r1b1k2r/p1pp2pp/1p5n/n3ppq1/NbP2N2/PQ2P3/1P1P1PPP/R1B1KB1R w KQkq - 0 9
FEN state: r1b1k2r/p1pp2pp/1p5n/n3ppq1/NbP2N2/PQ2P3/1P1P1PPP/R1B1KB1R w KQkq - 0 9 ; Best move: b3b4
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at e8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at d7, black pawn at g7 and black pawn at h7. Black pawn at b6 and black knight at h6. Black knight at a5, black pawn at e5, black pawn at f5 and black queen at g5. White knight at a4, black bishop at b4, white pawn at c4 and white knight at f4. White pawn at a3, white queen at b3 and white pawn at e3. White pawn at b2, white pawn at d2, white pawn at f2, white pawn at g2 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 h1. White kingside, white queenside, black kingside and black queenside castles are available. Half move number is 0. Full move number is 9. White to move.