rnbqk2r/p1p1bppp/3p1n2/1p2p3/P2PP3/RP3N2/2P2PPP/1NBQKB1R b Kkq - 0 6
FEN state: rnbqk2r/p1p1bppp/3p1n2/1p2p3/P2PP3/RP3N2/2P2PPP/1NBQKB1R b Kkq - 0 6 ; Best move: b5b4
The current state of the chess board is: Black rook at a8, black knight at b8, 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 bishop at e7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at d6 and black knight at f6. Black pawn at b5 and black pawn at e5. White pawn at a4, white pawn at d4 and white pawn at e4. White rook at a3, white pawn at b3 and white knight at f3. White pawn at c2, white pawn at f2, white pawn at g2 and white pawn at h2. White knight at b1, white bishop at c1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. White kingside, black kingside and black queenside castles are available. Half move number is 0. Full move number is 6. Black to move.