r1bq1knr/1ppp1ppp/p1n5/4p3/1bP1P1P1/P2B3N/1P1P1P1P/RNBQK2R b KQ - 4 6
FEN state: r1bq1knr/1ppp1ppp/p1n5/4p3/1bP1P1P1/P2B3N/1P1P1P1P/RNBQK2R b KQ - 4 6 ; Best move: b4c5
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at f8, black knight at g8 and black rook at h8. Black pawn at b7, black pawn at c7, black pawn at d7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at a6 and black knight at c6. Black pawn at e5. Black bishop at b4, white pawn at c4, white pawn at e4 and white pawn at g4. White pawn at a3, white bishop at d3 and white knight at h3. White pawn at b2, white pawn at d2, white pawn at f2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, white king at e1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 4. Full move number is 6. Black to move.