r1bq1bnr/pp2kpp1/n6p/2p5/1P2p3/B1PPpPPB/P2N3P/R2QK1NR w KQ - 0 12
FEN state: r1bq1bnr/pp2kpp1/n6p/2p5/1P2p3/B1PPpPPB/P2N3P/R2QK1NR w KQ - 0 12 ; Best move: d2e4
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black king at e7, black pawn at f7 and black pawn at g7. Black knight at a6 and black pawn at h6. Black pawn at c5. White pawn at b4 and black pawn at e4. White bishop at a3, white pawn at c3, white pawn at d3, black pawn at e3, white pawn at f3, white pawn at g3 and white bishop at h3. White pawn at a2, white knight at d2 and white pawn at h2. White rook at a1, white queen at d1, white king at e1, white knight at g1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 0. Full move number is 12. White to move.