C99k — Spanish: Closed, Chigorin, 13…Nc6 14.d5

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 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 cxd4 13.cxd4 Nc6 14.d5 *   ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bBFou enfermé — mobilité 6
bR
bK
bQ
bBFou enfermé — mobilité 1
bP
bP
bP
bP
bN
bPPion arriéré — cible
bN
bP
wPPion central
bP
wPCase forte (3v1)
wN
wP
wP
wP
wBFou actif — mobilité 4
wN
wP
wP
wR
wB
wQ
wR
wK
abcdefgh
Avantages : case forte e4, Bc2 actif, paire de fous.
Faiblesses adverses : arriéré d6, Be7 enfermé, Bc8 enfermé.
Problèmes : Bc1 enfermé.
Plans :
● Bg5 — Clouer Nf6
● Rc — Tour sur colonne c

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wK
wR
wQ
wBFou enfermé — mobilité 0
wR
wP
wP
wN
wBMauvais fou (5/7 pions)
wP
wP
wP
wN
wP
Avant-poste C (accessible)
bPCase forte (2v1)
wP
bP
bN
bP
bN
bP
bP
bP
bP
bB
bQ
bK
bR
bBFou actif — mobilité 6
bR
hgfedcba
Avantages : case forte d4, case forte e5, avant-poste d4(C), paire de fous.
Faiblesses adverses : Bc1 enfermé, Bc2 mauvais fou.
Problèmes : Be7 enfermé, Bc8 enfermé, arriéré d6.
Plans :
● ...Bg4 — Développer Bc8, clouer Nf3
● ...Rc — Tour sur colonne c
Avantages
Faiblesses adverses
Diagonale active
Plans

Structure de pions
C99k — Closed Chigorin
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 Na5 10.Bc2 c5 11.d4 Qc7 12.Nbd2 cxd4 13.cxd4 Nc6 14.d5
Eval: [+0.11]
Les coups candidats
14…Nb4 — 95.9% (790 parties)
Ambassadeurs : Vontina, Maria (6x), Gombar, Peter (5x), Kobese, Watu (5x), Kashdan, Isaac (4x), Adams, Michael (4x), Malinovsky, Karel (4x), Nabavi, Parwis (4x), Zavgorodniaya, Alena (4x)
14…Nb8 — 1.6% (13 parties)
Ambassadeurs : Blackstone, John (1x), Kakimi, Ben (1x), Alvarez Efres, Franklin Rafael (1x), Specchio, Robert (1x), Mariani Stefano (1x), Scaletti, Luciano (1x), Flores, Diego (1x), Tournear, Matias (1x)
14…Na5 — 1.3% (11 parties)
Ambassadeurs : Muhutdinov, Marat (1x), Bokan, Danko (1x), Martin, Bill (1x), El Messiry, Raouf (1x), Dambacher, Martijn (1x), Metsemakers, Peter (1x), Ivanovic, Zeljko (1x), De Barros, Marco Antonio Salles (1x)
14…Nd8 — 1.0% (8 parties)
Ambassadeurs : Tylor, Theodore Henry (2x), Alkkiomaki, Jyrki (2x), Michell, Reginald (1x), Aitken, James (1x), Redondo Arguelles, Graciela (1x), Prieto Busto, Luis (1x), Beraud, Robert (1x), Habib George (1x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 14…Nb4 14…Nb8 14…Na5 14…Nd8
<1800 30 83% 7% 7%
1800-2200 350 96% 2% 1% 1%
2200-2600 226 99% 0% 1%
2600+ 5 100%
Évolution par décennie (% des parties)
Décennie N parties 14…Nb4 14…Nb8 14…Na5 14…Nd8
1920s 1 100%
1930s 11 82% 18%
1940s 16 100%
1950s 10 100%
1960s 19 95% 5%
1970s 18 100%
1980s 30 97% 3%
1990s 112 96% 2% 2% 1%
2000s 277 95% 1% 2% 1%
2010s 286 96% 2% 1% 0%
2020s 44 98% 2%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
14…Nb4 96% 98% ▲ +1.6%
14…Nb8 2% 2% ▲ +0.5%
14…Na5 1% 0% ▼ -1.0%
14…Nd8 0% 0% -0.3%
Joueurs célèbres
Champions du monde dans cette position
Botvinnik, Mikhail — 1 partie
Parties historiques
14…Nb4 — 95.9% (790 parties)
1926 — Michell, Reginald vs Teller, Alfred — 0-1 — Hastings Town Hall
1930 — Steiner, Lajos vs Kashdan, Isaac — 0-1 — New York, NY USA
1938 — Cohen Revivo, Shoham vs Kashdan, Isaac — 1-0 — New York, NY USA
1938 — Rovner, Dmitry vs Pogrebissky, Iosif — 1/2-1/2 — Kiev UKR
1939 — Burdge, Harold vs Levin, Jerome A — 1/2-1/2 — Ventnor City
14…Nb8 — 1.6% (13 parties)
1963 — Blackstone, John vs Kakimi, Ben — 1-0 — California
1980 — Alvarez Efres, Franklin Rafael vs Specchio, Robert — 1-0 — Mexico City MEX
1996 — Flores, Diego vs Tournear, Matias — 1-0 — Laguna PanAm ch-U14b
1997 — Mariani Stefano vs Scaletti, Luciano — 0-1 — ITA
2002 — Zigangirova, Sofya vs Sommer, Sonja — 1-0 — Bled SLO
14…Na5 — 1.3% (11 parties)
1992 — Muhutdinov, Marat vs Bokan, Danko — 1-0 — Moscow RUS
1997 — Martin, Bill vs El Messiry, Raouf — 0-1 — IECC
2001 — Dambacher, Martijn vs Metsemakers, Peter — 1-0 — Voerendaal
2001 — Ivanovic, Zeljko vs De Barros, Marco Antonio Salles — 1-0 — ICCF Email
2001 — Wiehagen, Juergen vs Kreie, Guenter — 1-0 — Dortmund GER
14…Nd8 — 1.0% (8 parties)
1937 — Michell, Reginald vs Tylor, Theodore Henry — 1/2-1/2 — Blackpool, Imperial Hotel
1938 — Aitken, James vs Tylor, Theodore Henry — 1/2-1/2 — Brighton, Royal Pavilion
1994 — Redondo Arguelles, Graciela vs Prieto Busto, Luis — 1-0 — Gijon
2001 — Louhivaara, Jere vs Alkkiomaki, Jyrki — 0-1 — Finland
2003 — Beraud, Robert vs Habib George — 1/2-1/2 — Provence
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés ● d6
Chaînes ● g2→h3, e4→d5 ● a6→b5, d6→e5
Passés
Majorité
Cases
♔ Blancs ♚ Noirs
Cases fortes ● e4 (3v1) ● d4 (2v1), ● e5 (2v1)
Cases faibles
Centre ● e4 (3v1) ● d4 (2v1), ● e5 (2v1)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Ouvertes ● c ● c
Pièces
♔ Blancs ♚ Noirs
Bc1 ● Bc1 Non développé (mob. 0)
Bc2 ● Bc2 Actif (mob. 4)
Be7 ● Be7 Enfermé (mob. 1)
Bc8 ● Bc8 Non développé (mob. 6)
Paire de fous ● Oui ● Oui
Non développées 2 (c1, a1) 2 (c8, a8)
Sécurité du roi
♔ Blancs ♚ Noirs
Statut ● Roqué ● Roqué
Droits de roque
Thèmes
♔ Blancs ♚ Noirs
Phase Ouverture
Centre fermé
Partie
1926 Hastings Premier /27 7th – Round 2 – Michell, Reginald – 0-1 – Teller, Alfred – G8
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 Na5 10. Bc2 c5
1937 BCF Ch 30th – Round 1 – Michell, Reginald – 1/2-1/2 – Tylor, Theodore Henry – G4
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7
1938 GBR Ch 31st – Round 2 – Aitken, James – 1/2-1/2 – Tylor, Theodore Henry – G4
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7
1938 USA Ch – Round 3 – Cohen Revivo, Shoham – 1-0 – Kashdan, Isaac – G14
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7
1939 Leningrad/Moscow – Round 10 – Rabinovich, Ilya Mar – 0-1 – Levenfish, Grigory – G8
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 Na5 10. Bc2 c5
1939 Leningrad/Moscow – Round 12 – Rabinovich, Ilya Mar – 0-1 – Flohr, Salo – G92
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 Na5 10. Bc2 c5
1940 Budapest – Round 1 – Von Balla, Zoltan – 0-1 – Barcza, Gedeon – G3
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7
1940 New York ch-USA – Round 10 – Littman, G. – 1/2-1/2 – Kashdan, Isaac – G57
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7
1940 USA Ch – Round 1 – Pinkus, Albert – 1/2-1/2 – Reinfeld, Fred – G1
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 Na5 10. Bc2 c5
1946 Maastricht – Round 8 – Vlagsma, Chris – 0-1 – Van Scheltinga, Theo – G35
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 Na5 10. Bc2 c5
1946 Staunton, Groningen NED – Round 15 – Yanofsky, Daniel Abraham – 1-0 – Botvinnik, Mikhail – G55
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 Na5 10. Bc2 c5
1947 Schlechter Memorial – Round 11 – Galia, Karl – 1-0 – Szabo, Laszlo – 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 Na5 10. Bc2 c5
1948 Buenos Aires – Round ? – Acebey Michel, Veroska – 1/2-1/2 – Najdorf, Miguel – G23
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 Na5 10. Bc2 c5
1948 Karlovy Vary – Round 15 – Troianescu, Octav – 0-1 – Prins, Lodewijk – G146
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 Na5 10. Bc2 c5
1953 Hastings ch-BCF – Round 8 – Mardle, Denis – 0-1 – Green, Arnold Yorvath – G75
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. h3 O-O
1959 URS Team Ch – Round ? – Shamkovich, Leonid – 0-1 – Guldin, Lev Isaevich – G148
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 Na5 10. Bc2 c5
1960 Skittles – Round ? – Blackstone, John – 1-0 – Dommeyer, Carl – G23
1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. h3 O-O
1961 Match – Round 4 – Blackstone, John – 1-0 – Mortz, John R – G4
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 Na5 10. Bc2 c5
1964 Tel Aviv olm fin-C – Round 8 – Mazzoni, Guy – 0-1 – Safvat, Younus – G51
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 Na5 10. Bc2 c5
1964 URS Ch sf Kishinev MDA – Round ? – Kudriashov, Anatoli – 0-1 – Klovans, Janis – G11
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 Na5 10. Bc2 c5
1965 HUN Ch 20th – Round ? – Pogats, Jozsef Jr. – 1/2-1/2 – Kluger, Gyula – G17
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 Na5 10. Bc2 c5
1966 Mar del Plata 27th – Round 9 – Stein, Leonid – 1/2-1/2 – Reshevsky, Samuel – 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 Na5 10. Bc2 c5
36. Olympiad 2004 – Round 11 – Iordachescu, Viorel – 1/2-1/2 – Fressinet, Laurent – G402
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 Na5 10. Bc2 c5
Corus A 2005 – Round 1 – Short, Nigel D – 1/2-1/2 – Adams, Michael – G4
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 Na5 10. Bc2 c5

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