r1b2b1r/1p1pk1pp/1qn4n/p2pp3/P2PPp2/3B1P2/1PPQ2PP/R1BK2NR w - - 3 12
FEN state: r1b2b1r/1p1pk1pp/1qn4n/p2pp3/P2PPp2/3B1P2/1PPQ2PP/R1BK2NR w - - 3 12 ; Best move: d4e5
The current state of the chess board is: Black rook at a8, black bishop at c8, black bishop at f8 and black rook at h8. Black pawn at b7, black pawn at d7, black king at e7, black pawn at g7 and black pawn at h7. Black queen at b6, black knight at c6 and black knight at h6. Black pawn at a5, black pawn at d5 and black pawn at e5. White pawn at a4, white pawn at d4, white pawn at e4 and black pawn at f4. White bishop at d3 and white pawn at f3. White pawn at b2, white pawn at c2, white queen at d2, white pawn at g2 and white pawn at h2. White rook at a1, white bishop at c1, white king at d1, white knight at g1 and white rook at h1. Both players have exhausted their castles. Half move number is 3. Full move number is 12. White to move.