rnb1kb1r/1p1ppp1p/7n/p1p3p1/P1Pq1PP1/1Q5P/1P1P4/RNBK1BNR w kq - 1 10
FEN state: rnb1kb1r/1p1ppp1p/7n/p1p3p1/P1Pq1PP1/1Q5P/1P1P4/RNBK1BNR w kq - 1 10 ; Best move: f4g5
The current state of the chess board is: Black rook at a8, black knight at b8, black bishop at c8, black king at e8, black bishop at f8 and black rook at h8. Black pawn at b7, black pawn at d7, black pawn at e7, black pawn at f7 and black pawn at h7. Black knight at h6. Black pawn at a5, black pawn at c5 and black pawn at g5. White pawn at a4, white pawn at c4, black queen at d4, white pawn at f4 and white pawn at g4. White queen at b3 and white pawn at h3. White pawn at b2 and white pawn at d2. White rook at a1, white knight at b1, white bishop at c1, white king at d1, white bishop at f1, white knight at g1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 1. Full move number is 10. White to move.