rnbqkb2/p1pp1ppr/5n1p/4p3/1pPP2P1/N4P2/PP2PK1P/R1BQ1BNR b q - 0 7
FEN state: rnbqkb2/p1pp1ppr/5n1p/4p3/1pPP2P1/N4P2/PP2PK1P/R1BQ1BNR b q - 0 7 ; Best move: b4a3
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black queen at d8, black king at e8 and black bishop at f8. Black pawn at a7, black pawn at c7, black pawn at d7, black pawn at f7, black pawn at g7 and black rook at h7. Black knight at f6 and black pawn at h6. Black pawn at e5. Black pawn at b4, white pawn at c4, white pawn at d4 and white pawn at g4. White knight at a3 and white pawn at f3. White pawn at a2, white pawn at b2, white pawn at e2, white king at f2 and white pawn at h2. White rook at a1, white bishop at c1, white queen at d1, white bishop at f1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 0. Full move number is 7. Black to move.