C45p — Scotch: 4.Nxd4 Bc5 5.Nb3 Bb6 6.a4

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Nb3 Bb6 6.a4 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte b5, case forte d5, paire de fous, colonne d.
Faiblesses adverses : Bc8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, Bf1 enfermé, 5 pièces non développées (B1, C1, F1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Nbd2 — Développer Nb1
● Be3 — Développer Bc1
● Bd3 — Développer Bf1
● Rd — Tour sur colonne d

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : Bb6 actif, paire de fous, colonne e.
Faiblesses adverses : Bc1 enfermé, Bf1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bc8 enfermé, 4 pièces non développées (G8, C8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...d6 — Libérer Bc8
● ...Nf6 — Développer Ng8
● ...d5 — Rupture
● ...f5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

C45p —

1.e4 e5 2.Nf3 Nc6 3.d4 exd4 4.Nxd4 Bc5 5.Nb3 Bb6 6.a4

Eval: [+0.15]

Les coups candidats

6…a6 — 63.4% (964 parties) →

Ambassadeurs : Welz, Peter, Dr. (21x), Van der Wiel, John T.H. (14x), Vajda, Levente (12x), Kucera, Petr (10x), Toth, Tamas (9x), Brown, Paul (8x), Markus, Roland (7x), Prandstetter, Eduard (6x)

6…Qf6 — 14.7% (224 parties)

Ambassadeurs : Benko, Pal (3x), Brown, Paul (3x), Kluger, Gyula (2x), Koberl, Ferenc (2x), Barczay, Laszlo (2x), Barcza, Gedeon (2x), Lukin, Andrei M (2x), Messing, Hrvoje (2x)

6…a5 — 13.9% (212 parties)

Ambassadeurs : Benko, Pal (3x), Van der Wiel, John T.H. (3x), Macak, Stefan (3x), Sveshnikov, Evgeny (3x), Skibbe, Diana (3x), Schrancz, Istvan (2x), Westerinen, Heikki M.J. (2x), Ruotanen, Aarne (2x)

6…Qh4 — 7.3% (111 parties)

Ambassadeurs : Welz, Peter, Dr. (3x), Padevsky, Nikola (2x), Musil, Vojko (2x), Ehrler, Eberhard (2x), Brown, Paul (2x), Amelin, Alexander (1x), Chirikov, Alibek (1x), Letzelter, Jean-Claude (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	6…a6	6…Qf6	6…a5	6…Qh4
<1800	51	59%	14%	20%	8%
1800-2200	458	62%	14%	17%	7%
2200-2600	354	73%	10%	10%	6%
2600+	5	80%	20%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	6…a6	6…Qf6	6…a5	6…Qh4
1950s	20	50%	25%	—	25%
1960s	84	35%	31%	20%	11%
1970s	147	58%	25%	12%	4%
1980s	206	71%	14%	8%	7%
1990s	373	67%	11%	14%	8%
2000s	451	62%	13%	16%	8%
2010s	220	70%	11%	13%	5%
2020s	20	50%	5%	40%	5%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
6…a6	70%	50%	▼ -19.5%
6…Qf6	11%	5%	▼ -6.4%
6…a5	13%	40%	▲ +26.8%
6…Qh4	5%	5%	-0.5%

Joueurs célèbres

Champions du monde dans cette position

Smyslov, Vladimir — 1 partie
Karpov, Aleksandr — 1 partie
Anand, Viswanathan — 1 partie

Parties historiques

6…a6 — 63.4% (964 parties)

1954 — Martin Gonzalez, Angel vs Kozma, Julius — 0-1 — Oslo NOR
1954 — Wade, Robert G vs Matanovic, Aleksandar — 0-1 — Belgrade SRB
1954 — Estrin, Yakov vs Uusi, Gunnar — 0-1 — Leningrad RUS
1954 — Wade, Robert G vs Mulcahy, Edmond — 1-0 — Munich GER
1954 — Shaposhnikov, Yury vs Alatortsev, Vladimir N. — 1/2-1/2 — Riga LAT

6…Qf6 — 14.7% (224 parties)

1954 — Koberl, Ferenc vs Kluger, Gyula — 0-1 — Budapest HUN
1955 — Bely, Matthieu vs Portisch, Lajos — 1-0 — Hungary ch
1956 — Sefc, Jan vs Beni, Alfred — 1-0 — Marianske Lazne/Praha
1958 — Talanina, Lidia vs Dmitrieva Flora — 0-1 — ?
1959 — Nowarra, Waltraud vs Richter, Ch — 1/2-1/2 — Leipzig GER

6…a5 — 13.9% (212 parties)

1962 — Gusarov, Aleksei vs Zhilin, Vitaly V — 0-1 — Novosibirsk RUS
1964 — Bednarski, Jacek vs Haygarth, Michael — 1/2-1/2 — Tel Aviv ISR
1964 — Benko, Pal vs Smyslov, Vasily — 1/2-1/2 — Amsterdam NED
1964 — Benko, Pal vs Smyslov, Vladimir — 1/2-1/2 — Amsterdam NED
1965 — Susic, Idriz vs Matanovic, Aleksandar — 1/2-1/2 — Titograd

6…Qh4 — 7.3% (111 parties)

1951 — Ivashin, Alexey vs Bannik, Anatolij — 1-0 — Ivanovo
1954 — Troianescu, Octav vs Sandor, Bela — 1-0 — Bucharest ROU
1954 — Zezina, Renata vs Rubinchik, Leonid — 0-1 — Riga LAT
1955 — Honfi, K. vs Hajtun, Joseph — 1-0 — Budapest HUN
1956 — Kliawin vs Pitksaar — 0-1 — Moscow RUS

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	—
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● b5 (2v0), ● d5 (2v0)	—
Cases faibles	● d4	—
Centre	● d5 (2v0)	● e5 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● e

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 5)
Bb6		● Bb6 Actif (mob. 5)
Bc8		● Bc8 Non développé (mob. 0)
Paire de fous	● Oui	● Oui
Non développées	5 (b1, c1, f1, a1, h1)	4 (g8, c8, a8, h8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Au centre !	● Au centre !
Droits de roque	O-O / O-O-O	O-O / O-O-O

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● c2-c3, ● e4-e5, ● f2-f3	● …d7-d6, ● …d7-d5, ● …f7-f6, ● …f7-f5

Partie
1954 Bucharest – Round 11 – Troianescu, Octav – 1-0 – Sandor, Bela – G99 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. a4 Qh4 7. Qe2 Nf6 8. a5 Nd4 9. Nxd4 Bxd4 10. Ra4 Bc5
1954 HUN Ch 10th – Round ? – Koberl, Ferenc – 0-1 – Kluger, Gyula – G28 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. a4 Qf6 7. Qe2 a6 8. Nc3 Nge7 9. Nd5 Nxd5 10. exd5+ Ne7
1955 Budapest – Round 1 – Honfi, K. – 1-0 – Hajtun, Joseph – G80 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. a4 Qh4 7. Qe2 a6 8. a5 Nd4 9. Nxd4 Bxd4 10. Ra4 Ba7
1955 Hungary Ch – Round 1 – Bely, Matthieu – 1-0 – Portisch, Lajos – G35 1. e4 Nc6 2. Nf3 e5 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. a4 Qf6 7. f4 a6 8. Nc3 Nge7 9. a5 Ba7 10. Ra4 d6
1956 Marianske Lazne/Praha – Round 6 – Sefc, Jan – 1-0 – Beni, Alfred – G15 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. a4 Qf6 7. Qe2 a6 8. Nc3 Nge7 9. Nd5 Nxd5 10. exd5+ Ne7
1963 CSR Ch – Round 10 – Fichtl, Jiri – 0-1 – Blatny, Frantisek – G93 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. a4 Nf6 7. a5 Nxa5 8. Rxa5 Bxa5+ 9. Nxa5 Nxe4 10. Qd4 O-O
1963 CSR Ch sf – Round 1.1 – Pribyl, Josef – 1/2-1/2 – Kupka, Slavoj – G1 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. a4 Nf6 7. a5 Nxa5 8. Rxa5 Bxa5+ 9. Nxa5 Nxe4 10. Bd3 Nc5
1963 Rubinstein Memorial – Round 13 – Balcerowski, Witold – 1-0 – Kluger, Gyula – G87 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. a4 Qf6 7. Qe2 a6 8. Nc3 Nge7 9. a5 Ba7 10. Nd5 Nxd5
1964 Amsterdam Interzonal – Round 14 – Benko, Pal – 1/2-1/2 – Smyslov, Vladimir – G140 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. a4 a5 7. Nc3 Qf6 8. Qe2 Nge7 9. Be3 Nb4 10. Bxb6 Qxb6
1964 Budapest ch-HUN – Round 1 – Barczay, Laszlo – 1-0 – Sapi, Laszlo – G144 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. a4 Qf6 7. Qe2 a6 8. a5 Ba7 9. Nc3 Nge7 10. Nd5 Nxd5
1964 Interzonal – Round 14 – Benko, Pal – 1/2-1/2 – Smyslov, Vasily – G12 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. a4 a5 7. Nc3 Qf6 8. Qe2 Nge7 9. Be3 Nb4 10. Bxb6 Qxb6
1964 Tel Aviv olm prel – Round 7 – Bednarski, Jacek – 1/2-1/2 – Haygarth, Michael – G279 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. a4 a5 7. Nc3 Qf6 8. Qe2 Nb4 9. g3 d6 10. Bg2 Bg4
1965 HUN-ch21 – Round 1 – Csom, Istvan – 1-0 – Koberl, Ferenc – G58 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. a4 Qf6 7. Qe2 Na5 8. e5 Qg6 9. Nxa5 Bxa5+ 10. c3 Bb6
1965 Tbilisi Tbilisi GEO – Round 1 – Damjanovic, Mato – 1-0 – Kolarov, Atanas S. – G55 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. a4 Qh4 7. Qe2 d6 8. a5 Bg4 9. Qd2 Bc5 10. Bb5 Ne7
1965 Titograd – Round 16 – Susic, Idriz – 1/2-1/2 – Matanovic, Aleksandar – G116 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. a4 a5 7. Nc3 Qf6 8. Qe2 Nge7 9. Be3 Nb4 10. Bxb6 Qxb6
1966 Corr ch HUN – Round ? – Schrancz, Istvan – 1/2-1/2 – Schartner, Agoston – G8 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. a4 a5 7. Nc3 Qf6 8. Qe2 Nge7 9. Be3 Nb4 10. Bxb6 Qxb6
1966 Corr ICCF M – Round ? – Schrancz, Istvan – 0-1 – Perfors, B – G11 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. a4 a5 7. Nc3 Qf6 8. Qe2 Nge7 9. Be3 Nb4 10. Bxb6 Qxb6
1966 Olympiad Havana CUB – Round 12.4 – Padevsky, Nikola – 1-0 – Aguilar Petersen, Martin Alejandro – G11 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. a4 Qh4 7. Qe2 Nf6 8. a5 Bd4 9. Ra4 b5 10. Rxd4 Nxd4
1966 WchTJ U26 fin-A – Round 9 – Pantazi, Emanuel A – 1/2-1/2 – Ree, Hans – G56 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. a4 a5 7. Nc3 Qf6 8. Qe2 Nge7 9. Nd5 Nxd5 10. exd5+ Ne7
1968 Corr – Round 1 – Palmiotto, Fiorentino – 1/2-1/2 – Cappello, Angelo – G27 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. a4 Qf6 7. Qe2 Nge7 8. a5 Nd4 9. Nxd4 Bxd4 10. c3 Bc5
1968 It Buesum GER – Round 10 – Musil, Vojko – 1-0 – Medina-Garcia, Antonio – G46 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. a4 Qf6 7. Qe2 Nge7 8. a5 Nd4 9. Nxd4 Bxd4 10. c3 Be5
1968 Monte Carlo – Round 8 – Padevsky, Nikola – 1-0 – Letzelter, Jean-Claude – G52 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. a4 Qh4 7. Qe2 Nf6 8. a5 Nd4 9. Nxd4 Bxd4 10. Ra4 Bc5
1968 Netanya-B – Round 9 – Nabaei, Arta – 1/2-1/2 – Westerinen, Heikki M.J. – G11 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. a4 Qf6 7. Qe2 Nge7 8. a5 Nd4 9. Nxd4 Bxd4 10. c3 Be5
1968 SWE Ch – Round 13 – Skold, Kristian – 1/2-1/2 – Olsson, Ake – G55 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. a4 Qh4 7. Qe2 Nf6 8. N1d2 Nb4 9. g3 Qg4 10. Qc4 a5
1968 WchT U26 15. fin-B – Round 7 – Levy, David N L – 0-1 – McGrillen, Hugh – G28 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. a4 a5 7. Nc3 d6 8. Bb5 Be6 9. Nd5 Ne7 10. Bg5 f6
1968 Yugoslavia – Round 1 – Lekovic D – 1/2-1/2 – Karaklajic, Nikola – G18 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. a4 Qf6 7. Qe2 Nge7 8. a5 Nd4 9. Nxd4 Bxd4 10. c3 Be5
1969 Corr – Round ? – Johansson, Martin 1979 – 1/2-1/2 – Jonsson Birger – G17 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. a4 a5 7. Nc3 Qf6 8. Qe2 Nge7 9. Be3 Nb4 10. O-O-O O-O
1969 Luhacovice – Round 1 – Beni, Alfred – 0-1 – Blatny, Frantisek – G16 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. a4 Nf6 7. a5 Nxa5 8. Nxa5 Nxe4 9. Bd3 Qh4 10. Qe2 Bxf2+
1969 Raach zt – Round 1 – Radulov, Ivan – 1-0 – Westerinen, Heikki M.J. – G21 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. a4 a5 7. Nc3 Nge7 8. Bg5 f6 9. Bh4 O-O 10. Qd2 d6
1969 Tallinn – Round ? – Damjanovic, Mato – 0-1 – Barcza, Gedeon – G18 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. a4 Qf6 7. Qe2 Nge7 8. a5 Nd4 9. Nxd4 Bxd4 10. c3 Bc5
1969 Tallinn – Round 1 – Arulaid, Alexander – 1-0 – Barcza, Gedeon – G8 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. a4 Qf6 7. Qe2 Nd4 8. Nxd4 Bxd4 9. c3 Bc5 10. e5 Qc6

Fin du contenu

Aucune page supplémentaire à charger

Articles plus anciens →