r1b1k1nr/2ppbpp1/2n1p3/pP2q2p/3PNP2/4P1P1/PPQ1N2P/R1B1KBR1 w Qkq - 4 12
FEN state: r1b1k1nr/2ppbpp1/2n1p3/pP2q2p/3PNP2/4P1P1/PPQ1N2P/R1B1KBR1 w Qkq - 4 12 ; Best move: d4e5
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at c7, black pawn at d7, black bishop at e7, black pawn at f7 and black pawn at g7. Black knight at c6 and black pawn at e6. Black pawn at a5, white pawn at b5, black queen at e5 and black pawn at h5. White pawn at d4, white knight at e4 and white pawn at f4. White pawn at e3 and white pawn at g3. White pawn at a2, white pawn at b2, white queen at c2, white knight at e2 and white pawn at h2. White rook at a1, white bishop at c1, white king at e1, white bishop at f1 and white rook at g1. White queenside, black kingside and black queenside castles are available. Half move number is 4. Full move number is 12. White to move.