rnb2b1r/pp1ppk1p/7n/2p1qpp1/PP6/4PN2/1BPPBPPP/RN1QKR2 b Q - 0 10
FEN state: rnb2b1r/pp1ppk1p/7n/2p1qpp1/PP6/4PN2/1BPPBPPP/RN1QKR2 b Q - 0 10 ; Best move: e5b2
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at d7, black pawn at e7, black king at f7 and black pawn at h7. Black knight at h6. Black pawn at c5, black queen at e5, black pawn at f5 and black pawn at g5. White pawn at a4 and white pawn at b4. White pawn at e3 and white knight at f3. White bishop at b2, white pawn at c2, white pawn at d2, white bishop at e2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white knight at b1, white queen at d1, white king at e1 and white rook at f1. White queenside is the only castle move available. Half move number is 0. Full move number is 10. Black to move.