r2q1bn1/p1pkppp1/Bpn4r/5b1p/1P3P2/4P2N/P1NP2PP/R1B1QRK1 w - - 3 12
FEN state: r2q1bn1/p1pkppp1/Bpn4r/5b1p/1P3P2/4P2N/P1NP2PP/R1B1QRK1 w - - 3 12 ; Best move: e3e4
The current state of the chess board is: Black rook at a8, black queen at d8, black bishop at f8 and black knight at g8. Black pawn at a7, black pawn at c7, black king at d7, black pawn at e7, black pawn at f7 and black pawn at g7. White bishop at a6, black pawn at b6, black knight at c6 and black rook at h6. Black bishop at f5 and black pawn at h5. White pawn at b4 and white pawn at f4. White pawn at e3 and white knight at h3. White pawn at a2, white knight at c2, white pawn at d2, white pawn at g2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at e1, white rook at f1 and white king at g1. Both players have exhausted their castles. Half move number is 3. Full move number is 12. White to move.