Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● b2→c3, d3→e4	● a6→b5, d6→e5, c7→d6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d5 (2v1), ● g5 (2v0)	—
Cases faibles	—	—
Centre	● d5 (2v1), ● e4 (2v1)	● e5 (2v1)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bb3	● Bb3 Actif (mob. 6)
Bb7		● Bb7 Ok (mob. 1)
Be7		● Be7 Ok (mob. 0)
Paire de fous	● Oui	● Oui
Clouages	—	● pawn f7
Non développées	3 (● b1, ● c1, ● a1)	1 (● a8)

Sécurité du roi

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

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	fermé
Ruptures	● c3-c4, ● d3-d4	● …d6-d5

C88p — Spanish: Closed, Anti-Marshall 8.a4 Bb7 9.d3 d6 10.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.a4 Bb7 9.d3 d6 10.c3 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Bc2 (Anticiper ...Na5 — 41 % des parties) ; Nbd2 (Développer b1 — 16 % des parties) ; Ba2 (Clouer f7, Fou actif (mobilité 5) — 11 % des parties) ; d4 (Occuper le centre — 9 % des parties) ; axb5 (Capture en b5, Expansion aile dame — 7 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Na5 (Attaquer Bb3 — 48 % des parties) ; ...Nd7 (29 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1954 Liberation – Round 17 – Joppen, Ernst – 1/2-1/2 – Ivkov, Borislav – G35 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4 Bb7 9. d3 d6 10. c3 Nd7
1955 Hoechst ch-GER – Round 1 – Niephaus, Walter – 1/2-1/2 – Wolk, Sigmund – G49 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4 Bb7 9. d3 d6 10. c3 Nb8
1960 Leipzig olm fin-B – Round 7 – Letelier Martner, Rene – 1-0 – Jimenez Zerquera, Eleazar – G95 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Be7 7. Re1 O-O 8. a4 Bb7 9. d3 d6 10. c3 Na5
1961 Mar del Plata – Round 11 – Quinones Carrillo, Oscar – 0-1 – Reinhardt, Enrique – G98 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4 Bb7 9. d3 d6 10. c3 d5
1963 Bad Liebenstein – Round 4 – Damjanovic, Mato – 1-0 – Szily, Jozsef – G26 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4 Bb7 9. d3 d6 10. c3 Na5
1963 URS Team Ch – Round 1 – Kholmov, Ratmir D – 1-0 – Zakharian, Vanik – G18 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4 Bb7 9. d3 d6 10. c3 Na5
1964 It Detmold GER – Round 5 – Bialas, Wolfram – 1-0 – Clemens, Christian, Dr. – 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. a4 Bb7 9. d3 d6 10. c3 Nd7
1965 Berlin tt – Round 2 – Hindle, Owen M – 1/2-1/2 – Pfleger, Helmut, Dr. – G14 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4 Bb7 9. d3 d6 10. c3 Na5
1966 La Habana olm fin-B – Round 2 – Kinnmark, Ove – 0-1 – Glauser, Hansruediger – G40 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 d6 8. c3 O-O 9. a4 Bb7 10. Re1 Nd7
1966 New York ch-USA – Round 10 – Sherwin, James T – 1/2-1/2 – Bisguier, Arthur B – G52 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4 Bb7 9. d3 d6 10. c3 Na5
1967 Debrecen – Round ? – Fuchs, Reinhart – 0-1 – Bokor, Istvan – G13 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4 Bb7 9. d3 d6 10. c3 Na5
1967 Sweden (ch) – Round 5 – Johansson, Martin 1979 – 1/2-1/2 – Santesson Kjell – G26 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4 Bb7 9. d3 d6 10. c3 Na5
1968 Hungary – Round 1 – Haag, Ervin – 1/2-1/2 – Adorjan, Andras – G119 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4 Bb7 9. d3 d6 10. c3 Nb8
1968 Sweden (ch) – Round 2 – Johansson, Martin 1979 – 1-0 – Nilsson, Zandor – G7 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4 Bb7 9. d3 d6 10. c3 h6
1969 Sweden – Round 1 – Bech Johansson, Amadeus – 1-0 – Skold, Kristian – G8 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4 Bb7 9. d3 d6 10. c3 Nd7
1969 Sweden – Round 1 – Kinnmark, Ove – 1/2-1/2 – Andersson, Ulf 1949 – 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. a4 Bb7 9. d3 d6 10. c3 Nd7
1973 Leningrad Interzonal – Round 3 – Huebner, Robert – 1/2-1/2 – Kuzmin, Gennadi – G119 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4 Bb7 9. d3 d6 10. c3 Nd7
34. ECC Open 2018 – Round 7.4 – Ding, Liren – 1-0 – Efimenko, Zahar – G222 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4 Bb7 9. d3 d6 10. c3 Qd7
84. Tata Steel Masters 2022 – Round 4.5 – Caruana, Fabiano – 1/2-1/2 – Dubov, Daniil – G26 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4 Bb7 9. d3 d6 10. c3 Na5
Cap d'Agde 1994 – Round 1 – Topalov, Veselin – 1-0 – Xu, Jun(SD) – G5 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4 Bb7 9. d3 d6 10. c3 Na5
FIDE-Wch k.o. 1997 – Round 2.1 – Nijboer, Friso – 0-1 – Khalifman, Alexander – G72 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4 Bb7 9. d3 d6 10. c3 Nb8
Hoogovens 1996 – Round 1 – Leko, Peter – 1/2-1/2 – Adams, Michael – 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. a4 Bb7 9. d3 d6 10. c3 Na5
Hoogovens, Wijk aan 1998 – Round 4 – Nijboer, Friso – 0-1 – Adams, Michael – G2 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4 Bb7 9. d3 d6 10. c3 h6

C88p — Closed, Anti-Marshall 8.a4 Bb7 9.d3 d6 10.c3 (1954)

1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.a4 Bb7 9.d3 d6 10.c3

Les coups candidats

10…Na5 — 62.2% (563 parties)

Ambassadeurs : Adams, Michael (8x), Kupreichik, Viktor D (4x), Kholmov, Ratmir D (4x), Emms, John M (4x), Ochsner, Thomas (3x), Onischuk, Alexander (3x), Palac, Mladen (3x), Dolezal, Radoslav (3x)

10…Nd7 — 11.6% (105 parties)

Ambassadeurs : Blatny, Pavel (3x), Kinnmark, Ove (2x), Kuebler, Alexander (2x), Sax, Gyula (2x), Boukal, Petr (2x), Allahverdiyev, Anar (2x), Urkedal, Frode Olav Olsen (2x), Johansson, Martin 1979 (1x)

10…Nb8 — 7.8% (71 parties)

Ambassadeurs : Balashov, Yuri (2x), Menghi, Carlo (2x), Niephaus, Walter (1x), Wolk, Sigmund (1x), Haag, Ervin (1x), Adorjan, Alex (1x), Zarate, Jorge (1x), Emma, Jaime (1x)

10…h6 — 5.6% (51 parties)

Ambassadeurs : Hebden, Mark L (3x), Adams, Michael (2x), Marczell, Peter Ing (2x), Johansson, Martin 1979 (1x), Nilsson, Zandor (1x), Sax, Gyula (1x), Djuric, Stefan (1x), Kuebler Alfred (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10…Na5	10…Nd7	10…Nb8	10…h6
<1800	37	59%	14%	11%	—
1800-2200	363	64%	10%	9%	5%
2200-2600	371	64%	11%	8%	6%
2600+	20	60%	5%	15%	5%

Évolution par décennie (% des parties)

Décennie	N parties	10…Na5	10…Nd7	10…Nb8	10…h6
1950s	2	—	50%	50%	—
1960s	25	52%	32%	4%	4%
1970s	16	44%	31%	6%	6%
1980s	42	50%	26%	—	5%
1990s	237	59%	14%	8%	5%
2000s	227	61%	8%	7%	7%
2010s	207	65%	8%	10%	6%
2020s	149	72%	8%	7%	3%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10…Na5	65%	72%	▲ +6.6%
10…Nd7	8%	8%	-0.2%
10…Nb8	10%	7%	▼ -2.8%
10…h6	6%	3%	▼ -2.4%

Joueurs célèbres

Champions du monde dans cette position

Hou, Yifan — 1 partie
Ding, Liren — 1 partie

Parties historiques

10…Na5 — 62.2% (563 parties)

1960 — Letelier Martner, Rene vs Jimenez Zerquera, Eleazar — 1-0 — Leipzig GER
1963 — Kholmov, Ratmir D vs Zakharian, Vanik — 1-0 — Moscow RUS
1963 — Holusa, Radomir vs Zakharian, Vanik — 1-0 — Moscow RUS
1963 — Ellrich, Paul vs Fahnenschmidt, Gerhard — 0-1 — It Hamburg GER
1963 — Damjanovic, Mato vs Szily, Jozsef — 1-0 — Bad Liebenstein GER

10…Nd7 — 11.6% (105 parties)

1954 — Joppen, Ernst vs Ivkov, Borislav — 1/2-1/2 — Belgrade SRB
1960 — Nezhmetdinov, Rashid vs Yudovich, Mikhail Jr — 1/2-1/2 — Perm RUS
1964 — Bialas, Wolfram vs Clemens, Christian, Dr. — 1-0 — It Detmold GER
1964 — Schrancz, Istvan vs Ov ri, M — 1-0 — cr ch HUN sf
1966 — Kinnmark, Ove vs Glauser, Hansruediger — 0-1 — Havana CUB

10…Nb8 — 7.8% (71 parties)

1955 — Niephaus, Walter vs Wolk, Sigmund — 1/2-1/2 — Hoechst ch-GER
1968 — Haag, Ervin vs Adorjan, Alex — 1/2-1/2 — HUN
1972 — Zarate, Jorge vs Emma, Jaime — 1/2-1/2 — Zarate op
1990 — St. Pierre, Benoit vs De Jonge, Arie — 1-0 — Montreal CAN
1990 — Felicio, Fernando vs Raja Sarran — 0-1 — corr EU-USA Cup

10…h6 — 5.6% (51 parties)

1968 — Johansson, Martin 1979 vs Nilsson, Zandor — 1-0 — Sweden (ch)
1978 — Kuebler Alfred vs Kranzl, Alfred — 1-0 — ?
1981 — Zukerfeld, Andres vs Wehbe, Ricardo — 1-0 — Moron
1985 — Sax, Gyula vs Djuric, Stefan — 1/2-1/2 — Szirak
1991 — Kholmov, Ratmir D vs Geller, Efim P. — 1/2-1/2 — Moscow RUS

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