{
  "pack_format_version": 3,
  "slug": "queens-indian-essentials-white",
  "title": "The Queen's Indian Defence: Essentials (White Repertoire)",
  "author_name": "Theo van Stratum",
  "version": 1,
  "description": "A White repertoire covering the main approaches against the Queen's Indian Defence (1.d4 Nf6 2.c4 e6 3.Nf3 b6). Includes the Classical Fianchetto (4.g3), the Petrosian Variation (4.a3) that rules out ...Bb4 ideas, meeting 3...b6 with 4.Nc3 Bb4 (borrowing the Nimzo-Indian's pin), and the quiet, solid 4.e3.",
  "content_types": [
    "lines"
  ],
  "price_cents": null,
  "lines": [
    {
      "name": "Queen's Indian Defence: The Classical Fianchetto (4.g3)",
      "side": "white",
      "eco": "E17",
      "moves": [
        "d2d4",
        "g8f6",
        "c2c4",
        "e7e6",
        "g1f3",
        "b7b6",
        "g2g3",
        "c8b7",
        "f1g2",
        "f8e7",
        "b1c3",
        "e8g8",
        "e1g1",
        "d7d5",
        "c4d5",
        "f6d5",
        "d1c2",
        "d5c3",
        "c2c3",
        "c7c5"
      ],
      "annotations": {
        "6": {
          "note": "The classical treatment of the Queen's Indian: preparing a kingside fianchetto of White's own, directly opposing Black's bishop on the long diagonal.",
          "format": "markdown"
        },
        "8": {
          "note": "Completing the fianchetto.",
          "format": "markdown"
        },
        "10": {
          "note": "Developing naturally and preparing to meet ...d5 with central pressure.",
          "format": "markdown"
        },
        "12": {
          "note": "Castling into safety before the central tension is resolved.",
          "format": "markdown"
        },
        "14": {
          "note": "Resolving the tension immediately rather than letting Black choose the moment. The pawn was briefly loose the move before, but only because Black's own capture was coming first.",
          "format": "markdown"
        },
        "16": {
          "note": "Eyeing the knight on d5 a second time (alongside Nc3) and preparing to recapture favourably if the knights get traded.",
          "format": "markdown"
        },
        "18": {
          "note": "Recapturing toward the centre. The queen is well placed here, bearing down the c-file and eyeing a future c5 break.",
          "format": "markdown"
        }
      },
      "variations": [
        {
          "branch_ply": 9,
          "moves": [
            "b7a6",
            "b2b3",
            "f8e7",
            "c1b2",
            "e8g8"
          ],
          "annotations": {
            "0": {
              "note": "A sharper try than the quiet ...Be7: the bishop immediately eyes the c4-pawn from a6, since it's currently undefended.",
              "format": "markdown"
            },
            "1": {
              "note": "Simply defending the pawn rather than entering complications with Qa4 or Qc2.",
              "format": "markdown"
            },
            "3": {
              "note": "Completing the fianchetto on the other wing as well, so both long diagonals are covered.",
              "format": "markdown"
            }
          }
        }
      ]
    },
    {
      "name": "Queen's Indian Defence: The Petrosian Variation (4.a3)",
      "side": "white",
      "eco": "E12",
      "moves": [
        "d2d4",
        "g8f6",
        "c2c4",
        "e7e6",
        "g1f3",
        "b7b6",
        "a2a3",
        "c8b7",
        "b1c3",
        "d7d5",
        "c4d5",
        "f6d5",
        "e2e3",
        "f8e7",
        "d1c2",
        "e8g8",
        "f1d3",
        "c7c5",
        "e1g1",
        "b8c6"
      ],
      "annotations": {
        "6": {
          "note": "The Petrosian idea: ruling out ...Bb4 ideas once and for all before Black even gets the chance, at the cost of a tempo.",
          "format": "markdown"
        },
        "8": {
          "note": "Developing naturally and preparing to meet the centre.",
          "format": "markdown"
        },
        "10": {
          "note": "Resolving the central tension immediately.",
          "format": "markdown"
        },
        "12": {
          "note": "Solid and flexible, opening the way for the bishop while keeping d4 well supported.",
          "format": "markdown"
        },
        "14": {
          "note": "Eyeing the knight on d5 and preparing to meet ...c5 without conceding the centre.",
          "format": "markdown"
        },
        "16": {
          "note": "Developing actively, aiming at the kingside.",
          "format": "markdown"
        },
        "18": {
          "note": "Castling into safety now that development is essentially complete.",
          "format": "markdown"
        }
      },
      "variations": [
        {
          "branch_ply": 9,
          "moves": [
            "f8e7",
            "e2e3",
            "e8g8",
            "f1d3",
            "d7d5"
          ],
          "annotations": {
            "0": {
              "note": "A quieter approach than the immediate ...d5: completing development first and deciding on the central structure afterwards.",
              "format": "markdown"
            },
            "1": {
              "note": "Solid and flexible.",
              "format": "markdown"
            },
            "4": {
              "note": "Only now challenging the centre, with development complete on both sides.",
              "format": "markdown"
            }
          }
        }
      ]
    },
    {
      "name": "Queen's Indian Defence: Meeting 3...b6 with 4.Nc3 Bb4",
      "side": "white",
      "eco": "E16",
      "moves": [
        "d2d4",
        "g8f6",
        "c2c4",
        "e7e6",
        "g1f3",
        "b7b6",
        "b1c3",
        "f8b4",
        "e2e3",
        "c8b7",
        "f1d3",
        "e8g8",
        "e1g1",
        "d7d5",
        "c4d5",
        "f6d5",
        "d1c2",
        "d5c3",
        "b2c3",
        "b4e7"
      ],
      "annotations": {
        "6": {
          "note": "Developing naturally rather than preparing the fianchetto immediately -- this invites ...Bb4, pinning the knight the same way as in the Nimzo-Indian.",
          "format": "markdown"
        },
        "8": {
          "note": "A flexible reply, preparing to meet the pin with Bd3 and eventually recapture favourably if the bishop ever trades on c3.",
          "format": "markdown"
        },
        "10": {
          "note": "Developing actively while the bishop on b4 stays where it is for now.",
          "format": "markdown"
        },
        "12": {
          "note": "Castling into safety before the central tension is resolved.",
          "format": "markdown"
        },
        "14": {
          "note": "Resolving the tension immediately.",
          "format": "markdown"
        },
        "18": {
          "note": "Recapturing toward the centre. This also attacks the bishop on b4 along the new diagonal, so Black has to deal with it straightaway.",
          "format": "markdown"
        }
      },
      "variations": [
        {
          "branch_ply": 8,
          "moves": [
            "c1g5",
            "c8b7",
            "e2e3",
            "h7h6",
            "g5h4"
          ],
          "annotations": {
            "0": {
              "note": "A sharper try than the quiet e3: pressuring the knight on f6 directly, in the same spirit as the Leningrad treatment of the Nimzo-Indian.",
              "format": "markdown"
            },
            "2": {
              "note": "Supporting the centre before deciding how to continue -- there's no need to resolve the pin or the pressure on f6 immediately.",
              "format": "markdown"
            },
            "4": {
              "note": "Retreating to keep the pressure rather than trading the bishop off for nothing.",
              "format": "markdown"
            }
          }
        }
      ]
    },
    {
      "name": "Queen's Indian Defence: The Quiet 4.e3",
      "side": "white",
      "eco": "E14",
      "moves": [
        "d2d4",
        "g8f6",
        "c2c4",
        "e7e6",
        "g1f3",
        "b7b6",
        "e2e3",
        "c8b7",
        "f1d3",
        "f8e7",
        "e1g1",
        "e8g8",
        "b1c3",
        "d7d5",
        "b2b3",
        "b8d7",
        "c1b2",
        "c7c5",
        "d1e2",
        "d8c7"
      ],
      "annotations": {
        "6": {
          "note": "The quiet, solid approach: no immediate fianchetto, just steady classical development.",
          "format": "markdown"
        },
        "8": {
          "note": "Developing actively toward the kingside before committing the knight anywhere.",
          "format": "markdown"
        },
        "10": {
          "note": "Castling into safety.",
          "format": "markdown"
        },
        "12": {
          "note": "Completing development and preparing to meet the centre.",
          "format": "markdown"
        },
        "14": {
          "note": "Preparing a fianchetto of White's own bishop, directly opposing Black's on the long diagonal.",
          "format": "markdown"
        },
        "16": {
          "note": "Completing the fianchetto.",
          "format": "markdown"
        },
        "18": {
          "note": "Centralising the queen and connecting the rooks.",
          "format": "markdown"
        }
      },
      "variations": [
        {
          "branch_ply": 9,
          "moves": [
            "f8b4",
            "c1d2",
            "b4e7",
            "e1g1",
            "d7d5"
          ],
          "annotations": {
            "0": {
              "note": "An immediate check instead of the quiet ...Be7 -- since White hasn't played Nc3 yet, this doesn't pin anything, but it still forces a response.",
              "format": "markdown"
            },
            "1": {
              "note": "Blocking the check with the bishop, which also happens to attack b4 directly -- the bishop needs to move again straightaway.",
              "format": "markdown"
            },
            "3": {
              "note": "Castling into safety now that the bishop manoeuvre is complete.",
              "format": "markdown"
            }
          }
        }
      ]
    }
  ],
  "woodpecker_sets": [],
  "endgame_positions": []
}