rnb1k1nr/1q2bp1p/3p4/pp5Q/1P1PpP1P/2P2Np1/R3P1P1/1N2KBBR w q - 4 25
FEN state: rnb1k1nr/1q2bp1p/3p4/pp5Q/1P1PpP1P/2P2Np1/R3P1P1/1N2KBBR w q - 4 25 ; Best move: e2e3
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 knight at g8 and black rook at h8. Black queen at b7, black bishop at e7, black pawn at f7 and black pawn at h7. Black pawn at d6. Black pawn at a5, black pawn at b5 and white queen at h5. White pawn at b4, white pawn at d4, black pawn at e4, white pawn at f4 and white pawn at h4. White pawn at c3, white knight at f3 and black pawn at g3. White rook at a2, white pawn at e2 and white pawn at g2. White knight at b1, white king at e1, white bishop at f1, white bishop at g1 and white rook at h1. Black queenside is the only castle move available. Half move number is 4. Full move number is 25. White to move.