r1bqkb1r/1pp1p1p1/3B4/pP2np1p/P1PP1PnP/8/3KP1P1/RN1Q1BNR b kq - 2 13
FEN state: r1bqkb1r/1pp1p1p1/3B4/pP2np1p/P1PP1PnP/8/3KP1P1/RN1Q1BNR b kq - 2 13 ; Best move: e5c4
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at b7, black pawn at c7, black pawn at e7 and black pawn at g7. White bishop at d6. Black pawn at a5, white pawn at b5, black knight at e5, black pawn at f5 and black pawn at h5. White pawn at a4, white pawn at c4, white pawn at d4, white pawn at f4, black knight at g4 and white pawn at h4. White king at d2, white pawn at e2 and white pawn at g2. White rook at a1, white knight at b1, white queen at d1, white bishop at f1, 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 13. Black to move.