r1bqk2r/p1p1ppb1/n2p2p1/1p5p/1PPP2P1/N3n2N/PB2BP1P/R2QK2R b KQkq - 0 10
FEN state: r1bqk2r/p1p1ppb1/n2p2p1/1p5p/1PPP2P1/N3n2N/PB2BP1P/R2QK2R b KQkq - 0 10 ; Best move: e3d1
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at e7, black pawn at f7 and black bishop at g7. Black knight at a6, black pawn at d6 and black pawn at g6. Black pawn at b5 and black pawn at h5. White pawn at b4, white pawn at c4, white pawn at d4 and white pawn at g4. White knight at a3, black knight at e3 and white knight at h3. White pawn at a2, white bishop at b2, white bishop at e2, white pawn at f2 and white pawn at h2. White rook at a1, white queen at d1, white king at e1 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 10. Black to move.