rnbqk1r1/p2ppp1p/2B4b/2pnP3/6p1/1P3P1P/P1PP2PR/RNBQ1KN1 w q - 0 13
FEN state: rnbqk1r1/p2ppp1p/2B4b/2pnP3/6p1/1P3P1P/P1PP2PR/RNBQ1KN1 w q - 0 13 ; Best move: c6d5
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 rook at g8. Black pawn at a7, black pawn at d7, black pawn at e7, black pawn at f7 and black pawn at h7. White bishop at c6 and black bishop at h6. Black pawn at c5, black knight at d5 and white pawn at e5. Black pawn at g4. White pawn at b3, white pawn at f3 and white pawn at h3. White pawn at a2, white pawn at c2, white pawn at d2, white pawn at g2 and white rook at h2. White rook at a1, white knight at b1, white bishop at c1, white queen at d1, white king at f1 and white knight at g1. Black queenside is the only castle move available. Half move number is 0. Full move number is 13. White to move.