A25r — English: Closed, Troeger, 5.d3

1.c4 e5 2.Nc3 Nc6 3.g3 d6 4.Bg2 Be6 5.d3 * ● Trait aux Noirs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : case forte e4, case forte b5, case forte d5, Bg2 actif, paire de fous.
Faiblesses adverses : Bf8 enfermé, roi noir au centre.
Problèmes : roi au centre, Bc1 enfermé, 4 pièces non développées (G1, C1, A1, H1).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● Nf3 — Développer Ng1
● Be3 — Développer Bc1

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : case forte d4, case forte e5, avant-poste d4(C), Be6 actif, paire de fous.
Faiblesses adverses : Bc1 enfermé, roi blanc au centre.
Problèmes : roi au centre, Bf8 enfermé, 4 pièces non développées (G8, F8, A8, H8).
Plans :
● O-O — Mettre le roi en sécurité, connecter les tours
● ...Nf6 — Développer Ng8
● ...Be7 — Développer Bf8
● ...d5 — Rupture
● ...e4 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

A25r — Closed Troeger

1.c4 e5 2.Nc3 Nc6 3.g3 d6 4.Bg2 Be6 5.d3

Eval: [+0.46]

Les coups candidats

5…Qd7 — 82.7% (1258 parties)

Ambassadeurs : Ljubojevic, Ljubomir (13x), Ledger, Dave J (13x), Jirka, Jiri (13x), Short, Nigel D (13x), Kupreichik, Viktor D (11x), Delemarre, Isabel (8x), Hunt, Harriet V (8x), Reprintsev, Alexander (7x)

5…g6 — 8.2% (125 parties)

Ambassadeurs : Popovych, Orest (3x), Kabir, Rezaul (3x), Rind, Bruce (2x), Jurkiewicz, Krzysztof (2x), Reschke, Thomas (2x), Lutz, Astrid (2x), Schmidt, Oliver (2x), Carlstedt, Jonathan (2x)

5…Be7 — 2.4% (36 parties)

Ambassadeurs : Carls, Carl (1x), Van Der Berg Zander (1x), Burca, A. de (1x), Blau, Max (1x), Antze, Oskar (1x), Zander, Otto (1x), Andrade Herrera, Fernando Alfonso (1x), Bahena Figueroa, Eder (1x)

5…f5 — 2.2% (33 parties)

Ambassadeurs : Hoffmann, Sebastian (2x), Langschmidt, Dirk (1x), Kussin, K (1x), Pfleger, Helmut, Dr. (1x), Balinas, Rosendo C (1x), Sunye Neto, Jaime (1x), Kupreichik, Viktor D (1x), Walther, Jakob (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5…Qd7	5…g6	5…Be7	5…f5
<1800	36	81%	11%	—	—
1800-2200	566	76%	13%	4%	4%
2200-2600	634	92%	5%	0%	1%
2600+	10	90%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	5…Qd7	5…g6	5…Be7	5…f5
1920s	3	33%	—	67%	—
1930s	1	100%	—	—	—
1940s	1	—	—	100%	—
1950s	5	40%	—	—	—
1960s	28	82%	4%	4%	—
1970s	41	85%	12%	—	2%
1980s	114	83%	7%	1%	4%
1990s	329	85%	5%	3%	2%
2000s	459	80%	10%	3%	3%
2010s	480	83%	9%	2%	2%
2020s	61	87%	10%	2%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5…Qd7	83%	87%	▲ +4.0%
5…g6	9%	10%	▲ +0.9%
5…Be7	2%	2%	-0.2%
5…f5	2%	0%	▼ -1.7%

Joueurs célèbres

Champions du monde dans cette position

Gukesh D — 3 parties
Botvinnik, Mikhail — 2 parties
Smyslov, Vladimir — 1 partie
Kasparov, Garry — 1 partie

Parties historiques

5…Qd7 — 82.7% (1258 parties)

1926 — Van den Bosch, Johannes vs Loman, Rudolf — 1/2-1/2 — The Hague NED
1933 — Dake, Arthur William vs Fine, Reuben — 1-0 — New York, NY USA
1956 — Mednis, Edmar J vs Bernstein, Sidney — 1-0 — New York, NY USA
1957 — Heinrich Georg vs Troeger, Paul — 1-0 — Neustadt an der Weinstrasse
1961 — Haag, Ervin vs Barcza, Gedeon — 0-1 — Budapest ch-HUN

5…g6 — 8.2% (125 parties)

1968 — Petrosian, Tigran A. vs Estrin, Yakov — 1-0 — Moscow RUS
1972 — Koploy, Paul vs Martinowsky, Eugene — 1/2-1/2 — Lone Pine, CA USA
1974 — Chellstorp, Craig vs Hort, Vlastimil — 0-1 — New York, NY USA
1978 — Holfelder, Hans-Joachim vs Gerusel, Mathias — 1-0 — Germany West
1978 — Iliev Ivanov, Andrey vs Kupreichik, Viktor D — 0-1 — Ashkhabad

5…Be7 — 2.4% (36 parties)

1922 — Carls, Carl vs Van Der Berg Zander — 1-0 — Bad Oeynhausen GER
1922 — Antze, Oskar vs Zander, Otto — 1-0 — Bad Oeynhausen GER
1946 — Burca, A. de vs Blau, Max — 0-1 — CCOL1 prel3-03
1963 — Andrade Herrera, Fernando Alfonso vs Bahena Figueroa, Eder — 0-1 — Buenos Aires ch-ARG
1987 — Studzinsky, D. vs Dille, J. — 1-0 — corr EU/M/GT

5…f5 — 2.2% (33 parties)

1975 — Pfleger, Helmut, Dr. vs Balinas, Rosendo C — 1-0 — Manila PHI
1984 — Sunye Neto, Jaime vs Kupreichik, Viktor D — 1/2-1/2 — Barcelona ESP
1984 — De Wit, Patricia vs Boll, Peter — 0-1 — Den Bosch
1987 — Langschmidt, Dirk vs Kussin, K — 1-0 — corr BdF
1988 — Walther, Jakob vs Poenisch, Eckehard — 0-1 — corr EU/M/GT

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	● e2→d3, f2→g3, h2→g3, d3→c4	● d6→e5, c7→d6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e4 (3v0), ● b5 (2v0), ● d5 (3v1)	● d4 (2v0), ● e5 (2v0)
Cases faibles	—	—
Centre	● d5 (3v1), ● e4 (3v0)	● d4 (2v0), ● e5 (2v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bg2	● Bg2 Actif (mob. 6)
Be6		● Be6 Actif (mob. 7)
Bf8		● Bf8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Non développées	4 (g1, c1, a1, h1)	4 (g8, 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	● c4-c5, ● d3-d4, ● e2-e3, ● f2-f3	● …d6-d5, ● …e5-e4, ● …f7-f6, ● …f7-f5

Partie
1922 Bad Oeynhausen – Round 6 – Carls, Carl – 1-0 – Van Der Berg Zander – G14 1. c4 e5 2. Nc3 Nc6 3. g3 d6 4. Bg2 Be6 5. d3 Be7 6. e3 Qd7 7. Nd5 Nd8 8. e4 c6 9. Ne3 Bf6 10. Bd2 Ne7
1933 New York – Round 1 – Dake, Arthur William – 1-0 – Fine, Reuben – G1 1. c4 e5 2. Nc3 Nc6 3. g3 d6 4. Bg2 Be6 5. d3 Qd7 6. f4 f6 7. Nf3 Nge7 8. e4 Bh3 9. O-O Bxg2 10. Kxg2 h5
1956 New York Rosenwald – Round ? – Mednis, Edmar J – 1-0 – Bernstein, Sidney – G2 1. c4 Nc6 2. Nc3 e5 3. g3 d6 4. Bg2 Be6 5. d3 Qd7 6. h3 Be7 7. e3 Nf6 8. e4 Rb8 9. Nge2 a6 10. Be3 Bd8
1958 Munich olm fin-A – Round 6 – Filip, Miroslav – 1-0 – Troeger, Paul – G50 1. c4 e5 2. Nc3 Nc6 3. g3 d6 4. Bg2 Be6 5. d3 Nge7 6. Nf3 f6 7. O-O Qd7 8. Qa4 h5 9. h4 Nf5 10. Bd2 Be7
1961 Budapest ch-HUN – Round 1 – Haag, Ervin – 0-1 – Barcza, Gedeon – G2 1. c4 e5 2. g3 d6 3. Bg2 Nc6 4. Nc3 Be6 5. d3 Qd7 6. Rb1 Nge7 7. b4 d5 8. b5 Nd8 9. Nf3 dxc4 10. O-O cxd3
1961 CAN Ch – Round 1 – Vranesic, Zvonko – 1-0 – Grimshaw, David – G1 1. c4 e5 2. d3 d6 3. Nc3 Nc6 4. g3 Be6 5. Bg2 Qd7 6. e3 g6 7. Rb1 Nge7 8. Nd5 Bxd5 9. cxd5 Nb4 10. e4 Qb5
1961 FRG Ch – Round 6 – Kestler, Hans-Guenther – 0-1 – Troeger, Paul – G7 1. c4 e5 2. Nc3 Nc6 3. g3 d6 4. Bg2 Be6 5. d3 Nge7 6. Nd5 Qd7 7. e3 Nd8 8. Ne2 c6 9. Nxe7 Bxe7 10. O-O h5
1961 Moskou – Round 1 – Bannik, Anatolij – 1/2-1/2 – Smyslov, Vladimir – G5 1. c4 e5 2. Nc3 Nc6 3. g3 d6 4. Bg2 Be6 5. d3 Qd7 6. h3 g6 7. Nf3 h6 8. Nd5 Bg7 9. e4 Nge7 10. Bd2 f5
1962 Stockholm Interzonal – Round 20 – Bertok, Mario Jr. – 1/2-1/2 – Barcza, Gedeon – G175 1. c4 e5 2. Nc3 d6 3. g3 Nc6 4. Bg2 Be6 5. d3 Qd7 6. Rb1 Nge7 7. e4 Nd4 8. Be3 g6 9. Nd5 Bg7 10. Bxd4 exd4
1963 Buenos Aires ch-ARG – Round 16 – Aguayo Cruz, Ramon Uriel – 1-0 – Kampelmacher – G77 1. c4 e5 2. Nc3 Nc6 3. g3 d6 4. Bg2 Be6 5. d3 Qd7 6. Bd2 h5 7. h4 Be7 8. Nf3 Nd4 9. Nxd4 exd4 10. Nb5 c5
1963 Buenos Aires ch-ARG – Round 4 – Aguayo Cruz, Ramon Uriel – 1-0 – Bahena Figueroa, Eder – G29 1. c4 Nc6 2. Nc3 e5 3. g3 d6 4. Bg2 Be6 5. d3 Qd7 6. Bd2 Be7 7. Nd5 Nf6 8. e3 Bd8 9. b4 Bxd5 10. cxd5 Ne7
1963 FRG Ch Bad Pyrmont GER – Round 9 – Wolk, Sigmund – 0-1 – Troeger, Paul – G15 1. c4 e5 2. Nc3 Nc6 3. g3 d6 4. Bg2 Be6 5. d3 Nge7 6. Nf3 Qc8 7. Ng5 Bd7 8. c5 dxc5 9. Qb3 Nd8 10. f4 f6
1966 Buenos Aires ch-ARG – Round 7 – Acosta Garcia, Rafael Isaac – 1/2-1/2 – Bahena Figueroa, Eder – G22 1. c4 Nc6 2. Nc3 e5 3. g3 d6 4. Bg2 Be6 5. d3 Qd7 6. b4 g6 7. b5 Nd8 8. Rb1 Bg7 9. Nd5 h6 10. Qa4 a5
1966 Hungary – Round 1 – Barcza, Gedeon – 1/2-1/2 – Csom, Istvan – G97 1. g3 e5 2. c4 Nc6 3. Bg2 d6 4. Nc3 Be6 5. d3 Qd7 6. Qa4 Nge7 7. Bd2 Nc8 8. b4 Be7 9. Qb3 O-O 10. Nf3 Bh3
1966 Reggio Emilia ITA – Round 11 – Capece, Adolivio – 0-1 – Buljovcic, Ivan – G16 1. c4 e5 2. Nc3 Nc6 3. g3 d6 4. Bg2 Be6 5. d3 Qd7 6. b4 g6 7. b5 Nd8 8. Rb1 Bg7 9. h3 Ne7 10. Nf3 h6
1966 Student Olympiad fA – Round 8 – Ree, Hans – 1-0 – Radulov, Ivan – G9 1. c4 e5 2. Nc3 Nc6 3. g3 d6 4. Bg2 Be6 5. d3 Qd7 6. Rb1 g6 7. b4 Bg7 8. Nd5 Nd8 9. b5 c6 10. bxc6 bxc6
1967 Hoogovens-B – Round 7 – Van Wijngaarden, Fedde – 0-1 – Enevoldsen, Jens – G18 1. c4 e5 2. Nc3 Nc6 3. g3 d6 4. Bg2 Be6 5. d3 Qd7 6. Rb1 g6 7. Qb3 Nd8 8. h4 h6 9. Bd2 Bg7 10. Qa3 Ne7
1967 IBM – Round 4 – Portisch, Lajos – 1/2-1/2 – Enevoldsen, Jens – G17 1. c4 e5 2. Nc3 Nc6 3. g3 d6 4. Bg2 Be6 5. d3 Qd7 6. Rb1 Nge7 7. b4 d5 8. b5 Nd8 9. Nf3 dxc4 10. dxc4 Qxd1+
1967 IBM – Round 9 – Kotov Lundqvist, Alex – 1-0 – Enevoldsen, Jens – G31 1. c4 e5 2. Nc3 Nc6 3. g3 d6 4. Bg2 Be6 5. d3 Qd7 6. e4 g6 7. Be3 Bg7 8. Nd5 Nd8 9. Qb3 c6 10. Qa3 cxd5
1968 Moscow – Round 1 – Petrosian, Tigran A. – 1-0 – Estrin, Yakov – G2 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. Nc3 Be6 5. d3 g6 6. b4 Qd7 7. b5 Nd8 8. Nf3 Bg7 9. Ng5 e4 10. Bb2 exd3
1968 Skopje/Ohrid – Round 15 – Hort, Vlastimil – 1/2-1/2 – Ilievski, Dimitar – G121 1. c4 e5 2. Nc3 Nc6 3. g3 d6 4. Bg2 Be6 5. d3 Qd7 6. Rb1 g6 7. b4 Bg7 8. b5 Nd8 9. h4 h6 10. e4 Ne7
1969 FRG Team Ch – Round 3.2 – Soos, Bela – 1/2-1/2 – Troeger, Paul – G13 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. Nc3 Be6 5. d3 Qd7 6. Rb1 g6 7. b4 Bg7 8. b5 Nd8 9. Qb3 h6 10. e3 Ne7
1969 Moskou ch-URS – Round 1 – Liberzon, Vladimir M – 1-0 – Kupreichik, Viktor D – G5 1. c4 e5 2. Nc3 Nc6 3. g3 d6 4. Bg2 Be6 5. d3 Qd7 6. Rb1 g6 7. b4 Bg7 8. b5 Nd8 9. a4 Rc8 10. Ba3 f5
1969 Team match FRG-CSR – Round 1 – Augustin, Josef – 0-1 – Gerusel, Mathias – G2 1. c4 e5 2. Nc3 d6 3. g3 Nc6 4. Bg2 Be6 5. d3 Qd7 6. Rb1 a5 7. a3 Nd8 8. b4 axb4 9. axb4 c6 10. Na4 Qc7
42. Olympiad 2016 – Round 1.85 – Stachanczyk, Jacek – 0-1 – Short, Nigel D – G70 1. c4 e5 2. g3 d6 3. Nc3 Be6 4. Bg2 Nc6 5. d3 Qd7 6. Nf3 h6 7. O-O Nf6 8. e4 Be7 9. Nd5 O-O 10. Rb1 a5
Interpolis 1981 – Round 1 – Huebner, Robert – 0-1 – Ljubojevic, Ljubomir – G4 1. c4 e5 2. Nc3 Nc6 3. g3 d6 4. Bg2 Be6 5. d3 Qd7 6. Nf3 Bh3 7. Bxh3 Qxh3 8. Nd5 Qd7 9. O-O Nd8 10. d4 e4
Malta ol (Men) 1980 – Round 1 – Portisch, Lajos – 1/2-1/2 – Ljubojevic, Ljubomir – G3 1. c4 e5 2. Nc3 Nc6 3. g3 d6 4. Bg2 Be6 5. d3 Qd7 6. Nd5 Nge7 7. Qa4 Rb8 8. Bd2 b5 9. cxb5 Bxd5 10. Bxd5 Nd4
World Blitz 2015 – Round 6.24 – Navara, David – 0-1 – Bartel, Mateusz – G357 1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. Nc3 Be6 5. d3 Qd7 6. b4 h5 7. b5 Nd8 8. Nf3 Be7 9. h4 Nh6 10. Ng5 Bg4
World Blitz 2017 – Round 10.26 – Adly, Ahmed – 0-1 – Short, Nigel D – G514 1. c4 e5 2. g3 d6 3. Bg2 Nc6 4. Nc3 Be6 5. d3 Qd7 6. f4 g6 7. fxe5 dxe5 8. Be3 Rd8 9. Nf3 h6 10. O-O Bg7

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