, Mikhail — 4 parties
Karpov, Anatoly — 4 parties
Ju, Wenjun — 3 parties
Smyslov, Vladimir — 2 parties
Ding, Liren — 2 parties
Euwe, Max — 1 partie
Karpov, Aleksandr — 1 partie
Gukesh D — 1 partie

Parties historiques

8.Qxd8+ — 97.3% (14971 parties)

1880 — Wemmers, Carl vs Riemann, Fritz — 0-1 — Braunschweig
1887 — White, Max vs Schallopp, Emil — 1-0 — Frankfurt GER
1888 — Grace, Charles M vs Robinson, Henry Edwin — 1-0 — British Chess Club
1888 — Schottlaender, Arnold vs Riemann, Fritz — 0-1 — Leipzig GER
1889 — Gunston, William H vs Last, C W — 1-0 — corr

8.Qe2 — 2.0% (303 parties)

1880 — Schallopp, Emil vs Riemann, Fritz — 0-1 — Berlin GER
1885 — McKenzie, George vs Riemann, Fritz — 1/2-1/2 — Hamburg GER
1889 — Harmonist, Max vs Berger, Johann — 1/2-1/2 — DSB-06.Kongress
1892 — Simonson, Gustave vs Lasker, Emanuel — 0-1 — New York, NY USA
1896 — Showalter, JBarry, J vs Pillsbury, HHymes, E — 1/2-1/2 — Brooklyn

8.Nc3 — 0.4% (62 parties)

1975 — Gamarra Caceres, Carlos vs Gouveia, Carlos Eduardo — 0-1 — Fortaleza BRA
1998 — Pietrocola, Roberto vs Pukropski, Goetz — 1/2-1/2 — ICCF Email
1999 — Webersberger, Johann vs Schoene, Ralf — 0-1 — Passau
2000 — Djondras, Blasko vs Huisl, Wolfgang — 0-1 — Hessen
2003 — Karabaic, Ivan vs Bosiocic, Marko — 1-0 — Rabac

8.Nbd2 — 0.1% (16 parties)

1971 — Poutiainen, Pertti vs Book, Eero — 1/2-1/2 — Helsinki FIN
1987 — Bierwisch, Bernhard vs Zecha, Gerhard Dr — 0-1 — cr.
1992 — Cetkovic, Bozidar vs Dautov, Rustem — 0-1 — Buehl rapid
1995 — Kurniawan, Bobby vs Tu, Hoang Thong — 0-1 — Jogyakarta
2003 — Ivanov, Alexey vs Smirnov, Leonid G. — 1-0 — St Petersburg RUS

	♔ Blancs	♚ Noirs
Pions doublés	—	● c6, ● c7
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● b7→c6
Passés	—	—
Majorité	● centre 1v0	● aile_dame 4v3

Cases

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

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Ouvertes	● d	● d
Semi-ouvertes	—	● e

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bc8		● Bc8 Non développé (mob. 2)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	Non	● Oui
Non développées	3 (b1, c1, a1)	4 (c8, 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	asymétrique
Ruptures	● c2-c3	● …c6-c5, ● …f7-f6

Partie
1902 DSB-13.Kongress – Round 16 – Von Bardeleben, Curt – 1/2-1/2 – Gunsberg, Isidor – G73 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qe2 Nd4 9. Qe4 Nxf3+ 10. Qxf3 Qd5
1903 It (Men) Monte Carlo MNC – Round 11 – Schelfhout, Willem – 0-1 – Spielmann, Rudolf – G52 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qe2 Nd4 9. Nxd4 Qxd4 10. Nc3 Bg4
1905 It (Men) Barmen GER – Round 5 – Suechting, Hugo – 1/2-1/2 – Wolf, Hans-Josef – G93 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qe2 Nd4 9. Nxd4 Qxd4 10. Rd1 Bg4
1938 Lasker – Round 1 – Rellstab, Ludwig Sr – 1/2-1/2 – Michel, Paul – G3 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qe2 Nd4 9. Nxd4 Qxd4 10. Rd1 Bg4
1948 Mar del Plata – Round 11 – O'Kelly, Albéric de Galway – 1/2-1/2 – Maderna, Carlos – G93 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qe2 Nd4 9. Nxd4 Qxd4 10. Nd2 Bg4
1949 Moscow Ch – Round ? – Averbakh, Yuri L – 1-0 – Trupan, Vladilen – G62 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qe2 Nd4 9. Nxd4 Qxd4 10. Rd1 Qg4
1949 Moscow Ch – Round 1 – Ravinsky, Grigory – 0-1 – Yudovich, Mikhail M – G32 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qe2 Nd4 9. Qe4 Bc5 10. Nxd4 Qxd4
1957 Przepiorka Memorial – Round 10 – Gromek, Jozef – 0-1 – Fichtl, Jiri – G66 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Bg5 Qxd1 9. Rxd1 Be6 10. Nc3 h6
1957 Sofia zt Sofia BUL – Round ? – Matanovic, Aleksandar – 1/2-1/2 – Karaklajic, Nikola – G64 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qe2 Nd4 9. Nxd4 Qxd4 10. Rd1 Bg4
1958 Clare Benedict Cup 05th – Round 5 – Donner, Jan-Hein – 1/2-1/2 – Toran Albero, Roman – G34 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qe2 Nd4 9. Nxd4 Qxd4 10. Nd2 Bf5 1/2-1/2
1958 Portoroz Interzonal – Round 1 – Fischer, Robert J – 1/2-1/2 – Neikirkh, Oleg – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qe2 Nd4 9. Nxd4 Qxd4 10. Nc3 Bg4
1962 Capablanca Memorial – Round 7 – Ciocaltea, Victor – 1/2-1/2 – Milev, Zdravko – G68 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. b3 Qxd1 9. Rxd1 Be7 10. Bb2 Be6
1966 Reykjavik – Round 2 – Sigurjonsson, Gudmundur – 0-1 – Book, Eero – G13 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qe2 Nd4 9. Nxd4 Qxd4 10. Nc3 Bg4
1967 FRG Ch Kiel GER – Round 13 – Hecht, Hans-Joachim – 1/2-1/2 – Kestler, Hans-Guenther – G49 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qe2 Nd4 9. Nxd4 Qxd4 10. Rd1 Qg4
1967 Halle zt – Round 15 – Westerinen, Heikki M.J. – 1-0 – Minev, Nikolay N – G72 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qe2 Nd4 9. Nxd4 Qxd4 10. Nc3 Bg4
1967 Maribor – Round 7 – Janosevic, Dragoljub – 1/2-1/2 – Minev, Nikolay N – G45 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qe2 Nd4 9. Nxd4 Qxd4 10. Rd1 Bg4
1969 Venice – Round 5 – Rosino, Antonio – 1/2-1/2 – Troianescu, Octav – G33 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qe2 Nd4 9. Nxd4 Qxd4 10. Rd1 Bg4
Superbet Classic 2021 – Round 5.4 – Caruana, Fabiano – 1/2-1/2 – Giri, Anish – G22 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qe2 Nd4 9. Nxd4 Qxd4 10. h3 Be6

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