rnb1k1n1/1p1p1p2/p2b3r/2p1p1NP/1Nq4P/3P2R1/RPPBPP2/1Q1K1B2 b q - 8 21
FEN state: rnb1k1n1/1p1p1p2/p2b3r/2p1p1NP/1Nq4P/3P2R1/RPPBPP2/1Q1K1B2 b q - 8 21 ; Best move: c4h4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8 and black knight at g8. Black pawn at b7, black pawn at d7 and black pawn at f7. Black pawn at a6, black bishop at d6 and black rook at h6. Black pawn at c5, black pawn at e5, white knight at g5 and white pawn at h5. White knight at b4, black queen at c4 and white pawn at h4. White pawn at d3 and white rook at g3. White rook at a2, white pawn at b2, white pawn at c2, white bishop at d2, white pawn at e2 and white pawn at f2. White queen at b1, white king at d1 and white bishop at f1. Black queenside is the only castle move available. Half move number is 8. Full move number is 21. Black to move.