1rb1k1nr/p1pp3p/n3pppb/5q2/P2Q4/4PPP1/1PPPB2P/R1BK2NR b k - 4 15
FEN state: 1rb1k1nr/p1pp3p/n3pppb/5q2/P2Q4/4PPP1/1PPPB2P/R1BK2NR b k - 4 15 ; Best move: c7c5
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at e8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at c7, black pawn at d7 and black pawn at h7. Black knight at a6, black pawn at e6, black pawn at f6, black pawn at g6 and black bishop at h6. Black queen at f5. White pawn at a4 and white queen at d4. White pawn at e3, white pawn at f3 and white pawn at g3. White pawn at b2, white pawn at c2, white pawn at d2, white bishop at e2 and white pawn at h2. White rook at a1, white bishop at c1, white king at d1, white knight at g1 and white rook at h1. Black kingside is the only castle move available. Half move number is 4. Full move number is 15. Black to move.