Base Masters : Blancs 33.5%, Nulles 40.0%, Noirs 26.5%.
Coups candidats
4…d5  (43.0% — Blancs: 32.8% | Nulles: 41.9% | Noirs: 25.2%)
4…d6  (16.8% — Blancs: 30.8% | Nulles: 40.6% | Noirs: 28.6%)
4…Be7  (15.5% — Blancs: 37.4% | Nulles: 48.0% | Noirs: 14.6%)
4…g6  (15.4% — Blancs: 27.0% | Nulles: 34.4% | Noirs: 38.5%)
4…Bc5  (4.7% — Blancs: 40.5% | Nulles: 32.4% | Noirs: 27.0%)
4…Bd6  (1.8% — Blancs: 57.1% | Nulles: 7.1% | Noirs: 35.7%)
auto
Analyse coup par coup — 7 demi-coups commentés
1.e4 Avancée centrale — contrôle d5, f5. Prépare d4, f4, Bc4, Bd3.
1…e5 Avancée centrale — contrôle d4, f4. Prépare d5, f5, Bc5.
2.Nf3 Contrôle c4, d4, d5, e5.
2…Nc6 Contrôle d4, f4, c5.
3.Nc3 Contrôle c4, d4, d5, e5.
3…Nf6 Contrôle d4, e4, f4, c5.
4.a3 Coup prophylactique — empêche Nb4, Bb4. Prépare b4.
Structure de pions
♔ Blancs ♚ Noirs
Pions doublés
Pions isolés
Arriérés
Chaînes ● b2→a3
Passés
Majorité
Cases
♔ Blancs ♚ Noirs
Cases fortes ● b5 (2v0), ● d5 (2v1) ● d4 (2v1)
Cases faibles
Centre ● d5 (2v1) ● d4 (2v1)
Colonnes et diagonales
♔ Blancs ♚ Noirs
Pièces
♔ Blancs ♚ Noirs
Bc1 ● Bc1 Non développé (mob. 0)
Bf1 ● Bf1 Non développé (mob. 5)
Bc8 ● Bc8 Non développé (mob. 0)
Bf8 ● Bf8 Non développé (mob. 5)
Paire de fous ● Oui ● Oui
Non développées 4 (● c1, ● f1, ● a1, ● h1) 4 (● c8, ● 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 fermé
Ruptures ● d2-d4 ● …d7-d5

C47 — Four Knights Game: Gunsberg Variation

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3   ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1
bR
bB
bQ
bK
bB
bR
bP
bP
bP
bP
bP
bP
bP
bN
bN
Case forte (2v0)
Case forte (2v1)
bPPion sous pression
wPPion central
wP
wN
wN
wP
wP
wP
wP
wP
wP
wR
wB
wQ
wK
wBFou actif — mobilité 5
wR
abcdefgh
Plans. d4 (Occuper le centre — 27 % des parties) ; Bc4 (Fou actif (mobilité 10), Développer f1 — 20 % des parties) ; Bb5 (Clouer c6, Fou actif (mobilité 7), Développer f1 — 15 % des parties) ; h3 (Empêcher ...Bg4 — 10 % des parties) ; Nxe5 (Cavalier centralisé en e5 — 7 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8
wR
wB
wK
wQ
wB
wR
wP
wP
wP
wP
wP
wP
wN
wN
wP
wP
Case forte (2v1)
bPPion sous pression
bN
bN
bP
bP
bP
bP
bP
bP
bP
bR
bBFou actif — mobilité 5
bK
bQ
bB
bR
hgfedcba
Plans. ...d5 (Occuper le centre — 22 % des parties) ; ...Bc5 (Fou actif (mobilité 9), Développer f8 — 20 % des parties) ; ...d6 (Libérer Bc8 — 19 % des parties) ; ...Be7 (Fou actif (mobilité 5), Développer f8 — 19 % des parties) ; ...a6 (Préparer expansion aile dame — 11 % des parties).
Avantages
Faiblesses
Diagonale active
Plans
Partie
1906 DSB-15.Kongress – Round 5 – Tarrasch, Siegbert – 1/2-1/2 – Důras, Oldřich – G29
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 Bc5 5. Nxe5 O-O 6. Be2 Nd4 7. Nf3 Re8 8. O-O Nxe4 9. Nxd4 Bxd4 10. Nxe4 Rxe4
1910 DSB-17.Kongress – Round 14 – Speijer, Abraham – 1-0 – Leonhardt, Paul – G90
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 Be7 5. d4 exd4 6. Nxd4 O-O 7. Be3 d5 8. exd5 Nxd5 9. Nxc6 bxc6 10. Nxd5 cxd5
1910 DSB-17.Kongress – Round 16 – Tarrasch, Siegbert – 1/2-1/2 – Forgacs, Leo – G101
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 Be7 5. d4 d6 6. Bb5 Bd7 7. Bxc6 Bxc6 8. Qd3 Nd7 9. Be3 exd4 10. Nxd4 O-O
1912 Temesvary – Round 1 – Sterk, Karoly – 1-0 – Mayer Prieto, Rodolfo – G43
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 Be7 5. Bb5 d6 6. d4 exd4 7. Nxd4 Bd7 8. O-O O-O 9. Bxc6 bxc6 10. Qd3 c5
1928 Trebitsch mem12 – Round 2 – Tartakower, Savielly – 1/2-1/2 – Gruenfeld, Ernst – G3
1. e4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. a3 d5 5. exd5 Nxd5 6. Bb5 Nxc3 7. bxc3 Bd6 8. d4 exd4 9. cxd4 O-O 10. O-O Bg4
1931 Bled – Round 17 – Nimzowitsch, Aron – 0-1 – Kashdan, Isaac – G145
1. e4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. a3 d6 5. Bc4 Nxe4 6. Nxe4 d5 7. Bd3 dxe4 8. Bxe4 Bd6 9. d4 exd4 10. Bxc6+ bxc6
1954 CSR Ch sf – Round 10 – Blatny, Frantisek – 1/2-1/2 – Altschul, Milos – G43
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 Be7 5. Bb5 O-O 6. O-O d6 7. d4 Nd7 8. Be3 Bf6 9. Nd5 Re8 10. Nxf6+ Qxf6
1960 Asuncion – Round 1 – Riego, Victorio – 0-1 – Estrada Degrandi, Walter – G32
1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. a3 Be7 5. Bc4 O-O 6. O-O Nxe4 7. Nxe4 d5 8. Bd3 f5 9. Nc3 e4 10. Be2 d4
FIDE World Blitz Championship 2025 – Round 15 – Ahmad Al Khatib – 0-1 – Radjabov Teimour – G298
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 Be7 5. d4 exd4 6. Nxd4 d6 7. Bb5 Bd7 8. Nxc6 Bxc6 9. Bxc6+ bxc6 10. O-O O-O
FIDE World Blitz Championship 2025 – Round 4 – Isanzhulov Arystan – 1-0 – Vasyl Ivanchuk – G77
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 Be7 5. d4 exd4 6. Nxd4 O-O 7. Be2 d6 8. O-O Re8 9. Re1 Nxd4 10. Qxd4 Be6
FIDE World Cup 2019 – Round 1.2 – Lu, Shanglei – 1/2-1/2 – Gelfand, Boris – G119
1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. a3 d5 5. Bb5 Nxe4 6. Qe2 Nxc3 7. Qxe5+ Qe7 8. dxc3 Bd7 9. Qxe7+ Bxe7 10. Bf4 O-O-O
GCT Blitz Paris 2018 – Round 3.4 – Caruana, Fabiano – 1/2-1/2 – Aronian, Levon – G14
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 Be7 5. d4 exd4 6. Nxd4 O-O 7. Nxc6 bxc6 8. e5 Ne8 9. Bd3 d5 10. O-O f6
GCT Blitz Paris 2018 – Round 5.2 – Caruana, Fabiano – 0-1 – Karjakin, Sergey – G22
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 d5 5. Bb5 d4 6. Ne2 Bd6 7. d3 O-O 8. Bc4 Na5 9. Ba2 c5 10. Ng3 b5
GCT Blitz Paris 2018 – Round 7.2 – Caruana, Fabiano – 0-1 – Kramnik, Vladimir – G31
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 d5 5. Bb5 Nxe4 6. Qe2 Qd6 7. Nxe4 dxe4 8. Qxe4 Bd7 9. d3 O-O-O 10. O-O Re8
GCT Blitz Paris 2019 – Round 8.4 – Nepomniachtchi, Ian – 1/2-1/2 – Grischuk, Alexander – G39
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 d5 5. exd5 Nxd5 6. Nxe5 Nxe5 7. Qe2 f6 8. d4 Nxc3 9. bxc3 Qd5 10. Bb2 Bd6
World Blitz 2017 – Round 11.17 – Van Foreest, Jorden – 0-1 – Melkumyan, Hrant – G558
1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. a3 d5 5. Bb5 d4 6. Ne2 Bd6 7. d3 Bd7 8. Ng3 Ne7 9. Bc4 Qc8 10. Bg5 Be6
World Blitz 2017 – Round 14.23 – Safarli, Elmir – 1-0 – Van Foreest, Jorden – G725
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 d5 5. Bb5 Nxe4 6. Qe2 Nxc3 7. Qxe5+ Be7 8. dxc3 O-O 9. Qh5 Bf6 10. O-O g6
World Blitz 2017 – Round 16.19 – Safarli, Elmir – 1-0 – Sjugirov, Sanan – G824
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 d6 5. d4 exd4 6. Nxd4 g6 7. Bb5 Bd7 8. O-O Bg7 9. Bxc6 bxc6 10. Bg5 O-O
World Blitz 2017 – Round 17.35 – Van Foreest, Jorden – 0-1 – Cheparinov, Ivan – G892
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 d5 5. Bb5 Nxe4 6. Qe2 Qd6 7. Nxe4 dxe4 8. Qxe4 Bd7 9. O-O O-O-O 10. d3 f5
World Blitz 2017 – Round 18.16 – Safarli, Elmir – 0-1 – Amin, Bassem – G923
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 g6 5. Bc4 Bg7 6. d3 d6 7. O-O O-O 8. Bg5 h6 9. Be3 Kh7 10. h3 Be6
World Blitz 2017 – Round 2.41 – Safarli, Elmir – 1-0 – Zhao, Jun – G96
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 Be7 5. d4 d6 6. d5 Nb8 7. Bd3 O-O 8. O-O Nbd7 9. b4 Ne8 10. Ne2 g6
World Blitz 2017 – Round 21.52 – Christiansen, Johan-Sebastian – 0-1 – Almasi, Zoltan – G1122
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 Be7 5. d4 exd4 6. Nxd4 d6 7. Be2 O-O 8. O-O Re8 9. Re1 h6 10. Bf4 Ne5
World Blitz 2017 – Round 6.21 – Safarli, Elmir – 1/2-1/2 – Anton Guijarro, David – G298
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 d6 5. d4 Bg4 6. dxe5 dxe5 7. Qxd8+ Rxd8 8. Bb5 Bxf3 9. gxf3 Bd6 10. Bg5 O-O
World Blitz 2017 – Round 9.14 – Christiansen, Johan-Sebastian – 1-0 – Leko, Peter – G450
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 d5 5. Bb5 d4 6. Ne2 Bd7 7. d3 Bd6 8. O-O O-O 9. c3 dxc3 10. bxc3 Re8
World Blitz 2017 – Round 9.22 – Mamedov, Rauf – 1-0 – Nguyen, Ngoc Truong Son – G459
1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. a3 g6 5. d4 exd4 6. Nxd4 Bg7 7. Nde2 O-O 8. g3 Re8 9. Bg2 d6 10. O-O Ne5
World Blitz 2019 – Round 1.33 – Aditya Tari – 1-0 – Potkin, Vladimir – G26
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 d5 5. Bb5 Nxe4 6. Qe2 Qd6 7. Nxe4 dxe4 8. Qxe4 Bd7 9. d4 O-O-O 10. dxe5 Nxe5
World Blitz 2023 – Round 1.10 – Suyarov, Mukhammadzokhid – 0-1 – Matlakov, Maxim – G4
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 d5 5. exd5 Nxd5 6. Bb5 Nxc3 7. bxc3 Bd6 8. d4 exd4 9. O-O O-O 10. cxd4 Bg4
World Rapid 2021 – Round 13.70 – Wieczorek, Oskar – 1/2-1/2 – Erdos, Viktor – G791
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 d5 5. Bb5 Nxe4 6. Qe2 Qd6 7. Nxe4 dxe4 8. Qxe4 Bd7 9. d4 O-O-O 10. dxe5 Nxe5
World Rapid 2021 – Round 3.72 – Kuzmicz, Karol – 1-0 – Durarbayli, Vasif – G190
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 Bd6 5. Bc4 O-O 6. d3 a6 7. O-O b5 8. Ba2 Bb7 9. Ne2 Be7 10. Ng3 d6
World Rapid 2021 – Round 5.68 – Kuzmicz, Karol – 1/2-1/2 – Christiansen, Johan-Sebastian – G311
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 d5 5. Bb5 Nxe4 6. Qe2 Nxc3 7. Qxe5+ Be7 8. Qxc3 O-O 9. d4 1/2-1/2

C47b — Gunsberg Variation (1906)
1.e4 e5 2.Nf3 Nc6 3.Nc3 Nf6 4.a3
Les coups candidats
4…d5 — 35.8% (1168 parties)
Ambassadeurs : Zakhartsov, Vladimir (11x), Starostits, Ilmars (9x), Mihevc-Mohr, Narcisa (9x), Cyfka, Karina (8x), Kover, Warner Bruce Prof Dr (7x), Fink, Leander (6x), Christiansen, Johan-Sebastian (6x), Sliwicka, Alicja (6x)
4…d6 — 15.4% (502 parties)
Ambassadeurs : Mihevc-Mohr, Narcisa (10x), Ventura, Bob (4x), Krecak, Zvonko (3x), Butkiewicz, Lukasz (3x), Cojhter, Karl (3x), Ahmad, Khagan (3x), Ruefenacht, Matthias (2x), Ilin, Radu-Stefan (2x)
4…Be7 — 15.1% (493 parties)
Ambassadeurs : Malmdin, Nils-Ake (8x), Grineva, Marianna (5x), Egyed, Gabor (3x), Wastney, Scott (3x), Kover, Warner Bruce Prof Dr (2x), Hersvik, Daniel (2x), Janev, Evgeni (2x), Fink, Leander (2x)
4…Bc5 — 14.7% (481 parties)
Ambassadeurs : Ventura, Bob (5x), Hebbelynck, Denis (4x), Kover, Warner Bruce Prof Dr (2x), Springelkamp, Petra (2x), Schramm, Philipp (2x), Arocha, Fernando (2x), Kaczmarek, Aleksander (2x), Mccarty, Andy (2x)
Analyse statistique des coups candidats
Répartition par niveau Elo (% des parties)
Tranche Elo N parties 4…d5 4…d6 4…Be7 4…Bc5
<1800 381 30% 16% 11% 23%
1800-2200 1220 37% 16% 17% 11%
2200-2600 1029 42% 17% 15% 6%
2600+ 29 72% 3% 10%
Évolution par décennie (% des parties)
Décennie N parties 4…d5 4…d6 4…Be7 4…Bc5
1950s 4 25% 25% 50%
1960s 1 100%
1970s 7 14% 14% 43%
1980s 43 26% 19% 21% 12%
1990s 267 21% 21% 16% 27%
2000s 866 31% 19% 16% 17%
2010s 1162 34% 13% 18% 15%
2020s 914 48% 13% 10% 9%
Tendances récentes (2010s → 2020s)
Coup 2010s 2020s Δ
4…d5 34% 48% ▲ +13.9%
4…d6 13% 13% ▲ +0.8%
4…Be7 18% 10% ▼ -8.3%
4…Bc5 15% 9% ▼ -6.5%
Joueurs célèbres
Champions du monde dans cette position
Carlsen, Magnus — 2 parties
Kramnik, Vladimir — 1 partie
Parties historiques
4…d5 — 35.8% (1168 parties)
1956 — Kolvig, Bent vs Tornerup, John — 1-0 — Copenhagen DEN
1979 — Luessy, Elsa vs Garcia Vicente, Nieves — 0-1 — Biel SUI
1980 — Schiller, Eric vs Bryson, Douglas M — 1/2-1/2 — Hastings Challengers
1980 — Bukhari, Sabtain Ali vs Donnely, Brian — 0-1 — Malta olm
1981 — Lopez Rodriguez, Aaron vs Menvielle Laccourreye, Augusto — 1-0 — Cartagena SF camp.Es
4…d6 — 15.4% (502 parties)
1959 — Beni, Alfred vs Szabo, Laszlo — 1/2-1/2 — Vienna AUT
1977 — Bryant, Barry vs Baquet, Roland — 0-1 — corr ICCF-Cup
1981 — Mellor, Jess vs Crump, John E — 0-1 — Wolverhampton
1982 — Madzarevic, Tomislav vs Monsch, Jean-Pierre — 0-1 — Zurich SUI
1985 — Dedes, Nikolaos vs Grivas, Efstratios — 1/2-1/2 — Athens GRE
4…Be7 — 15.1% (493 parties)
1954 — Blatny, Frantisek vs Altschul, Milos — 1/2-1/2 — Jablonec nad Nisou
1955 — Siemms, Ross E vs Anderson, Frank Ross — 0-1 — Toronto CAN
1960 — Riego, Victorio vs Estrada, Walter — 0-1 — Asuncion PAR
1977 — Ghizdavu, Dumitru vs Zuckerman, Bernard — 0-1 — United States tt
1978 — Lundin, Erik vs Gereben, Erno — 1/2-1/2 — Fredrikstad
4…Bc5 — 14.7% (481 parties)
1982 — Van der Wakker, Peter vs Rijksen, H. — 0-1 — Alkmaar open
1983 — Theuerle, P. vs Eagle, Chris — 0-1 — E Detroit Motor City op
1986 — Kover, Warner Bruce Prof Dr vs Da Silva Filho, Pedro Pereira — 1-0 — ?
1986 — Christopher Kaonga vs Battin, Richard — 1-0 — Dubai olm
1986 — Kover, Warner Bruce Prof Dr vs Paiva, Hamilton Jose Coimb — 1-0 — ?

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