Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	—	—
Arriérés	—	—
Chaînes	—	● c7→d6
Passés	—	—
Majorité	—	—

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● c4 (2v0), ● d4 (2v0), ● b5 (2v0)	● c5 (2v1)
Cases faibles	—	● g5
Centre	● d4 (2v0), ● e4 (1v0), ● e5 (2v1)	—

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● d	● e

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 5)
Bf1	● Bf1 Non développé (mob. 5)
Bc8		● Bc8 Non développé (mob. 5)
Bf8		● Bf8 Non développé (mob. 1)
Paire de fous	● Oui	● Oui
Non développées	5 (● b1, ● c1, ● f1, ● a1, ● h1)	5 (● b8, ● 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	tension
Ruptures	● e5-e6	● …f7-f6

C41p — Philidor: Exchange, Rellstab Variation

1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.dxe5 Nxe4 5.Qd5 * ● Trait aux Noirs

Ouverture — Tension centrale

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Bg5 (Fou actif (mobilité 9), Développer c1 — 89 % des parties) ; Ng5 (3 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Nc5 (Cavalier actif en c5 — 97 % des parties) ; ...f5 (Attaque à l'aile roi — 2 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1928 Berlin Cafe Koenig – Round 8 – Steiner, Lajos – 1-0 – Von Holzhausen, Walther – G37 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. dxe5 Nxe4 5. Qd5 Nc5 6. Bg5 Be7 7. exd6 Qxd6 8. Nc3 O-O 9. O-O-O Be6 10. Qxd6 Bxd6
1931 Bled – Round 1 – Maroczy, Geza – 1-0 – Bogoljubow, Efim – G101 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. dxe5 Nxe4 5. Qd5 Nc5 6. Bg5 f6 7. exf6 gxf6 8. Be3 Be6 9. Qh5+ Bf7 10. Qh4 Nbd7
1936 Podebrady – Round 1 – Steiner, Lajos – 0-1 – Alekhine, Alexander – G16 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. dxe5 Nxe4 5. Qd5 Nc5 6. Ng5 Be6 7. Nxe6 fxe6 8. Qf3 Nbd7 9. exd6 Bxd6 10. Nc3 Qh4
1938 Bad Elster – Round 7 – Acebey Michel, Veroska – 1/2-1/2 – Rellstab, Ludwig – G29 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. dxe5 Nxe4 5. Qd5 Nc5 6. Bg5 Be7 7. exd6 Qxd6 8. Nc3 Qxd5 9. Nxd5 Bd6 10. O-O-O Ne6
1938 Stockholm – Round 1 – Johansson, Martin 1979 – 1/2-1/2 – Ekenberg, Bengt – G14 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. dxe5 Nxe4 5. Qd5 Nc5 6. Bg5 Qd7 7. Nc3 c6 8. Qd2 dxe5 9. Nxe5 Qxd2+ 10. Bxd2 Nbd7
1941 Buenos Aires Circulo – Round 10 – Czerniak, Moshe – 0-1 – Najdorf, Miguel – G37 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. dxe5 Nxe4 5. Qd5 Nc5 6. Ng5 Be6 7. Nxe6 fxe6 8. Qf3 Nbd7 9. exd6 Bxd6 10. Nc3 Qh4
1947 Nt – Round 16 – Rellstab, Ludwig Sr – 1-0 – Surmann, F – G22 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. dxe5 Nxe4 5. Qd5 f5 6. Bc4 Qe7 7. O-O c6 8. exd6 cxd5 9. dxe7 dxc4 10. exf8=Q+ Kxf8
1949 BUL-CSR Sofia BUL – Round 1 – Sefc, Jan – 1/2-1/2 – Petrov, Peter – G3 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. dxe5 Nxe4 5. Qd5 Nc5 6. Bg5 Qd7 7. exd6 Bxd6 8. Nc3 f6 9. Be3 Qe7 10. Nb5 Be6
1949 Mar del Plata – Round 10 – Benko, Francisco – 1/2-1/2 – Guimard, Carlos E – G94 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. dxe5 Nxe4 5. Qd5 Nc5 6. Ng5 Be6 7. Nxe6 fxe6 8. Qf3 d5 9. Nc3 Nc6 10. Bb5 Nd7
1949 Oldenburg – Round 6 – Wade, Robert G – 1/2-1/2 – Rellstab, Ludwig – G24 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. dxe5 Nxe4 5. Qd5 Nc5 6. Bg5 Be7 7. exd6 Qxd6 8. Nc3 Qxd5 9. Nxd5 Bd6 10. O-O-O Ne6
1955 Moscow RUS – Round 14 – Gusev, Yuri – 1/2-1/2 – Antoshin, Vladimir S – G11 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. dxe5 Nxe4 5. Qd5 Nc5 6. Bg5 Be7 7. exd6 Qxd6 8. Nc3 h6 9. Be3 c6 10. Qxd6 Bxd6
1965 EU Ch U20 Niemeyer 3rd – Round 7 – Ree, Hans – 1/2-1/2 – Huebner, Robert – G4 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. dxe5 Nxe4 5. Qd5 Nc5 6. Bg5 Be7 7. exd6 Qxd6 8. Qxd6 Bxd6 9. Nc3 a6 10. O-O-O Nc6
Biel Interzonal 1976 – Round 14 – Byrne, Ray – 1/2-1/2 – Petrosian, Tigran V. – G66 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. dxe5 Nxe4 5. Qd5 Nc5 6. Bg5 Qd7 7. exd6 Bxd6 8. Nc3 O-O 9. O-O-O Nc6 10. Be3 Ne7
World Cup 1991 – Round 2 – Chandler, Murray G – 1-0 – Gulko, Boris – G15 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. dxe5 Nxe4 5. Qd5 Nc5 6. Bg5 Qd7 7. exd6 Bxd6 8. Nc3 Qe6+ 9. Be3 Qxd5 10. Nxd5 Ne6

C41p — Nimzowitsch Variation, Rellstab Variation (1928)

1.e4 e5 2.Nf3 d6 3.d4 Nf6 4.dxe5 Nxe4 5.Qd5

Les coups candidats

5…Nc5 — 96.7% (704 parties)

Ambassadeurs : Morin, Louis (18x), Herzog, Klaus (16x), Kalinina, Vladislava (6x), Boe, Mads (6x), Schunk, Thomas (6x), Johansson, Jan (5x), Sambuev, Bator (5x), Domingo, Jordi (5x)

5…f5 — 1.5% (11 parties)

Ambassadeurs : Boey, Josef (1x), Staal, Drs. Jaap (1x), Bilodeau, Marcel (1x), Morin, Louis (1x), Urban, Michael (1x), Eitel, Harald (1x), Rausis, Igors (1x), Vincent, Patrick (1x)

5…Bf5 — 0.8% (6 parties)

Ambassadeurs : Stojanovic, Andjelija (1x), Hadziselimovic, Maja (1x), Legarda Iturrioz, Jose Javier (1x), Fore Troy (1x), Johansson, Bror-Eric (1x), Da Silva Filho, Pedro Pereira (1x), Vitale, Nicola (1x), Fabio, Ferreira (1x)

5…Nc6 — 0.3% (2 parties)

Ambassadeurs : Clement, Guy (1x), Magill, Ray (1x), Stasilo, Tymoteusz (1x), Newton, Daryl (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	5…Nc5	5…f5	5…Bf5	5…Nc6
<1800	39	92%	5%	—	—
1800-2200	264	96%	2%	2%	—
2200-2600	289	100%	0%	—	—
2600+	2	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	5…Nc5	5…f5	5…Bf5	5…Nc6
1950s	6	100%	—	—	—
1960s	5	100%	—	—	—
1970s	18	100%	—	—	—
1980s	48	96%	4%	—	—
1990s	177	99%	1%	—	—
2000s	268	97%	1%	1%	0%
2010s	171	95%	2%	1%	1%
2020s	35	94%	—	3%	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
5…Nc5	95%	94%	-0.5%
5…f5	2%	0%	▼ -2.3%
5…Bf5	1%	3%	▲ +1.7%
5…Nc6	1%	0%	▼ -0.6%

Parties historiques

5…Nc5 — 96.7% (704 parties)

1951 — Garcia Alvarez, Javier 1961 vs Molteni, Oscar — 0-1 — Buenos Aires ARG
1953 — Sadomsky vs Shaposhnikov, Aleksii — 1/2-1/2 — cr.
1955 — Rabindra Ch. Dey vs Wolpert, Jack — 0-1 — Johannesburg
1955 — Gusev, Yuri vs Abanin, Vladimir — 1/2-1/2 — Moscow RUS
1956 — Ullianov vs Zubikov — 1-0 — USSR ch sf

5…f5 — 1.5% (11 parties)

1980 — Boey, Josef vs Staal, Drs. Jaap — 1/2-1/2 — ?
1983 — Bilodeau, Marcel vs Morin, Louis — 1-0 — Montreal CAN
1994 — Urban, Michael vs Eitel, Harald — 1-0 — Lichtenfels GER ch-B
1994 — Rausis, Igors vs Vincent, Patrick — 1-0 — France
2002 — Steele, Scott vs Ventimiglia, Charles — 1-0 — IECG

5…Bf5 — 0.8% (6 parties)

2000 — Johansson, Bror-Eric vs Da Silva Filho, Pedro Pereira — 1-0 — ?
2002 — Legarda Iturrioz, Jose Javier vs Fore Troy — 1-0 — ?
2004 — Stojanovic, Andjelija vs Hadziselimovic, Maja — 1-0 — Neum BIH
2012 — Volodarsky, Yury Aleksandrovich vs Martindale, Roger — 1-0 — ICCF
2014 — Vitale, Nicola vs Fabio, Ferreira — 1-0 — ICCF

5…Nc6 — 0.3% (2 parties)

2009 — Clement, Guy vs Magill, Ray — 1-0 — ICCF
2014 — Stasilo, Tymoteusz vs Newton, Daryl — 1-0 — ?