rn1q1br1/pb1p2kp/5p2/1pp1p1p1/4PBn1/3P2PN/PPP1BP1P/1R1NK2R w K - 0 17
FEN state: rn1q1br1/pb1p2kp/5p2/1pp1p1p1/4PBn1/3P2PN/PPP1BP1P/1R1NK2R w K - 0 17 ; Best move: e2g4
The current state of the chess board is: Black rook at a8, black knight at b8, black queen at d8, black bishop at f8 and black rook at g8. Black pawn at a7, black bishop at b7, black pawn at d7, black king at g7 and black pawn at h7. Black pawn at f6. Black pawn at b5, black pawn at c5, black pawn at e5 and black pawn at g5. White pawn at e4, white bishop at f4 and black knight at g4. White pawn at d3, white pawn at g3 and white knight at h3. White pawn at a2, white pawn at b2, white pawn at c2, white bishop at e2, white pawn at f2 and white pawn at h2. White rook at b1, white knight at d1, white king at e1 and white rook at h1. White kingside is the only castle move available. Half move number is 0. Full move number is 17. White to move.