r1b1kbr1/pp2nppp/1qnp4/1Q4N1/2pPp2P/N3B3/PPP1PPP1/R3KB1R w KQq - 0 10
FEN state: r1b1kbr1/pp2nppp/1qnp4/1Q4N1/2pPp2P/N3B3/PPP1PPP1/R3KB1R w KQq - 0 10 ; Best move: a3c4
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8, black bishop at f8 and black rook at g8. Black pawn at a7, black pawn at b7, black knight at e7, black pawn at f7, black pawn at g7 and black pawn at h7. Black queen at b6, black knight at c6 and black pawn at d6. White queen at b5 and white knight at g5. Black pawn at c4, white pawn at d4, black pawn at e4 and white pawn at h4. White knight at a3 and white bishop at e3. White pawn at a2, white pawn at b2, white pawn at c2, white pawn at e2, white pawn at f2 and white pawn at g2. White rook at a1, white king at e1, white bishop at f1 and white rook at h1. White kingside, white queenside and black queenside castles are available. Half move number is 0. Full move number is 10. White to move.