r3kb1r/p1p1nppp/3p1q1B/1p1bp3/1n1P4/PQ1BP3/1PP2PPP/RN1K2NR b kq - 2 15
FEN state: r3kb1r/p1p1nppp/3p1q1B/1p1bp3/1n1P4/PQ1BP3/1PP2PPP/RN1K2NR b kq - 2 15 ; Best move: b4d3
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 c7, black knight at e7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at d6, black queen at f6 and white bishop at h6. Black pawn at b5, black bishop at d5 and black pawn at e5. Black knight at b4 and white pawn at d4. White pawn at a3, white queen at b3, white bishop at d3 and white pawn at e3. White pawn at b2, white pawn at c2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white king at d1, white knight at g1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 2. Full move number is 15. Black to move.