Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● e6→d5, f7→e6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	—
Cases faibles	—	—
Centre	● d4 (2v0), ● e5 (1v0)	● d5 (2v1), ● e4 (1v0)

Colonnes et diagonales

♔ Blancs

♚ Noirs

Pièces

	♔ Blancs	♚ Noirs
Bf1	● Bf1 Non développé (mob. 5)
Be3	● Be3 Actif (mob. 5)
Bc8		● Bc8 Non développé (mob. 1)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	5 (● b1, ● g1, ● f1, ● a1, ● h1)	6 (● b8, ● g8, ● 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	● c2-c4	● …e6-e5, ● …f7-f5

C00x — French: Alapin-Diemer Gambit (ADG)

1.e4 e6 2.d4 d5 3.Be3 * ● Trait aux Noirs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Nd2 (Développer b1 — 54 % des parties) ; f3 (27 % des parties) ; e5 (Occuper le centre — 11 % des parties) ; Nc3 (Développer b1 — 6 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...dxe4 (Capture en e4, Occuper le centre — 78 % des parties) ; ...Nf6 (Développer g8 — 18 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1902 It (Men) Monte Carlo MNC – Round 1 – Marchand, Max – 1-0 – Von Scheve, Theodor – G11 1. e4 e6 2. d4 d5 3. Be3 dxe4 4. Nd2 Nf6 5. c3 Nbd7 6. Qc2 Nd5 7. Nxe4 Nxe3 8. fxe3 b6 9. Nf3 Bb7 10. Bd3 Be7
1903 It (Men) Monte Carlo MNC – Round 21 – Marchand, Max – 1/2-1/2 – Mason, James – G100 1. e4 e6 2. d4 d5 3. Be3 dxe4 4. Nd2 Nf6 5. c3 b6 6. g3 Bb7 7. Bg2 Nbd7 8. Qc2 Be7 9. Nxe4 Nxe4 10. Bxe4 Bxe4
1913 Havana – Round 1 – Janowski, Dawid – 1-0 – Corzo y Principe, Juan – G50 1. e4 e6 2. d4 d5 3. Be3 dxe4 4. Nd2 f5 5. f3 exf3 6. Ngxf3 Nf6 7. Bc4 Nc6 8. c3 Nd5 9. Qe2 Be7 10. O-O O-O
1920 Gothenburg-B – Round 6 – Berndtsson, Karl – 1-0 – Olland, Adolf George – G39 1. e4 e6 2. d4 d5 3. Be3 Nf6 4. Nd2 dxe4 5. f3 Nd5 6. Qe2 Nxe3 7. Qxe3 exf3 8. Ngxf3 Be7 9. Bd3 Nc6 10. c3 Bf6
1933 Folkestone Olympiad 5th – Round 7.20 – Berndtsson, Karl – 0-1 – Lilienthal, Andor – G63 1. e4 e6 2. d4 d5 3. Be3 dxe4 4. Nd2 Nf6 5. f3 Nd5 6. Qe2 Nc6 7. c3 exf3 8. Ngxf3 Be7 9. Qf2 O-O 10. Bd3 e5
1948 South Fallsburg ch-USA – Round 1 – Whitaker, Norman – 1/2-1/2 – Platz, Joseph – G108 1. e4 e6 2. d4 d5 3. Be3 dxe4 4. Nd2 Nf6 5. c3 Bd7 6. Ne2 Bc6 7. Ng3 Nbd7 8. Qc2 Ng4 9. Ndxe4 Nxe3 10. fxe3 f5
1952 Vienna 5253 – Round 2 – Stoeckl, Ernst – 1-0 – Beni, Alfred – G2 1. e4 e6 2. d4 d5 3. Be3 dxe4 4. Nd2 f5 5. f3 exf3 6. Ngxf3 Nf6 7. Ne5 Be7 8. Bc4 O-O 9. Qe2 Nd5 10. Bf2 Nd7
1955 Corr – Round ? – Diemer, Emil – 1-0 – Lange Alfred – G4 1. d4 d5 2. e4 e6 3. Be3 dxe4 4. Nd2 Nf6 5. f3 exf3 6. Ngxf3 Be7 7. Bd3 Nd5 8. Qe2 Nxe3 9. Qxe3 Nd7 10. O-O-O c5
1957 DDR Ch 08th – Round 8 – Schmidt, Hermann – 0-1 – Golz, Werner – G55 1. e4 e6 2. d4 d5 3. Be3 dxe4 4. Nd2 Nf6 5. f3 Nc6 6. Bb5 Bd7 7. c3 exf3 8. Ngxf3 Bd6 9. Qc2 O-O 10. Bd3 e5
1958 GDR Ch Schkopau GER – Round 9 – Kunz, Horst – 1/2-1/2 – Franz, Joachim – G53 1. e4 e6 2. d4 d5 3. Be3 dxe4 4. Nd2 Nf6 5. f3 Nd5 6. Qe2 c5 7. dxc5 Nd7 8. Nxe4 Nxe3 9. Qxe3 Bxc5 10. Qc3 Be7
1960 Sofia ch BUL – Round 19 – Dimitrov Iliev, Ilia – 1/2-1/2 – Dimitrov Krastev, Krastjo – G20 1. e4 e6 2. d4 d5 3. Be3 dxe4 4. Nd2 Nf6 5. f3 Nd5 6. Qe2 Nc6 7. c3 exf3 8. Ngxf3 Be7 9. Bf2 a6 10. Qe4 f5
1961 Torremolinos – Round 11 – Heidenfeld, Wolfgang – 0-1 – Lopez Garcia Riano, Maximo – G49 1. e4 e6 2. d4 d5 3. Be3 dxe4 4. f3 b6 5. Nd2 exf3 6. Ngxf3 Bb7 7. Bd3 Nf6 8. O-O Be7 9. Ne5 O-O 10. Ndf3 c5
1966 Le Havre-B – Round ? – Daniel, Kelvin – 1-0 – Zagorovsky, Vladimir – G10 1. d4 d5 2. e4 e6 3. Be3 dxe4 4. Nd2 Nf6 5. f3 exf3 6. Ngxf3 Nbd7 7. Bd3 Bd6 8. O-O h6 9. Nc4 Nb6 10. Nxd6+ cxd6
1966 Sunderland ch-BCF – Round 1 – Borwell, Alan P – 1/2-1/2 – Wallis, Philip N – G21 1. e4 e6 2. d4 d5 3. Be3 dxe4 4. Nd2 Nf6 5. f3 exf3 6. Ngxf3 Be7 7. c4 Nbd7 8. Bd3 b6 9. Qe2 Bb7 10. O-O-O c5
1968 Lugano olm - Round 1 - Whitaker, Norman - 1-0 - Heidenfeld, Wolfgang - G434 1. e4 e6 2. d4 d5 3. Be3 dxe4 4. Nd2 Nf6 5. c3 Nbd7 6. Qc2 b6 7. Nxe4 Bb7 8. Bd3 Be7 9. Nf3 Nxe4 10. Bxe4 Bxe4

C00x — Alapin Gambit (1902)

1.e4 e6 2.d4 d5 3.Be3

Les coups candidats

3…dxe4 — 73.8% (937 parties)

Ambassadeurs : Diemer, Emil (18x), Bullockus, Theodore Dr (14x), Sasikumar, Srivathsan (12x), Webster, Peter (10x), Stummer, Kurt (8x), Raskolnikow (8x), Moody, David W (7x), Purser, Tom V (7x)

3…Nf6 — 20.1% (255 parties)

Ambassadeurs : Diemer, Emil (8x), Sallai, Kalman (5x), Richter, Klaus (5x), Sawyer, Timothy E (4x), Purser, Tom V (3x), ? (2x), Heidenfeld, Wolfgang (2x), Moody, David W (2x)

3…b6 — 1.3% (16 parties)

Ambassadeurs : Szasz, Charles (1x), Mi, Shepard (1x), Reuter, Peter Ludwig (1x), Neininger, Ralph (1x), Schumacher, Horst (1x), Pedersen, Torsten (1x), Bhat, Vinay (1x), Janniro, Mike (1x)

3…Nd7 — 1.0% (13 parties)

Ambassadeurs : Graham, Neil (2x), Diemer, Emil (1x), Wolter, Ben (1x), Motta, Paul S (1x), Brennan, Les (1x), Schumacher, Helmut (1x), Leinweber, Mattias (1x), Cain, Matthew (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	3…dxe4	3…Nf6	3…b6	3…Nd7
<1800	129	71%	19%	—	1%
1800-2200	564	73%	23%	1%	0%
2200-2600	75	80%	17%	1%	—

Évolution par décennie (% des parties)

Décennie	N parties	3…dxe4	3…Nf6	3…b6	3…Nd7
1950s	37	68%	30%	—	3%
1960s	36	78%	14%	—	—
1970s	55	82%	13%	2%	—
1980s	133	80%	17%	—	1%
1990s	298	73%	21%	1%	1%
2000s	435	71%	23%	1%	2%
2010s	205	72%	20%	2%	—
2020s	71	85%	8%	—	1%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
3…dxe4	72%	85%	▲ +12.8%
3…Nf6	20%	8%	▼ -12.0%
3…b6	2%	0%	▼ -2.4%
3…Nd7	0%	1%	▲ +1.4%

Parties historiques

3…dxe4 — 73.8% (937 parties)

1951 — Hamid Lester vs Whitcomb, C. — 1-0 — Massachusetts
1952 — Diemer, Emil vs Karcher, Berthold — 1-0 — 4RR
1952 — Morel, Fernand vs Weichselbaumer, Ernst — 1/2-1/2 — Helsinki olm
1952 — Stoeckl, Ernst vs Beni, Alfred — 1-0 — Vienna AUT
1953 — Diemer, Emil vs Lott, Andrew — 1-0 — Varnhalt

3…Nf6 — 20.1% (255 parties)

1953 — Diemer, Emil vs ? — 1-0 — ?
1956 — Diemer, Emil vs Busca, Francesco — 1-0 — Geneva SUI
1956 — Diemer, Emil vs Jovanovic, Sasa T — 1-0 — Beverwijk NED
1956 — Kolvig, Bent vs Knudsen, Egon — 1/2-1/2 — Copenhagen DEN
1957 — Sperling, Christoph vs Schafft, Lorenz — 1-0 — corr Germany

3…b6 — 1.3% (16 parties)

1976 — Szasz, Charles vs Mi, Shepard — 1-0 — USA
1992 — Bullockus, Theodore Dr vs Schmiel, Karl — 0-1 — Bad Woerishofen GER
1994 — Reuter, Peter Ludwig vs Neininger, Ralph — 0-1 — GER
1994 — Bhat, Vinay vs Janniro, Mike — 1-0 — ?
1995 — Schumacher, Horst vs Pedersen, Torsten — 1-0 — Bad Segeberg

3…Nd7 — 1.0% (13 parties)

1958 — Diemer, Emil vs Wolter, Ben — 1-0 — Worms
1988 — Motta, Paul S vs Brennan, Les — 1-0 — Montana
1996 — Schumacher, Helmut vs Leinweber, Mattias — 1-0 — Weilburg GER
1997 — Dufresne, Francois vs Garvik, Johannes — 1-0 — ?
1999 — Cain, Matthew vs Brown, Rick — 1-0 — IECG

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