r3kbnr/p1pqpp1p/1pnpb1p1/8/1P1P1P2/2N1B2N/P1P1P1PP/2RQKB1R b K - 1 10
FEN state: r3kbnr/p1pqpp1p/1pnpb1p1/8/1P1P1P2/2N1B2N/P1P1P1PP/2RQKB1R b K - 1 10 ; Best move: e6h3
The current state of the chess board is: Black rook at a8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at c7, black queen at d7, black pawn at e7, black pawn at f7 and black pawn at h7. Black pawn at b6, black knight at c6, black pawn at d6, black bishop at e6 and black pawn at g6. White pawn at b4, white pawn at d4 and white pawn at f4. White knight at c3, white bishop at e3 and white knight at h3. White pawn at a2, white pawn at c2, white pawn at e2, white pawn at g2 and white pawn at h2. White rook at c1, white queen at d1, white king at e1, white bishop at f1 and white rook at h1. White kingside is the only castle move available. Half move number is 1. Full move number is 10. Black to move.