r1b3nr/ppp2kp1/2nb1p1p/4p3/3pq3/P1PP2PP/RP2N2R/1NBQKB2 w - - 2 12
FEN state: r1b3nr/ppp2kp1/2nb1p1p/4p3/3pq3/P1PP2PP/RP2N2R/1NBQKB2 w - - 2 12 ; Best move: d3e4
The current state of the chess board is: Black rook at a8, black bishop at c8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7, black king at f7 and black pawn at g7. Black knight at c6, black bishop at d6, black pawn at f6 and black pawn at h6. Black pawn at e5. Black pawn at d4 and black queen at e4. White pawn at a3, white pawn at c3, white pawn at d3, white pawn at g3 and white pawn at h3. White rook at a2, white pawn at b2, white knight at e2 and white rook at h2. White knight at b1, white bishop at c1, white queen at d1, white king at e1 and white bishop at f1. Both players have exhausted their castles. Half move number is 2. Full move number is 12. White to move.