r1bk1r2/pp2bp1p/6pn/P1ppp1q1/1nP5/N2PQ1P1/1P2PPBP/1R2K1NR w K - 4 16
FEN state: r1bk1r2/pp2bp1p/6pn/P1ppp1q1/1nP5/N2PQ1P1/1P2PPBP/1R2K1NR w K - 4 16 ; Best move: e3g5
The current state of the chess board is: Black rook at a8, black bishop at c8, black king at d8 and black rook at f8. Black pawn at a7, black pawn at b7, black bishop at e7, black pawn at f7 and black pawn at h7. Black pawn at g6 and black knight at h6. White pawn at a5, black pawn at c5, black pawn at d5, black pawn at e5 and black queen at g5. Black knight at b4 and white pawn at c4. White knight at a3, white pawn at d3, white queen at e3 and white pawn at g3. White pawn at b2, white pawn at e2, white pawn at f2, white bishop at g2 and white pawn at h2. White rook at b1, white king at e1, white knight at g1 and white rook at h1. White kingside is the only castle move available. Half move number is 4. Full move number is 16. White to move.