C66h — Spanish: Closed Berlin, Bernstein Variation

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O d6 5.d4 Bd7 6.Nc3 Be7 7.Bg5 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte d5, Bb5 actif, Bg5 actif, paire de fous.
Faiblesses adverses : Be7 enfermé, roi noir au centre.
Plans :
● h3 — Empêcher ...Bg4

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte g4, Bd7 actif, paire de fous.
Problèmes : roi au centre, Be7 enfermé.
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Bg4 — Clouer Nf3
● ...d5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

C66h — Closed Berlin Bernstein Variation

1.e4 e5 2.Nf3 Nc6 3.Bb5 Nf6 4.O-O d6 5.d4 Bd7 6.Nc3 Be7 7.Bg5

Eval: [+0.17]

Les coups candidats

7…O-O — 44.9% (75 parties)

Ambassadeurs : Lasker, Emanuel (3x), Sterk, Karoly (2x), Schiffers, Emanuel (1x), Chigorin, Mikhail (1x), R D G Telkamp (1x), Yates, Frederic D (1x), Pavlov, Mircea-Sergiu-Aurelian (1x), Grigoriev, A. (1x)

7…exd4 — 35.3% (59 parties)

Ambassadeurs : Levenfish, Grigory (3x), Schelfhout, Willem (2x), Lasker, Emanuel (2x), Salwe, Georg (2x), Havasi, Kornel (2x), Wolf, Siegfried (2x), Sterk, Karoly (2x), Schlechter, Carl (2x)

7…h6 — 13.8% (23 parties)

Ambassadeurs : Kruegel, JP. (2x), Illa, Rolando (1x), Lasker, Emanuel (1x), Euwe, Max (1x), Meijer, Reurt Albertus Jaco (1x), Marchand, Michael (1x), Svensson, Sven (1x), Thole, Markus (1x)

7…a6 — 3.6% (6 parties)

Ambassadeurs : Simlova, Kveta (1x), Duskova, Katerina (1x), Eckermann, Klaus (1x), Nittschalk, Karl (1x), Meghara, Lylia (1x), Tiviane, Graca (1x), Grabara, Krzysztof (1x), Pauk, Jozef (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	7…O-O	7…exd4	7…h6	7…a6
<1800	10	70%	10%	—	20%
1800-2200	34	41%	29%	18%	3%
2200-2600	12	25%	58%	17%	—

Évolution par décennie (% des parties)

Décennie	N parties	7…O-O	7…exd4	7…h6	7…a6
1880s	1	100%	—	—	—
1900s	7	14%	86%	—	—
1910s	22	18%	73%	9%	—
1920s	13	23%	69%	8%	—
1930s	2	50%	50%	—	—
1960s	1	—	100%	—	—
1970s	4	—	100%	—	—
1980s	5	60%	20%	20%	—
1990s	27	59%	19%	19%	—
2000s	61	52%	21%	20%	3%
2010s	21	57%	14%	10%	14%
2020s	3	67%	—	—	33%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
7…O-O	57%	67%	▲ +9.5%
7…exd4	14%	0%	▼ -14.3%
7…h6	10%	0%	▼ -9.5%
7…a6	14%	33%	▲ +19.0%

Joueurs célèbres

Champions du monde dans cette position

Lasker, Emanuel — 6 parties
Euwe, Max — 2 parties

Parties historiques

7…O-O — 44.9% (75 parties)

1880 — Schiffers, Emanuel vs Chigorin, Mikhail — 0-1 — St Petersburg RUS
1909 — Loewy, Leopold Jr vs Reti, Richard — 1-0 — Wenen Trebitsch
1910 — Morrison, John vs Lasker, Emanuel — 1-0 — Wenen wch-m
1910 — Schlechter, Carl vs Lasker, Emanuel — 1-0 — AUT Wien
1912 — Yates, Frederic D vs Sterk, Karoly — 0-1 — Bad Pistyan CZE

7…exd4 — 35.3% (59 parties)

1907 — Schallopp, Emil vs Cohn, Erich — 0-1 — Berlin GER
1908 — Prokes, Jaromir vs Vidmar Kunst, Enej — 0-1 — Prague CZE
1909 — Burn, Allan vs Speyer, Abraham — 1/2-1/2 — St Petersburg RUS
1909 — Lasker, Emanuel vs Salwe, Georg — 1-0 — St Petersburg RUS
1909 — Berndtsson, Karl vs Kostic, Boris — 1/2-1/2 — St Petersburg RUS

7…h6 — 13.8% (23 parties)

1910 — Illa, Rolando vs Lasker, Emanuel — 1/2-1/2 — Buenos Aires ARG
1916 — Marchand, Michael vs Svensson, Sven — 1-0 — Copenhagen DEN
1920 — Euwe, Max vs Meijer, Reurt Albertus Jaco — 1-0 — Nijmegen & Amsterdam
1986 — Thole, Markus vs Jensen, Camilla Hinge — 1-0 — Dubai UAE
1994 — Gassner Katrin vs Schmetzer Judith — 1-0 — NRW

7…a6 — 3.6% (6 parties)

2000 — Simlova, Kveta vs Duskova, Katerina — 1/2-1/2 — Czechia
2005 — Eckermann, Klaus vs Nittschalk, Karl — 1-0 — ?
2011 — Meghara, Lylia vs Tiviane, Graca — 1-0 — Maputo MOZ
2012 — Grabara, Krzysztof vs Pauk, Jozef — 1-0 — LSS
2017 — Molnar, Liza Dorottya vs Szilagyi, Laszlo — 1-0 — HUN

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● d6→e5, c7→d6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d5 (2v1)	● g4 (2v0)
Cases faibles	● d4	—
Centre	● d5 (2v1)	—

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bb5	● Bb5 Actif (mob. 6)
Bg5	● Bg5 Actif (mob. 7)
Bd7		● Bd7 Actif (mob. 5)
Be7		● Be7 Enfermé (mob. 1)
Paire de fous	● Oui	● Oui
Non développées	1 (a1)	2 (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	● d4-d5	● …d6-d5

Partie
1907 Berlin Jubilee – Round 2 – Schallopp, Emil – 0-1 – Cohn, Erich – G10 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Be7 5. Nc3 d6 6. d4 Bd7 7. Bg5 exd4 8. Nxd4 O-O 9. Bxc6 bxc6 10. Qf3 Rb8
1909 It (Men) St Petersburg RUS – Round 10 – Berndtsson, Karl – 1/2-1/2 – Kostic, Boris – G29 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 Be7 7. Bg5 exd4 8. Nxd4 O-O 9. Bxc6 bxc6 10. Qd3 c5
1909 St Petersburg – Round 1 – Lasker, Emanuel – 1-0 – Cohn, Erich – G67 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Be7 5. Nc3 d6 6. d4 Bd7 7. Bg5 exd4 8. Nxd4 O-O 9. Bxc6 bxc6 10. Qd3 Ng4
1909 St Petersburg – Round 1 – Lasker, Emanuel – 1-0 – Salwe, Georg – G53 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bd7 5. Nc3 Nf6 6. O-O Be7 7. Bg5 exd4 8. Nxd4 O-O 9. Bxc6 bxc6 10. Qd3 Re8
1910 Buenos Aires sim – Round ? – Illa, Rolando – 1/2-1/2 – Lasker, Emanuel – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 Be7 7. Bg5 h6 8. Bh4 O-O 9. Bxc6 Bxc6 10. dxe5 Nxe4
1910 Hamburg – Round 1 – Teichmann, Richard – 1-0 – Salwe, George – G7 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 Be7 7. Bg5 exd4 8. Nxd4 O-O 9. Bxc6 bxc6 10. Qd3 a5
1910 Vienna – Round 1 – Reti, Richard – 1-0 – Sterk, Karoly – G6 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 Be7 7. Bg5 exd4 8. Nxd4 O-O 9. Bxc6 bxc6 10. Qd3 Ng4
1911 Karlsbad – Round 1 – Marshall Viele, Fabrizio Aaron – 1-0 – Levenfish, Grigory – G225 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 d6 5. d4 Bd7 6. O-O Be7 7. Bg5 exd4 8. Nxd4 O-O 9. Re1 h6 10. Bh4 Nh7
1912 Bad Pistyan – Round 15 – Yates, Frederic D – 0-1 – Sterk, Karoly – G62 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bd7 5. O-O Nf6 6. Nc3 Be7 7. Bg5 O-O 8. Bxc6 Bxc6 9. Re1 Ne8 10. Bxe7 Qxe7
1912 BCF Ch 9. Major Open – Round 5 – Schories, Georg – 1-0 – Waterman, James Chrismas – G7 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 Be7 7. Bg5 exd4 8. Nxd4 O-O 9. Bxc6 bxc6 10. Qd3 Re8
1914 DSB-19.Kongress – Round 3 – Krueger, Paul – 1/2-1/2 – Bogoljubow, Efim – G20 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 Be7 7. Bg5 exd4 8. Nxd4 O-O 9. Bxc6 bxc6 10. Qd3 Ng4
1914 DSB-19.Kongress – Round 3 – Kruger, Paul – 1/2-1/2 – Bogoljubow, Efim – G21 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 d6 5. d4 Bd7 6. O-O Be7 7. Bg5 exd4 8. Nxd4 O-O 9. Bxc6 bxc6 10. Qd3 Ng4
1918 Kaschau – Round 1 – Schlechter, Carl – 1-0 – Havasi, Kornel – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 Be7 7. Bg5 exd4 8. Nxd4 O-O 9. Bxc6 bxc6 10. Qd3 Ng4
1920 Amsterdam m1 – Round 6 – Euwe, Max – 1-0 – Weenink, Henri – G7 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 d6 5. d4 Bd7 6. O-O Be7 7. Bg5 O-O 8. Bxc6 Bxc6 9. dxe5 dxe5 10. Qe2 Nd7
1921 DSB-21.Kongress – Round 5 – Schlage, Willi – 1-0 – Schories, Georg – G23 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 Be7 7. Bg5 exd4 8. Nxd4 O-O 9. Bxc6 bxc6 10. Qd3 Re8
1921 DSB-21.Kongress – Round 7 – Schlage, William – 1/2-1/2 – Wagner, Heinrich – G31 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d6 5. d4 Bd7 6. Nc3 Be7 7. Bg5 exd4 8. Nxd4 O-O 9. Bxc6 bxc6 10. Qd3 Re8
1925 Berlin/Budapest/Prag/Wien – Round 1 – Havasi, Kornel – 1/2-1/2 – Wolf, Siegfried – G1 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bd7 5. O-O Nf6 6. Nc3 Be7 7. Bg5 exd4 8. Nxd4 O-O 9. Bxc6 bxc6 10. Qf3 h6

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