C92a — Spanish: Closed, 9.h3

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3 ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plan principal. Exploiter la case forte d5.

Atouts. Les Blancs s'appuient sur la case forte d5, un fou actif en b3 et la paire de fous.

Côté adverse. Les fous enfermés en e7 et c8.

En contrepartie. Plusieurs pièces dorment encore (le cavalier b1, le fou c1 et la tour a1).

Plans. d3 (Libérer Bc1) ; Bc2 (Anticiper ...Na5).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plan principal. Jeu au centre (rupture d6-d5).

Atouts. Les Noirs s'appuient sur la paire de fous.

Côté adverse. Le fou enfermé en c1.

En contrepartie. Plusieurs pièces dorment encore (le fou c8 et la tour a8).

Plans. ...Na5 (Attaquer Bb3) ; ...d5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→c3, d2→c3, g2→h3	● a6→b5, d6→e5, c7→d6
Passés	—	—
Majorité	—	—

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bb3	● Bb3 Actif (mob. 6)
Be7		● Be7 Enfermé (mob. 0)
Bc8		● Bc8 Non développé (mob. 6)
Paire de fous	● Oui	● Oui
Clouages	—	● pawn f7
Non développées	3 (● b1, ● c1, ● a1)	2 (● c8, ● a8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c3-c4, ● d2-d3	● …d6-d5

Partie
11. London Classic 2019 – Round 2.6 – Vachier-Lagrave, Maxime – 1-0 – Ding, Liren – G30 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Re8 10. a4 Bb7
1902 Moscow blindfold sim – Round 15 – Pillsbury, Harry – 0-1 – Seleznev, Paul – G15 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Ne8 10. d4 Bf6
1910 BCF Ch 7th – Round 3 – Wainwright snr, George Edward – 0-1 – Atkins, Henry Ernest – G5 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 7. c3 O-O 8. h3 b5 9. Bb3 Kh8 10. a4 Rb8
1959 Candidats Tournament – Round 9 – Keres, Paul – 1/2-1/2 – Smyslov, Vladimir – G34 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Qd7 10. d4 Re8
1960 Buenos Aires – Round 13 – Gligorić, Svetozar – 1-0 – Wade, Robert G – G142 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Qd7 10. d4 Re8
1960 Buenos Aires – Round 18 – Fischer, Robert J – 1-0 – Wade, Robert G – G188 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Qd7 10. d4 Re8
1960 Leningrad ch-URS – Round 6 – Bronstein, David I – 1/2-1/2 – Smyslov, Vladimir – G56 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Qd7 10. d3 Bb7
1960 UKR Ch – Round 4 – Olifer A – 1/2-1/2 – Volchok, Alexandr – G26 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Qd7 10. d4 Re8
1961 Bucharest GMT 5th – Round 11 – Stein, Leonid – 1-0 – Gheorghiu, Florin – G44 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Qd7 10. d4 Re8
1962 Kiev (Ukraine) – Round 6 – Zurakhov, Vladlen Y – 1-0 – Kostiuchenko, Alexander – G10 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 d5 10. exd5 Nxd5
1965 Capablanca Memorial – Round 8 – Tringov, Georgi P – 1/2-1/2 – Robatsch, Karl – G81 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 d5 10. exd5 Nxd5
1969 USSR – Round 1 – Schmidt, Waldemar – 1/2-1/2 – Zaitsev, Igor – G38 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Qd7 10. d4 Re8
1971 Hoogovens – Round 1 – Zuidema, Coen – 1/2-1/2 – Kostro, Jerzy – G178 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Qd7 10. d3 Na5
1971 Moscow – Round ? – Balashov, Yuri S – 0-1 – Zaitsev, Aleksandr – G195 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 9. h3 Qd7 10. d4 Re8
Biel Interzonal 1993 – Round 13 – Ivanchuk, Vasyl – 1-0 – Piket, Jeroen – G296 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Kh8 10. d4 exd4
FIDE Grand Swiss 2025 – Round 3 – Giri Anish – 1/2-1/2 – Svane Frederik – G123 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. O-O d6 6. c3 a5 7. h3 O-O 8. Bb3 h6 9. Re1 Bb6 10. Na3 Be6
FIDE World Cup 2025 – Round R2 Classical 2 – Gledura Benjamin – 1-0 – Bassem Amin – G337 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 d6 8. a3 O-O 9. Nc3 Nb8 10. h3 Nbd7
FIDE-Wch k.o. 1997 – Round 1.1 – Kotronias, Vasilios – 1/2-1/2 – Milov, Vadim – G15 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Qd7 10. d4 Re8
World Blitz 2015 – Round 6.41 – Grischuk, Alexander – 1/2-1/2 – Lagno, Kateryna – G373 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Re8 10. d3 Na5
World Blitz 2023 – Round 11.3 – Kosakowski, Jakub – 0-1 – Van Foreest, Jorden – G644 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 d5 10. exd5 Nxd5
XX Ciudad de Leon 2007 – Round 2.1 – Topalov, Veselin – 1/2-1/2 – Anand, Viswanathan – G9 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. h3 d6 9. c3 Rb8 10. d3 Na5

C92a — Spanish: Closed

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d6 9.h3

Eval: [+0.41]

Les coups candidats

9…Na5 — 43.0% (33246 parties) →

Ambassadeurs : Zielinski, Sergej (288x), Romanishin, Oleg M (171x), Szabo, Vilmos (162x), ? (106x), Lengyel, Bela (104x), Ivkov, Borislav (91x), Glaser, Karel (84x), Matanovic, Aleksandar (77x)

9…Nb8 — 22.5% (17386 parties) →

Ambassadeurs : Sasikiran, Krishnan (69x), Matanovic, Aleksandar (53x), Spassky, Boris V. (50x), ? (50x), Sherwood, Russell (50x), Beliavsky, Alexander G (49x), Klewe, Wolfgang (49x), Johansen, Anders S. (49x)

9…Bb7 — 20.7% (16029 parties) →

Ambassadeurs : Langer, Raimund (205x), Karpov, Anatoly (73x), Schwetlick, Thomas (65x), Pheby, Ian M (62x), Pinchon, François (57x), Kovacs, Arthur Dr. (57x), Gligoric, Svetozar (52x), Sorcinelli, Andrea (49x)

9…h6 — 4.0% (3114 parties) →

Ambassadeurs : Flecher, Joseph (93x), Geller, Efim P. (46x), Gligorić, Svetozar (39x), Matanovic, Aleksandar (35x), De Coverly, Roger D (31x), Gligoric, Svetozar (30x), Djuric, Stefan (27x), ? (24x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9…Na5	9…Nb8	9…Bb7	9…h6
<1800	1635	53%	16%	20%	4%
1800-2200	21818	49%	21%	19%	3%
2200-2600	35938	37%	26%	23%	3%
2600+	2302	25%	31%	22%	2%

Évolution par décennie (% des parties)

Décennie	N parties	9…Na5	9…Nb8	9…Bb7	9…h6
0s	1	100%	—	—	—
1900s	30	70%	—	10%	3%
1910s	18	67%	—	—	—
1920s	45	98%	—	—	2%
1930s	51	92%	—	4%	—
1940s	278	69%	—	2%	0%
1950s	1076	74%	7%	3%	0%
1960s	2705	52%	16%	2%	18%
1970s	2833	40%	31%	6%	15%
1980s	4218	36%	19%	26%	5%
1990s	8633	37%	14%	26%	6%
2000s	19817	52%	15%	21%	3%
2010s	31314	40%	29%	21%	2%
2020s	6329	30%	32%	27%	2%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9…Na5	40%	30%	▼ -10.8%
9…Nb8	29%	32%	▲ +3.1%
9…Bb7	21%	27%	▲ +5.5%
9…h6	2%	2%	-0.4%

Joueurs célèbres

Champions du monde dans cette position

Smyslov, Vladimir — 10 parties
Botvinnik, Mikhail — 10 parties
Karpov, Anatoly — 10 parties
Tal, Mikhail — 10 parties
Karpov, Aleksandr — 10 parties
Kasparov, Garry — 10 parties
Anand, Viswanathan — 10 parties
Carlsen, Magnus — 10 parties
Kramnik, Vladimir — 10 parties
Hou, Yifan — 10 parties
Ding, Liren — 10 parties
Euwe, Max — 7 parties
Alekhine, Alexander — 7 parties
Lasker, Emanuel — 4 parties
Fischer, Robert James — 2 parties

Parties historiques

9…Na5 — 43.0% (33246 parties)

3 — Efimov, Albert Nikolaevich vs Garau, Bernard — 0-1 — IECC
1903 — Meiners, W B H vs Duras, Oldrich — 1/2-1/2 — Hilversum NED
1906 — Důras, Oldřich vs Chigorin, Mikhail — 0-1 — Nuerenberg GER
1907 — Schlechter, Carl vs Berger, Jacob — 1-0 — Carlsbad CZE
1907 — Przepiorka, Dawid vs Rubinstein, Akiba — 0-1 — Lodz Lodz POL

9…Nb8 — 22.5% (17386 parties)

1954 — Rudenko, Olga vs Borisenko-Belova, Valentina — 1-0 — Riga LAT
1954 — Aronin, Lev vs Furman, Slavomir — 1/2-1/2 — URS-ch sf Leningrad RUS
1954 — Bannik, Anatolij vs Koval, Valentin — 0-1 — Ukraine
1954 — Zagorovsky, Vladimir vs Borisenko, Georgy K — 0-1 — Gorki ch22-SU sf
1955 — Laurencena Lopez, Gustavo Adrian vs Shocron, Ruben — 1/2-1/2 — Buenos Aires ARG

9…Bb7 — 20.7% (16029 parties)

1904 — Schlechter, Carl vs Gottschall, D — 1-0 — Coburg
1904 — Schlechter, Carl vs Von Bardeleben, Curt — 1-0 — Coburg GER
1904 — Bernstein, Ossip vs Von Bardeleben, Curt — 1/2-1/2 — Coburg
1938 — Trifunovic, Petar vs Preinfalk, Anton — 1-0 — Ljubljana
1938 — Poschauko, Karl vs Biedermann, Andrea — 0-1 — Krakow POL

9…h6 — 4.0% (3114 parties)

1908 — Schlechter, Carl vs Prokes, Ladislav — 1-0 — Prague CZE
1925 — Rosselli del Turco, Stefano vs Cenni, Giovanni — 1/2-1/2 — Bologna ITA
1949 — Najdorf, Miguel vs Aviles Guevara, Elvin Santiago — 1/2-1/2 — Mar del Plata ARG
1954 — Yudovich, Mikhail M vs Zagorovsky, Vladimir — 1-0 — URS-ch sf Gorky
1954 — Suetin, Alexey S vs Averbakh, Yuri L — 1-0 — Riga LAT

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