C83j — Spanish: Open, Classical, 10.Nbd2 O-O 11.Bc2 f5 12.Nb3

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 Be7 10.Nbd2 O-O 11.Bc2 f5 12.Nb3 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Atouts. Les Blancs s'appuient sur la case forte d4, la paire de fous, la colonne semi-ouverte d et un pion passé en e5.

Côté adverse. Un mauvais fou en e6.

En contrepartie. Plusieurs pièces dorment encore (le fou c1 et la tour a1).

Plans. Be3 (Développer Bc1) ; h3 (Empêcher ...Bg4) ; Tour sur colonne d.

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur les cases fortes c4, e4 et c5, un fou actif en e7, la paire de fous et la colonne semi-ouverte e.

Côté adverse. Le fou enfermé en c1.

Plans. ...Bg4 (Clouer Nf3) ; ...d4 (Rupture) ; ...f4 (Rupture) ; Tour sur colonne e.

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→c3	● a6→b5
Passés	● e5	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (4v1)	● c4 (2v0), ● e4 (2v1), ● c5 (2v1)
Cases faibles	—	● g5
Centre	● d4 (4v1)	● d5 (2v1), ● e4 (2v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● e

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bc2	● Bc2 Ok (mob. 3)
Be6		● Be6 Mauvais (mob. 3)
Be7		● Be7 Actif (mob. 7)
Paire de fous	● Oui	● Oui
Non développées	2 (c1, a1)	1 (a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● c3-c4	● …d5-d4, ● …f5-f4

Partie
1902 DSB-13.Kongress Hauptturnier A – Round 19 – Cohn, Erich – 0-1 – Neumann, Augustin – 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 Bc5 10. Nbd2 O-O
1920 Amsterdam – Round 1 – Weenink, Henri – 0-1 – Euwe, Max – G6 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 Be7 10. Nbd2 O-O
1920 Simul, 25b – Round ? – Lasker, Emanuel – 1/2-1/2 – H G Reeders – G6 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 Be7 10. Nbd2 O-O
1920 Stockholm/Gothenburg m – Round 5 – Bogoljubow, Efim – 1/2-1/2 – Rubinstein, Akiba – G6 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 Be7 10. Nbd2 O-O
1923 Karlsbad – Round ? – Chajes, Oscar – 0-1 – Tarrasch, Siegbert – G153 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 Be7 10. Nbd2 O-O
1923 Karlsbad – Round 1 – Chajes, Oscar – 0-1 – Bellod Thomas, Gonzalo – G82 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 Be7 10. Nbd2 O-O
1938 Krakow – Round ? – Ropstorff – 0-1 – Pytlakowski, Andrzej – G13 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 Be7 10. Nbd2 O-O
1940 URS-sf – Round 1 – Rauzer, Vsevolod – 0-1 – Zhukhovitsky, Samuel – G68 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 Be7 10. Nbd2 O-O
1954 URS Ch sf – Round 5 – Boleslavsky, Isaac – 1/2-1/2 – Zagorovsky, Vladimir – G9 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 Be7 10. Nbd2 O-O
1957 Leningrad Ch – Round 18 – Bykov, Vladimir – 1/2-1/2 – Ravinsky, Grigory – G136 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 Be7 10. Nbd2 O-O
1966 Santa Monica – Round 14 – Fischer, Raphael – 1/2-1/2 – Unzicker, Wolfgang – G61 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 Be7 10. Bc2 O-O
1966 Santa Monica – Round 14 – Fischer, Robert J – 1/2-1/2 – Unzicker, Wolfgang – G60 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 Be7 10. Bc2 O-O
1968 Lugano ol (Men) – Round ? – Spassky, Boris Vasily – 1/2-1/2 – Unzicker, Wolfgang – G94 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 Be7 10. Nbd2 O-O
1968 Skopje/Ohrid – Round 3 – Geller, Efim P – 1/2-1/2 – Savon, Vladimir – G23 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 Be7 10. Nbd2 O-O
36. Olympiad 2004 – Round 11 – Sutovsky, Emil – 1/2-1/2 – Mamedyarov, Shakhriyar – G400 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. Nbd2 Be7 10. c3 O-O
43. Olympiad 2018 – Round 10.9 – Navara, David – 1/2-1/2 – Anton Guijarro, David – G692 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. Nbd2 Be7 10. c3 O-O
43. Olympiad 2018 – Round 6.6 – Vitiugov, Nikita – 1/2-1/2 – Vidit, Santosh Gujrathi – G416 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. Nbd2 Be7 10. c3 O-O
80. Tata Steel GpA 2018 – Round 12.4 – Anand, Viswanathan – 1/2-1/2 – So, Wesley – G70 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. Nbd2 Be7 10. c3 O-O
Corus A 2006 – Round 11 – Karjakin, Sergey – 1-0 – Sokolov, Ivan. – G70 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. Nbd2 Be7 10. c3 O-O
Corus A 2007 – Round 12 – Karjakin, Sergey – 1/2-1/2 – Carlsen, Magnus – 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. Nbd2 Be7 10. c3 O-O
FIDE World Cup 2017 – Round 3.1 – Caruana, Fabiano – 1/2-1/2 – Najer, Evgeniy – G325 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. Nbd2 Be7 10. c3 O-O
Moscow FIDE Grand Prix 2019 – Round 1.2 – Svidler, Peter – 1-0 – Vitiugov, Nikita – G16 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. Nbd2 Be7 10. c3 O-O
Novi Sad olm 1990 – Round 12 – Nunn, John D M – 1-0 – Wedberg, Tom – G86 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. Nbd2 Be7 10. c3 O-O
Renova FIDE GP Zug 2013 – Round 1.6 – Leko, Peter – 1/2-1/2 – Kamsky, Gata – G6 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. Nbd2 Be7 10. c3 O-O
Riga Interzonal 1979 – Round 8 – Gruenfeld, Yehuda – 1/2-1/2 – Tal, Mikhail – G21 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 Be7 10. Nbd2 O-O
Tata Steel India Blitz 2018 – Round 1.2 – So, Wesley – 1/2-1/2 – Anand, Viswanathan – G2 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. Nbd2 Be7 10. c3 O-O
Tata Steel India Blitz 2018 – Round 8.1 – Harikrishna, Pentala – 1/2-1/2 – Anand, Viswanathan – G36 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. Nbd2 Be7 10. c3 O-O
Turin ol (Men) 37th 2006 – Round 8 – Almasi, Zoltan – 1/2-1/2 – Vallejo Pons, Francisco – G111 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. Nbd2 Be7 10. c3 O-O
USA Ch 2022 – Round 7.7 – Shankland, Sam – 1/2-1/2 – Sevian, Samuel – 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. Nbd2 Be7 10. c3 O-O
USA Ch 2022 – Round 9.2 – Dominguez Perez, Leinier – 1/2-1/2 – Sevian, Samuel – G57 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 Be7 10. Nbd2 O-O
World Blitz 2017 – Round 12.17 – Leko, Peter – 1-0 – Vidit, Santosh Gujrathi – G610 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. Nbd2 Be7 10. c3 O-O
World Blitz 2021 – Round 15.11 – Grischuk, Alexander – 1/2-1/2 – Oparin, Grigoriy – G864 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 Be7 10. Bc2 O-O
World Rapid 2021 – Round 3.27 – Niemann, Hans Moke – 1/2-1/2 – Matlakov, Maxim – G152 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 Be7 10. Nbd2 O-O

C83j — Open Classical

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 Be7 10.Nbd2 O-O 11.Bc2 f5 12.Nb3

Eval: [+0.40]

Les coups candidats

12…Qd7 — 98.0% (590 parties)

Ambassadeurs : Thomae, Eberhard (12x), Szulc, Stanislaw (9x), Roques, Pascal (8x), Demarre, Jacques (7x), Unzicker, Wolfgang (7x), Ferre Pérez, Alberto (7x), Ernst, Sipke (6x), Karjakin, Sergey (6x)

12…Qe8 — 0.7% (4 parties)

Ambassadeurs : Toshev, Yury (1x), Gligoric, Svetozar (1x), Dutschko, Westphal Siegfried (1x), Kohn, Willibald (1x), Prandstetter, Eduard (1x), Vanecek, Jiri (1x), Lazarus, Ben (1x), Pettersen, Joar Gullestad (1x)

12…Nc5 — 0.3% (2 parties)

Ambassadeurs : Eastman, George (1x), Whitfield, Kenneth (1x), Stieg, Hans-Juergen (1x), Ekenlov Lars (1x)

12…f4 — 0.3% (2 parties)

Ambassadeurs : Spitz, Patrick (1x), Elyakim, Daniel (1x), Padovani, Florian (1x), Madeleine Jean (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	12…Qd7	12…Qe8	12…Nc5	12…f4
<1800	16	100%	—	—	—
1800-2200	159	99%	1%	—	—
2200-2600	236	99%	—	—	0%
2600+	60	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	12…Qd7	12…Qe8	12…Nc5	12…f4
1910s	1	100%	—	—	—
1920s	9	78%	—	11%	—
1930s	3	100%	—	—	—
1940s	3	67%	33%	—	—
1950s	5	100%	—	—	—
1960s	8	100%	—	—	—
1970s	18	100%	—	—	—
1980s	46	96%	—	2%	—
1990s	55	93%	4%	—	4%
2000s	150	99%	1%	—	—
2010s	216	99%	—	—	—
2020s	88	100%	—	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
12…Qd7	99%	100%	▲ +0.9%
12…Qe8	0%	0%	+0.0%
12…Nc5	0%	0%	+0.0%
12…f4	0%	0%	+0.0%

Joueurs célèbres

Champions du monde dans cette position

Anand, Viswanathan — 5 parties
Carlsen, Magnus — 3 parties
Euwe, Max — 2 parties
Hou, Yifan — 2 parties
Lasker, Emanuel — 1 partie
Tal, Mikhail — 1 partie
Kasparov, Garry — 1 partie
Karpov, Anatoly — 1 partie

Parties historiques

12…Qd7 — 98.0% (590 parties)

1919 — Pedzich, Dominik vs Flamberg, Alexander — 1-0 — Warsaw POL
1920 — Lasker, Emanuel vs H G Reeders — 1/2-1/2 — Amsterdam NED
1920 — Bogoljubow, Efim vs Rubinstein, Akiba — 1/2-1/2 — Stockholm / Goteburg m
1920 — Weenink, Henri vs Euwe, Max — 0-1 — Amsterdam NED
1923 — Chajes, Oscar vs Tarrasch, Siegbert — 0-1 — Carlsbad CZE

12…Qe8 — 0.7% (4 parties)

1945 — Toshev, Yury vs Gligoric, Svetozar — 1/2-1/2 — Sofia BUL
1990 — Dutschko, Westphal Siegfried vs Kohn, Willibald — 1/2-1/2 — ?
1992 — Prandstetter, Eduard vs Vanecek, Jiri — 1-0 — Pardubice CZE
2008 — Lazarus, Ben vs Pettersen, Joar Gullestad — 1/2-1/2 — Gibraltar ENG

12…Nc5 — 0.3% (2 parties)

1926 — Eastman, George vs Whitfield, Kenneth — 1-0 — Montreal CAN
1987 — Stieg, Hans-Juergen vs Ekenlov Lars — 1-0 — corr DDR

12…f4 — 0.3% (2 parties)

1996 — Padovani, Florian vs Madeleine Jean — 1-0 — ?
1999 — Spitz, Patrick vs Elyakim, Daniel — 1/2-1/2 — ?