r3kb1r/pp2p2p/2n2p2/3pqn2/1PPP1PP1/P7/1R1BP2P/3QKB1b b kq - 6 20
FEN state: r3kb1r/pp2p2p/2n2p2/3pqn2/1PPP1PP1/P7/1R1BP2P/3QKB1b b kq - 6 20 ; Best move: e5d4
The current state of the chess board is: Black rook at a8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at e7 and black pawn at h7. Black knight at c6 and black pawn at f6. Black pawn at d5, black queen at e5 and black knight at f5. White pawn at b4, white pawn at c4, white pawn at d4, white pawn at f4 and white pawn at g4. White pawn at a3. White rook at b2, white bishop at d2, white pawn at e2 and white pawn at h2. White queen at d1, white king at e1, white bishop at f1 and black bishop at h1. Black kingside and black queenside castles are available. Half move number is 6. Full move number is 20. Black to move.