1rbq1b1r/p1p2p2/3kp1pn/1p5p/n2P3P/P3PP1R/1P4P1/RNB1KBN1 w Q - 2 15
FEN state: 1rbq1b1r/p1p2p2/3kp1pn/1p5p/n2P3P/P3PP1R/1P4P1/RNB1KBN1 w Q - 2 15 ; Best move: e3e4
The current state of the chess board is: Black rook at b8, black bishop at c8, black queen at d8, black bishop at f8 and black rook at h8. Black pawn at a7, black pawn at c7 and black pawn at f7. Black king at d6, black pawn at e6, black pawn at g6 and black knight at h6. Black pawn at b5 and black pawn at h5. Black knight at a4, white pawn at d4 and white pawn at h4. White pawn at a3, white pawn at e3, white pawn at f3 and white rook at h3. White pawn at b2 and white pawn at g2. White rook at a1, white knight at b1, white bishop at c1, white king at e1, white bishop at f1 and white knight at g1. White queenside is the only castle move available. Half move number is 2. Full move number is 15. White to move.