1nbqkb2/1ppn2pr/3pp3/p4pNp/4Q3/P1NBP3/1PPP1PPP/R1B1K2R w KQ - 4 10
FEN state: 1nbqkb2/1ppn2pr/3pp3/p4pNp/4Q3/P1NBP3/1PPP1PPP/R1B1K2R w KQ - 4 10 ; Best move: e4e6
The current state of the chess board is: Black knight at b8, black bishop at c8, black queen at d8, black king at e8 and black bishop at f8. Black pawn at b7, black pawn at c7, black knight at d7, black pawn at g7 and black rook at h7. Black pawn at d6 and black pawn at e6. Black pawn at a5, black pawn at f5, white knight at g5 and black pawn at h5. White queen at e4. White pawn at a3, white knight at c3, white bishop at d3 and white pawn at e3. White pawn at b2, white pawn at c2, white pawn at d2, white pawn at f2, white pawn at g2 and white pawn at h2. White rook at a1, white bishop at c1, white king at e1 and white rook at h1. White kingside and white queenside castles are available. Half move number is 4. Full move number is 10. White to move.