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Sicilian Defence: Kalashnikov, 6.N1c3 a6 7.Na3

Kasparov–Lautier, FIDE GP Moscow 2002 · Perez–Nakamura, American Cup 2023 · 6:48 · ECO B32

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In this video

Game 1: Garry Kasparov (2838) vs Joel Lautier (2675)

FIDE GP Moscow 2002, 2 June 2002 · White won (1-0) · 34 moves

Click a move to jump the video to it. Dotted moves are the opening line the video is about.

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Key moments

  1. 7...b5The first move after the opening line0:34
  2. 23...Rf6The evaluation moves from +1.37 to +2.341:46
  3. 25.Qb4White stays more than two pawns ahead from here1:54
  4. 26...Rxb8The evaluation moves from +3.51 to +4.812:02
  5. 28...gxf3The evaluation moves from +4.57 to +6.942:12
  6. 34.Rc8White wins after 34 moves2:39

Evaluation

Above the line, White is better; below it, Black. Scores are in pawns, capped at five either way.

Game 2: Leinier Dominguez Perez (2743) vs Hikaru Nakamura (2768)

American Cup 2023, 20 March 2023 · Black won (0-1) · 49 moves

Click a move to jump the video to it. Dotted moves are the opening line the video is about.

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Key moments

  1. 7...Be6The first move after the opening line3:12
  2. 47.Kg2The evaluation moves from −1.71 to −7.27, and Black stays more than two pawns ahead from here6:22
  3. 49.gxh4The evaluation moves from −7.65 to mate in 2 for Black6:32
  4. 49...Qh2+Black wins after 49 moves6:35

Evaluation

Above the line, White is better; below it, Black. Scores are in pawns, capped at five either way.

About these games

After 4...e5 Black hits the centralised knight and accepts a backward d-pawn and a hole on d5 in return for quick development and space. With 5.Nb5 d6 6.N1c3 a6 7.Na3 White sends the knight to the rim, aiming to reroute it via c4 or c2 and to fight for d5 with Nd5 and a later c4. Black usually answers with ...b5 or ...Be6 to control the light squares.

Kasparov–Lautier, Moscow 2002, followed 7...b5 8.Nd5 Nge7 9.c4 Nxd5 10.cxd5, fixing a white pawn on d5 and closing the centre. Black castled and pushed ...f5-f4 and ...g5 for a kingside attack, while White prepared queenside play. With 21.a4 bxa4 22.Nxa6 White opened lines; the score was still only +0.43 there. 25.Qb4 put White more than two pawns ahead, and after 26.Nb8 Rxb8 27.Qxb8 the evaluation rose from +3.51 to +4.81. 28...gxf3 took it from +4.57 to +6.94, and White won after 34.Rc8.

Dominguez Perez–Nakamura, American Cup 2023, went 7...Be6 8.Nc4 Rb8 9.Nd5 Bxd5 10.exd5: Black gave up the bishop rather than letting White fix d5 with a c-pawn. Black built the ...b5, ...g6, ...Bh6 setup, traded the bishop on e3 and played with knights against bishops. Level at 22.Bxe3 (0.00), the game slid Black's way; 44.Qa6 went from −0.21 to −1.76 after 42...e4. 47.Kg2 Rxe3 made it −7.27, and after 49.gxh4 Qh2+ Black mated, so Black won.

Chapters

  1. 0:00Introduction and the opening line
  2. 0:10Game 1: Kasparov vs Lautier, FIDE GP Moscow 2002
  3. 2:48Game 2: Dominguez Perez vs Nakamura, American Cup 2023

The opening line

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. N1c3 a6 7. Na3

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