1rb1kbnr/pppq1p1p/4p3/NP4p1/1n1p2P1/B2P4/P1PKPP1P/R2Q1BNR b k - 3 16
FEN state: 1rb1kbnr/pppq1p1p/4p3/NP4p1/1n1p2P1/B2P4/P1PKPP1P/R2Q1BNR b k - 3 16 ; Best move: d7b5
The current state of the chess board is: Black rook 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 a7, black pawn at b7, black pawn at c7, black queen at d7, black pawn at f7 and black pawn at h7. Black pawn at e6. White knight at a5, white pawn at b5 and black pawn at g5. Black knight at b4, black pawn at d4 and white pawn at g4. White bishop at a3 and white pawn at d3. 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 bishop at f1, 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 16. Black to move.