D47m — Semi-Slav: Meran, Wade, 9.a3

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 Bb7 9.a3 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité centre (2v1), case forte d4, case forte e4, case forte e5, Bd3 actif, paire de fous, colonne c.
Faiblesses adverses : arriéré c6, Bb7 enfermé, Bf8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, arriéré b2, 3 pièces non développées (C1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Bd2 — Développer Bc1
● Rc — Tour sur colonne c

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité aile_dame (3v2), case forte d5, avant-poste d5(C), paire de fous, colonne d.
Faiblesses adverses : arriéré b2, Bc1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bb7 enfermé, Bf8 enfermé, arriéré c6, 3 pièces non développées (F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Be7 — Développer Bf8
● ...Bg4 — Clouer Nf3
● ...c5 — Rupture
● ...e5 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

D47m — Meran Wade

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.e3 Nbd7 6.Bd3 dxc4 7.Bxc4 b5 8.Bd3 Bb7 9.a3

Eval: [+0.20]

Les coups candidats

9…Bd6 — 35.7% (436 parties)

Ambassadeurs : Pravec, Ladislav (23x), Szabo, Vilmos (8x), Dreev, Aleksey (7x), Shirov, Alexei (7x), Khenkin, Igor (5x), Pecka, Josef (4x), Gelfand, Boris (4x), Mueller-Alves, Martin (4x)

9…b4 — 34.4% (421 parties)

Ambassadeurs : Gelfand, Boris (12x), Dreev, Aleksey (10x), Kramnik, Vladimir (10x), Shirov, Alexei (8x), Karpov, Anatoly (7x), Bareev, Evgeny (6x), Anand, Viswanathan (6x), Novikov, Igor (5x)

9…a6 — 23.3% (285 parties)

Ambassadeurs : Pravec, Ladislav (6x), Forintos, Gyozo V (3x), Borda, Lajos (3x), Khasin, Abram (2x), Tukmakov, Vladimir B (2x), Lerner, Konstantin Z (2x), Collett, Peter (2x), Matei, Cornel (2x)

9…a5 — 4.4% (54 parties)

Ambassadeurs : Szily, Jozsef (2x), Paramos Dominguez, Roberto (2x), Casale Morrison, Bruno Eneas (1x), Schmidt, Hans Otto (1x), Furman, Semyon (1x), Nei, Iivo (1x), Kottnauer, Cenek (1x), Portisch, Lajos (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	9…Bd6	9…b4	9…a6	9…a5
<1800	22	18%	36%	23%	5%
1800-2200	353	34%	28%	31%	3%
2200-2600	609	41%	33%	20%	6%
2600+	110	34%	58%	7%	1%

Évolution par décennie (% des parties)

Décennie	N parties	9…Bd6	9…b4	9…a6	9…a5
1930s	1	—	—	—	100%
1950s	4	—	—	50%	50%
1960s	8	12%	—	75%	12%
1970s	5	20%	—	60%	20%
1980s	16	—	62%	19%	19%
1990s	175	6%	64%	23%	5%
2000s	347	22%	43%	27%	5%
2010s	540	51%	21%	23%	3%
2020s	127	55%	29%	11%	2%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
9…Bd6	51%	55%	▲ +3.8%
9…b4	21%	29%	▲ +8.4%
9…a6	23%	11%	▼ -11.8%
9…a5	3%	2%	▼ -0.6%

Joueurs célèbres

Champions du monde dans cette position

Kramnik, Vladimir — 10 parties
Anand, Viswanathan — 8 parties
Karpov, Anatoly — 7 parties
Ding, Liren — 4 parties
Karpov, Aleksandr — 3 parties
Carlsen, Magnus — 1 partie

Parties historiques

9…Bd6 — 35.7% (436 parties)

1961 — Gligorić, Svetozar vs Trifunovic, Petar — 1/2-1/2 — Bled SLO
1978 — Beliavsky, Alexander G vs Platonov, Igor V — 1-0 — Kiev UKR
1993 — Romo Carreno, Carlos vs Gil Capape, Javier — 0-1 — AUEQ5 TERUEL - OLIVA
1994 — Koniushkov, Igor vs Mukhametov, Eldar — 1-0 — St Petersburg RUS
1994 — Koniushkov, Igor vs Mukhametov, Eldar — 1-0 — St Petersburg RUS

9…b4 — 34.4% (421 parties)

1987 — Paehtz, Thomas vs Sveshnikov, K. — 0-1 — Varna BUL
1987 — Paehtz, Thomas vs Sveshnikov, Evgeny — 0-1 — Bulgaria
1988 — Vaganian, Rafael A vs Novikov, Igor — 0-1 — Tallinn EST
1988 — Basin, Leonid vs Savchenko, Stanislav — 1/2-1/2 — Simferopol UKR
1988 — Nogueiras Santiago, Jesus vs Chernin, Alexander — 0-1 — Madrid ESP

9…a6 — 23.3% (285 parties)

1952 — Teschner, Rudolf vs Mueller, Paul — 1-0 — Basel SUI
1955 — Gligorić, Svetozar vs Sanguineti, Raúl Carlos — 1-0 — Club Argentino de Ajedrez
1960 — Averbakh, Yuri L vs Nei, Iivo — 1/2-1/2 — Odessa UKR
1963 — Forintos, Gyozo V vs Barczay, Laszlo — 1/2-1/2 — Budapest HUN
1964 — Furman, Semyon vs Khasin, Abram — 0-1 — Ch URS (team) /2 final)

9…a5 — 4.4% (54 parties)

1933 — Casale Morrison, Bruno Eneas vs Schmidt, Hans Otto — 1-0 — Hastings, White Rock Pavilion
1952 — Kottnauer, Cenek vs Szily, Jozsef — 0-1 — Budapest HUN
1959 — Furman, Semyon vs Nei, Iivo — 1/2-1/2 — Tallinn EST
1962 — Portisch, Lajos vs Szily, Jozsef — 1/2-1/2 — Budapest HUN
1977 — Forintos, Gyozo V vs Supancic, Darko — 1-0 — Maribor

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	● b2	● c6
Chaînes	● b2→a3, f2→e3, e3→d4	● c6→b5, f7→e6
Passés	—	—
Majorité	● centre 2v1	● aile_dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● d4 (2v0), ● e4 (2v1), ● e5 (2v1)	● d5 (3v1)
Cases faibles	—	—
Centre	● d4 (2v0), ● e4 (2v1), ● e5 (2v1)	● d5 (3v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 1)
Bd3	● Bd3 Actif (mob. 10)
Bb7		● Bb7 Enfermé (mob. 2)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	3 (c1, a1, h1)	3 (f8, 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	● d4-d5, ● e3-e4	● …c6-c5, ● …e6-e5

Partie
1952 Budapest – Round 4 – Kottnauer, Cenek – 0-1 – Szily, Jozsef – G38 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 a5 10. Qe2 Be7
1955 Buenos Aires CA – Round 17 – Gligorić, Svetozar – 1-0 – Sanguineti, Raúl Carlos – G11 1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. Nf3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 a6 10. b4 Bd6
1961 Bled – Round 16 – Gligorić, Svetozar – 1/2-1/2 – Trifunovic, Petar – G141 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 Bd6 10. O-O O-O
1962 Hungary – Round 9 – Portisch, Lajos – 1/2-1/2 – Szily, Jozsef – G67 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 a5 10. O-O Be7
1963 Budapest Ch – Round 1 – Forintos, Gyozo V – 1/2-1/2 – Barczay, Laszlo – G2 1. c4 c6 2. d4 d5 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 a6 10. b4 a5
1964 URS Spartakiad – Round ? – Abramovich Furman, Semyon – 0-1 – Khasin, Abram – G12 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 a6 10. b4 Bd6
4. FIDE GP 2009 – Round 11 – Eljanov, Pavel – 1/2-1/2 – Leko, Peter – G52 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 Bd6 10. O-O O-O
78. Tata Steel GpA 2016 – Round 9.6 – Mamedyarov, Shakhriyar – 1/2-1/2 – Ding, Liren – G62 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 b4 10. Ne4 Nxe4
Advanced Chess Rapid Match 2007 – Round 1 – Kramnik, Vladimir – 1/2-1/2 – Anand, Viswanathan – G1 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 Bd6 10. O-O O-O
Amber Blindfold 2008 – Round 10 – Gelfand, Boris – 0-1 – Anand, Viswanathan – G36 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 Bd6 10. O-O O-O
Amber Rapidplay 2000 – Round 1 – Lautier, Joel – 1/2-1/2 – Shirov, Alexei – G1 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 Bd6 10. O-O O-O
Amber Rapidplay 2002 – Round 3 – Bareev, Evgeny – 0-1 – Ivanchuk, Vasyl – G11 1. c4 e6 2. Nc3 d5 3. d4 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 b4 10. Ne4 Nxe4
Amber Rapidplay 2002 – Round 7 – Gelfand, Boris – 1/2-1/2 – Shirov, Alexei – G10 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 b4 10. Ne4 c5
Amber-rapid 13th 2004 – Round 9 – Gelfand, Boris – 1-0 – Vallejo Pons, Francisco – G22 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 b4 10. Ne4 Nxe4
Biel Interzonal 1993 – Round 12 – Granda Zuniga, Julio E – 1-0 – Akopian, Vladimir – G261 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 b4 10. axb4 Bxb4
Biel Interzonal 1993 – Round 8 – Gelfand, Boris – 1-0 – Anand, Viswanathan – G4 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 b4 10. Ne4 Nxe4
Candidats Tournament Gp1 2002 – Round 1 – Gelfand, Boris – 1/2-1/2 – Shirov, Alexei – G1 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 Bd6 10. O-O O-O
Ch World (match) 2006 – Round 4 – Topalov, Veselin – 1/2-1/2 – Kramnik, Vladimir – G4 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 b4 10. Ne4 Nxe4
Ch World FIDE (final) 1998 – Round 8.3 – Karpov, Anatoly – 1/2-1/2 – Anand, Viswanathan – G2 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 b4 10. Ne4 Nxe4
Dortmund 1995 – Round 2 – Karpov, Anatoly – 1/2-1/2 – Kramnik, Vladimir – G6 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 b4 10. Ne4 Nxe4
Dortmund Sparkassen 1995 – Round 2 – Karpov, Anatoly – 1/2-1/2 – Kramnik, Vladimir – G1 1. c4 e6 2. Nf3 d5 3. d4 c6 4. e3 Nf6 5. Nc3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 b4 10. Ne4 Nxe4
EU-Cup 24th 2008 – Round 5 – Georgiev, Kiril – 1/2-1/2 – Shirov, Alexei – G58 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 Bd6 10. O-O O-O
FIDE WCh KO 2001 – Round 1.2 – Supatashvili, Khvicha – 0-1 – Dreev, Aleksey – G67 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 Bd6 10. b4 a5
FIDE World Cup 2017 – Round 4.1 – Wang, Hao(ZJWZ) – 1/2-1/2 – Ding, Liren – G371 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 b4 10. axb4 Bxb4
Grand Slam Final 2008 – Round 10 – Topalov, Veselin – 1-0 – Ivanchuk, Vasyl – G20 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 Bd6 10. O-O O-O
Grand Slam Final 2008 – Round 6 – Carlsen, Magnus – 1-0 – Aronian, Levon – G12 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 b4 10. Ne4 Nxe4
Linares 1993 – Round 1 – Gelfand, Boris – 1/2-1/2 – Bareev, Evgeny – G1 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 b4 10. Ne4 Nxe4
Linares 1994 – Round 5 – Bareev, Evgeny – 1/2-1/2 – Kramnik, Vladimir – G25 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 b4 10. Ne4 Nxe4
Linares 1994 – Round 9 – Karpov, Anatoly – 1/2-1/2 – Shirov, Alexei – G10 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 b4 10. Ne4 a5
Moscow RUS 1992 – Round ? – Karpov, Anatoly – 0-1 – Anand, Viswanathan – G2 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 b4 10. Ne4 a5
Moscow RUS 1992 – Round 3 – Karpov, Anatoly – 0-1 – Anand, Viswanathan – G1 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 b4 10. Ne4 a5
PCA Qualifiers 1993 – Round 6 – Chernin, Alexander – 1/2-1/2 – Akopian, Vladimir – G100 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 b4 10. Ne4 a5
PCA/Intel-GP 1994 – Round 3 – Ivanchuk, Vasyl – 1/2-1/2 – Kramnik, Vladimir – G25 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 b4 10. Ne4 Nxe4
RUS vs. ROW 2002 – Round 2 – Gelfand, Boris – 0-1 – Bareev, Evgeny – G10 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 b4 10. Ne4 Nxe4
SportAccord Blitz Men 2013 – Round 30.1 – Aronian, Levon – 1/2-1/2 – Mamedyarov, Shakhriyar – G230 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 b4 10. Ne4 Nxe4
Tal Memorial 2008 – Round 1 – Kramnik, Vladimir – 1-0 – Shirov, Alexei – G1 1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 b4 10. Ne4 Nxe4
WCh 2007 – Round 13 – Gelfand, Boris – 1/2-1/2 – Kramnik, Vladimir – G33 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 b4 10. Ne4 Nxe4
World Blitz 2007 – Round 26 – Grischuk, Alexander – 1-0 – Kasimdzhanov, Rustam – G248 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 a6 10. b4 a5

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