Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	● e4
Arriérés	—	—
Chaînes	—	—
Passés	—	—
Majorité	● aile roi 3v2	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	—	● c5 (2v0), ● f5 (2v0)
Cases faibles	—	—
Centre	—	● e4 (1v0)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● e	● d, ● f

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 0)
Bb5	● Bb5 Actif (mob. 6)
Bc8		● Bc8 Non développé (mob. 5)
Bf8		● Bf8 Non développé (mob. 5)
Paire de fous	● Oui	● Oui
Non développées	3 (● c1, ● a1, ● h1)	5 (● 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	mobile
Ruptures	● d2-d3, ● f2-f3	● …e4-e3

C63t — Spanish: Schliemann, 4.Nc3 fxe4 5.Nxe4 d5 6.Nxe5 dxe4 7.Nxc6 Qd5

1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 4.Nc3 fxe4 5.Nxe4 d5 6.Nxe5 dxe4 7.Nxc6 Qd5 * ○ Trait aux Blancs

Ouverture — Centre mobile

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. c4 (Frapper le centre adverse — 99 % des parties) ; Nxa7+ (Capture en a7 — 1 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Qd6 (Centraliser la dame, Prépare O-O-O — 98 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1957 Warchau ch POL – Round 9 – Grabczewski, Romuald – 1/2-1/2 – Kmita, Zbigniew – G48 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 d5 6. Nxe5 dxe4 7. Nxc6 Qd5 8. c4 Qd6 9. Nxa7+ Bd7 10. Bxd7+ Qxd7
1960 Leningrad tt – Round 9 – Chalhasuren, Gonchich – 0-1 – Kupka, Slavoj – G119 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 d5 6. Nxe5 dxe4 7. Nxc6 Qd5 8. c4 Qd6 9. Nxa7+ Bd7 10. Bxd7+ Qxd7
1960 Madrid zt – Round 10 – Gligorić, Svetozar – 1-0 – Heidenfeld, Wolfgang – G76 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 d5 6. Nxe5 dxe4 7. Nxc6 Qd5 8. c4 Qd6 9. Nxa7+ Bd7 10. Bxd7+ Qxd7
1961 Baku ch-URS – Round 6 – Spassky, Boris Vasily – 1/2-1/2 – Kholmov, Ratmir D – G62 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 d5 6. Nxe5 dxe4 7. Nxc6 Qd5 8. c4 Qd6 9. Nxa7+ Bd7 10. Bxd7+ Qxd7
1961 Corr FS – Round 1 – Zanta J – 1/2-1/2 – Moehring, Guenther – G10 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 d5 6. Nxe5 dxe4 7. Nxc6 Qd5 8. c4 Qd6 9. Nxa7+ Bd7 10. Bxd7+ Qxd7
1961 Reggio Emilia 6162 – Round ? – Padevsky, Nikola – 1-0 – Contedini, Ennio – G17 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 d5 6. Nxe5 dxe4 7. Nxc6 Qd5 8. c4 Qd6 9. Nxa7+ Bd7 10. Bxd7+ Qxd7
1962 URS-ch30 sf Novosibirsk – Round 5 – Gufeld, Eduard – 1/2-1/2 – Seredenko, Vladimir – G7 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 d5 6. Nxe5 dxe4 7. Nxc6 Qd5 8. c4 Qd6 9. Nxa7+ Bd7 10. Bxd7+ Qxd7
1963 Leipzig Open 6364 2nd – Round 5 – Fahnenschmidt, Gerhard – 0-1 – Moehring, Guenther – G30 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 d5 6. Nxe5 dxe4 7. Nxc6 Qd5 8. c4 Qd6 9. Qh5+ g6 10. Qe5+ Qxe5
1964 Tel Aviv olm prel – Round 3 – Solmundarson, Magnus – 0-1 – Moehring, Guenther – G109 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 d5 6. Nxe5 dxe4 7. Nxc6 Qd5 8. c4 Qd6 9. Qh5+ g6 10. Qe5+ Qxe5
1965 It Zinnowitz GER – Round 1 – Spassov, Liuben – 0-1 – Moehring, Guenther – G2 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 d5 6. Nxe5 dxe4 7. Nxc6 Qd5 8. c4 Qd6 9. Qh5+ g6 10. Qe5+ Qxe5
1965 WchT U26 12. fin-A – Round 2 – Gheorghiu, Florin – 1-0 – Hennings, Artur – G12 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 d5 6. Nxe5 dxe4 7. Nxc6 Qd5 8. c4 Qd6 9. Nxa7+ Bd7 10. Bxd7+ Qxd7
1965 Zinnowitz 02nd – Round 7 – Dely, Peter – 1-0 – Moehring, Guenther – G17 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 d5 6. Nxe5 dxe4 7. Nxc6 Qd5 8. c4 Qd6 9. Nxa7+ Bd7 10. Bxd7+ Qxd7
1967 Szeczin – Round 5 – Bednarski, Jacek B – 1/2-1/2 – Witkowski, Stefan – G3 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 d5 6. Nxe5 dxe4 7. Nxc6 Qd5 8. c4 Qd6 9. Nxa7+ Bd7 10. Bxd7+ Qxd7
World Blitz 2019 – Round 10.31 – Vavulin, Maxim – 1-0 – Christiansen, Johan-Sebastian – G678 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 d5 6. Nxe5 dxe4 7. Nxc6 Qd5 8. c4 Qd6 9. Nxa7+ Bd7 10. Bxd7+ Qxd7
World Blitz 2021 – Round 14.64 – Kolosowski, Mateusz – 0-1 – Christiansen, Johan-Sebastian – G851 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 d5 6. Nxe5 dxe4 7. Nxc6 Qd5 8. c4 Qd6 9. Nxa7+ Bd7 10. Bxd7+ Qxd7

C63t — Schliemann Defense, Möhring Variation (1957)

1.e4 e5 2.Nf3 Nc6 3.Bb5 f5 4.Nc3 fxe4 5.Nxe4 d5 6.Nxe5 dxe4 7.Nxc6 Qd5

Les coups candidats

8.c4 — 98.0% (676 parties)

Ambassadeurs : Moehring, Guenther (17x), Mallee, Ralph (15x), Ritter, Erwin (10x), Repp, Heinrich (8x), Sanchez Garcia, Jose Manuel (8x), Strohmeier, Josef (8x), Goedhart, William (7x), Haas, Bernhard (6x)

8.Nxa7+ — 1.9% (13 parties)

Ambassadeurs : Confente, Giuseppe (2x), Lister, David I (1x), Arne, Jonas (1x), Pratt, Larry (1x), Sill, Perry (1x), Haapasalo, Jukka-Pekka (1x), Heinola, Kari P. (1x), Ricciardi, Simone (1x)

8.Nd4+ — 0.1% (1 parties)

Ambassadeurs : Ferdinando, Saviru Subasith (1x), Rafferty, Kieran (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	8.c4	8.Nxa7+	8.Nd4+
<1800	33	97%	—	3%
1800-2200	185	98%	2%	—
2200-2600	164	99%	1%	—
2600+	1	100%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	8.c4	8.Nxa7+	8.Nd4+
1950s	4	100%	—	—
1960s	59	98%	2%	—
1970s	56	100%	—	—
1980s	125	98%	2%	—
1990s	215	97%	3%	—
2000s	161	99%	1%	—
2010s	59	97%	3%	—
2020s	11	91%	—	9%

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
8.c4	97%	91%	▼ -5.7%
8.Nxa7+	3%	0%	▼ -3.4%
8.Nd4+	0%	9%	▲ +9.1%

Joueurs célèbres

Champions du monde dans cette position

Kasparov, Garry — 1 partie

Parties historiques

8.c4 — 98.0% (676 parties)

1957 — Pietzsch, Wolfgang vs Moehring, Guenther — 1-0 — Zittau
1957 — Alonzo Castillo Jimenez vs Gutierrez Herrera, Jose Antonio — 0-1 — Santiago CHI
1957 — Grabczewski, Romuald vs Kmita, Zbigniew — 1/2-1/2 — Warchau ch POL
1958 — Kennedy, RC. vs Galewicz, Marek — 1-0 — Varna BUL
1960 — Gligorić, Svetozar vs Heidenfeld, Wolfgang — 1-0 — Madrid ESP

8.Nxa7+ — 1.9% (13 parties)

1968 — Lister, David I vs Arne, Jonas — 1-0 — Swansea WLS
1981 — Pratt, Larry vs Sill, Perry — 0-1 — Palo Alto
1981 — Haapasalo, Jukka-Pekka vs Heinola, Kari P. — 1-0 — Turku Y-ch-TShL
1991 — Ricciardi, Simone vs Haas, Bernhard — 0-1 — ICCF
1992 — Confente, Giuseppe vs Kuhlmann, Antonius Egidius J — 1/2-1/2 — ICCF

8.Nd4+ — 0.1% (1 parties)

2020 — Ferdinando, Saviru Subasith vs Rafferty, Kieran — 0-1 — ICCF

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