r2qkbnr/pbpnp1p1/1p3p2/3p3p/Q1P1P3/P2P1N1P/1P3PPR/RNB1KB2 b Qkq - 2 8
FEN state: r2qkbnr/pbpnp1p1/1p3p2/3p3p/Q1P1P3/P2P1N1P/1P3PPR/RNB1KB2 b Qkq - 2 8 ; Best move: d5e4
The current state of the chess board is: Black rook at a8, black queen at d8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black bishop at b7, black pawn at c7, black knight at d7, black pawn at e7 and black pawn at g7. Black pawn at b6 and black pawn at f6. Black pawn at d5 and black pawn at h5. White queen at a4, white pawn at c4 and white pawn at e4. White pawn at a3, white pawn at d3, white knight at f3 and white pawn at h3. White pawn at b2, white pawn at f2, white pawn at g2 and white rook at h2. White rook at a1, white knight at b1, white bishop at c1, white king at e1 and white bishop at f1. White queenside, black kingside and black queenside castles are available. Half move number is 2. Full move number is 8. Black to move.