2r1kbnr/p2np3/2pp1p1p/1p3bp1/3P3P/NPB2Q2/PP1K1PB1/R5NR b k - 3 15
FEN state: 2r1kbnr/p2np3/2pp1p1p/1p3bp1/3P3P/NPB2Q2/PP1K1PB1/R5NR b k - 3 15 ; Best move: f5g6
The current state of the chess board is: Black rook at c8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black knight at d7 and black pawn at e7. Black pawn at c6, black pawn at d6, black pawn at f6 and black pawn at h6. Black pawn at b5, black bishop at f5 and black pawn at g5. White pawn at d4 and white pawn at h4. White knight at a3, white pawn at b3, white bishop at c3 and white queen at f3. White pawn at a2, white pawn at b2, white king at d2, white pawn at f2 and white bishop at g2. White rook at a1, white knight at g1 and white rook at h1. Black kingside is the only castle move available. Half move number is 3. Full move number is 15. Black to move.