2...Nc6 (C44: King's Pawn Game, Nc6)
- White last move attack Black Pawn on e5.
- Therefore to protect the attacked pawn, Black playing 2...Nc6.
- By playing 2...Nc6, Black also develop b8 Knight into best starting development square.
White Responses
- In the previous move, Black protect his/her Pawn on e5 by moving Knight to c6.
- So, White logical response is attacking the protector of Black Pawn by using Bishop to keep up the threat of winning Black e5 Pawn (although not immediately).
- The threat of winning Black e5 Pawn is not immediately, because after 4. Bxc6 dxc6 5.Nxe5, then Black can play 5...Qd4 forking White Pawn and Knight.
- Fork is a simultaneous attack by a single piece on two (or more) of the opponent's pieces.
- Forking by Black Queen regain the lost material with good position.
- Attacking Black Knight on c6 with Bishop also potentially pinning Knight to King, if Black move his/her d7 Pawn sooner or later.
- Potentially creating double pawn for Black if 4.Bxc6 occurred.
- Move last piece to facilitate castling on the kingside.
- White trying to attack Black weak pawn on f7 (only protected by Black King).
- Move last piece to facilitate castling on the kingside.
3. d4 (C44: Scotch Game)
- White trying to dominate the center of board.
- So, White lure Black to capture White Pawn on d4.
- If Black capture White Pawn with 3...exd4, then White play 4.Nxd4 (White have one knight and one pawn in the center of board, while Black only have one pawn).
- In amateur level, Black continue capturing White Knight with 4...Nxd4, then White play 5.Qxd4 (White have one queen and one pawn, while Black have none).
- Beside that, by playing Scotch Game it open way for White Bishop on c8 to move out from back rank.
3. c3 (C44: Ponziani Opening)
- White planning to establish two pawns on the center of board.
- So, White preparing c3 pawn to protect the advancement d pawn from d2 to d4 square.
- If Black try to capture White d pawn that have been advanced after Ponziani Opening, then c pawn capture Black pawn and shift into d4 square (result two pawns on the center of the board).
- By playing Ponziani Opening, White open another way for his/her Queen to come out from Back Rank.
- There are several trap for Black, therefore Black player should learn to response this opening properly to avoid trap.
3. Nc3 (C46: Three Knights Game)
- White protect White Pawn on e4 while at the same time guard center square (d5 square).
- This move is quite.
- Quite move is move that doesn't attack or capture enemy Pawn or Pieces.
3. g3 (C44: Konstantinopolsky Opening)
- This move is preparation for White Bishop to Fianchetto along diagonal h1-a8.
- Fianchetto is put bishop on longest diagonal on the chess board.
3. Be2 (C44: Inverted Hungarian Opening)
- This move named Inverted Hungarian Opening because the position White Bishop on e2 resemble position Black Bishop on e7 in Hungarian Defense.
- This move make no immediate threat to Black, therefore Black have many choice to response this move.
