ecocodes
Volume B · Semi-open games‹ B66B68 ›
a1b2c3d4e5f6g7h8
Reference position · White to move

B67 Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation

B67 holds a single named line. It leaves B66 (Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Early Deviations) with 8.O-O-O Bd7. That final move, by the bishop, opens a line for the rook on a8 and the queen on d8. Of all other reference positions, the board of B68 (Richter-Rauzer Variation, Neo-Modern Variation) comes closest, four squares apart.

Score sheet
#WhiteBlack
1e4c5
2Nf3Nc6
3d4cxd4
4Nxd4Nf6
5Nc3d6
6Bg5e6
7Qd2a6
8O-O-OBd7

The road to B67

Five of the 13 named positions on the way are reached by a move order other than their own.

  1. 1.e4 … 6...e611 earlier stops: B00, B20, B27, B30, B32, B33, B56, B60, B62
  2. 7.Qd2B63 Traditional Variation by another order
  3. 7...a6B66 Early Deviations by another order
  4. 8...Bd7B67

The position after 8...Bd7

White has brought out the knight on c3, knight on d4 and bishop on g5; Black the knight on c6, knight on f6 and bishop on d7. White has a half-open d-file; Black a half-open c-file. White could capture with Bxa6, Bxf6, Nxc6, Nxe6. White is to move and has 41 legal moves.

WhiteBlackMaterial (pawn units)3838Minor pieces developed33Moves spent on pawns25Pawns on d4, e4, d5, e510Squares attacked in the other half94castled queenside, move 8not castled

Codes that branch off from B67

The reference lines of one other code leave B67 from the position after 8...Bd7, each with its own moves.

CodeMovesReference line
B689.f4 Be7Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation

Closest boards in other codes

CodeLineDiffers on
B61Sicilian Defense: Richter-Rauzer Variation, Modern Variationeight squares: a1, c1, d1, e1, a6, e6, a7, e7
B63Sicilian Defense: Richter-Rauzer Variation, Traditional Variationeight squares: a1, c1, d1, e1, a6, a7, d7, c8
B62Sicilian Defense: Richter-Rauzer Variationnine squares: a1, c1, d1, e1, d2, a6, a7, d7 …
B95Sicilian Defense: Najdorf Variationnine squares: a1, c1, d1, e1, d2, c6, d7, b8 …
B69Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Nyezhmetdinov Attackten squares: f2, f3, d4, f4, b5, g5, f6, b7 …
B46Sicilian Defense: Taimanov Variation11 squares: a1, c1, d1, e1, d2, g5, d6, f6 …
B60Sicilian Defense: Richter-Rauzer Variation11 squares: a1, c1, d1, e1, d2, a6, e6, a7 …

Where lines continue from here

Two named lines filed under other codes pass through the position after 8...Bd7. Besides the codes above, they belong to 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
  16. 15
  17. 16
  18. 17
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  51. 50
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  61. 60
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  63. 62
  64. 63
  65. 64
  66. 65
  67. 66
  68. 67
  69. 68
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  92. 91
  93. 92
  94. 93
  95. 94
  96. 95
  97. 96
  98. 97
  99. 98
  100. 99

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