rn3bnr/2k1p1pp/p1N3p1/8/P1qp3P/RQ6/1P2PP1P/2B1KB1R w K - 0 15
FEN state: rn3bnr/2k1p1pp/p1N3p1/8/P1qp3P/RQ6/1P2PP1P/2B1KB1R w K - 0 15 ; Best move: b3c4
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at f8, black knight at g8 and black rook at h8. Black king at c7, black pawn at e7, black pawn at g7 and black pawn at h7. Black pawn at a6, white knight at c6 and black pawn at g6. White pawn at a4, black queen at c4, black pawn at d4 and white pawn at h4. White rook at a3 and white queen at b3. White pawn at b2, white pawn at e2, white pawn at f2 and white pawn at h2. White bishop at c1, 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 0. Full move number is 15. White to move.