r1bqk2r/pppp1p2/n5p1/PBb1p2p/4P1nP/2N3P1/1PPP1P1R/R1BQK1N1 b q - 8 10
FEN state: r1bqk2r/pppp1p2/n5p1/PBb1p2p/4P1nP/2N3P1/1PPP1P1R/R1BQK1N1 b q - 8 10 ; Best move: g4h2
The current state of the chess board is: Black rook at a8, black bishop at c8, black queen at d8, black king at e8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at c7, black pawn at d7 and black pawn at f7. Black knight at a6 and black pawn at g6. White pawn at a5, white bishop at b5, black bishop at c5, black pawn at e5 and black pawn at h5. White pawn at e4, black knight at g4 and white pawn at h4. White knight at c3 and white pawn at g3. White pawn at b2, white pawn at c2, white pawn at d2, white pawn at f2 and white rook at h2. White rook at a1, white bishop at c1, white queen at d1, white king at e1 and white knight at g1. Black queenside is the only castle move available. Half move number is 8. Full move number is 10. Black to move.