r1b1kbr1/pp2nppp/nqp5/4p3/1P1Np3/8/PBPPQPPP/RN2KB1R w KQq - 2 9
FEN state: r1b1kbr1/pp2nppp/nqp5/4p3/1P1Np3/8/PBPPQPPP/RN2KB1R w KQq - 2 9 ; Best move: d4b3
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 knight at a6, black queen at b6 and black pawn at c6. Black pawn at e5. White pawn at b4, white knight at d4 and black pawn at e4. White pawn at a2, white bishop at b2, white pawn at c2, white pawn at d2, white queen at e2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, 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 2. Full move number is 9. White to move.