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
bR
bB
bQ
bR
bK
bP
bP
bB
bPPion sous pression
bP
bP
bP
bN
bN
bP
Case forte (2v1)
bPPion sous pression
wPPion central
wBFou actif — mobilité 6
wP
wN
wP
wP
wP
wP
wP
wP
wR
wN
wB
wQ
wR
wK
abcdefgh
Plans. h3 (Empêcher ...Bg4 — 41 % des parties) ; d4 (Occuper le centre — 7 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wK
wR
wQ
wB
wN
wR
wP
wP
wP
wP
wP
wP
wN
wP
wB
wP
bPPion sous pression
bP
bN
bN
bP
bP
bP
bPPion sous pression
bBFou actif — mobilité 4
bP
bP
bK
bR
bQ
bB
bR
hgfedcba
Plans. ...d5 (Occuper le centre — 52 % des parties) ; ...d6 (Libérer Bc8 — 45 % des parties).
Avantages
Faiblesses
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-d4 ● …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 (1924)
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
Les coups candidats
Ambassadeurs : Simmelink, Joop Theo (171x), Kireev, Sergey (118x), Moody, David W (92x), Beckett, Phillip J (82x), Wiesinger, Johann (79x), Herzog, Klaus (75x), Andrews, Graham (54x), Adams, Michael (48x)
Ambassadeurs : Glaser, Karel (103x), Geller, Efim P. (67x), ? (66x), Smyslov, Vasily (55x), Tal, Mikhail (54x), Ivkov, Borislav (46x), Daniel Misiko (40x), Wiesinger, Johann (39x)
8…Bb7 — 1.1% (383 parties)
Ambassadeurs : Tyutyunnik, Roman (5x), Canibal, Jaromir (4x), Korinek, Jaroslav (3x), Rossetti, Mario (3x), Riepe, Bernhard (2x), Kaspschak, Karola (2x), Florea, Mihail (2x), Paul, Al-yossefus (2x)
8…Na5 — 0.7% (261 parties)
Ambassadeurs : Blackstone, John (3x), Dehaybe, Andre (3x), Aguilar Jean Jean, Lucas (2x), Prieto Perez, Rodrigo (2x), Obada, Ahmad AzeezJawad (2x), Dutra, Alfredo (2x), Richter, Wolfgang (2x), Ragger, Markus (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 2458 53% 42% 3% 2%
1800-2200 13136 56% 41% 1% 1%
2200-2600 10641 50% 49% 0% 0%
2600+ 676 65% 33% 1%
Évolution par décennie (% des parties)
Décennie N parties 8…d5 8…d6 8…Bb7 8…Na5
1950s 616 27% 72% 0%
1960s 1260 34% 65% 0% 1%
1970s 1216 43% 57% 0% 0%
1980s 2391 48% 51% 0% 0%
1990s 5193 54% 43% 2% 1%
2000s 8716 53% 45% 1% 1%
2010s 12512 52% 45% 1% 1%
2020s 3671 66% 32% 1% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
8…d5 52% 66% ▲ +13.5%
8…d6 45% 32% ▼ -13.6%
8…Bb7 1% 1% ▼ -0.6%
8…Na5 1% 2% ▲ +1.1%
Joueurs célèbres
Champions du monde dans cette position
Tal, Mikhail — 10 parties
Karpov, Anatoly — 10 parties
Anand, Viswanathan — 10 parties
Carlsen, Magnus — 10 parties
Hou, Yifan — 10 parties
Botvinnik, Mikhail — 9 parties
Ding, Liren — 9 parties
Kramnik, Vladimir — 8 parties
Smyslov, Vladimir — 6 parties
Kasparov, Garry — 3 parties
Gukesh D — 3 parties
Fischer, Robert James — 1 partie
Smyslov, Vassily — 1 partie
Parties historiques
8…d5 — 52.4% (18628 parties)
1950 — Jorgensen, Leon vs Tornerup, John — 0-1 — Vejle DEN
1950 — Konstantinopolsky, Alexander vs Borisenko, Georgy K — 1/2-1/2 — Moskou ch-URS
1950 — Makarov, Andrei vs Novotelnov, Nikolai — 0-1 — Memorial M.Chigorin, Cheliabi
1950 — Lowenfisch, Grigory vs Nezhmetdinov, Rashit — 0-1 — USSR
1950 — Mitchell, Graham Russell vs Barda, Olaf — 1-0 — ICCF
8…d6 — 45.3% (16122 parties)
1950 — Petrosian, Tigran V. vs Zagoriansky, Evgeny — 1/2-1/2 — Moscow ch
1950 — Geller, Efim P. vs Panov, Vasily — 1-0 — Kiev UKR
1950 — Abiolla James vs Penrose, Jonathan — 1/2-1/2 — London ENG
1950 — Van't Veer, P. vs Purdy, Cecil J S — 0-1 — corr Wch1
1950 — Petrosian, Tigran V. vs Zagoriansky, Evgeny — 1/2-1/2 — Moscow RUS
8…Bb7 — 1.1% (383 parties)
1960 — Blackstone, John vs Fowell, Richard — 1-0 — San Jose, CA USA
1963 — Isaacson, David vs Kirby, Kenneth F — 0-1 — Pretoria RSA
1966 — Partacini, Mario vs Meli, Mario — 0-1 — Venice ITA
1968 — Riego, Victorio vs Roebuck, E. — 1-0 — Lugano olm
1972 — Van de Walle, Georges vs Jensen, Tage Rye — 1-0 — Pula CRO
8…Na5 — 0.7% (261 parties)
1952 — Rapaka Samuel Paul 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 Charles vs Cordingley, Geoffrey — 1-0 — Whitby