Archives des C82a - 9.c3 - Spanish: Open [+0.41]

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C82a — Spanish: Open

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

Eval: [+0.41]

Les coups candidats

Ambassadeurs : Pott, Brian (29x), Lombart, Philippe (26x), Herzog, Klaus (25x), Jussupow, Artur (21x), Mikhalevski, Victor (19x), Wiesinger, Johann (19x), Timman, Jan H (17x), ? (15x)

9…Be7 — 38.7% (3114 parties) →

Ambassadeurs : Euwe, Max (53x), Unzicker, Wolfgang (35x), Korchnoi, Viktor (20x), Tarrasch, Siegbert (19x), Starace, Umberto (18x), Lasker, Emanuel (17x), Alekhine, Alexander (17x), Armani, Giuseppe (17x)

9…Nc5 — 5.9% (472 parties) →

Ambassadeurs : Radashkovich, Itchak (8x), Ruderfer, Mark B (8x), Ujtumen, Tudev (7x), Korchnoi, Viktor (7x), Grivas, Efstratios (7x), Torre, Eugenio (7x), Lehmann, Heinz (6x), Zhukov, Sergey (6x)

9…g6 — 0.3% (26 parties)

Ambassadeurs : Hromadka, Karel (3x), Von Balla, Zoltan (1x), Treybal, Karel (1x), Brach, Julius (1x), Sergeant, Edward (1x), Weiss, Louis (1x), Yates, Frederic D (1x), Abaal Louis Awitong (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9…Bc5	9…Be7	9…Nc5	9…g6
<1800	164	60%	33%	5%	1%
1800-2200	1923	64%	31%	4%	0%
2200-2600	2178	56%	36%	7%	0%
2600+	231	45%	52%	3%	—

Évolution par décennie (% des parties)

Décennie	N parties	9…Bc5	9…Be7	9…Nc5	9…g6
1860s	1	—	100%	—	—
1870s	3	33%	67%	—	—
1880s	32	38%	62%	—	—
1890s	57	63%	35%	2%	—
1900s	78	77%	22%	—	1%
1910s	171	27%	65%	4%	3%
1920s	172	12%	86%	—	1%
1930s	172	8%	90%	1%	—
1940s	300	42%	53%	4%	0%
1950s	290	40%	50%	8%	0%
1960s	385	47%	41%	12%	0%
1970s	493	56%	33%	11%	0%
1980s	902	59%	31%	10%	0%
1990s	1341	65%	29%	6%	0%
2000s	1481	59%	33%	7%	0%
2010s	1326	61%	34%	4%	0%
2020s	843	50%	49%	1%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9…Bc5	61%	50%	▼ -11.7%
9…Be7	34%	49%	▲ +14.6%
9…Nc5	4%	1%	▼ -2.8%
9…g6	0%	0%	-0.3%

Joueurs célèbres

Champions du monde dans cette position

Lasker, Emanuel — 10 parties
Euwe, Max — 10 parties
Alekhine, Alexander — 10 parties
Tal, Mikhail — 10 parties
Karpov, Anatoly — 10 parties
Anand, Viswanathan — 10 parties
Botvinnik, Mikhail — 8 parties
Smyslov, Vladimir — 3 parties
Carlsen, Magnus — 3 parties
Ding, Liren — 2 parties
Kasparov, Garry — 1 partie
Hou, Yifan — 1 partie
Gukesh D — 1 partie

Parties historiques

9…Bc5 — 54.7% (4402 parties)

1871 — Wolgast Rorbech, Frederik vs Weissenfels — 1-0 — cr.
1882 — Fleissig, Bernhard vs MacKenzie, George H — 0-1 — Vienna AUT
1883 — Cantoni, Filippo vs Zannoni Fermo — 0-1 — Venice ITA
1884 — Solovtsov, Alexander Vladimiro vs Chigorin, Mikhail — 1-0 — Moscow RUS
1884 — Solovtsov, Alexander Vladimiro vs Chigorin, Mikhail — 1-0 — Moscow RUS

9…Be7 — 38.7% (3114 parties)

1869 — Zukertort, Johannes vs Minckwitz, Johannes — 1/2-1/2 — ?
1878 — Moscow vs St Petersburg — 1-0 — cr.
1879 — Wemmers, Carl vs Schottlaender, Arnold — 0-1 — Leipzig GER
1882 — Hruby, Vincenz vs Englisch, Berthold — 1/2-1/2 — Vienna AUT
1883 — Leffmann, Karl vs Gunsberg, Isidor — 0-1 — Nuerenberg GER

9…Nc5 — 5.9% (472 parties)

1898 — Lasker, Emanuel vs Hanni Zin — 0-1 — Switzerland
1910 — Speijer, Abraham vs Köhnlein, Friedrich — 0-1 — Hamburg GER
1913 — Capablanca, Jose vs Corzo y Principe, Juan — 1-0 — Havana CUB
1914 — Abrego Baker, Abdiel Hotir vs Sergeant, William — 0-1 — cr.
1914 — Alekhine, Alexander vs Nimzowitsch, Aron — 1-0 — ?

9…g6 — 0.3% (26 parties)

1909 — Brach, Julius vs Hromadka, Karel — 1/2-1/2 — Brno m1 Brno CZE
1910 — Duras, Oldrich vs Hromadka, Karel — 0-1 — Prague /zimni t.CSpS
1912 — Von Balla, Zoltan vs Treybal, Karel — 1-0 — Breslau GER
1912 — Barosz vs Tyroler, Alexandru — 0-1 — Temesvary
1912 — Schlage, Willi vs Taussig, Lev — 1/2-1/2 — Telegram

Partie
1912 DSB-18.Kongress – Round 13 – Von Balla, Zoltan – 1-0 – Treybal, Karel – G102 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 g6 10. Nbd2 Nc5
1912 It (Men) Bad Pistyan CZE – Round 11 – Barasz, Zsigmond – 1-0 – Hromadka, Karel – 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 g6 10. Nbd2 Nc5
1914 BCF Ch 11th – Round 11 – Gunsberg, Isidor – 1-0 – Louis, Allan William Edwar – G20 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 Ne7 10. Nbd2 Nc5
1946 USA Ch New York, NY USA – Round 1 – Kashdan, Isaac – 1/2-1/2 – Ulvestad, Olaf – G49 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 g6 10. Nbd2 Nc5
1963 Odense – Round 1 – Petersen, Finn – 1-0 – Oe, Oluf – G13 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 6. c3 Nxe4 7. d4 b5 8. Bb3 d5 9. dxe5 Be6 10. Nbd2 Nxd2

1912 DSB-18.Kongress – Round 13 – Von Balla, Zoltan – 1-0 – Treybal, Karel – G102

1912 It (Men) Bad Pistyan CZE – Round 11 – Barasz, Zsigmond – 1-0 – Hromadka, Karel – G48

1914 BCF Ch 11th – Round 11 – Gunsberg, Isidor – 1-0 – Louis, Allan William Edwar – G20

1946 USA Ch New York, NY USA – Round 1 – Kashdan, Isaac – 1/2-1/2 – Ulvestad, Olaf – G49

1963 Odense – Round 1 – Petersen, Finn – 1-0 – Oe, Oluf – G13