r3kr2/p1pp2p1/b2B3p/1p2pp2/1P5n/P1Nq1PP1/2P1PK2/R2Q1BNR b q - 3 18
FEN state: r3kr2/p1pp2p1/b2B3p/1p2pp2/1P5n/P1Nq1PP1/2P1PK2/R2Q1BNR b q - 3 18 ; Best move: d3d6
The current state of the chess board is: Black rook at a8, black king at e8 and black rook at f8. Black pawn at a7, black pawn at c7, black pawn at d7 and black pawn at g7. Black bishop at a6, white bishop at d6 and black pawn at h6. Black pawn at b5, black pawn at e5 and black pawn at f5. White pawn at b4 and black knight at h4. White pawn at a3, white knight at c3, black queen at d3, white pawn at f3 and white pawn at g3. White pawn at c2, white pawn at e2 and white king at f2. White rook at a1, 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 3. Full move number is 18. Black to move.