1rb1kbnr/pp2pppp/2np4/8/1P1pP1qP/1RN5/P1PP1PP1/2BQKBR1 w k - 3 10
FEN state: 1rb1kbnr/pp2pppp/2np4/8/1P1pP1qP/1RN5/P1PP1PP1/2BQKBR1 w k - 3 10 ; Best move: f1e2
The current state of the chess board is: Black rook at b8, black bishop at c8, black king at e8, black bishop at f8, black knight at g8 and black rook at h8. Black pawn at a7, black pawn at b7, black pawn at e7, black pawn at f7, black pawn at g7 and black pawn at h7. Black knight at c6 and black pawn at d6. White pawn at b4, black pawn at d4, white pawn at e4, black queen at g4 and white pawn at h4. White rook at b3 and white knight at c3. White pawn at a2, white pawn at c2, white pawn at d2, white pawn at f2 and white pawn at g2. White bishop at c1, white queen at d1, white king at e1, white bishop at f1 and white rook at g1. Black kingside is the only castle move available. Half move number is 3. Full move number is 10. White to move.