r2n1rk1/p2b3p/1p5n/3p1pp1/1bP5/P2P2q1/1P1NPPPP/RQ2KBNR b K - 8 17
FEN state: r2n1rk1/p2b3p/1p5n/3p1pp1/1bP5/P2P2q1/1P1NPPPP/RQ2KBNR b K - 8 17 ; Best move: b4d2
The current state of the chess board is: Black rook at a8, black knight at d8, black rook at f8 and black king at g8. Black pawn at a7, black bishop at d7 and black pawn at h7. Black pawn at b6 and black knight at h6. Black pawn at d5, black pawn at f5 and black pawn at g5. Black bishop at b4 and white pawn at c4. White pawn at a3, white pawn at d3 and black queen at g3. White pawn at b2, white knight at d2, white pawn at e2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white queen at b1, white king at e1, white bishop at f1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 8. Full move number is 17. Black to move.