Structure de pions

	♔ Blancs	♚ Noirs
Pions doublés	—	● c4, ● c6
Pions isolés	—	● h6
Arriérés	● d4	● c6
Chaînes	● d4→e5	● b5→c4, c6→b5, f7→e6
Passés	—	—
Majorité	● aile roi 3v2	● aile dame 4v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● e4 (2v0)	● b4 (2v0), ● d5 (3v1), ● g5 (2v1)
Cases faibles	—	—
Centre	● d4 (1v0), ● e4 (2v0), ● e5 (1v0)	● d5 (3v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● c	● d, ● g

Pièces

	♔ Blancs	♚ Noirs
Bf1	● Bf1 Non développé (mob. 3)
Bh4	● Bh4 Mauvais (mob. 1)
Bc8		● Bc8 Non développé (mob. 3)
Bf8		● Bf8 Non développé (mob. 6)
Paire de fous	● Oui	● Oui
Non développées	3 (● 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	fermé
Ruptures	—	● …c6-c5, ● …f7-f6

D44i — Semi-Slav: Botvinnik, Alatortsev Variation

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.Bg5 dxc4 6.e4 b5 7.e5 h6 8.Bh4 g5 9.Nxg5 Nd5 * ○ Trait aux Blancs

Ouverture — Centre fermé

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Plans. Nxf7 (Menace d8, h8 — 80 % des parties) ; Nf3 (20 % des parties).

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Plans. ...Qa5 (Contrôle diagonale a5-e1, Prépare O-O-O — 15 % des parties) ; ...Be7 (Fou actif (mobilité 7), Développer f8 — 4 % des parties).

Avantages

Faiblesses

Diagonale active

Plans

Partie
1920 Kristiania sim – Round ? – Leif, Lund – 1-0 – Réti, Richard – G2 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c6 5. Bg5 h6 6. Bh4 dxc4 7. e4 b5 8. e5 g5 9. Nxg5 Nd5 10. Nf3 Qa5
1934 Zuerich – Round 1 – Flohr, Salo – 1-0 – Stahlberg, Gideon – G29 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 Nd5 10. Nf3 Qa5
1935 Buenos Aires – Round 11 – Bolbochan, J. – 1/2-1/2 – Abata Molina, Santiago Andres – G83 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 dxc4 5. Nc3 c6 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 Nd5 10. Nf3 Be7
1938 Argentina – Round 12 – Fenoglio, Virgilio – 1-0 – Corte, Cesar J – G58 1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 c6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 Nd5 10. Nxf7 Qxh4
1938 Trade Unions – Round 4 – Budo, Alexander Semenovich – 0-1 – Bastrikov, Georgy – G37 1. d4 d5 2. Nf3 c6 3. c4 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 Nd5 10. Nf3 Qa5
1939 Leningrad ch-URS – Round 4 – Belavenets, Sergey – 1-0 – Ragozin, Viacheslav – G27 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 Nd5 10. Nxf7 Qxh4
1939 Leningrad/Moscow – Round 15 – Lilienthal, Andor – 1/2-1/2 – Alatortsev, Vladimir N. – G109 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 Nd5 10. Nf3 Qa5
1942 GER Ch 09th – Round 12 – Teschner, Rudolf – 0-1 – Klaus, Georg – G19 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 Nd5 10. Nxf7 Qxh4
1946 Barcelona – Round 5 – Perez Perez, Francisco Jose – 1-0 – Gabernet Llorens, Miquel – G35 1. Nf3 Nf6 2. c4 c6 3. d4 d5 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 Nd5 10. Nxf7 Qxh4
1947 Leningrad – Round 6 – Smyslov, Vladimir – 1-0 – Ragozin, Viacheslav – G9 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 Nd5 10. Nxf7 Qxh4
1947 Leningrad ch-URS – Round 1 – Smyslov, Vladimir – 1-0 – Ragozin, Viacheslav – G8 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 Nd5 10. Nxf7 Qxh4
1947 Leningrad ch-URS – Round 4 – Lilienthal, Andor – 1-0 – Ragozin, Viacheslav – G58 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 Nd5 10. Nxf7 Qxh4
1964 Spartak Ch – Round ? – Zaitsev, Igor A – 0-1 – Ljavdansky, Vladimir – G4 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 Nd5 10. Nxf7 Qxh4
1969 Corr – Round ? – Korelov, Alexander P – 1-0 – Bauer, Andreas – G3 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 Nd5 10. Nxf7 Qxh4
Buenos Aires 1980 – Round 1 – Timman, Jan H – 1-0 – Ljubojevic, Ljubomir – G6 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 Nd5 10. Nxf7 Qxh4
Candidats Tournament 1985 – Round 13 – Ribli, Zoltan – 1-0 – Nogueiras Santiago, Jesus – G75 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 c6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 Nd5 10. Nxf7 Qxh4
Jakarta / Yogya / Bali 1983 – Round 14 – Timman, Jan H – 0-1 – Henley, Ron – G40 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 Nd5 10. Nxf7 Qxh4
Montpellier 1985 – Round 1 – Ribli, Zoltan – 1-0 – Nogueiras Santiago, Jesus – G7 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg5 Nd5 10. Nxf7 Qxh4

D44i — Botvinnik, Alatortsev Variation (1920)

1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c6 5.Bg5 dxc4 6.e4 b5 7.e5 h6 8.Bh4 g5 9.Nxg5 Nd5

Les coups candidats

10.Nxf7 — 68.3% (183 parties)

Ambassadeurs : Timman, Jan H (4x), Korelov, Alexander P (3x), Junker, Rene (3x), Bauer, Andreas (2x), Braga, Fernando (2x), Lemaire, Adam (2x), Ribli, Zoltan (2x), Nogueiras Santiago, Jesus (2x)

10.Nf3 — 29.1% (78 parties)

Ambassadeurs : Nogueiras Santiago, Jesus (4x), Uhlmann, Wolfgang (3x), Gavrikov, Viktor (3x), Inkiov, Ventzislav (2x), Nikolic, Predrag (2x), Borisenko, Georgy K (1x), Andreiev, Andrii (1x), Sonntag, Hans-Hubert (1x)

10.Nxd5 — 1.5% (4 parties)

Ambassadeurs : Braselmann, Ulrich (1x), Peters, Ortwin (1x), Camus, Berenger (1x), Louis, Andre (1x), Elizarova, Taisia (1x), Sukhotsky, Daniil (1x), Alba Tarradelles, Jose (1x), Pera Lucas, Eugeni (1x)

10.Qh5 — 1.1% (3 parties)

Ambassadeurs : Letelier Martner, Rene (1x), Michel, Carsten (1x), Oefinger, Walter C (1x), Kelso, Robert (1x), Villar, Jeremias (1x), Tanti, Joseph G (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10.Nxf7	10.Nf3	10.Nxd5	10.Qh5
<1800	7	29%	57%	—	14%
1800-2200	90	63%	33%	2%	1%
2200-2600	116	69%	31%	—	—
2600+	1	100%	—	—	—

Évolution par décennie (% des parties)

Décennie	N parties	10.Nxf7	10.Nf3	10.Nxd5	10.Qh5
1950s	1	100%	—	—	—
1960s	8	88%	12%	—	—
1970s	16	81%	19%	—	—
1980s	52	62%	38%	—	—
1990s	71	69%	28%	—	3%
2000s	66	67%	30%	3%	—
2010s	50	68%	26%	4%	2%
2020s	4	75%	25%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10.Nxf7	68%	75%	▲ +7.0%
10.Nf3	26%	25%	▼ -1.0%
10.Nxd5	4%	0%	▼ -4.0%
10.Qh5	2%	0%	▼ -2.0%

Parties historiques

10.Nxf7 — 68.3% (183 parties)

1954 — Moiseev, Oleg vs Ofstad, Per — 1-0 — Oslo NOR
1963 — Cakin, Otto vs Manninen, Aimo — 0-1 — ?
1964 — Zaitsev, Alexander vs Ljavdansky, Vladimir — 0-1 — Moscow RUS
1966 — Zastrow, Heinz vs Schreiber, Werner — 0-1 — FRG-10ch prel (FS-68/61)
1969 — Advika Pari vs Hoelzl, Franz — 0-1 — Hastings ENG

10.Nf3 — 29.1% (78 parties)

1962 — Borisenko, Georgy K vs Andreiev, Andrii — 1-0 — corr ch5-SU
1970 — Beliavsky, Alexander G vs Ristoja, Thomas W. — 1-0 — Groningen NED
1977 — Sonntag, Hans-Hubert vs Schmidt, Ruediger — 1-0 — Germany SouthWest
1977 — Vosselman, Henk vs Van Baarle, John — 0-1 — Nederland tt
1980 — Uhlmann, Wolfgang vs Nikolic, Predrag — 1-0 — Sarajevo BIH

10.Nxd5 — 1.5% (4 parties)

2001 — Camus, Berenger vs Louis, Andre — 0-1 — Ardennes
2004 — Braselmann, Ulrich vs Peters, Ortwin — 0-1 — Solingen GER
2011 — Elizarova, Taisia vs Sukhotsky, Daniil — 1-0 — ?
2011 — Alba Tarradelles, Jose vs Pera Lucas, Eugeni — 1-0 — Lleida

10.Qh5 — 1.1% (3 parties)

1993 — Letelier Martner, Rene vs Michel, Carsten — 0-1 — Santiago de Chile
1997 — Oefinger, Walter C vs Kelso, Robert — 0-1 — ?
2012 — Villar, Jeremias vs Tanti, Joseph G — 0-1 — LSS

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