rnb1kbnr/3ppp2/pp2qB1p/8/1P1p4/4N1P1/P1PKPP1P/R2Q2NR b q - 1 13
FEN state: rnb1kbnr/3ppp2/pp2qB1p/8/1P1p4/4N1P1/P1PKPP1P/R2Q2NR b q - 1 13 ; Best move: d4e3
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at d7, black pawn at e7 and black pawn at f7. Black pawn at a6, black pawn at b6, black queen at e6, white bishop at f6 and black pawn at h6. White pawn at b4 and black pawn at d4. White knight at e3 and white pawn at g3. White pawn at a2, white pawn at c2, white king at d2, white pawn at e2, white pawn at f2 and white pawn at h2. White rook at a1, white queen at d1, white knight at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 1. Full move number is 13. Black to move.