rn2k1nr/1qp1ppbp/p2pb3/1p3QN1/2P2PP1/6K1/PP1PP2P/RNB2B1R w kq - 0 10
FEN state: rn2k1nr/1qp1ppbp/p2pb3/1p3QN1/2P2PP1/6K1/PP1PP2P/RNB2B1R w kq - 0 10 ; Best move: g5e6
The current state of the chess board is: Black rook at a8, black knight at b8, black king at e8, black knight at g8 and black rook at h8. Black queen at b7, black pawn at c7, black pawn at e7, black pawn at f7, black bishop at g7 and black pawn at h7. Black pawn at a6, black pawn at d6 and black bishop at e6. Black pawn at b5, white queen at f5 and white knight at g5. White pawn at c4, white pawn at f4 and white pawn at g4. White king at g3. White pawn at a2, white pawn at b2, white pawn at d2, white pawn at e2 and white pawn at h2. White rook at a1, white knight at b1, white bishop at c1, white bishop at f1 and white rook at h1. Black kingside and black queenside castles are available. Half move number is 0. Full move number is 10. White to move.