r1bq4/pppkp1b1/5p1n/P1np1Pp1/6Pp/1PPP1Q2/RB3P1P/1N2KB1R w K - 1 15
FEN state: r1bq4/pppkp1b1/5p1n/P1np1Pp1/6Pp/1PPP1Q2/RB3P1P/1N2KB1R w K - 1 15 ; Best move: b2a3
The current state of the chess board is: Black rook at a8, black bishop at c8 and black queen at d8. Black pawn at a7, black pawn at b7, black pawn at c7, black king at d7, black pawn at e7 and black bishop at g7. Black pawn at f6 and black knight at h6. White pawn at a5, black knight at c5, black pawn at d5, white pawn at f5 and black pawn at g5. White pawn at g4 and black pawn at h4. White pawn at b3, white pawn at c3, white pawn at d3 and white queen at f3. White rook at a2, white bishop at b2, white pawn at f2 and white pawn at h2. White knight at b1, white king at e1, white bishop at f1 and white rook at h1. White kingside is the only castle move available. Half move number is 1. Full move number is 15. White to move.