rn2kb1r/1p3ppp/2p4n/pP2N2B/P6P/2P1p1P1/R2BPP2/1N1QKR2 b kq - 1 21
FEN state: rn2kb1r/1p3ppp/2p4n/pP2N2B/P6P/2P1p1P1/R2BPP2/1N1QKR2 b kq - 1 21 ; Best move: e3d2
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at b7, black pawn at f7, black pawn at g7 and black pawn at h7. Black pawn at c6 and black knight at h6. Black pawn at a5, white pawn at b5, white knight at e5 and white bishop at h5. White pawn at a4 and white pawn at h4. White pawn at c3, black pawn at e3 and white pawn at g3. White rook at a2, white bishop at d2, white pawn at e2 and white pawn at f2. White knight at b1, white queen at d1, white king at e1 and white rook at f1. Black kingside and black queenside castles are available. Half move number is 1. Full move number is 21. Black to move.