3rqbn1/1ppnk1pr/2bp3p/3Qp3/2PN4/PP1P1PPP/5PR1/R1B1KB2 w Q - 0 20
FEN state: 3rqbn1/1ppnk1pr/2bp3p/3Qp3/2PN4/PP1P1PPP/5PR1/R1B1KB2 w Q - 0 20 ; Best move: d5e6
The current state of the chess board is: Black rook at d8, black queen at e8, black bishop at f8 and black knight at g8. Black pawn at b7, black pawn at c7, black knight at d7, black king at e7, black pawn at g7 and black rook at h7. Black bishop at c6, black pawn at d6 and black pawn at h6. White queen at d5 and black pawn at e5. White pawn at c4 and white knight at d4. White pawn at a3, white pawn at b3, white pawn at d3, white pawn at f3, white pawn at g3 and white pawn at h3. White pawn at f2 and white rook at g2. White rook at a1, white bishop at c1, white king at e1 and white bishop at f1. White queenside is the only castle move available. Half move number is 0. Full move number is 20. White to move.