rnbk1bnr/pp2p1pp/2p2p2/3p1q2/QPPPP2P/5N2/P2B1PP1/RN2KB1R w KQ - 1 10
FEN state: rnbk1bnr/pp2p1pp/2p2p2/3p1q2/QPPPP2P/5N2/P2B1PP1/RN2KB1R w KQ - 1 10 ; Best move: e4f5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at d8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at e7, black pawn at g7 and black pawn at h7. Black pawn at c6 and black pawn at f6. Black pawn at d5 and black queen at f5. White queen at a4, white pawn at b4, white pawn at c4, white pawn at d4, white pawn at e4 and white pawn at h4. White knight at f3. White pawn at a2, white bishop at d2, white pawn at f2 and white pawn at g2. White rook at a1, white knight at b1, white king at e1, white bishop at f1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 1. Full move number is 10. White to move.