rnb1k1nr/3p4/pq2p1p1/PBP4p/4P2b/pPB3P1/2PN1P1P/3K2NR w q - 1 18
FEN state: rnb1k1nr/3p4/pq2p1p1/PBP4p/4P2b/pPB3P1/2PN1P1P/3K2NR w q - 1 18 ; Best move: c5b6
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 knight at g8 and black rook at h8. Black pawn at d7. Black pawn at a6, black queen at b6, black pawn at e6 and black pawn at g6. White pawn at a5, white bishop at b5, white pawn at c5 and black pawn at h5. White pawn at e4 and black bishop at h4. Black pawn at a3, white pawn at b3, white bishop at c3 and white pawn at g3. White pawn at c2, white knight at d2, white pawn at f2 and white pawn at h2. White king 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 18. White to move.