C88q — Spanish: Closed, 8.c3

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 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

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

Côté adverse. Le fou enfermé en c8.

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

Plans. Nc3 (Développer Nb1) ; d3 (Libérer Bc1) ; h3 (Empêcher ...Bg4) ; Bc2 (Anticiper ...Na5).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Atouts. Les Noirs s'appuient sur un fou actif en e7 et 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. ...d6 (Libérer Bc8) ; ...Na5 (Attaquer Bb3) ; ...Bg4 (Clouer Nf3) ; ...d5 (Rupture).

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

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

Cases

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

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bb3	● Bb3 Actif (mob. 6)
Be7		● Be7 Actif (mob. 4)
Bc8		● Bc8 Non développé (mob. 1)
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	● …d7-d6, ● …d7-d5

Partie
1924 BCF Ch 17th – Round 1 – Michell, Reginald – 1/2-1/2 – Spencer, Edmund – G6 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 Bb7 9. d3 h6 10. Nbd2 Re8
1924 BCF Ch 17th – Round 2 – Blake, Joseph – 0-1 – Spencer, Edmund – G10 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 Bb7 9. d3 h6 10. Nbd2 Re8
1925 BCF Ch 18th – Round 10 – Blake, Joseph – 0-1 – Spencer, Edmund – G41 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 Bb7 9. d3 h6 10. Nbd2 Re8
1960 Club Ladder – Round ? – Blackstone, John – 1-0 – Fowell, Richard – G7 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Nf6 6. O-O Be7 7. Re1 O-O 8. c3 Bb7 9. d4 d6 10. Nbd2 exd4
1960 Skittles – Round ? – Blackstone, John – 1-0 – Mueller, E.H. – G27 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 Na5 9. Nxe5 Nxb3 10. axb3 Bb7
1962 Olympiad Varna BUL – Round 5 – Ivkov, Borislav – 1-0 – Zeyen, Helmut – G31 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 Na5 9. Bc2 d6 10. d4 exd4
9. Norway Chess 2021 – Round 7.1 – Aditya Tari – 0-1 – Carlsen, Magnus – G19 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 Na5 9. Bc2 d5 10. d4 dxe4
World Blitz 2015 – Round 5.48 – Pavlidis, Antonios – 1/2-1/2 – Ragger, Markus – G314 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 Na5 9. Bc2 d5 10. exd5 e4
World Blitz 2021 – Round 17.17 – Michalik, Peter – 1-0 – Karjakin, Sergey – G985 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 Na5 9. Nxe5 Nxb3 10. axb3 Bb7

C88q — 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

Eval: [+0.20]

Les coups candidats

8…d5 — 52.3% (18511 parties) →

Ambassadeurs : Simmelink, Joop Theo (178x), Kireev, Sergey (118x), Moody, David W (92x), Wiesinger, Johann (89x), Beckett, Phillip J (80x), Herzog, Klaus (75x), Potrata, Janko (61x), Malyshev, Vladimir Pavlovich (54x)

8…d6 — 45.4% (16064 parties) →

Ambassadeurs : Glaser, Karel (126x), Geller, Efim P. (64x), ? (62x), Tal, Mikhail (55x), Wiesinger, Johann (48x), Ivkov, Borislav (46x), Hebden, Mark L (45x), Malmstroem, Jan Hendrik (42x)

8…Bb7 — 1.1% (385 parties)

Ambassadeurs : Spencer, Edmund (5x), Canibal, Jaromír (5x), Tyutyunnik, Roman (5x), Kaspschak, Karola (3x), Malmstroem, Jan Hendrik (3x), Korinek, Jaroslav (3x), Rossetti, Mario (3x), Blake, Joseph (2x)

8…Na5 — 0.7% (247 parties)

Ambassadeurs : Blackstone, John (3x), Dehaybe, Andre (3x), YIP, Chi Fung Brenda (2x), Menendez Miranda, Manuel (2x), Al-Mudahka, Mohd (2x), Chan, Philip (2x), Prieto Perez, Rodrigo (2x), Lim, Jeanie (2x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8…d5	8…d6	8…Bb7	8…Na5
<1800	1253	54%	40%	3%	2%
1800-2200	10875	56%	41%	1%	1%
2200-2600	12119	51%	48%	0%	0%
2600+	715	64%	34%	—	1%

Évolution par décennie (% des parties)

Décennie	N parties	8…d5	8…d6	8…Bb7	8…Na5
1790s	1	100%	—	—	—
1890s	1	100%	—	—	—
1900s	2	50%	50%	—	—
1910s	8	75%	25%	—	—
1920s	28	36%	43%	21%	—
1930s	22	55%	45%	—	—
1940s	118	43%	57%	—	—
1950s	617	27%	73%	—	0%
1960s	1270	34%	65%	0%	1%
1970s	1212	43%	57%	0%	0%
1980s	2370	48%	51%	0%	0%
1990s	5179	54%	43%	2%	1%
2000s	8675	52%	45%	1%	1%
2010s	12464	52%	45%	1%	1%
2020s	3418	67%	31%	0%	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8…d5	52%	67%	▲ +14.4%
8…d6	45%	31%	▼ -14.3%
8…Bb7	1%	0%	▼ -0.7%
8…Na5	1%	1%	▲ +0.9%

Joueurs célèbres

Champions du monde dans cette position

Botvinnik, Mikhail — 10 parties
Smyslov, Vladimir — 10 parties
Tal, Mikhail — 10 parties
Karpov, Anatoly — 10 parties
Anand, Viswanathan — 10 parties
Hou, Yifan — 10 parties
Carlsen, Magnus — 10 parties
Ding, Liren — 9 parties
Kramnik, Vladimir — 8 parties
Euwe, Max — 4 parties
Karpov, Aleksandr — 4 parties
Lasker, Emanuel — 3 parties
Alekhine, Alexander — 3 parties
Kasparov, Garry — 3 parties
Gukesh D — 2 parties
Fischer, Robert James — 1 partie

Parties historiques

8…d5 — 52.3% (18511 parties)

1792 — Morris, Bruce vs Barroso Law, Wildried — 1-0 — ?
1893 — Walbrodt, Carl vs ? — 0-1 — Havana CUB
1901 — Sittenfeld, Stanislaus vs Soldatenkov V — 0-1 — ?
1917 — Frere, Bruno vs Akonde Marshall — 0-1 — New York, NY USA
1918 — Capablanca, Jose vs Marshall, Frank — 1-0 — New York, NY USA

8…d6 — 45.4% (16064 parties)

1906 — Maroczy, Geza vs Alphonso Morgan — 1-0 — USA
1913 — Whitaker, Norman vs Kline, Harry — 1/2-1/2 — New York, NY USA
1913 — Jakobowitz vs Zidlicky, B. — 1-0 — Berlin GER
1923 — Chajes, Oscar vs Fink, O — 1/2-1/2 — New York, NY USA
1924 — Maroczy, Geza vs Capablanca, Jose — 0-1 — New York, NY USA

8…Bb7 — 1.1% (385 parties)

1924 — Blake, Joseph vs Spencer, Edmund — 0-1 — Southport ENG
1924 — Michell, Reginald vs Spencer, Edmund — 1/2-1/2 — Southport ENG
1925 — Uber, Henry Bernard vs Spencer, Edmund — 0-1 — Stratford-upon-Avon
1925 — Blake, Joseph vs Spencer, Edmund — 0-1 — Stratford-upon-Avon
1926 — Price, Hubert E vs Spencer, Edmund — 0-1 — Weston-super-Mare

8…Na5 — 0.7% (247 parties)

1952 — Reshevsky, Samuel vs Reinhardt, Gottfried — 1/2-1/2 — Los Angeles, CA USA
1958 — Korchnoi, Viktor vs Geller, Efim P. — 1-0 — Riga ch-URS
1960 — Blackstone, John vs Mueller, E.H. — 1-0 — San Jose, CA USA
1961 — Blackstone, John vs Mitchell, Philip — 1-0 — San Jose, CA USA
1962 — Griffiths, Peter C vs Cordingley, G. — 1-0 — Whitby