ecocodes
Volume B · Semi-open games‹ B09B11 ›
a1b2c3d4e5f6g7h8
Reference position · White to move

B10 Caro-Kann Defense

B10 holds 29 named lines, all under the name Caro-Kann Defense. It leaves B00 (King’s Pawn Game) with 1...c6. Lines of nine other codes continue from its position, the widest spread of the 10 Caro-Kann Defense codes. With 29 named lines it is the largest code of the 10 Caro-Kann Defense codes. At two plies, its reference line is the shortest of the 10 Caro-Kann Defense codes.

Score sheet
#WhiteBlack
1e4c6

The move that completes B10

The reference line of B11 plays all of these moves and continues beyond them; B10 is the position reached at 1...c6.

  1. 1...c6 The c-pawn advances to c6, covering b5 and d5, opening a line for the queen on d8.

Lines filed under B10

All 29 share their first two plies, the whole reference line and then split eight ways at White’s move 2.

NameAfter the shared startPliesAt the end
Caro-Kann Defense(the shared start itself)2
Caro-Kann Defense2.Nc33
Caro-Kann Defense: Accelerated Panov Attack2.c43
Caro-Kann Defense: Breyer Variation2.d33
Caro-Kann Defense: Euwe Attack2.b33
Caro-Kann Defense: Hillbilly Attack2.Bc43
Caro-Kann Defense: Labahn Attack2.b43
Caro-Kann Defense: Spike Variation2.g43
Caro-Kann Defense2.Nc3 d54
Caro-Kann Defense: Accelerated Panov Attack2.c4 d54
Caro-Kann Defense: Accelerated Panov Attack, Open Variation2.c4 e54
Caro-Kann Defense: Endgame Offer2.Nf3 d5 3.d35
Caro-Kann Defense: Goldman Variation2.Nc3 d5 3.Qf35
Caro-Kann Defense: Labahn Attack, Double Gambit2.b4 d5 3.b55
Caro-Kann Defense: Labahn Attack, Polish Variation2.b4 e5 3.Bb25
Caro-Kann Defense: St. Patrick’s Attack2.Nc3 d5 3.h35
Caro-Kann Defense: Toikkanen Gambit2.c4 d5 3.e55
Caro-Kann Defense: Two Knights Attack2.Nc3 d5 3.Nf35
Caro-Kann Defense: Accelerated Panov Attack, Van Weersel Attack2.c4 d5 3.cxd5 cxd5 4.Qb37
Caro-Kann Defense: Apocalypse Attack2.Nf3 d5 3.exd5 cxd5 4.Ne57
Caro-Kann Defense: Dinic Gambit2.Nf3 d5 3.d3 dxe4 4.Ng57Black +1
Caro-Kann Defense: Hector Gambit2.Nc3 d5 3.Nf3 dxe4 4.Ng57Black +1
Caro-Kann Defense: Hillbilly Attack, Schaeffer Gambit2.Bc4 d5 3.Bb3 dxe4 4.Qh57Black +1
Caro-Kann Defense: Scorpion-Horus Gambit2.Nc3 d5 3.d3 dxe4 4.Bg57Black +1
Caro-Kann Defense: Spike Variation, Scorpion-Grob Gambit2.g4 d5 3.Nc3 dxe4 4.d37Black +1
Caro-Kann Defense: Accelerated Panov Attack, Modern Variation2.c4 d5 3.exd5 cxd5 4.cxd5 Nf68White +1
Caro-Kann Defense: Accelerated Panov Attack, Pseudo-Scandinavian2.c4 d5 3.exd5 cxd5 4.cxd5 Qxd58
Caro-Kann Defense: Endgame Variation2.Nf3 d5 3.d3 dxe4 4.dxe4 Qxd1+ 5.Kxd19queens off
Caro-Kann Defense: Breyer Variation, Stein Attack2.d3 d5 3.Nd2 g6 4.Ngf3 Bg7 5.g3 e5 6.Bg2 Ne7 7.O-O O-O 8.b415both castled

The road to B10

  1. 1.e4B00 King’s Pawn Game
  2. 1...c6B10

The position after 1...c6

White is to move and has 30 legal moves.

WhiteBlackMaterial (pawn units)3939Minor pieces developed00Moves spent on pawns11Pawns on d4, e4, d5, e510Squares attacked in the other half50not castlednot castled

Codes that branch off from B10

The reference lines of two other codes leave B10 from two of its named positions; “From” gives the last part of that position’s name.

CodeFromMovesReference line
B11Two Knights Attack3...Bg4Caro-Kann Defense: Two Knights Attack, Mindeno Variation
B12Caro-Kann Defense2.d4Caro-Kann Defense

Closest boards in other codes

CodeLineDiffers on
B20Sicilian Defensetwo squares: c5, c6
A11English Opening: Caro-Kann Defensive Systemfour squares: c2, e2, c4, e4
B01Scandinavian Defensefour squares: d5, c6, c7, d7
B02Alekhine Defensefour squares: c6, f6, c7, g8
B06Modern Defensefour squares: c6, g6, c7, g7
B21Sicilian Defense: McDonnell Attackfour squares: f2, f4, c5, c6
B22Sicilian Defense: Alapin Variationfour squares: c2, c3, c5, c6

Where lines continue from here

Besides the codes above, they belong to B13, B14, B15, B16, B17, B18, B19.

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
  19. 18
  20. 19
  21. 20
  22. 21
  23. 22
  24. 23
  25. 24
  26. 25
  27. 26
  28. 27
  29. 28
  30. 29
  31. 30
  32. 31
  33. 32
  34. 33
  35. 34
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  38. 37
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  40. 39
  41. 40
  42. 41
  43. 42
  44. 43
  45. 44
  46. 45
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  48. 47
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  50. 49
  51. 50
  52. 51
  53. 52
  54. 53
  55. 54
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  64. 63
  65. 64
  66. 65
  67. 66
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  70. 69
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  72. 71
  73. 72
  74. 73
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  90. 89
  91. 90
  92. 91
  93. 92
  94. 93
  95. 94
  96. 95
  97. 96
  98. 97
  99. 98
  100. 99

Open this line in the finderAll Caro-Kann Defense codes