ecocodes
Volume B · Semi-open games‹ B62B64 ›
a1b2c3d4e5f6g7h8
Reference position · Black to move

B63 Sicilian Defense: Richter-Rauzer Variation, Traditional Variation

B63 holds four named lines, all under the name Sicilian Defense. It leaves B62 (Sicilian Defense: Richter-Rauzer Variation) with 7.Qd2. Queenside castling appears once among its lines, in Sicilian Defense: Richter-Rauzer Variation, Classical Variation, Kantscher Line. Lines filed under B64 reach one of its named positions by a different move order.

Score sheet
#WhiteBlack
1e4c5
2Nf3d6
3d4cxd4
4Nxd4Nf6
5Nc3Nc6
6Bg5e6
7Qd2

The move that completes B63

The reference line of B64 plays all of these moves and continues beyond them; B63 is the position reached at 7.Qd2.

  1. 7.Qd2 The queen goes from d1 to d2, opening a line for the rook on a1, guarding the bishop on g5.

Lines filed under B63

All four share their first 13 plies, the whole reference line and then split two ways at Black’s move 7.

NameAfter the shared startPliesAt the end
Sicilian Defense: Richter-Rauzer Variation, Traditional Variation(the shared start itself)13
Sicilian Defense: Richter-Rauzer Variation, Classical Variation7...Be714
Sicilian Defense: Richter-Rauzer Variation, Ivanov Variation7...Qb614
Sicilian Defense: Richter-Rauzer Variation, Classical Variation, Kantscher Line7...Be7 8.O-O-O Nxd4 9.Qxd4 a6 10.f4 b520White castled

Sicilian Defense: Richter-Rauzer Variation, Classical Variation

  1. 7...Be7 The bishop leaves f8 for e7, opening a line for the rook on h8.

Sicilian Defense: Richter-Rauzer Variation, Ivanov Variation

  1. 7...Qb6 The queen goes from d8 to b6, attacking the knight on d4.

Sicilian Defense: Richter-Rauzer Variation, Classical Variation, Kantscher Line

  1. 7...Be7 The bishop leaves f8 for e7, opening a line for the rook on h8.
  2. 8.O-O-O White castles queenside, guarding the pawn on b2.
  3. 8...Nxd4 The knight on c6 takes the knight on d4.
  4. 9.Qxd4 The queen on d2 takes the knight on d4, opening a line for the rook on d1 and the bishop on g5, attacking the knight on f6.
  5. 9...a6 The a-pawn advances to a6, covering b5, opening a line for the rook on a8.

The road to B63

  1. 1.e4 … 5...Nc6eight earlier stops: B00, B20, B27, B50, B54, B56
  2. 6.Bg5B60 Richter-Rauzer Variation
  3. 6...e6B62 Richter-Rauzer Variation
  4. 7.Qd2B63

The position after 7.Qd2

White has brought out the knight on c3, knight on d4 and bishop on g5; Black the knight on c6 and knight on f6. White has a half-open d-file; Black a half-open c-file. Black could capture with Nxd4, Nxe4. Black is to move and has 32 legal moves.

WhiteBlackMaterial (pawn units)3838Minor pieces developed32Moves spent on pawns24Pawns on d4, e4, d5, e510Squares attacked in the other half94not castlednot castled

Codes that branch off from B63

The reference lines of two other codes leave B63 from two of its named positions; “From” gives the last part of that position’s name.

CodeFromMovesReference line
B64Classical Variation8.O-O-O O-O 9.f4Sicilian Defense: Richter-Rauzer Variation, Classical Variation
B66Traditional Variation7...a6Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Early Deviations

Closest boards in other codes

CodeLineDiffers on
B60Sicilian Defense: Richter-Rauzer Variationfour squares: d1, d2, e6, e7
B61Sicilian Defense: Richter-Rauzer Variation, Modern Variationfour squares: e6, d7, e7, c8
B56Sicilian Defense: Classical Variationsix squares: c1, d1, d2, g5, e6, e7
B80Sicilian Defense: Scheveningen Variationsix squares: c1, d1, d2, g5, c6, b8
B88Sicilian Defense: Sozin Attack, Leonhardt Variationsix squares: c1, d1, f1, d2, c4, g5
B89Sicilian Defense: Sozin Attack, Main Linesix squares: d1, f1, d2, e3, c4, g5
B95Sicilian Defense: Najdorf Variationsix squares: d1, d2, a6, c6, a7, b8

Where lines continue from here

Eight named lines filed under other codes pass through the position after 7.Qd2. Besides the codes above, they belong to B65, B67, B68, B69.

Volume B

  1. 00
  2. 01
  3. 02
  4. 03
  5. 04
  6. 05
  7. 06
  8. 07
  9. 08
  10. 09
  11. 10
  12. 11
  13. 12
  14. 13
  15. 14
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  22. 21
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  24. 23
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  62. 61
  63. 62
  64. 63
  65. 64
  66. 65
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  91. 90
  92. 91
  93. 92
  94. 93
  95. 94
  96. 95
  97. 96
  98. 97
  99. 98
  100. 99

Other move orders

  • Sicilian Defense: Richter-Rauzer Variation, Classical Variation is also reached inside B64 Sicilian Defense: Richter-Rauzer Variation, Classical Variation, whose order is 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 e6 7.Qd2 Be7.
  • Sicilian Defense: Richter-Rauzer Variation, Traditional Variation is also reached inside B64 Sicilian Defense: Richter-Rauzer Variation, Classical Variation, whose order is 1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 d6 6.Bg5 e6 7.Qd2.

Open this line in the finderAll Sicilian Defense codes